#  @teded TED-Ed TED-Ed posts on YouTube about education, animation, history, science the most. They currently have [----------] followers and [----] posts still getting attention that total [-------] engagements in the last [--] hours. ### Engagements: [-------] [#](/creator/youtube::UCsooa4yRKGN_zEE8iknghZA/interactions)  - [--] Week [---------] +4% - [--] Month [----------] +15% - [--] Months [-----------] +28% - [--] Year [-----------] +87% ### Mentions: [---] [#](/creator/youtube::UCsooa4yRKGN_zEE8iknghZA/posts_active)  - [--] Week [-----] +6.90% - [--] Month [-----] +5.20% - [--] Months [-----] +10% - [--] Year [-----] +74% ### Followers: [----------] [#](/creator/youtube::UCsooa4yRKGN_zEE8iknghZA/followers)  - [--] Week [----------] no change - [--] Month [----------] +0.45% - [--] Months [----------] +2.80% - [--] Year [----------] +6.20% ### CreatorRank: [-------] [#](/creator/youtube::UCsooa4yRKGN_zEE8iknghZA/influencer_rank)  ### Social Influence **Social category influence** [countries](/list/countries) 16.16% [travel destinations](/list/travel-destinations) 7.34% [finance](/list/finance) 5.44% [technology brands](/list/technology-brands) 1.9% [social networks](/list/social-networks) 1.15% [celebrities](/list/celebrities) 0.99% [stocks](/list/stocks) 0.99% [automotive brands](/list/automotive-brands) 0.82% [musicians](/list/musicians) 0.58% [exchanges](/list/exchanges) #4736 **Social topic influence** [education](/topic/education) #818, [animation](/topic/animation) #1607, [history](/topic/history) #3282, [science](/topic/science) #1946, [health](/topic/health) #2932, [how to](/topic/how-to) 8.57%, [the world](/topic/the-world) #4639, [can you](/topic/can-you) #1549, [solve](/topic/solve) #513, [check](/topic/check) 5.11% **Top accounts mentioned or mentioned by** [@vibeattractor](/creator/undefined) [@breland](/creator/undefined) [@gracebowers](/creator/undefined) [@voguesfashionvault](/creator/undefined) [@info](/creator/undefined) [@tonysuccar](/creator/undefined) [@godmoneycode](/creator/undefined) [@thehiddenpast987](/creator/undefined) [@davidarchie](/creator/undefined) [@immerseeducation](/creator/undefined) [@ucuvfxz23tf6dadwjyrduw](/creator/undefined) [@bonniemckeeofficial](/creator/undefined) [@taylaparx](/creator/undefined) [@oceanx](/creator/undefined) [@nunesbobby](/creator/undefined) [@astrowala](/creator/undefined) [@mathsphysicslovers](/creator/undefined) [@learningjunction](/creator/undefined) [@ilknuuuracar](/creator/undefined) [@educationfusion](/creator/undefined) ### Top Social Posts Top posts by engagements in the last [--] hours "The dark history of the overthrow of Hawaii - Sydney Iaukea Get to know the story of Queen Liliuokalani the last queen of Hawaii and how she fought the US annexation of the islands. -- On January 16th [----] two men arrived at Liliuokalanis door arrested her and imprisoned her. The Missionary Party had recently seized power and now confiscated her diaries ransacked her house and claimed her lands. Liliuokalani was Hawaiis queen and she ruled through one of the most turbulent periods of its history. Sydney Iaukea shares how the ruler fought the annexation of Hawaii. Lesson by Sydney Iaukea" [YouTube Link](https://youtube.com/watch?v=C2bjjwv4134) 2022-02-17T16:01Z 22.4M followers, 1.3M engagements "The surprising origins of the word lesbian - Diane J. Rayor Discover the works of poet and songwriter Sappho and find out why only fragments of her poetry still survive. -- Over [----] years ago one of ancient Greeces most celebrated popstars and erotic poets enraptured listeners. The singer-songwriter offered a uniquely intimate perspective on love passion and longing and was the first on record to combine the words bitter and sweet to describe the ups and downs of romance. So who was this revered figure Diane J. Rayor uncovers the writings of Sappho. Lesson by Diane J. Rayor directed by Amir" [YouTube Link](https://youtube.com/watch?v=EFcftfqpxK4) 2021-09-30T15:00Z 22.4M followers, 841.9K engagements "Why bats don't get sick - Arinjay Banerjee Explore the relationship between viruses and their hosts and find out how the evolutionary adaptations of bats keep them safe from viruses. -- Consider a bat that is infected with several deadly viruses including ones that cause rabies SARS and Ebola. While this diagnosis would be lethal for other mammals the winged wonder is totally unfazed and may even spend the next [--] years living as if this were totally normal because for bats it is. So whats protecting bats from these dangerous infections Arinjay Banerjee investigates. Lesson by Arinjay" [YouTube Link](https://youtube.com/watch?v=XiBXhCr_Jpw) 2021-01-26T16:01Z 22.4M followers, 1.5M engagements "Can loud music damage your hearing - Heather Malyuk Dig into the properties of sound to find out just how bad loud music is for your hearing. -- After a concert you find it difficult to hear your friend rave about the show. It sounds like they're speaking from across the room and its tough to make out their voice over the ringing in your ears. But by the next morning the effect has mostly worn off. So what caused these symptoms And can you go to concerts without damaging your ears Heather Malyuk explores the properties of sound. Lesson by Heather Malyuk directed by Anne Beal. Support Our" [YouTube Link](https://youtube.com/watch?v=-R307w05iJc) 2021-03-02T16:00Z 22.4M followers, 768.1K engagements "The genes you don't get from your parents (but can't live without) - Devin Shuman Dig into the essential role that mitochondrial DNA played in the evolution of living things on Earth and find out why its still evolving. -- Inside our cells each of us has a second set of genes completely separate from our [--] pairs of chromosomes. And this isnt just true for humans its true of every animal plant and fungus on Earth. This second genome belongs to our mitochondria an organelle inside our cells. So why are they so different from anything else in our bodies Devin Shuman explores the purpose of" [YouTube Link](https://youtube.com/watch?v=0obYR-nf45I) 2021-10-05T15:00Z 22.4M followers, 2.3M engagements "The real story behind Archimedes Eureka - Armand D'Angour View full lesson: http://ed.ted.com/lessons/the-real-story-behind-archimedes-eureka-armand-d-angour When you think of Archimedes Eureka moment you probably imagine a man in a bathtub right As it turns out there's much more to the story. Armand D'Angour tells the story of Archimedes' biggest assignment -- an enormous floating palace commissioned by a king -- that helped him find Eureka. Lesson by Armand D'Angour animation by Zedem Media. TED TED-Ed TED Ed TEDEducation Armand D'Angour Zedem Media animation educational animation Eureka" [YouTube Link](https://youtube.com/watch?v=0v86Yk14rf8) 2015-03-13T16:28Z 22.4M followers, 4.4M engagements "Platos Allegory of the Cave - Alex Gendler View full lesson: http://ed.ted.com/lessons/plato-s-allegory-of-the-cave-alex-gendler Twenty four hundred years ago Plato one of historys most famous thinkers said life is like being chained up in a cave forced to watch shadows flitting across a stone wall. Beyond sounding quite morbid what exactly did he mean Alex Gendler unravels Plato's Allegory of the Cave found in Book VII of "The Republic." Lesson by Alex Gendler animation by Stretch Films Inc. TED TED-Ed TED Ed TEDEducation Alex Gendler Stretch Films Plato Philosophy Allegory of the Cave" [YouTube Link](https://youtube.com/watch?v=1RWOpQXTltA) 2015-03-17T15:06Z 22.4M followers, 8M engagements "Can you solve "Einsteins Riddle" - Dan Van der Vieren View full lesson: http://ed.ted.com/lessons/can-you-solve-einstein-s-riddle-dan-van-der-vieren View all the clues here: http://ed.ted.com/lessons/can-you-solve-einstein-s-riddle-dan-van-der-vieren#digdeeper Before he turned physics upside down a young Albert Einstein supposedly showed off his genius by devising a complex riddle involving a stolen exotic fish and a long list of suspects. Can you resist tackling a brain teaser written by one of the smartest people in history Dan Van der Vieren shows how. Lesson by Dan Van der Vieren" [YouTube Link](https://youtube.com/watch?v=1rDVz_Fb6HQ) 2015-11-30T16:03Z 22.4M followers, 13.4M engagements "The dark history of the Chinese Exclusion Act - Robert Chang Dig into the Chinese Exclusion Act of [----] which suspended Chinese immigration to the U.S. and blocked Chinese immigrants from citizenship. -- In [----] the United States Congress passed the Chinese Exclusion Act the first federal law that restricted immigration based explicitly on nationality. In practice the Act banned entry to all ethnically Chinese immigrants besides diplomats and prohibited existing immigrants from obtaining citizenship. Robert Chang details the lasting impact the Act had on immigrant rights and freedoms. Lesson" [YouTube Link](https://youtube.com/watch?v=2K88pWCimZg) 2021-07-01T15:01Z 22.4M followers, 1.3M engagements "The sharks that hunt in forests - Luka Seamus Wright Discover the unique adaptations of marine forests the ecosystems that provide food and shelter for sharks and diverse coastal species. -- Forests dont usually come to mind as a habitat for sharks. But marine forests provide a home for 35% of the worlds sharks. Mangrove forests in particular function as an essential bridge between land and sea and have evolved various adaptations that protect them and their resident sharks. Luka Seamus Wright explores these unique and vital ecosystems. Lesson by Luka Seamus Wright directed by William" [YouTube Link](https://youtube.com/watch?v=2YuFNymq_M0) 2021-06-14T15:00Z 22.4M followers, 863.1K engagements "How do animals experience pain - Robyn J. Crook View full lesson: http://ed.ted.com/lessons/how-do-animals-experience-pain-robyn-j-crook Humans know the surprising prick of a needle the searing pain of a stubbed toe and the throbbing of a toothache. We can identify many types of pain and have multiple ways of treating it but what about other species How do the animals all around us experience pain Robyn J. Crook examines pain in both vertebrate and invertebrate animals. Lesson by Robyn J. Crook animation by Anton Bogaty. TED TED Education TED-Ed TED Ed Robyn J. Crook Anton Bogaty pain animals" [YouTube Link](https://youtube.com/watch?v=5j9Syov0AAw) 2017-01-17T16:01Z 22.4M followers, 3.9M engagements "The mysterious workings of the adolescent brain - Sarah-Jayne Blakemore View full lesson: http://ed.ted.com/lessons/the-mysterious-workings-of-the-adolescent-brain-sarah-jayne-blakemore Why do teenagers seem so much more impulsive so much less self-aware than grown-ups Cognitive neuroscientist Sarah-Jayne Blakemore compares the prefrontal cortex in adolescents to that of adults to show us how typically "teenage" behavior is caused by the growing and developing brain. Talk by Sarah-Jayne Blakemore. Sarah-Jayne Blakemore cognition neuroscience prefrontal cortex adolescent brain adult teenage" [YouTube Link](https://youtube.com/watch?v=6oKsikHollM) 2013-06-01T14:50Z 22.4M followers, 273.8K engagements "Questions No One Knows the Answers to (Full Version) Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter In the first of a new TED-Ed series designed to catalyze curiosity TED Curator Chris Anderson shares his boyhood obsession with quirky questions that seem to have no answers. (Introducing the series "Questions no one knows the answers to") "Questions No One Knows the Answers to" was animated by Andrew Park (http://www.cognitivemedia.co.uk) Philosophy and Religion Questions Answers Chris Anderson Curiosity Philosophy Religion TED TED-Ed TED Education Andrew" [YouTube Link](https://youtube.com/watch?v=7SWvDHvWXok) 2012-03-17T16:01Z 22.4M followers, 30.3M engagements "The Artists Think Like A Coder Ep [--] The adventure continues Episode 5: Ethic and Hedge arrive in the 198forest in search of the second artifact. Can they sneak past the guards to get to the tower -- This is episode [--] of our animated series Think Like A Coder. This 10-episode narrative follows a girl Ethic and her robot companion Hedge as they attempt to save the world. The two embark on a quest to collect three artifacts and must solve their way through a series of programming puzzles. Lesson by Alex Rosenthal directed by Kozmonot Animation Studio. Supported by Endless:" [YouTube Link](https://youtube.com/watch?v=7mOev8v3D1U) 2020-01-13T16:00Z 22.4M followers, 470.2K engagements "From enslavement to rebel gladiator: The life of Spartacus - Fiona Radford Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter View full lesson: https://ed.ted.com/lessons/from-slave-to-rebel-gladiator-the-life-of-spartacus-fiona-radford Spartacus was enslaved one of millions taken from territories conquered by Rome to work the mines till the fields or fight for a crowds entertainment. Imprisoned for deserting the Roman Army he and other enslaved people fought their way free and started a rebellion. How did an enslaved man become synonymous with freedom and" [YouTube Link](https://youtube.com/watch?v=8l1NyR6UvxU) 2018-12-17T16:01Z 22.4M followers, 6.5M engagements "Why should you read Edgar Allan Poe - Scott Peeples Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-should-you-read-edgar-allan-poe-scott-peeples The prisoner strapped under a descending pendulum blade. A raven who refuses to leave the narrators chamber. A beating heart buried under the floorboards. Poes macabre and innovative stories of gothic horror have left a timeless mark on literature. But just what is it that makes Edgar Allan Poe one of the greatest American authors Scott Peeples investigates. Lesson by Scott Peeples directed" [YouTube Link](https://youtube.com/watch?v=8lgg-pVjOok) 2018-09-18T15:00Z 22.4M followers, 2.6M engagements "Zen kans: Unsolvable enigmas designed to break your brain - Puqun Li Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/zen-koans-unsolvable-enigmas-designed-to-break-your-brain-puqun-li How do we explain the unexplainable This question has inspired numerous myths religious practices and scientific inquiries. But Zen Buddhists practicing throughout China from the 9th to 13th century asked a different question why do we need an explanation Puqun Li details the bewildering and ambiguous philosophical thought experiments these Buddhists called" [YouTube Link](https://youtube.com/watch?v=9p5Oi4wPVVo) 2018-08-16T14:59Z 22.4M followers, 3.2M engagements "Can you solve the Mondrian squares riddle - Gordon Hamilton Practice more problem-solving at https://brilliant.org/TedEd/ Dutch artist Piet Mondrians abstract rectangular paintings inspired mathematicians to create a two-fold challenge. Can you solve the puzzle and get to the lowest score possible Gordon Hamilton shows how. Lesson by Gordon Hamilton directed by Anton Trofimov. Thank you so much to our patrons for supporting us on Patreon Without you this video would not be possible Bozhidar Karaargirov maxi kobi einy Misaki Sato Craig Sheldon Andrew Bosco Catherine Sverko Nik Maier Mark" [YouTube Link](https://youtube.com/watch?v=AWcY2-FBa9k) 2018-06-28T15:00Z 22.4M followers, 1.2M engagements "How long should your naps be - Sara C. Mednick Download a free audiobookversionof "Take a Nap: Change Your Life" by Sara Mednick or Matthew Walker's "Why We Sleep" and support TED-Ed's nonprofit mission:https://www.audible.com/ted-ed -- Your eyes get heavy and gradually close But wait Its only lunch time and you still have so much to do. Would taking a nap help Or would it derail your day Well that depends on a few things especially what stages of sleep the nap includes. Sara C. Mednick details the cognitive benefits of napping and explores the optimal length and time of day for a quick" [YouTube Link](https://youtube.com/watch?v=BN9yqF6Um98) 2021-04-29T15:01Z 22.4M followers, 5.9M engagements "The science behind the myth: Homer's "Odyssey" - Matt Kaplan View full lesson: http://ed.ted.com/lessons/the-science-behind-the-myth-homer-s-odyssey-matt-kaplan Homer's "Odyssey" recounts the adventures of the Greek hero Odysseus during his journey home from the Trojan War. Though some parts may be based on real events the encounters with monsters giants and magicians are considered to be complete fiction. But might there be more to these myths than meets the eye Matt Kaplan explains why there might be more reality behind the "Odyssey" than many realize. Lesson by Matt Kaplan animation by" [YouTube Link](https://youtube.com/watch?v=CVo225pUaSA) 2015-11-10T16:00Z 22.4M followers, 3M engagements "The mystery of chronic pain - Elliot Krane View full lesson: http://ed.ted.com/lessons/the-mystery-of-chronic-pain-elliot-krane We think of pain as a symptom but there are cases where the nervous system develops feedback loops and pain becomes a terrifying disease in itself. Starting with the story of a girl whose sprained wrist turned into a nightmare Elliot Krane talks about the complex mystery of chronic pain and reviews the facts we're just learning about how it works and how to treat it. Talk by Elliot Krane. Elliot Krane pain chronic pain how works migraine nervous system nerves TED TED" [YouTube Link](https://youtube.com/watch?v=CZ0gIiwjk_0) 2013-03-31T15:03Z 22.4M followers, 256.4K engagements "How do antidepressants work - Neil R. Jeyasingam Dig into the discovery of antidepressant drugs how they work and what we still dont know about depression. -- In the 1950s the discovery of two new drugs sparked what would become a multi-billion dollar market for antidepressants. Neither drug was intended to treat depression at all many doctors and scientists believed psychotherapy was the only approach to treatment. Neil R. Jeyasingam details the decades-long journey that followed and how it revolutionized our understanding of depression. Lesson by Neil R. Jeyasingam directed by Skirmanta" [YouTube Link](https://youtube.com/watch?v=ClPVJ25Ka4k) 2021-03-18T15:01Z 22.4M followers, 4.6M engagements "Building the impossible: Golden Gate Bridge - Alex Gendler Explore the construction of Californias Golden Gate Bridge and dig into the engineering innovations that made the structure possible. -- Stretching [---] meters tall two towers were assembled to support Californias Golden Gate Bridge. They were just one of the challenges facing engineers Charles Ellis and Joseph Strauss. Even before construction began many thought the project impossible: the strait was home to powerful winds constant fog and earthquakes. So how was this iconic bridge created Alex Gendler details the feat. Lesson by Alex" [YouTube Link](https://youtube.com/watch?v=EPd2w5d_qAk) 2022-02-22T16:30Z 22.4M followers, 912K engagements "Who won the space race - Jeff Steers View full lesson: http://ed.ted.com/lessons/what-was-the-point-of-the-space-race-jeff-steers On October [--] [----] the Soviet Union launched the satellite Sputnik and with it an international space race. The United States and the Soviet Union rushed to declare dominance of space for [--] years until the two countries agreed to a more collaborative model. The real winner Science. Jeff Steers describes the history -- and the benefits -- of the space race. Lesson by Jeff Steers animation by The Moving Company Animation Studio. Jeff Steers The Moving Company" [YouTube Link](https://youtube.com/watch?v=FxpC-8f--xo) 2013-08-14T15:22Z 22.4M followers, 1.7M engagements "How to defeat a dragon with math - Garth Sundem View full lesson: http://ed.ted.com/lessons/how-to-defeat-a-dragon-with-math-garth-sundem Having trouble remembering the order of operations Let's raise the stakes a little bit. What if the future of your (theoretical) kingdom depended on it Garth Sundem creates a world in which PEMDAS is the hero but only heroic when in the proper order. Lesson by Garth Sundem animation by Mark Phillips. Garth Sundem PEMDAS order of operations mathematics pi substraction adding multiplication division parantheses exponent math TEDEducation TED-Ed TED Ed Garth" [YouTube Link](https://youtube.com/watch?v=H6syI3xiBBg) 2013-01-15T16:00Z 22.4M followers, 4.9M engagements "Why was bloodletting so popular - Stephanie Honchell Smith Trace the history of bloodletting a medical practice dating back to ancient Greece and its continued use into the 19th century. -- Bloodletting was a pervasive medical practice that dates as far back as ancient Greece and continued well into the 19th century. Physicians like Hippocrates believed bad health could be attributed to a fluid imbalance and recommended bloodletting to help reset the body's balance. So why did bloodletting stick around so long Stephanie Honchell Smith digs into its popularity and shortcomings. Lesson by" [YouTube Link](https://youtube.com/watch?v=I15FmhjEbQ0) 2025-06-17T15:00Z 22.4M followers, 276.7K engagements "How does your brain respond to pain - Karen D. Davis View full lesson: http://ed.ted.com/lessons/how-does-your-brain-respond-to-pain-karen-d-davis Ouch Everyone experiences pain -- but why do some people react to the same painful stimulus in different ways And what exactly is pain anyway Karen D. Davis walks you through your brain on pain illuminating why the "pain experience" differs from person to person. Lesson by Karen D. Davis animation by Brett Underhill. Brett Underhill Karen Davis brain pain body painful brain and pain pain experience why do we feel pain feel pain TED TED-Ed TED Ed" [YouTube Link](https://youtube.com/watch?v=I7wfDenj6CQ) 2014-06-02T15:01Z 22.4M followers, 2.9M engagements "What makes a poem a poem - Melissa Kovacs View full lesson: http://ed.ted.com/lessons/what-makes-a-poem-a-poem-melissa-kovacs What exactly makes a poem a poem Poets themselves have struggled with this question often using metaphors to approximate a definition. Is a poem a little machine A firework An echo A dream Melissa Kovacs shares three recognizable characteristics of most poetry. Lesson by Melissa Kovacs animation by Ace & Son Moving Picture Co. LLC. #poetry TED TED-Ed TED Ed TED Education Ace & Son Moving Picture Co. Melissa Kovacs poetry lyric art song haiku E. E. Cummings Muhammad Ali" [YouTube Link](https://youtube.com/watch?v=JwhouCNq-Fc) 2017-03-20T15:06Z 22.4M followers, 4.4M engagements "The myth of Ireland's most infamous love triangle - Iseult Gillespie Dig into the tragic myth of Tristan and Princess Isolde and how they fall in love despite her being promised to another. -- After witnessing a bird carrying a single golden hair King Mark of Cornwall declared his future bride must have equally radiant locks. The only royal matching this description was Princess Isolde of Ireland. So the king sent Tristan his bravest knight to extend an olive branch to the royal family and deliver his proposal of marriage. Iseult Gillespie shares the tale of Tristan and Isolde. Lesson by" [YouTube Link](https://youtube.com/watch?v=Kgifhh4pQ10) 2025-02-11T16:00Z 22.4M followers, 483.1K engagements "How one person saved over [----] children from the Nazis - Iseult Gillespie Get to know the story of Irena Sendler a social worker who saved over [----] Jewish children from the Warsaw Ghetto during WWII. -- In [----] Irena Sendler and Janina Grabowska froze when they heard Gestapo pounding on the front door. Knowing she was minutes from arrest Irena tossed Janina her most dangerous possession: a glass jar containing the names of over [----] Jewish children shed smuggled to safety from the Warsaw Ghetto. Who was this courageous woman Iseult Gillespie details the life and legacy of Irena Sendler." [YouTube Link](https://youtube.com/watch?v=LxZkdQfgot8) 2021-06-28T15:00Z 22.4M followers, 2.2M engagements "The myth of Jason Medea and the Golden Fleece - Iseult Gillespie Follow Jason as he attempts to steal the Golden Fleece from King Aeetes and enlists the help of the king's daughter Medea. (Part Two of the myth of Jason and the Argonauts) -- In Colchis the hide of a mystical flying ram hangs from the tallest oak guarded by a dragon who never sleeps. The only way Jason can pry it from King Aeetes clutches and win back his promised throne is by facing three perilous tasks without the help of the Argonauts. Unbeknownst to the king his daughter Medea was plotting something. Iseult Gillespie shares" [YouTube Link](https://youtube.com/watch?v=M7cIc7IAN6U) 2020-07-21T14:59Z 22.4M followers, 1.5M engagements "How atoms bond - George Zaidan and Charles Morton View full lesson: http://ed.ted.com/lessons/how-atoms-bond-george-zaidan-and-charles-morton Atoms can (and do) bond constantly; it's how they form molecules. Sometimes in an atomic tug-of-war one atom pulls electrons from another forming an ionic bond. Atoms can also play nicely and share electrons in a covalent bond. From simple oxygen to complex human chromosome [--] George Zaidan and Charles Morton break down the humble chemical bond. Lesson by George Zaidan and Charles Morton animation by Bevan Lynch" [YouTube Link](https://youtube.com/watch?v=NgD9yHSJ29I) 2013-10-15T17:15Z 22.4M followers, 1.4M engagements "Is marijuana bad for your brain - Anees Bahji Explore how marijuanas two main active compounds THC and CBD affect your brain and body and what risk factors to watch out for. -- In [----] marijuana was classified as a schedule [--] drug in the United States: the strictest designation possible meaning it was completely illegal and had no recognized medical uses. Today marijuanas therapeutic benefits are widely acknowledged but a growing recognition for its medical value doesnt answer the question: is recreational marijuana use bad for your brain Anees Bahji investigates. Lesson by Anees Bahji" [YouTube Link](https://youtube.com/watch?v=Nlcr1jd_Tok) 2019-12-02T16:01Z 22.4M followers, 10.7M engagements "The myth of Medusa TED-Ed has launched its first ever physical game: Pandora's Legacy Learn more and get your copy here: https://ed.ted.com/pandora -- Medusa transformed into a monstrous Gorgon by a wrathful Athena sought refuge in a hidden cave. Time after time would-be heroes journeyed to the cave to make their names by murdering Medusa but fell to her gaze every time. Until another young man Perseus began his quest for glory. Laura Aitken-Burt shares the myth of Medusa and her infamous power to petrify. Lesson by Laura Aitken-Burt directed by Yael Reisfeld. Support Our Non-Profit Mission" [YouTube Link](https://youtube.com/watch?v=O18-FA83BaM) 2025-05-01T15:00Z 22.4M followers, 788.6K engagements "How your digestive system works - Emma Bryce Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-your-digestive-system-works-emma-bryce Across the planet humans eat on average between [--] and [---] kilograms of food a day and every last scrap makes its way through the digestive system. Comprised of ten organs covering nine meters this is one of the most complicated systems in the body. Emma Bryce explains how the different parts of the digestive system work to transform your food into the nutrients and energy that keep you alive. Lesson by" [YouTube Link](https://youtube.com/watch?v=Og5xAdC8EUI) 2017-12-14T16:01Z 22.4M followers, 13.3M engagements "The Nazis recruited to win the Cold War - Brian Crim Dig into Operation Paperclip a secret intelligence program which brought scientists from Nazi Germany to the US after WWII. -- In May of [----] the Third Reich was in chaos. Adolf Hitler was dead and German surrender was imminent. But while World War II was almost over a new war was brewing. And the US was eager to recruit the smartest minds in Germany before the Soviets got the chance regardless of their affiliation with the Nazis. This became known as Operation Paperclip. Brian Crim digs into the clandestine campaign. Lesson by Brian Crim" [YouTube Link](https://youtube.com/watch?v=OiKQjezOKXc) 2024-04-16T15:00Z 22.4M followers, 667.1K engagements "Does time exist - Andrew Zimmerman Jones Download a free audiobook version of "A Brief History of Time" and support TED-Ed's nonprofit mission: https://adbl.co/2NWYjAh Check out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/a-brief-history-of-time View full lesson: https://ed.ted.com/lessons/does-time-exist-andrew-zimmerman-jones The earliest time measurements were observations of cycles of the natural world using patterns of changes from day to night and season to season to build calendars. More precise time-keeping eventually came" [YouTube Link](https://youtube.com/watch?v=R3tbVHlsKhs) 2018-10-23T15:00Z 22.4M followers, 7.9M engagements "The philosophy of Stoicism - Massimo Pigliucci View full lesson: http://ed.ted.com/lessons/the-philosophy-of-stoicism-massimo-pigliucci What is the best life we can live How can we cope with whatever the universe throws at us and keep thriving nonetheless The ancient Greco-Roman philosophy of Stoicism explains that while we may not always have control over the events affecting us we can have control over how we approach things. Massimo Pigliucci describes the philosophy of Stoicism. Lesson by Massimo Pigliucci animation by Compote Collective. TED TED-Ed TED Education TED Ed Massimo Pigliucci" [YouTube Link](https://youtube.com/watch?v=R9OCA6UFE-0) 2017-06-19T15:00Z 22.4M followers, 11.5M engagements "In on a secret That's dramatic irony - Christopher Warner View full lesson: http://ed.ted.com/lessons/in-on-a-secret-that-s-dramatic-irony-christopher-warner You're in a movie theater watching the new horror flick. The audience knows something that the main character does not. The audience sees the character's actions are not in his best interest. What's that feeling -- the one that makes you want to shout at the screen Christopher Warner identifies this storytelling device as dramatic irony. Lesson by Christopher Warner animation by Ben Pearce. Christopher Warner irony dramatic irony jaws" [YouTube Link](https://youtube.com/watch?v=RZFYuX84n1U) 2013-01-29T16:01Z 22.4M followers, 1.9M engagements "If you had the chance to be immortal would you take it - Sarah Stroud and Michael Vazquez Explore different philosophers ideas on immortality and dig into their theories about the positives and negatives of eternal life. -- While cleaning out your uncles attic you find a chest with a sparkling potion. The attached tag declares drinking this liquid will make you immortal. Your body will be frozen at its current age and these effects would be final and irreversible. The instructions are clear the only question is do you drink the potion Sarah Stroud and Michael Vazquez explore this" [YouTube Link](https://youtube.com/watch?v=S3jqTWXwzJc) 2025-09-11T15:01Z 22.4M followers, 1.6M engagements "Radioactivity: Expect the unexpected - Steve Weatherall View full lesson: http://ed.ted.com/lessons/radioactivity-expect-the-unexpected-steve-weatherall Neutrons don't change into protons. Except sometimes they do. Radioactivity is the process under which the nucleus can change spontaneously from one element to another. Steve Weatherall suggests that we acknowledge both the usefulness and danger inherent in harvesting radioactivity. Talk by Steve Weatherall animation by Eugene Uymatiao. TEDEducation TED-Ed TED Ed chemistry Eugene Uymatiao radioactive radioactivity atom nucleus proton neutron" [YouTube Link](https://youtube.com/watch?v=TJgc28csgV0) 2012-12-10T16:13Z 22.4M followers, 996.4K engagements "What is color - Colm Kelleher Watch the whole lesson on http://ed.ted.com/lessons/how-do-we-see-color-colm-kelleher Have you ever wondered what color is In this first installment of a series on light Colm Kelleher describes the physics behind colors-- why the colors we see are related to the period of motion and the frequency of waves. Lesson by Colm Kelleher animation by Vitreous. TEDEducation TED Ed TED-Ed Vitreous Colm Kelleher light physics color light and color physics visible spectrum what is TEDEducation TED Ed TED-Ed Vitreous Colm Kelleher light physics color light and color physics" [YouTube Link](https://youtube.com/watch?v=UZ5UGnU7oOI) 2012-12-18T16:50Z 22.4M followers, 1.1M engagements "The Infinite Hotel Paradox - Jeff Dekofsky Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter View full lesson: http://ed.ted.com/lessons/the-infinite-hotel-paradox-jeff-dekofsky Want more Try to solve the buried treasure riddle: https://www.youtube.com/watchv=tCeklW2e6_E The Infinite Hotel a thought experiment created by German mathematician David Hilbert is a hotel with an infinite number of rooms. Easy to comprehend right Wrong. What if it's completely booked but one person wants to check in What about [--] Or an infinitely full bus of people Jeff Dekofsky" [YouTube Link](https://youtube.com/watch?v=Uj3_KqkI9Zo) 2014-01-16T17:26Z 22.4M followers, 25.8M engagements "Meet the bluefin tuna the toughest fish in the sea - Grantly Galland and Raiana McKinney Discover the unique adaptations that make the Atlantic bluefin tuna one of the most dominant predators in the ocean. -- Whats as big as a polar bear swallows its prey whole and swims at forty miles an hour Its not a shark or a killer whale. its the Atlantic bluefin tuna the largest and longest-lived of the [--] tuna species. Its unique set of adaptations make it one of the most dominant predators in the ocean. Grantly Galland and Raiana McKinney detail how these fish go from tiny hatchling to ocean giant." [YouTube Link](https://youtube.com/watch?v=WA_jIj_w12U) 2021-05-03T15:00Z 22.4M followers, 2.3M engagements "Lady Meng Jiang:The legend of the woman who outwitted an evil emperor - Juwen Zhang Dig into the Chinese myth of Lady Meng Jiang and how her grief over the death of her husband brought down the Great Wall. -- Long ago an emperor decided to build a great wall to protect his new empire and ensure his power. He ordered men across China to leave their homes and submit to the grueling labor required for its construction. As years passed and the wall grew few returned home. But one workers death spelled trouble for the wall. Juwen Zhang shares the myth of the heartbroken Lady Meng Jiang and her" [YouTube Link](https://youtube.com/watch?v=Wb0UgdRFj2A) 2024-12-12T16:00Z 22.4M followers, 761.1K engagements "The clever trick used by sports betting apps - Shannon Odell Dig into the strategies employed by sports betting apps to keep you gambling and how these tactics can cause addictive behavior. -- Sports gambling has become more popular than ever. Mobile apps make it easier to place bets anywhere or anytime especially for young people who make up the fastest-growing demographic. And the sports betting apps work just like the games in a casino built to ensure that the house always wins. So what exactly are the tricks these apps use Shannon Odell shares what keeps you playing and paying. Lesson by" [YouTube Link](https://youtube.com/watch?v=YYpy0cM-GSE) 2025-05-13T15:01Z 22.4M followers, 394.1K engagements "How many ways are there to prove the Pythagorean theorem - Betty Fei Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-many-ways-are-there-to-prove-the-pythagorean-theorem-betty-fei What do Euclid 12-year-old Einstein and American President James Garfield have in common They all came up with elegant proofs for the famous Pythagorean theorem one of the most fundamental rules of geometry and the basis for practical applications like constructing stable buildings and triangulating GPS coordinates. Betty Fei details these three famous" [YouTube Link](https://youtube.com/watch?v=YompsDlEdtc) 2017-09-11T15:00Z 22.4M followers, 4M engagements "Why can't you put metal in a microwave - Aaron Slepkov Dig into the science of how microwave ovens use electromagnetic waves to heat your food and what you should avoid cooking in them. -- In [----] engineer Percy Spencer was standing near a RADAR device that produced high-intensity microwaves and noticed that his candy bar had melted. He then exposed popcorn kernels to the magnetron device and sure enough they popped. Soon after the first microwave oven became available using the very same technology. So how does it work Aaron Slepkov explores the science of microwave ovens. Lesson by Aaron" [YouTube Link](https://youtube.com/watch?v=ZExGV6jSuBw) 2024-02-15T16:00Z 22.4M followers, 2M engagements "How to read music - Tim Hansen Like an actor's script a sheet of music instructs a musician on what to play (the pitch) and when to play it (the rhythm). Sheet music may look complicated but once you've gotten the hang of a few simple elements like notes bars and clefs you're ready to rock. Tim Hansen hits the instrumental basics you need to read music. TED TED-Ed TEDEducation Tim Hansen Music Sheet music Composition Beats the clef rhythm pitch TED TED-Ed TEDEducation Tim Hansen Music Sheet music Composition Beats the clef rhythm pitch" [YouTube Link](https://youtube.com/watch?v=ZN41d7Txcq0) 2013-07-18T14:58Z 22.4M followers, 7.7M engagements "How long will human impacts last - David Biello Check out all of TED-Ed's book recommendations: http://ed.ted.com/books Check out David Biello's "The Unnatural World": https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/the-unnatural-world View full lesson: https://ed.ted.com/lessons/how-long-will-human-impacts-last-david-biello Imagine aliens land on Earth a million years from now. What will these curious searchers find of us They will find what geologists scientists and other experts are increasingly calling the Anthropocene or new age of mankind. David Biello explains" [YouTube Link](https://youtube.com/watch?v=Zsc8G0NnMTs) 2017-12-04T16:06Z 22.4M followers, 872.5K engagements "Can you solve the private eye riddle - Henri Picciotto Practice more problem-solving at https://brilliant.org/TedEd -- As Numberlands best detective you thought youd seen it all. But the desiccated corpses of prominent natural numbers have been showing up all over the city. A lockdown is ordered from sundown to sunrise and its still not enough to stop what can only be described as a vampiric feeding frenzy. Can you figure out why the citizens of Numberland are being attacked Henri Picciotto shows how. Lesson by Henri Picciotto directed by Igor Coric Artrake Studio. Support Our Non-Profit" [YouTube Link](https://youtube.com/watch?v=a6pqpINjdRQ) 2022-04-26T15:01Z 22.4M followers, 1.8M engagements "Can stereotypes ever be good - Sheila Marie Orfano and Densho Explore the model minority stereotype and discover how it became a label for Asian Americans and is used to enforce racial hierarchies. -- In [----] researchers surveyed [---] teachers to understand if they held stereotypes about their students. The most commonly held opinion was that Asian students were significantly more industrious intelligent and gentle. This might seem like a good thing but treating this stereotype as reality can cause a surprising amount of harm. Sheila Marie Orfano and Densho dig into the model minority myth." [YouTube Link](https://youtube.com/watch?v=aFXmyNUaXFo) 2021-12-02T16:01Z 22.4M followers, 713.2K engagements "The psychology of narcissism - W. Keith Campbell View full lesson: http://ed.ted.com/lessons/the-psychology-of-narcissism-w-keith-campbell Narcissism isnt just a personality type that shows up in advice columns; its actually a set of traits classified and studied by psychologists. But what causes it And can narcissists improve on their negative traits W. Keith Campbell describes the psychology behind the elevated and sometimes detrimental self-involvement of narcissists. Lesson by W. Keith Campbell animation by TOGETHER. W. Keith Campell TOGETHER narcissism narcissistic personality disorder" [YouTube Link](https://youtube.com/watch?v=arJLy3hX1E8) 2016-02-23T16:20Z 22.4M followers, 15.9M engagements "Can you solve the frog riddle - Derek Abbott View full lesson: http://ed.ted.com/lessons/can-you-solve-the-frog-riddle-derek-abbott Youre stranded in a rainforest and youve eaten a poisonous mushroom. To save your life you need an antidote excreted by a certain species of frog. Unfortunately only the female frog produces the antidote. The male and female look identical but the male frog has a distinctive croak. Derek Abbott shows how to use conditional probability to make sure you lick the right frog and get out alive. Lesson by Derek Abbott animation by Artrake Studio. Derek Abbott Artrake" [YouTube Link](https://youtube.com/watch?v=cpwSGsb-rTs) 2016-02-29T16:01Z 22.4M followers, 8.7M engagements "What is an aurora - Michael Molina Explore the science behind what causes the incredible light and color of the Aurora Borealis and Aurora Australis. -- Why do we see those stunning lights in the northern- and southernmost portions of the night sky The Aurora Borealis and Aurora Australis occur when high-energy particles are flung from the Sun's corona toward the Earth and mingle with the neutral atoms in our atmosphere -- ultimately emitting extraordinary light and color. Michael Molina explains every step of this dazzling phenomenon. Lesson by Michael Molina animation by Franco Barroeta." [YouTube Link](https://youtube.com/watch?v=czMh3BnHFHQ) 2013-07-03T15:16Z 22.4M followers, 1M engagements "How close are we to powering the world with nuclear fusion - George Zaidan Explore the possibility of nuclear fusion technology to create limitless on-demand energy with almost no emissions. -- Stars have cores hot and dense enough to force atomic nuclei together forming larger heavier nuclei in a process known as fusion. In this process the mass of the end products is slightly less than the mass of the initial atoms. But that lost mass doesnt disappear its converted to energy . a lot of energy. So can we harness this energy to power the world George Zaidan investigates. Lesson by George" [YouTube Link](https://youtube.com/watch?v=dGr8VaITKbA) 2024-06-27T15:00Z 22.4M followers, 427.8K engagements "6 myths about the Middle Ages that everyone believes - Stephanie Honchell Smith Explore the [--] most common misconceptions about the Middle Ages and find out what living in medieval times was actually like. -- Medieval Europe. Where unbathed sword-wielding knights ate rotten meat thought the Earth was flat defended chastity-belt wearing maidens and tortured their foes with grisly gadgets. Except this is more fiction than fact. So where do all the myths about the Middle Ages come from And what were they actually like Stephanie Honchell Smith debunks common misconceptions about the time period." [YouTube Link](https://youtube.com/watch?v=e9-l34TcV_U) 2023-03-07T16:01Z 22.4M followers, 2.8M engagements "History vs. Egypts "most powerful" pharaoh - Jessica Tomkins Pharaoh Ramesses II presided over a golden age of Egyptian prosperity but was he a model leader or a master of propaganda -- Pharaoh Ramesses II reigned for almost [--] years in the 13th century BCE. He presided over a golden age of Egyptian prosperity power and wealth. But was he a model leader or a shameless egomaniac and master of propaganda Jessica Tomkins puts this controversial figure on trial in History vs. Ramesses the Great. Lesson by Jessica Tomkins directed by Brett Underhill PorkchopBob Studio. Support Our Non-Profit" [YouTube Link](https://youtube.com/watch?v=fVcKBox97P0) 2024-01-18T16:00Z 22.4M followers, 697.4K engagements "Why did people wear powdered wigs - Stephanie Honchell Smith Trace the rise and fall of the powdered wig fashion craze from King Louis XIII to the French Revolution in the 18th century. -- Wigs date at least as far back as ancient Egypt where well-regarded hairdressers crafted them into intricate styles. And under certain ancient Roman dynasties womens wigs became particularly ornate. Yet it wasnt until Louis XIII unveiled a magnificent mane in the 17th century that big wigs truly began booming. Stephanie Honchell Smith details the rise and fall of the bewigged fashion craze. Lesson by" [YouTube Link](https://youtube.com/watch?v=fl1i6RtM4o8) 2024-08-01T14:01Z 22.4M followers, 1M engagements "Everything you need to know to read The Canterbury Tales - Iseult Gillespie Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/everything-you-need-to-know-to-read-the-canterbury-tales-iseult-gillespie A portly Miller barely able to sit on his horse rambles on about the flighty wife of a crotchety old carpenter and the scholar she takes as her lover. This might sound like a bawdy joke but its part of one of the most esteemed works of English literature ever created: The Canterbury Tales. Iseult Gillespie shares everything you need to know to" [YouTube Link](https://youtube.com/watch?v=h0ZrBr9DOwA) 2018-10-02T15:02Z 22.4M followers, 1.1M engagements "Ugly History: Japanese American incarceration camps - Densho Dig into the historic injustice of Japanese American incarceration camps also known as internment camps during World War II. -- On December [--] [----] [--] year-old Aki Kurose shared in the horror of millions of Americans when Japanese planes attacked Pearl Harbor. Unbeknownst to her this shared experience would soon leave her family and over [------] Japanese Americans alienated from their country both socially and physically. Densho explores the racism and paranoia that led to the unjust internment of Japanese Americans. Lesson by Densho" [YouTube Link](https://youtube.com/watch?v=hI4NoVWq87M) 2019-10-01T15:01Z 22.4M followers, 1.9M engagements "What are gravitational waves - Amber L. Stuver Check out all of TED-Ed's book recommendations: http://ed.ted.com/books Check out Neil deGrasse Tyson's "Astrophysics for People in a Hurry": https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/astrophysics-for-people-in-a-hurry View full lesson: https://ed.ted.com/lessons/what-are-gravitational-waves-amber-l-stuver In September [----] scientists witnessed something never seen before: two black holes colliding. Both about [--] times as big as our Sun they had been orbiting each other for millions of years. A fraction of a second" [YouTube Link](https://youtube.com/watch?v=hebGhsNsjG0) 2017-09-14T15:00Z 22.4M followers, 1M engagements "Uncovering the brain's biggest secret - Melanie E. Peffer Explore how a scientist and artist discovered how our brains transmit signals throughout the body and laid the foundation for modern neuroscience. -- In the 1860s scientists believed they were on the verge of uncovering the brains biggest secret: how the brains signals travel through the body. They believed these impulses travelled uninterrupted along a massive web of tissue. But soon a young artist would cut down this hypothesis and sketch a bold new vision of how our brains work. Melanie E. Peffer details the discoveries of Golgi and" [YouTube Link](https://youtube.com/watch?v=iQqSKfPop28) 2021-02-08T16:00Z 22.4M followers, 604.6K engagements "How do steroids affect your muscles and the rest of your body - Anees Bahji Dig into the science of how anabolic steroids and their recreational use can affect your body organs and brain. -- Steroids. Theyve caused global scandals. Theyre banned in most athletic competitions. Yet the same properties that help elite athletes and bodybuilders improve performance also make steroids valuable for treating many illnesses and injuries such as AIDS and cancer. So if steroids are used as medicine they must be safe to use recreationally right Anees Bahji explores the effects of steroids. Lesson by" [YouTube Link](https://youtube.com/watch?v=itEXhxjOPjk) 2020-11-09T16:00Z 22.4M followers, 3.9M engagements "No one really knows what a tree is - Max G. Levy Dig into the system that helps scientists distinguish trees from other varieties of plants and what characteristics make a tree. -- Plants assume a variety of forms and trees are just one of them. What makes or breaks a tree can come down to some pretty specific characteristics based on how the plant develops as a result of how it evolved. Trees dont all comprise one closely related group like insects or mammals. So how exactly do trees get classified as trees Max G. Levy explains what distinguishes these woody plants. Lesson by Max G. Levy" [YouTube Link](https://youtube.com/watch?v=j1EXBeBA89w) 2025-04-17T15:23Z 22.4M followers, 500.8K engagements "Why do you get a fever when you're sick - Christian Moro Discover what happens in your body when you have a fever and why its role in our immune response remains a mystery to scientists. -- There are many mysteries around fever but we do know that all mammals some birds and even a few invertebrate and plant species feel fevers heat. It has persisted for over [---] million years of evolution. But it has a significant cost: for every degree increase in temperature theres a 12.5% increase in energy required. So why and how does your body produce a fever Christian Moro investigates. Lesson by" [YouTube Link](https://youtube.com/watch?v=jRvxnpfCDSo) 2020-11-12T16:00Z 22.4M followers, 1.6M engagements "Would winning the lottery make you happier - Raj Raghunathan View full lesson: http://ed.ted.com/lessons/would-winning-the-lottery-make-you-happier-raj-raghunathan Imagine winning a multi-million dollar lottery tomorrow. If youre like many of us youd be ecstatic unable to believe your good luck. But would that joy still be there a few years later Raj Raghunathan describes a phenomenon called hedonic adaptation which may shed light on the answer. Lesson by Raj Raghunathan animation by Allen Laseter. TED TED-Ed TED Ed TED Education Raj Raghunathan Allen Laseter lottery money happiness hedonic" [YouTube Link](https://youtube.com/watch?v=juO4zxsjSjw) 2017-02-07T15:59Z 22.4M followers, 1.2M engagements "The complicated history of surfing - Scott Laderman Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-complicated-history-of-surfing-scott-laderman Today surfing is a multi-billion-dollar global industry with tens of millions of enthusiasts worldwide. For some its a serious sport; for others just a way to let loose. But despite its casual association with fun and sun surfing has a richer and deeper history than many realize. Scott Laderman shares the hidden history of surfing. Lesson by Scott Laderman directed by Silvia Prietov. Thank" [YouTube Link](https://youtube.com/watch?v=jyn_orqdyHQ) 2017-11-16T16:00Z 22.4M followers, 1.7M engagements "Why do people join cults - Janja Lalich View full lesson: http://ed.ted.com/lessons/why-do-people-join-cults-janja-lalich Today there are thousands of cults around the world. Broadly speaking a cult is a group or movement with a shared commitment to a usually extreme ideology thats typically embodied in a charismatic leader. But what exactly differentiates cults from other groups and why do people join them Janja Lalich describes how cults recruit and manipulate their members. Lesson by Janja Lalich animation by Globizco. TED TED-Ed TED Education TED Ed Janja Lalich Globizco cults Jim Jones" [YouTube Link](https://youtube.com/watch?v=kB-dJaCXAxA) 2017-06-12T15:01Z 22.4M followers, 6M engagements "Where did Russia come from - Alex Gendler Trace the evolution of Russia from Kievan Rus to present day and find out how it became the biggest country in the world. -- Russia is the biggest country in the world spanning one-eighth of the Earths landmass. But where did it all begin Alex Gendler explores the epic history of the Kievan Rus where characters ranging from Viking raiders and Western crusaders to Byzantine missionaries and Mongol hordes all played a role to create a unique civilization standing at the crossroads of culture and geography. Lesson by Alex Gendler animation by Drako" [YouTube Link](https://youtube.com/watch?v=lfe1wEQzSzM) 2015-10-13T15:28Z 22.4M followers, 5.8M engagements "The rise and fall of the Celtic warriors - Philip Freeman Trace the rise and fall of the ancient Celts a group of hundreds of independent warrior tribes defeated by the Roman Empire. -- One summer evening in [---] BCE Alexander the Great was resting by the Danube River when a band of strangers approached his camp. Alexander had never seen anything like these tall fierce-looking warriors with huge golden neck rings and colorful cloaks. They were Keltoi or Celts a collection of independent tribes spread across Europe. Philip Freeman details the rise and fall of the ancient Celts. Lesson by Philip" [YouTube Link](https://youtube.com/watch?v=lmYQMJi30aw) 2020-07-20T15:01Z 22.4M followers, 1.4M engagements "The best nose in the animal kingdom - Chase LaDue & Bruce A. Schulte Discover the incredible ways elephants use their trunks to sense and communicate information and emotion. -- As a breeze blows through the savannah a snake-shaped tube stretches into the air and scans the horizon like a periscope. But its not seeing its sniffing. Containing no bones and an estimated [-----] muscles an elephant trunk is one of the most versatile tools in the animal kingdom. Chase LaDue and Bruce Schulte detail the incredible capabilities of these agile appendages. Lesson by Chase LaDue and Bruce A. Schulte" [YouTube Link](https://youtube.com/watch?v=mL2_zXCgbXI) 2021-03-15T15:01Z 22.4M followers, 302.2K engagements "Stroke of insight - Jill Bolte Taylor View full lesson: http://ed.ted.com/lessons/jill-bolte-taylor-s-stroke-of-insight Brain researcher Jill Bolte Taylor studied her own stroke as it happened -- and has become a powerful voice for brain recovery. Talk by Jill Bolte Taylor. Jill Bolte Taylor TEDEducation TED-Ed TED Ed stroke brain Jill Bolte Taylor TEDEducation TED-Ed TED Ed stroke brain" [YouTube Link](https://youtube.com/watch?v=mYD7Y9CXeUw) 2012-11-14T16:00Z 22.4M followers, 401.2K engagements "The plot to overthrow the Inca Empire - Gabriel Prieto Follow Maxo a warrior of the Chimu Empire as he navigates the Inca-conquered streets of Chan Chan to receive a secret message. -- Its daybreak in the city of Chan Chan and former soldier Maxo has been up all night fretting. Last night a friend stopped by and instructed him to go to the plaza at noon to receive an important message. But with the recent defeat of their army and the overthrow of the king answering this mysterious summons will be dangerous. Gabriel Prieto outlines a day in the life of a Chimu warrior. Lesson by Gabriel Prieto" [YouTube Link](https://youtube.com/watch?v=nLgt4Z5L8XI) 2023-09-28T15:00Z 22.4M followers, 272.4K engagements "How the Knigsberg bridge problem changed mathematics - Dan Van der Vieren View full lesson: http://ed.ted.com/lessons/how-the-konigsberg-bridge-problem-changed-mathematics-dan-van-der-vieren Youd have a hard time finding the medieval city Knigsberg on any modern maps but one particular quirk in its geography has made it one of the most famous cities in mathematics. Dan Van der Vieren explains how grappling with Knigsbergs puzzling seven bridges led famous mathematician Leonhard Euler to invent a new field of mathematics. Lesson by Dan Van der Vieren animation by Artrake Studio. Dan Van der" [YouTube Link](https://youtube.com/watch?v=nZwSo4vfw6c) 2016-09-01T14:52Z 22.4M followers, 1.5M engagements "Lesson 1: What are ideas Master a variety of communication skills with TEDs official public speaking course. This course will teach you how to identify develop and share your best ideas with the world. This video - the first in the series - is available for free. If you'd like to continue on this learning journey you can purchase the full 11-lesson course. All proceeds support TED-Ed's nonprofit mission to develop and share free high-quality educational materials with the world. Lesson [--] Learning Goal: Identify the qualities of ideas worth spreading. This lesson is full of foundational" [YouTube Link](https://youtube.com/watch?v=orBYbxxrJSU) 2022-11-18T18:50Z 22.4M followers, 255.8K engagements "How do dogs "see" with their noses - Alexandra Horowitz View full lesson: http://ed.ted.com/lessons/how-do-dogs-see-with-their-noses-alexandra-horowitz You may have heard the expression that dogs see with their noses. But these creatures amazing nasal architecture actually reveals a whole world beyond what we can see. Alexandra Horowitz illustrates how the dogs nose can smell the past the future and even things that cant be seen at all. Lesson by Alexandra Horowitz animation by Provncia Studio. TED TEDx TED-Ed Dog Canine Smell Olfactory Olfaction Nose Nostril Breathing Smelling Olfactory" [YouTube Link](https://youtube.com/watch?v=p7fXa2Occ_U) 2015-02-02T16:19Z 22.4M followers, 2.5M engagements "How Magellan circumnavigated the globe - Ewandro Magalhaes View full lesson: http://ed.ted.com/lessons/how-magellan-circumnavigated-the-globe-ewandro-magalhaes On September [--] [----] the "Victoria" sailed into harbor in southern Spain. The battered vessel and its [--] sailors were all that remained of a fleet that had departed three years before. Yet her voyage was considered a success for the "Victoria" had achieved something unprecedented the first circumnavigation of the globe. Ewandro Magalhaes shares the story of Magellans journey. Lesson by Ewandro Magalhaes animation by TED-Ed. TED TED-Ed" [YouTube Link](https://youtube.com/watch?v=pFdiX8mj0Es) 2017-03-30T15:07Z 22.4M followers, 1.9M engagements "The myth of Jason and the Argonauts - Iseult Gillespie Download a free audiobook version of "Circe" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed Check out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/circe -- Hercules the strongest man alive with a mighty heart to match. Orpheus charmer of nature and master of music. Castor and Pollux the twin tricksters. The Boreads sons of the North Wind who could hurtle through the air. Brought together by a young mans call for help these heroes joined forces and named" [YouTube Link](https://youtube.com/watch?v=peFwikd2-bw) 2019-08-27T15:01Z 22.4M followers, 2.2M engagements "The myth of Sisyphus - Alex Gendler Download a free audiobook version of "Man's Search for Meaning" and support TED-Ed's nonprofit mission: https://adbl.co/2z7JGWx Check out our full book recommendation: https://bit.ly/2JYUn1y Sisyphus was both a clever ruler who made his city prosperous and a devious tyrant who seduced his niece and killed visitors to show off his power. While his violation of the sacred hospitality tradition greatly angered the gods it was Sisyphus reckless confidence that proved to be his downfall -- resulting in Zeus condemning him for all eternity. Alex Gendler shares" [YouTube Link](https://youtube.com/watch?v=q4pDUxth5fQ) 2018-11-13T16:01Z 22.4M followers, 8.8M engagements "The tale of the brothers who outwitted the demon queen - Malay Bera Dig into the Bengali tale of brothers Neelkamal and Lalkamal two princes seeking to end the reign of demons in their kingdom. -- Achinpur was on the precipice of demonic takeover. A mysterious woman beguiled the king and infiltrated the royal family. But she wasnt human; under her beautiful faade lurked an insatiable appetite for flesh. One night the demon queen devoured the king's sons but the princes managed to evade death. Malay Bera shares the tale of their quest to free the kingdom from the scourge of demons. Lesson by" [YouTube Link](https://youtube.com/watch?v=q5WEuoxYIac) 2025-03-04T16:00Z 22.4M followers, 533.1K engagements "Think Like a Coder Teaser Trailer Introducing TED-Ed's new 10-episode coding series Think Like A Coder The adventure follows a duo trying to save the world solving programming puzzles along the way. -- Were thrilled to announce our series: Think Like A Coder. This 10-episode narrative follows a girl Ethic and her robot companion Hedge as they attempt to save the world. The two embark on a quest to collect three artifacts and must solve their way through a series of programming puzzles to fix the problems plaguing their world. Coders and the code-curious alike are invited to join the adventure" [YouTube Link](https://youtube.com/watch?v=qhAAmyGnA-M) 2019-09-21T13:00Z 22.4M followers, 879.3K engagements "Is DNA the future of data storage - Leo Bear-McGuinness Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/is-dna-the-future-of-data-storage-leo-bear-mcguinness In the event of a nuclear fallout every piece of digital and written information could all be lost. Luckily there is a way that all of human history could be recorded and safely stored beyond the civilizations end. And the key ingredient is inside all of us: our DNA. Leo Bear-McGuinness explains. Lesson by Leo Bear-McGuinness animation by TED-Ed. Thank you so much to our patrons for" [YouTube Link](https://youtube.com/watch?v=r8qWc9X4f6k) 2017-10-09T15:00Z 22.4M followers, 423.9K engagements "The surprising reason our muscles get tired - Christian Moro Why do our muscles get tired and sore after exercise Explore how our muscles function and how you can exercise longer without experiencing muscle fatigue. -- You're lifting weights. The first time feels easy but each lift takes more and more effort until you cant continue. Inside your arms the muscles responsible for the lifting have become unable to contract. Whats going on Christian Moro explains how exactly our muscles operate and what causes them to become fatigued. Lesson by Christian Moro directed by Nichola Latzgo. Sign up" [YouTube Link](https://youtube.com/watch?v=rLsimrBoYXc) 2019-04-18T15:00Z 22.4M followers, 5.9M engagements "The rights you might not realize you have - Shannon Odell Do you have a right to a healthy planet Dig into the movement to hold governments accountable for climate change inaction. -- Since [----] an unprecedented movement has been sweeping courts around the world. Groups of young plaintiffs are suing their governments for their inaction on tackling climate change. These suits argue that climate inaction violates their basic human rights. But what do human rights have to do with the environment Shannon Odell examines our right to a healthy environment food health and water. Lesson by Shannon" [YouTube Link](https://youtube.com/watch?v=sTW3dvuDmBE) 2023-12-07T16:01Z 22.4M followers, 511.4K engagements "The survival of the sea turtle Watch the miraculous journey of infant sea turtles as these tiny animals run the gauntlet of predators and harsh conditions. Then in numbers see how human behavior has made their tough lives even more challenging. Lesson by Scott Gass animation by Veronica Wallenberg and Johan Sonestedt. View the full lesson at: http://ed.ted.com/lessons/the-survival-of-the-sea-turtle Scott Gass sea turtle turtle oceans ocean sea marine marine life TED Education TED-Ed environment conservation marine biology Veronica Wallenberg Scott Gass sea turtle turtle oceans ocean sea" [YouTube Link](https://youtube.com/watch?v=t-KmQ6pGxg4) 2012-07-23T15:03Z 22.4M followers, 2.1M engagements "Solid liquid gas and plasma - Michael Murillo View full lesson: http://ed.ted.com/lessons/solid-liquid-gas-and-plasma-michael-murillo Have you ever seen static electricity cause a spark of light What is that spark What about lightning the Northern Lights or the tail of a comet All of those things and many others in fact 99.9% of the universe -- are made of plasma. Michael Murillo gives the full picture on plasma. Lesson by Michael Murillo animation by Toms Pichardo Espaillat. TED TEd-Ed TEDx TED Education Plasma Electricity Spark Light Lightning Northern lights Comet tail Solid Liquid Gas" [YouTube Link](https://youtube.com/watch?v=tJplytSR-ww) 2015-07-28T15:14Z 22.4M followers, 795.6K engagements "How to use a semicolon - Emma Bryce View full lesson: http://ed.ted.com/lessons/how-to-use-a-semicolon-emma-bryce It may seem like the semicolon is struggling with an identity crisis. It looks like a comma crossed with a period. Maybe thats why we toss these punctuation marks around like grammatical confetti; were confused about how to use them properly. Emma Bryce clarifies best practices for the semi-confusing semicolon. Lesson by Emma Bryce animation by Karrot Entertainment. TED TED-Ed TEDx TED Education Emma Bryce Karrot Entertainment Semicolon Grammar Clause Independent clause Dependent" [YouTube Link](https://youtube.com/watch?v=th-zyfvwDdI) 2015-07-06T15:20Z 22.4M followers, 2.6M engagements "The best stats you've ever seen - Hans Rosling View full lesson: http://ed.ted.com/lessons/hans-rosling-shows-the-best-stats-you-ve-ever-seen You've never seen data presented like this. With the drama and urgency of a sportscaster statistics guru Hans Rosling debunks myths about the so-called "developing world." Talk by Hans Rosling. Hans Rosling TED TED-Ed TED Ed TEDEducation data Hans Rosling TED TED-Ed TED Ed TEDEducation data" [YouTube Link](https://youtube.com/watch?v=usdJgEwMinM) 2013-07-13T15:04Z 22.4M followers, 462.1K engagements "One of the most controversial medical procedures in history - Jenell Johnson Uncover the history of the lobotomy and find out why it's considered one of the most controversial procedures of the 20th century. -- In [----] researchers found that after removing the frontal lobes of two chimps they no longer experienced frustration or anxiety. Neurologist Egas Moniz believed that replicating this in humans could cure mental illness leading to one of the most controversial and destructive medical treatments of the 20th century: the lobotomy. Jenell Johnson uncovers the history of the procedure." [YouTube Link](https://youtube.com/watch?v=w3d2DlLX7xw) 2025-01-14T16:01Z 22.4M followers, 1.4M engagements "The physics of playing guitar - Oscar Fernando Perez View full lesson: http://ed.ted.com/lessons/the-physics-of-playing-guitar-oscar-fernando-perez Guitar masters like Jimi Hendrix are capable of bending the physics of waves to their wills plucking melody from inspiration and vibration. But how do wood metal and plastic translate into rhythm melody and music Oscar Fernando Perez details the physics of playing the guitar from first pluck to that final shredding chord. Lesson by Oscar Fernando Perez animation by Chris Boyle. Guitar Physics Oscar Perez Jimi Hendrix Kurt Cobain Jimmy Page Music" [YouTube Link](https://youtube.com/watch?v=w6EGyFAGpXU) 2015-08-13T15:07Z 22.4M followers, 529.4K engagements "How do hard drives work - Kanawat Senanan View full lesson: http://ed.ted.com/lessons/how-do-hard-drives-work-kanawat-senanan The modern hard drive is an object that can likely hold more information than your local library. But how does it store so much information in such a small space Kanawat Senanan details the generations of engineers material scientists and quantum physicists who influenced the creation of this incredibly powerful and precise tool. Lesson by Kanawat Senanan animation by TED-Ed. Senanan Kanawat Hard Drive TED TED-Ed TEDx TED Education Franz Palomares Computers Computer" [YouTube Link](https://youtube.com/watch?v=wteUW2sL7bc) 2015-10-29T15:43Z 22.4M followers, 2.8M engagements "A day in the life of a Mongolian queen - Anne F. Broadbridge Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter View full lesson: https://ed.ted.com/lessons/a-day-in-the-life-of-a-mongolian-queen-anne-f-broadbridge As dawn breaks over a moveable city of ten thousand yurts Queen Boraqchin readies her kingdom for departure to their summer camping grounds. While her husband the grandson of Genghis Khan is out raiding she juggles the duties of managing flocks family and a city of thousands. Anne F. Broadbridge outlines a day in the life of a Mongolian queen." [YouTube Link](https://youtube.com/watch?v=wz4k6d2reAI) 2019-01-17T16:02Z 22.4M followers, 2.2M engagements "How do viruses jump from animals to humans - Ben Longdon Discover the science of how viruses can jump from one species to another and the deadly epidemics that can result from these pathogens. -- At a Maryland country fair in [----] farmers reported feverish hogs with inflamed eyes and running snouts. While farmers worried about the pigs the department of health was concerned about a group of sick fairgoers. Soon [--] of these attendees would be diagnosed with swine flu. How can pathogens from one species infect another and what makes this jump so dangerous Ben Longdon explains. Lesson by Ben" [YouTube Link](https://youtube.com/watch?v=xjcsrU-ZmgY) 2019-08-08T15:00Z 22.4M followers, 1.6M engagements "How do glasses help us see - Andrew Bastawrous and Clare Gilbert View full lesson: http://ed.ted.com/lessons/how-do-glasses-help-us-see-andrew-bastawrous-and-clare-gilbert Today glasses help millions of people with poor vision be able to see clearly. But how Andrew Bastawrous and Clare Gilbert help unravel the answer by explaining refraction the ability of a transparent medium like glass water or the eye to change the direction of light passing through it. Lesson by Andrew Bastawrous and Clare Gilbert animation by Andrew Foerster. Andrew Bastawrous Clare Gilbert Andrew Foerster Glasses" [YouTube Link](https://youtube.com/watch?v=ypF037wlYZg) 2016-04-05T15:04Z 22.4M followers, 2.4M engagements "What causes cavities - Mel Rosenberg View full lesson: http://ed.ted.com/lessons/what-causes-cavities-mel-rosenberg When a team of archeologists recently came across some 15000-year-old human remains they made an interesting discovery: the teeth of those ancient humans were riddled with holes. So what causes cavities and how can we avoid them Mel Rosenberg takes us inside our teeth to find out. Lesson by Mel Rosenberg animation by Andrew Foerster. Mel Rosenberg Andrew Foerster why do we get cavities cavities fillings dentist teeth oral hygiene braces mouth microbes mouth bacteria sugar starch" [YouTube Link](https://youtube.com/watch?v=zGoBFU1q4g0) 2016-10-17T15:02Z 22.4M followers, 7.2M engagements "Is radiation dangerous - Matt Anticole View full lesson: http://ed.ted.com/lessons/is-radiation-dangerous-matt-anticole When we hear the word radiation its tempting to picture huge explosions and frightening mutations. But thats not the full story radiation also applies to rainbows and a doctor examining an X-ray. So what is it really and how much should we worry about its effects Matt Anticole describes the different types of radiation. Lesson by Matt Anticole animation by Tinmouse Animation Studio. Matt Anticole Tinmouse Animation Studio radiation risks of radiation ionizing radiation x-ray" [YouTube Link](https://youtube.com/watch?v=zI2vRwFKnHQ) 2016-03-14T15:27Z 22.4M followers, 2.9M engagements "Is there a limit to technological progress - Clment Vidal View full lesson: http://ed.ted.com/lessons/is-there-a-limit-to-technological-progress-clement-vidal Many generations have felt theyve reached the pinnacle of technological advancement. Yet if you look back [---] years the technologies we take for granted today would seem like impossible magic. So will there be a point where we reach an actual limit of technological progress And if so are we anywhere near that limit now Clment Vidal consults Kardashevs scale to find out. Lesson by Clment Vidal animation by CUB animation. TED Richard" [YouTube Link](https://youtube.com/watch?v=zVsHzS70krg) 2016-12-19T16:01Z 22.4M followers, 804.8K engagements "The worlds most dangerous fart - Nick Caruso and Dani Rabaiotti Dive into the bowels of the animal kingdom to explore why animals fart and find out which creature has the foulest flatulence. -- For most humans farts are a welcome relief an embarrassing incident or an opportunity for a gas-based gag. But for many other creatures farts are no laughing matter. Deep in the bowels of the animal kingdom farts can serve as tools of intimidation acts of self-defense and weapons of malodorous murder. Nick Caruso and Dani Rabaiotti dig into the funky and foul world of animal flatulence. Lesson by Nick" [YouTube Link](https://youtube.com/watch?v=zfttRfTmtuE) 2021-02-01T16:00Z 22.4M followers, 2.6M engagements "Could you survive the real Twilight Zone - Philip Renaud and Kenneth Kostel Find out how a hatchetfish survives its daily journey from the depths of the oceans Twilight Zone to the resource-rich surface. -- Youre traveling deep beneath the oceans surface where faint lights flicker and toothy grins flash. Your mission is to survive these depths and journey to the surface after sundown to feed. And as a hatchetfish almost every other deep-sea creature is trying to eat you. Can you complete the quest Philip Renaud and Kenneth Kostel share how to survive the ocean's Twilight Zone. Lesson by" [YouTube Link](https://youtube.com/watch?v=-yJ3RySf9U4) 2021-05-25T15:00Z 22.4M followers, 655.6K engagements "How do US Supreme Court justices get appointed - Peter Paccone View full lesson: http://ed.ted.com/lessons/how-do-us-supreme-court-justices-get-appointed-peter-paccone Theres a job out there with a great deal of power pay prestige and near-perfect job-security. And theres only one way to be hired: get appointed to the US Supreme Court. But how do US Supreme Court Justices actually get that honor Peter Paccone outlines the difficult process of getting a seat on the highest bench in the country. Lesson by Peter Paccone animation by Globizco. TED-Ed TED TEDEducation TEDEd Peter Paccone Globizco" [YouTube Link](https://youtube.com/watch?v=0xnzGSV66x4) 2016-11-17T16:11Z 22.4M followers, 1M engagements "The science of attraction - Dawn Maslar View full lesson: http://ed.ted.com/lessons/the-science-of-attraction-dawn-maslar Romantic chemistry is all about warm gooey feelings that gush from the deepest depths of the heart.right Not quite. Actually the real boss behind attraction is your brain which runs through a very quick very complex series of calculations when assessing a potential partner. Dawn Maslar explores how our five senses contribute to this mating game citing some pretty wild studies along the way. Lesson by Dawn Maslar animation by TOGETHER. attraction romantic attraction sexual" [YouTube Link](https://youtube.com/watch?v=169N81xAffQ) 2014-05-08T15:18Z 22.4M followers, 7.5M engagements "Overcoming obstacles - Steven Claunch View full lesson: http://ed.ted.com/lessons/there-s-no-dishonor-in-having-a-disability-steven-claunch When faced with a bump in the road sometimes we forget we have a choice: overcome the obstacle or let it overcome you. Steven Claunch who was born without fingers on his right hand and with one leg shorter than the other and has excelled in basketball nonetheless explains why obstacles can provide an opportunity to both inspire others and develop character. Lesson by Steven Claunch animation by Avi Ofer. Steven Claunch Avi Ofer disability basketball" [YouTube Link](https://youtube.com/watch?v=2MGMvEnoD6U) 2013-08-21T15:08Z 22.4M followers, 1.2M engagements "The scientific origins of the Minotaur - Matt Kaplan View full lesson: http://ed.ted.com/lessons/the-scientific-origins-of-the-minotaur-matt-kaplan The myth of the Minotaur tells the story of an enraged beast forever wandering the corridors of a damp labyrinth filled with a rage so intense that its deafening roar shakes the earth. But is this story just fiction or an attempt of our early ancestors to make sense of the natural world Matt Kaplan examines the myth for its scientific roots. Lesson by Matt Kaplan animation by Artrake Studio. Matt Kaplan Minotaur Ancient Greek mythology Ancient" [YouTube Link](https://youtube.com/watch?v=2aoIs-5zqoI) 2015-07-20T15:08Z 22.4M followers, 4.7M engagements "How do focus groups work - Hector Lanz View full lesson: http://ed.ted.com/lessons/how-do-focus-groups-work-hector-lanz Focus groups have been widely used by organizations and individuals to find out how their products and ideas will be received by an audience. From the usage of household products to a politicians popularity almost everything can be explored with this technique. But how are focus groups put together And how did they come about in the first place Hector Lanz explains how focus groups work. Lesson by Hector Lanz animation by Compote Collective. TED TED-Ed TED Education TED Ed" [YouTube Link](https://youtube.com/watch?v=3TwgVQIZPsw) 2017-04-10T15:00Z 22.4M followers, 955.6K engagements "What your poop can tell you about your health - Hannibal Person Travel into the digestive system to see how food is turned into waste and what causes the different colors and textures of poop. -- The average person poops out approximately [-----] kilograms of cumulative waste in a lifetime. Thats the equivalent of more than [--] SUVs. Oftentimes that poop is brown. Why is that considering all the comestibles one consumes And whats going on when poop appears in different colors and textures Hannibal Person explains the colorful choreography going on inside your bowels. Lesson by Hannibal Person" [YouTube Link](https://youtube.com/watch?v=3svcvmunYn4) 2025-07-24T15:00Z 22.4M followers, 446.8K engagements "Why are scientists shooting mushrooms into space - Shannon Odell Explore the unique characteristics that make fungi so resilient and find out why they may be the key to future space travel. -- Astronauts aboard the space station Mir made a frightening discovery: several species of Earth-derived fungi were found growing throughout the shuttle blanketing air conditioners and corroding control panels putting both the stations integrity and their lives at risk. How had the fungi survived the journey to space Shannon Odell shares why fungi may be the key to our future on other planets. Lesson by" [YouTube Link](https://youtube.com/watch?v=5-J1t0rAlOU) 2024-07-18T15:00Z 22.4M followers, 725.2K engagements "Why is Marie Antoinette so controversial - Carolyn Harris Marie Antoinette became a symbol for the evils of excess but was she a wasteful queen or a convenient scapegoat You decide. -- She was the Queen of France notorious for living in opulence while peasants starved and became a symbol of everything wrong with monarchy. But was Marie Antionette a heartless wasteful queen or a convenient scapegoat in turbulent times Carolyn Harris puts this controversial figure on trial in History vs. Marie Antoinette. Lesson by Carolyn Harris directed by Brett Underhill PorkchopBob Studio. Support Our" [YouTube Link](https://youtube.com/watch?v=5D3hQS6ezXc) 2023-06-20T15:00Z 22.4M followers, 1.7M engagements "The physics of surfing - Nick Pizzo Wondering how you can catch the perfect wave Dive into the fascinating and complex physics of surfing. -- Whether or not you realize it surfers are masters of complicated physics. The science of surfing begins as soon as a board first hits the water. Surfers may not be thinking about weather patterns in the Pacific tectonic geology or fluid mechanics but the art of catching the perfect wave relies on all these things and more. Nick Pizzo dives into the gnarly physics that make surfing possible. Lesson by Nick Pizzo directed by Wonderlust. Sign up for our" [YouTube Link](https://youtube.com/watch?v=5nCcE-jABSo) 2019-03-11T15:01Z 22.4M followers, 663.2K engagements "What is love - Brad Troeger View full lesson: http://ed.ted.com/lessons/what-is-love-brad-troeger Is love a signal winding through your neural pathways A cliche A cult Love is easy to compare but difficult to define maybe because we're fundamentally biased; we try to define love while falling in or out of it. And love feels differently to every person who feels it but this subjective emotion has evolutionary explanations too. Brad Troeger takes a shot at the definition of love. Lesson by Brad Troeger animation by STK Films. Brad Troeger STK Films love what is love TED TED-Ed TED Ed" [YouTube Link](https://youtube.com/watch?v=5sY4rhvB9LE) 2013-09-09T15:10Z 22.4M followers, 1.9M engagements "The history of keeping time - Karen Mensing View full lesson: http://ed.ted.com/lessons/the-history-of-keeping-time Where did time-telling come from What are time zones and why are there so many of them Get the answers to these questions and more in this journey through the history of time -- from sundials to hourglasses to modern clocks. Lesson by Karen Mensing animation by Avi Ofer. TED-Ed TEDEducation TED Education time time zones sundials hourglass modern clock history of time clocks passage of time time system farming social structures TED-Ed TEDEducation TED Education time time zones" [YouTube Link](https://youtube.com/watch?v=74I0M0RKNIE) 2012-08-16T15:12Z 22.4M followers, 266.9K engagements "How did ancient civilizations make ice cream - Vivian Jiang Trace the history of ice cream from the first accounts of cold desserts in the 1st century to the cream-based treat we know today. -- Ice cream has a unique role in our worlds history culture and cravings. The first accounts of cold desserts date back to the first century in civilizations including ancient Rome Mughal India and Tang Dynasty China. Yet the cream-based delicacy we know today made a much later debut. So how did the delicious sweet treat come to be Vivian Jiang shares the scoop on the history of ice cream. Lesson by" [YouTube Link](https://youtube.com/watch?v=7K3KdgDcdYc) 2024-05-30T15:00Z 22.4M followers, 2.4M engagements "What you can do with an extra jaw - Darien Satterfield Discover the adaptation of the pharyngeal jaw a secondary set of jaws that allow fish to capture and eat their prey at the same time. -- After stalking a cuttlefish a moray eel finally pounces. As the eel snags the mollusk in its teeth its prey struggles to escape. But before it can wiggle away a second set of teeth lunge from the eels throat. This adaptation is called a pharyngeal jaw and is one of the most common adaptations under the sea. Darien Satterfield shares how this incredible skeletal mechanism works. Lesson by Darien" [YouTube Link](https://youtube.com/watch?v=7UOt5KzKjV4) 2021-06-29T15:00Z 22.4M followers, 439K engagements "How did Dracula become the world's most famous vampire - Stanley Stepanic View full lesson: http://ed.ted.com/lessons/how-did-dracula-become-the-world-s-most-famous-vampire-stanley-stepanic Over a hundred years after his creator was laid to rest Dracula lives on as the most famous vampire in history. But this Transylvanian noble neither the first fictional vampire nor the most popular of his time may have remained buried in obscurity if not for a twist of fate. Stanley Stepanic explains how a critical copyright battle catapulted Bram Stokers character into literary renown. Lesson by Stanley" [YouTube Link](https://youtube.com/watch?v=7uiyz3139tE) 2017-04-20T15:17Z 22.4M followers, 4.1M engagements "Can you outsmart the fallacy that fooled a generation of doctors - Elizabeth Cox Dig into the false cause fallacy which assumes that one event causes another and learn how to distinguish between correlation and causation. -- Its [----] and a debate is raging about one of the most common killers of women: childbed fever no one knows what causes it. One physician has observed patients with inflammation go on to develop childbed fever and therefore believes the inflammation causes the fever. What's the problem with this argument Elizabeth Cox explores the false cause fallacy and how to dissect" [YouTube Link](https://youtube.com/watch?v=8HLtFv_KqoE) 2020-08-10T15:00Z 22.4M followers, 1.9M engagements "The fascinating history of cemeteries - Keith Eggener Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-fascinating-history-of-cemeteries-keith-eggener Spindly trees rusted gates crumbling stone a solitary mourner: these things come to mind when we think of cemeteries. But not long ago many burial grounds were lively places with gardens and crowds of people -- and for much of human history we didnt bury our dead at all. How did cemeteries become what they are today Keith Eggener delves into our ever-evolving rituals for honoring the" [YouTube Link](https://youtube.com/watch?v=8HegwRtbDSU) 2018-10-30T15:00Z 22.4M followers, 6.4M engagements "This one weird trick will help you spot clickbait - Jeff Leek & Lucy McGowan Test your wits with a set of hypothetical health studies and find out just how good you are at spotting clickbait. -- Health headlines are published every day sometimes making opposite claims from each other. There can be a disconnect between broad attention-grabbing headlines and the often specific incremental results of the medical research they cover. So how can you avoid being misled by grabby headlines Jeff Leek and Lucy McGowan explain how to read past the clickbait. Lesson by Jeff Leek and Lucy McGowan" [YouTube Link](https://youtube.com/watch?v=8IzfzoZsa-Q) 2019-06-06T15:00Z 22.4M followers, 841.4K engagements "Can you solve the famously difficult green-eyed logic puzzle - Alex Gendler Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter One hundred green-eyed logicians have been imprisoned on an island by a mad dictator. Their only hope for freedom lies in the answer to one famously difficult logic puzzle. Can you solve it Alex Gendler walks us through this green-eyed riddle. Lesson by Alex Gendler animation by Artrake Studio. TEd TED-Ed TEDx TEDEducation Alex Gendler Philosophy Logic Riddle Dictator Dictatorship Prison Puzzle Common Knowledge David Lewis Artrake" [YouTube Link](https://youtube.com/watch?v=98TQv5IAtY8) 2015-06-16T15:17Z 22.4M followers, 16.5M engagements "Become a slam poet in five steps - Gayle Danley View full lesson: http://ed.ted.com/lessons/become-a-slam-poet-in-five-steps-gayle-danley With enough passion and practice becoming a slam poet is within your reach. Explore a distant memory on paper then read it out loud. Edit. Try reading it out loud again and add your finishing touches. Gayle Danley offers five steps to being a slam poet -- while being downright poetic in the process. Lesson by Gayle Danley animation by TED-Ed. Gayle Danley Pages D. Matam Jeremiah Dickey Godfrey Hibbert poetry poet poem slam slam poetry poet how to be write" [YouTube Link](https://youtube.com/watch?v=9f8VcV8v2LE) 2013-03-27T15:04Z 22.4M followers, 882.7K engagements "How to make a mummy - Len Bloch View full lesson: http://ed.ted.com/lessons/how-to-make-a-mummy-len-bloch As anyone whos seen a mummy knows ancient Egyptian priests went to a lot of trouble to evade decomposition. But how successful were they Len Bloch details the mummification process and examines its results thousands of years later. Lesson by Len Bloch animation by The Moving Company Animation Studio. Len Bloch Moving Company Animation Studio mummy mummification body decay decomposition egypt ancient egypt body science biology history world history TED TED-Ed TED Ed TEDEducation Len Bloch" [YouTube Link](https://youtube.com/watch?v=9gD0K7oH92U) 2015-06-18T15:02Z 22.4M followers, 5.6M engagements "The art of the metaphor - Jane Hirshfield View full lesson on ed.ted.com http://ed.ted.com/lessons/jane-hirshfield-the-art-of-the-metaphor How do metaphors help us better understand the world And what makes a good metaphor Explore these questions with writers like Langston Hughes and Carl Sandburg who have mastered the art of bringing a scene or emotion to life. Lesson by Jane Hirshfield animation by Ben Pearce Jane Hirshfield TEDEducation TED Education TED-Ed TED Ed metaphor simile writing literature poetry Word Poem Educational Jane Hirshfield TEDEducation TED Education TED-Ed TED Ed" [YouTube Link](https://youtube.com/watch?v=A0edKgL9EgM) 2012-09-24T15:07Z 22.4M followers, 1.7M engagements "Why is Herodotus called The Father of History - Mark Robinson Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-is-herodotus-called-the-father-of-history-mark-robinson [----] years ago the writing of history as we know it didnt exist. The past was recorded as a list of events with little explanation for their causes beyond accepting things as the will of the gods. Herodotus wanted a deeper understanding so he took a new approach: looking at events from both sides to understand the reasons for them. Mark Robinson explains how history came" [YouTube Link](https://youtube.com/watch?v=A542ixwyBhc) 2017-12-11T16:14Z 22.4M followers, 2.6M engagements "Can you change your sleep schedule Are you an early bird or a night owl Explore how your circadian system acts as an internal clock to keep your body functioning. -- An early bird rises with the sun springing out of bed abuzz with energy. Meanwhile a night owl groggily rises much later not hitting their stride until late in the day. How many people are truly night owls or early birds And are our sleep schedules predetermined at birth or can we change them Explore how our circadian systems act as internal clocks to keep our bodies functioning properly. Directed by Avi Ofer. A special thanks to" [YouTube Link](https://youtube.com/watch?v=Amkg1cdDCpM) 2023-09-12T15:01Z 22.4M followers, 2.5M engagements "The Norse myth that inspired The Lord of the Rings - Iseult Gillespie Download a free audiobook version of The Lord of the Rings: The Fellowship of the Ring and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed -- The dwarves were master craftspeople. One dwarf Andvari forged marvelous creations. He often took the form of a fish and one day he swam to the land of the water nymphs who guarded mounds of gold. When the nymphs laughed at his appearance Andvari grew infuriated and seized their gold. With it he crafted himself a special ring. Iseult Gillespie shares the Norse myth" [YouTube Link](https://youtube.com/watch?v=ByCTeTI3SDg) 2021-10-28T15:00Z 22.4M followers, 3.5M engagements "How do investors choose stocks - Richard Coffin Explore the strategies investors use to choose stocks and learn whether its better to be an active or passive investor. -- Every day billions of stocks are traded on the New York Stock Exchange alone. But with over [-----] companies listed on stock exchanges around the world how do investors decide which stocks to buy And what do individuals and institutions achieve by investing in stocks Richard Coffin explores the tactics of different investing strategies. Lesson by Richard Coffin directed by Franz Palomares. Support Our Non-Profit Mission" [YouTube Link](https://youtube.com/watch?v=CMQLdJa64Wk) 2020-11-10T16:01Z 22.4M followers, 1.1M engagements "How to stay calm under pressure - Noa Kageyama and Pen-Pen Chen Download a free audiobook version of "The Boys on the Boat" and support TED-Ed's nonprofit mission: https://adbl.co/2Lf9Pa2 Check out our full book recommendation: http://bit.ly/2IDVLsY View full lesson: https://ed.ted.com/lessons/how-to-avoid-choking-under-pressure-noa-kageyama-and-pen-pen-chen Your favorite athlete closes in for a win; the crowd holds its breath and at the crucial moment . she misses the shot. That competitor just experienced the phenomenon known as choking where despite months even years of practice a person" [YouTube Link](https://youtube.com/watch?v=CqgmozFr_GM) 2018-05-21T15:01Z 22.4M followers, 9M engagements "What is vaginal discharge and what does it say about your health - Elizabeth Micks Explore what causes vaginal discharge whats a healthy baseline and how to identify when there are unhealthy changes in the fluids. -- Our bodies are constantly producing purging and recycling secretions to fulfill all sorts of functions. Our reproductive organs are no exception. Vaginas are engaged in ongoing cycles of fluid discharge. But it can be hard to know what is "normal" when theres a taboo in talking about it. So whats healthy discharge And when is there cause for concern Elizabeth Micks investigates." [YouTube Link](https://youtube.com/watch?v=FKUc8vg_Lus) 2026-02-05T16:00Z 22.4M followers, 155.8K engagements "How do your kidneys work - Emma Bryce Explore how kidneys operate and how this organ helps filter waste and excess fluid from your blood. -- After drinking a few glasses of water on a hot day you might be struck with a sudden . urge. Behind that feeling are two bean-shaped organs that work as fine-tuned internal sensors. Emma Bryce details how the incredible kidneys balance the amount of fluid in your body detect waste in your blood and know when to release the vitamins minerals and hormones you need to stay alive. Lesson by Emma Bryce animation by Tremendousness. View full lesson:" [YouTube Link](https://youtube.com/watch?v=FN3MFhYPWWo) 2015-02-09T16:07Z 22.4M followers, 2.9M engagements "Why you procrastinate even when it feels bad Explore what happens in the brain to trigger procrastination and what strategies you can use to break the cycle of this harmful practice. -- The report youve been putting off is due tomorrow. Its time to buckle down open your computer . and check your phone. Maybe watch your favorite YouTube channel Or maybe you should just start in the morning This is the cycle of procrastination. So why do we procrastinate when we know its bad for us Explore how your body triggers a procrastination response and how you can break the cycle. Directed by Vitalii" [YouTube Link](https://youtube.com/watch?v=FWTNMzK9vG4) 2022-10-27T15:01Z 22.4M followers, 10.8M engagements "How often should you get a flu shot - Melvin Sanicas Why do we need flu shots every year Dig into the science of flu viruses and what makes them different from other diseases. -- All year long researchers at hospitals around the world collect samples from flu patients and send them to top virology experts with one goal: to design the vaccine for the next flu season. But why do we need a new one every year Vaccines for diseases like mumps and rubella offer a lifetime of protection with two shots early in life; whats so special about the flu Melvin Sanicas explains. Lesson by Melvin Sanicas" [YouTube Link](https://youtube.com/watch?v=FZ_jNGKCIWs) 2017-11-20T16:04Z 22.4M followers, 1M engagements "The surprising effects of pregnancy Discover how pregnancy changes every organ in the body from the heart to the brain and kidneys and what we still dont know about it. -- Muscles and joints shift and jostle. The hearts pounding rhythm speeds up. Blood roars through arteries and veins. Over the course of a pregnancy every organ in the body changes. Initiated by a range of hormones these changes begin as soon as a pregnancy begins. Explore what we know and dont know about pregnancy's effects on the body and brain. Lesson by TED-Ed directed by Roxane Campoy and Charlotte Cambon. Animator's" [YouTube Link](https://youtube.com/watch?v=F_ssj7-8rYg) 2020-10-01T15:00Z 22.4M followers, 11.9M engagements "Can you survive nuclear fallout - Brooke Buddemeier and Jessica S. Wieder Explore the possibility of surviving a nuclear explosion and dig into a scientifically supported plan of action in case of a detonation. -- Nuclear weapons are some of the most powerful tools of destruction on Earth and the full scope of a nuclear detonation is almost unimaginable. However there is a scientifically supported plan of action that could save thousands of lives. What is this plan and what exactly would it protect us from Brooke Buddemeier and Jessica S. Wieder explore the possibility of surviving nuclear" [YouTube Link](https://youtube.com/watch?v=GHBb25lzNVM) 2019-01-08T16:01Z 22.4M followers, 2.2M engagements ""Jabberwocky": One of literature's best bits of nonsense Dive into Lewis Carrolls epic nonsense poem Jabberwocky from his novel "Through the Looking-Glass and What Alice Found There." -- As Alice wanders through the dreamscape of Looking-Glass Land in Lewis Carroll's "Through the Looking-Glass and What Alice Found There" she happens across a book written in an unintelligible language. Inside she discovers an epic poem filled with nonsense fearsome creatures and whimsical language. Dive into Carroll's legendary poem "Jabberwocky" and see if you can make sense of the nonsense. Poem by Lewis" [YouTube Link](https://youtube.com/watch?v=GLQos7-Vq8M) 2020-09-17T15:04Z 22.4M followers, 1.2M engagements "Particles and waves: The central mystery of quantum mechanics - Chad Orzel View full lesson: http://ed.ted.com/lessons/particles-and-waves-the-central-mystery-of-quantum-mechanics-chad-orzel One of the most amazing facts in physics is that everything in the universe from light to electrons to atoms behaves like both a particle and a wave at the same time. But how did physicists arrive at this mind-boggling conclusion Chad Orzel recounts the string of scientists who built on each others discoveries to arrive at this central mystery of quantum mechanics. Lesson by Chad Orzel animation by Joana" [YouTube Link](https://youtube.com/watch?v=Hk3fgjHNQ2Q) 2014-09-15T15:20Z 22.4M followers, 1.1M engagements "Is Chandigarh a perfectly planned city - Vikramditya Praksh Explore the construction of the futurist city Chandigarh a project of Prime Minister Jawaharlal Nehru and planned by Le Corbusier. -- In [----] India achieved independence from British rule but this freedom came at a tremendous cost. Jawaharlal Nehru Indias first Prime Minister was eager to usher his country towards a brighter united future. And one of the projects that would prove most essential to realizing this vision was the construction of Chandigarh. Vikramditya Praksh details the creation of the futurist city. Lesson by" [YouTube Link](https://youtube.com/watch?v=IfPYcfEM1Ck) 2024-02-08T16:01Z 22.4M followers, 605.5K engagements "The chaotic brilliance of artist Jean-Michel Basquiat - Jordana Moore Saggese Learn about the life of American artist Jean-Michel Basquiat from his start as part of graffiti duo SAMO to his rise as an internationally renowned painter. -- Like Beat writers who composed their work by shredding and reassembling scraps of writing artist Jean-Michel Basquiat used similar techniques to remix his materials. Pulling in splintered anatomy reimagined historical scenes and skulls he repurposed present day experiences and art history into an inventive visual language. Jordana Moore Saggese explores the" [YouTube Link](https://youtube.com/watch?v=JX02QQXfb_o) 2019-02-28T16:00Z 22.4M followers, 1.2M engagements "The power of vulnerability - Bren Brown Bren Brown studies human connection -- our ability to empathize belong love. In a poignant funny talk she shares a deep insight from her research one that sent her on a personal quest to know herself as well as to understand humanity. A talk to share. (Filmed at TEDxHouston.) Talk by Bren Brown. Brene Brown TED TEDx TEDxHouston humanity vulnerability emphathy belonging love human connection TED-Ed TED Ed TEDEducation Brene Brown TED TEDx TEDxHouston humanity vulnerability emphathy belonging love human connection TED-Ed TED Ed TEDEducation" [YouTube Link](https://youtube.com/watch?v=JjNtWRBdXws) 2013-07-10T20:36Z 22.4M followers, 220.7K engagements "The Egyptian myth of Isis and the seven scorpions - Alex Gendler Dive into the Egyptian myth of Isis a powerful goddess protecting her son from her murderous brother with the help of seven scorpions. -- A woman in rags emerged from a swamp flanked by seven giant scorpions and approached a magnificent mansion to beg for food. But the mistress of the house took one look at her grimy clothes and unusual companions and slammed the door in her face. Little did the mistress know the woman was no ordinary beggar but the most powerful goddess in Egypt. Alex Gendler details the myth of Isis. Lesson by" [YouTube Link](https://youtube.com/watch?v=JycXLG6GeYk) 2020-03-02T15:59Z 22.4M followers, 2.7M engagements "Did Shakespeare write his plays - Natalya St. Clair and Aaron Williams View full lesson: http://ed.ted.com/lessons/did-shakespeare-write-his-plays-natalya-st-clair-and-aaron-williams Some people question whether Shakespeare really wrote the works that bear his name or whether he even existed at all. Could it be true that the greatest writer in the English language was as fictional as his plays Natalya St. Clair and Aaron Williams show how a linguistic tool called stylometry might shed light on the answer. Lesson by Natalya St. Clair and Aaron Williams animation by Pink Kong Studios. TED" [YouTube Link](https://youtube.com/watch?v=K-aAUwAFZlQ) 2015-02-24T16:05Z 22.4M followers, 1.1M engagements "Why is ketchup so hard to pour - George Zaidan View full lesson: http://ed.ted.com/lessons/why-is-ketchup-so-hard-to-pour-george-zaidan Ever go to pour ketchup on your fries.and nothing comes out Or the opposite happens and your plate is suddenly swimming in a sea of red George Zaidan describes the physics behind this frustrating phenomenon explaining how ketchup and other non-Newtonian fluids can suddenly transition from solid to liquid and back again. Lesson by George Zaidan animation by TOGETHER. George Zaidan TOGETHER Hector Herrera ketchup ketchup fail how to pour ketchup physics" [YouTube Link](https://youtube.com/watch?v=KB43fM_ozKQ) 2014-04-08T15:00Z 22.4M followers, 3.3M engagements "What causes headaches - Dan Kwartler Download a free audiobook and support TED-Ed's nonprofit mission: https://adbl.co/2Hejwql Check out Oliver Sacks's "The Man Who Mistook His Wife for a Hat": http://bit.ly/2Hk8ShM View full lesson: https://ed.ted.com/lessons/what-causes-headaches-dan-kwartler In ancient Greece the best-known remedy for a long-standing headache was to drill a small hole in the skull to drain supposedly infected blood. Fortunately doctors today dont resort to power tools to cure headaches but we still have a lot to learn about this ancient ailment. Dan Kwartler shares what we" [YouTube Link](https://youtube.com/watch?v=KpHP8VmxnBo) 2018-04-12T15:01Z 22.4M followers, 7.6M engagements "A tour of the ancient Greek Underworld - Iseult Gillespie Download a free audiobook version of The Song of Achilles" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed -- Achilles just slain in the Trojan War arrives in the Underworld and is greeted by Sibyl of Cumae a prophetess and also the realms local guide. Though it gets a bad rap Sibyl is determined to prove to the newcomer that hell is actually a lovely place to live; bursting with historic charm and eccentric neighbors. Iseult Gillespie takes a tour of the Underworld and its most infamous inhabitants. Lesson by" [YouTube Link](https://youtube.com/watch?v=LBALm7CeEG4) 2023-10-24T15:00Z 22.4M followers, 1.2M engagements "How do you know you exist - James Zucker View full lesson: http://ed.ted.com/lessons/how-do-you-know-you-exist-james-zucker How do you know youre real Is existence all just a big dream Has some mad scientist duped us into simply believing that we exist James Zucker investigates all of these questions (and more) in this mind-boggling tribute to Ren Descartess "Meditations on First Philosophy." Lesson by James Zucker animation by Stretch Films Inc. James Zucker Stretch Films Descartes Rene Descartes Meditations On First Philosophy (Book) philosophy existence Existentialism (Literary School Or" [YouTube Link](https://youtube.com/watch?v=LmxlcJFTaYU) 2014-08-14T15:21Z 22.4M followers, 2.6M engagements "The woman who stared at the Sun - Alex Gendler Get to know the legacy of Hisako Koyama whose drawings of the Suns surface helped scientists reconstruct [---] years of sunspot activity. -- In [----] amateur astronomer Hisako Koyamas latest endeavor was sketching the Suns shifting surface. She spent weeks angling her telescope towards the Sun and tracking every change she saw with drawings. Little did she know these drawings were the start of one of the most important records of solar activity in human history. Alex Gendler details the incredible legacy of Koyama's work. Lesson by Alex Gendler" [YouTube Link](https://youtube.com/watch?v=LxM9PhcY_90) 2021-05-24T15:00Z 22.4M followers, 2.4M engagements "Why do we have museums - J. V. Maranto View full lesson: http://ed.ted.com/lessons/why-do-we-have-museums-j-v-maranto Museums have been a part of human history for over [----] years -- but they weren't always like the ones we visit today. J. V. Maranto uncovers the evolution of museums from the first museum in [---] BC (curated by a princess) to PT Barnums freak shows and beyond. Lesson by J. V. Maranto animation by Zedem Media. TED TED-Ed TEDx Museums Science Art Anthropology Natural history Iraq Sculpture Mosaic Muses Mesopotamia Ennigaldi-Nanna E-Gig-Par Gladiators Wunderkammers Menagerie" [YouTube Link](https://youtube.com/watch?v=MHo928fd2wE) 2015-02-05T16:13Z 22.4M followers, 613.5K engagements "The history of tattoos - Addison Anderson View full lesson: http://ed.ted.com/lessons/the-history-of-tattoos-addison-anderson If you have a tattoo youre part of a rich cultural history that dates back at least [----] years. Where did this practice of body modification come from and how has its function changed over time Addison Anderson tracks the history of getting inked. Lesson by Addison Anderson animation by The Think Blot. Addison Anderson Think Blot tattoo history of tattoo maori body modification TED TED-Ed TED Ed TEDEducation Addison Anderson Think Blot tattoo history of tattoo maori" [YouTube Link](https://youtube.com/watch?v=MYn15yDBvxM) 2014-09-18T15:07Z 22.4M followers, 2.4M engagements "When to use apostrophes - Laura McClure View full lesson: http://ed.ted.com/lessons/when-to-use-apostrophes-laura-mcclure Its possessive. Its often followed by Ss. And its sometimes tricky when it comes to its usage. Its the apostrophe. Laura McClure gives a refresher on when to use apostrophes in writing. Lesson by Laura McClure animation by Karrot Animation. Apostrophe Grammar Possession Contraction Sentence Writing Karrot Laura McClure Apostrophe Grammar Possession Contraction Sentence Writing Karrot Laura McClure" [YouTube Link](https://youtube.com/watch?v=My6oGvkHnfY) 2015-07-27T15:06Z 22.4M followers, 1.3M engagements "Can you solve the prisoner hat riddle - Alex Gendler View full lesson: http://ed.ted.com/lessons/can-you-solve-the-prisoner-hat-riddle-alex-gendler Want more Try the buried treasure riddle: https://www.youtube.com/watchv=tCeklW2e6_E You and nine other individuals have been captured by super-intelligent alien overlords. The aliens think humans look quite tasty but their civilization forbids eating highly logical and cooperative beings. Unfortunately theyre not sure whether you qualify so they decide to give you all a test. Can you solve this hat riddle Alex Gendler shows how. Lesson by Alex" [YouTube Link](https://youtube.com/watch?v=N5vJSNXPEwA) 2015-10-05T15:13Z 22.4M followers, 35.1M engagements "An unsung hero of the civil rights movement - Christina Greer Learn about the life of Bayard Rustin a leader in the Civil Rights Movement a gay rights activist and one of Martin Luther Kings closest advisors. -- In [----] Martin Luther King Jr. delivered his I Have a Dream speech at the March on Washington to nearly a quarter million people. None of it would have been possible without the marchs chief organizer a man named Bayard Rustin. Christina Greer details his life of advocacy as a leader in the Civil Rights Movement and the challenges he faced as an openly gay Black man. Lesson by" [YouTube Link](https://youtube.com/watch?v=NJcUnXTaCgU) 2019-02-21T16:00Z 22.4M followers, 512.5K engagements "How to speed up chemical reactions (and get a date) - Aaron Sams View full lesson: http://ed.ted.com/lessons/how-to-speed-up-chemical-reactions-and-get-a-date The complex systems of high school dating and chemical reactions may have more in common than you think. Explore five rules for speeding up chemical reactions in the lab that might just land you a date to a dance Lesson by Mark Paricio & Aaron Sams animation by Cognitive Media. Aaron Sams TED TED-Ed chemistry chemical reaction catalyst lab reaction science Cognitive Media TED Education Aaron Sams TED TED-Ed chemistry chemical reaction" [YouTube Link](https://youtube.com/watch?v=OttRV5ykP7A) 2012-06-18T14:20Z 22.4M followers, 2.4M engagements "The fight for the right to vote in the United States - Nicki Beaman Griffin View full lesson: http://ed.ted.com/lessons/the-fight-for-the-right-to-vote-in-the-united-states-nicki-beaman-griffin In the United States today if you are over eighteen a citizen and the resident of a state you can vote (with some exceptions). So how have voting rights changed since the first election in [----] Nicki Beaman Griffin outlines the history of the long fight for a more inclusive electorate. Lesson by Nicki Beaman Griffin animation by Flaming Medusa Studios. United States Of America (Country) Civics History" [YouTube Link](https://youtube.com/watch?v=P9VdyPbbzlI) 2013-11-05T16:05Z 22.4M followers, 849.7K engagements "Whats a squillo and why do opera singers need it - Ming Luke Discover the techniques opera singers use to project their voices over the orchestra and the importance of a singers squillo. -- An orchestra fills an opera house with music but a singers voice soars above the instruments. Its melody rings out across thousands of patrons all without any assistance from a microphone. How is it possible that a single voice can be heard so clearly The answer lies in the physics of the human voice. Ming Luke explains the carefully honed technique of an expert opera singer. Lesson by Ming Luke directed" [YouTube Link](https://youtube.com/watch?v=PKengo7y28U) 2020-03-09T15:01Z 22.4M followers, 620.1K engagements "Where we get our fresh water - Christiana Z. Peppard View full lesson: http://ed.ted.com/lessons/where-we-get-our-fresh-water-christiana-z-peppard Fresh water accounts for only 2.5% of Earth's water yet it is vital for human civilization. What are our sources of fresh water In the first of a two part series on fresh water Christiana Z. Peppard breaks the numbers down and discusses who is using it and to what ends. Lesson by Christiana Z. Peppard animation by Jeremy Collins. Jeremy Collins Christiana Peppard water fresh water drinking ocean ground polar surface h2o TEDEducation TED-Ed TED Ed" [YouTube Link](https://youtube.com/watch?v=Pz6AQXQGupQ) 2013-02-12T16:04Z 22.4M followers, 480.1K engagements "How to improve your singing Think Like A Musician Opera singer Denyce Graves-Montgomery shares how to find your voice range breath and ultimately your truth. -- "Think Like A Musician" connects you with working musicians who want to help the music-curious and music-passionate hone and share the gift of music with the world. Part interview part animated course our first season "Think Like A Performer" features artists sharing their insight on the ins and outs of fine-tuning your instrument and crafting a great performance. Each episode features free supplemental learning materials developed by" [YouTube Link](https://youtube.com/watch?v=QUQyf_irWlw) 2025-09-16T15:02Z 22.4M followers, 813.8K engagements "When is a pandemic over Explore the three strategies governments and communities can use to contain and end a pandemic and find out which method is best. -- Consider the following scenario: a highly infectious sometimes deadly respiratory virus infects humans for the first time. It spreads rapidly worldwide and the WHO declares a pandemic. The death toll starts to rise and everyone is asking the same question: when will the pandemic end Alex Rosenthal details the three main strategies governments can use to contain and end a pandemic. Lesson by Alex Rosenthal directed by Visorama. Animator's" [YouTube Link](https://youtube.com/watch?v=Qi0edf_nJDo) 2020-06-01T15:00Z 22.4M followers, 5.1M engagements "How playing an instrument benefits your brain - Anita Collins Check out our Patreon page: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/how-playing-an-instrument-benefits-your-brain-anita-collins When you listen to music multiple areas of your brain become engaged and active. But when you actually play an instrument that activity becomes more like a full-body brain workout. What's going on Anita Collins explains the fireworks that go off in musicians' brains when they play and examines some of the long-term positive effects of this mental workout. Lesson by Anita" [YouTube Link](https://youtube.com/watch?v=R0JKCYZ8hng) 2014-07-22T15:04Z 22.4M followers, 14.7M engagements "Four sisters in Ancient Rome - Ray Laurence Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter How did the young wealthy women of Ancient Rome spend their days Meet Domitia and her sister Domitia and her sister Domitia and her sister Domitia. Ray Laurence sketches the domestic life of leisure that these young girls lived despite little recorded information on women from this otherwise well-documented era. Lesson by Ray Laurence animation by Cognitive Media. Ancient Rome Rome history sisters women Rome Ancient Ray Laurence Cognitive Media TED-Ed TED Ed" [YouTube Link](https://youtube.com/watch?v=RQMgLxVxsrw) 2013-05-14T17:31Z 22.4M followers, 10.2M engagements "What do all languages have in common - Cameron Morin Dig into Noam Chomskys theory of universal grammar and decide: are there universal grammar rules and are they hardwired into our brains -- Language is endlessly variable. Each of us can come up with an infinite number of sentences in our native language and were able to do so from an early age almost as soon as we start to communicate in sentences. How is this possible In the early 1950s Noam Chomsky proposed a theory that the key to this versatility was grammar. Cameron Morin details Chomsky's theory of universal grammar. Lesson by Cameron" [YouTube Link](https://youtube.com/watch?v=RQW3zC5QaY4) 2020-06-29T15:00Z 22.4M followers, 891.7K engagements "How to write descriptively - Nalo Hopkinson View full lesson: http://ed.ted.com/lessons/how-to-write-fiction-that-comes-alive-nalo-hopkinson The point of fiction is to cast a spell a momentary illusion that you are living in the world of the story. But as a writer how do you suck your readers into your stories in this way Nalo Hopkinson shares some tips for how to use language to make your fiction really come alive. Lesson by Nalo Hopkinson animation by Enjoyanimation. TED TED-Ed TEDx TED Education Fiction Literature Nalo Hopkinson English literature Prose Writing Tactile language Non-tactile" [YouTube Link](https://youtube.com/watch?v=RSoRzTtwgP4) 2015-11-16T16:37Z 22.4M followers, 5.9M engagements "An athlete uses physics to shatter world records - Asaf Bar-Yosef View full lesson: http://ed.ted.com/lessons/an-athlete-uses-physics-to-shatter-world-records-asaf-bar-yosef When Dick Fosbury couldn't compete against the skilled high jumpers at his college he tried jumping in a different way -- backwards. Fosbury improved his record immediately and continued to amaze the world with his new technique all the way to Olympic gold. Asaf Bar-Yosef explains the physics behind the success of the now dominant Fosbury Flop. Lesson by Asaf Bar-Yosef animation by NEIGHBOR. Fosbury Flop Dick Fosbury" [YouTube Link](https://youtube.com/watch?v=RaGUW1d0w8g) 2014-02-18T16:41Z 22.4M followers, 2.2M engagements "Can humans be trusted with control over genetics - Michael Vazquez and Raye Ploeger Puzzle through this classic ethical dilemma and decide: should parents be able to choose genetic traits for their children -- Andre and Leslie are a deaf couple who have decided to have a child and theyre considering using a process to ensure deafness in their child. As deaf parents they feel they could provide better guidance to a child that would share their lived experience and grow up immersed in deaf culture. But is this genetic intervention ethical Michael Vazquez and Raye Ploeger explore this classic" [YouTube Link](https://youtube.com/watch?v=SgtdVWEBXOM) 2025-09-02T15:00Z 22.4M followers, 147.6K engagements "How big is a mole (Not the animal the other one.) - Daniel Dulek View full lesson here: http://ed.ted.com/lessons/daniel-dulek-how-big-is-a-mole-not-the-animal-the-other-one The word "mole" suggests a small furry burrowing animal to many. But in this lesson we look at the concept of the mole in chemistry. Learn the incredible magnitude of the mole--and how something so big can help us calculate the tiniest particles in the world. Lesson by Daniel Dulek animation by Augenblick Studios. TED-Ed TEDEducation TED Education Avogadro's Numer mole chemistry mol TED-Ed TEDEducation TED Education" [YouTube Link](https://youtube.com/watch?v=TEl4jeETVmg) 2012-09-11T21:59Z 22.4M followers, 2.8M engagements "Schrdinger's cat: A thought experiment in quantum mechanics - Chad Orzel View full lesson: http://ed.ted.com/lessons/schrodinger-s-cat-a-thought-experiment-in-quantum-mechanics-chad-orzel Austrian physicist Erwin Schrdinger one of the founders of quantum mechanics posed this famous question: If you put a cat in a sealed box with a device that has a 50% chance of killing the cat in the next hour what will be the state of the cat when that time is up Chad Orzel investigates this thought experiment. Lesson by Chad Orzel animation by Agota Vegso. Chad Orzel Agota Vegso Schrdinger's Cat physics" [YouTube Link](https://youtube.com/watch?v=UjaAxUO6-Uw) 2014-10-14T15:02Z 22.4M followers, 9.2M engagements "How ancient art influenced modern art - Felipe Galindo View full lesson: http://ed.ted.com/lessons/how-ancient-art-influenced-modern-art-felipe-galindo The term modern art sounds like it means art that is popular now but the style actually originated over [---] years ago and includes artists like Picasso Matisse and Gauguin. Whats more ironic is that this movement they pioneered considered revolutionary at the time was inspired largely by objects of traditional and ancient design. Felipe Galindo details ancient influences on modern art. Lesson by Felipe Galindo animation by TED-Ed. TED-Ed TED" [YouTube Link](https://youtube.com/watch?v=V9RrO0dtu5M) 2016-02-25T16:02Z 22.4M followers, 434.4K engagements "The science of macaroni salad: What's in a mixture - Josh Kurz View full lesson: http://ed.ted.com/lessons/the-science-of-macaroni-salad-what-s-in-a-mixture-josh-kurz What's in macaroni salad Break down the pasta mayonnaise vinegar mustard vegetables etc. and you're left with a bunch of molecules. Josh Kurz uses a delicious recipe to exemplify three types of mixtures (solution colloid and suspension) while reminding us that we're all made of the same stuff. Lesson and animation by Josh Kurz. macaroni salad how to make macaroni salad cooking recipe Josh Kurz chemistry colloid mixture" [YouTube Link](https://youtube.com/watch?v=Vt7lN4QPU0k) 2013-07-31T15:04Z 22.4M followers, 704.2K engagements "Why is glass transparent - Mark Miodownik View full lesson: http://ed.ted.com/lessons/why-is-glass-transparent-mark-miodownik If you look through your glasses binoculars or a window you see the world on the other side. How is it that something so solid can be so invisible Mark Miodownik melts the scientific secret behind amorphous solids. Lesson by Mark Miodownik animation by Provincia Studio. Mark Miodownik glass how to make glass amorphos solid science Provincia Studio TED-Ed TED Ed TEDEducation TED Mark Miodownik glass how to make glass amorphos solid science Provincia Studio TED-Ed TED Ed" [YouTube Link](https://youtube.com/watch?v=VwRLIt6jgdM) 2014-02-04T17:03Z 22.4M followers, 5M engagements "The art forger who tricked the Nazis - Noah Charney Discover how the notorious art forger Han van Meegeren tricked the world and the Nazis with his counterfeit Vermeer paintings. -- It was one of the strangest trials in Dutch history. The defendant in a [----] case was an art forger who had counterfeited millions of dollars worth of paintings. But he wasnt arguing his innocence in fact his life depended on proving that he had committed fraud. Who was this artist and why was he on trial for his life Noah Charney investigates the notorious Han van Meegeren. Lesson by Noah Charney directed by Hype" [YouTube Link](https://youtube.com/watch?v=Y5JdbuBe6SY) 2020-04-06T15:00Z 22.4M followers, 1.9M engagements "A brief history of chess - Alex Gendler Trace the storied history of the game of chess from its origins in 7th century India to the computer software we use today. -- The attacking infantry advances their elephants already having broken the defensive line. The king tries to retreat but the enemy flanks him from the rear. Escape is impossible. This isnt a real war nor is it just a game. Over the [----] years of its existence chess has been known as a military strategy tool a metaphor for human affairs and a measure of genius. Alex Gendler shares its history. Lesson by Alex Gendler directed by" [YouTube Link](https://youtube.com/watch?v=YeB-1F-UKO0) 2019-09-12T15:00Z 22.4M followers, 12.4M engagements "How to become a great singer Think Like A Musician Professional vocalists share how to give a great vocal performance by experimenting with styles training and taking care of your voice. -- "Think Like A Musician" connects you with working musicians who want to help the music-curious and music-passionate hone and share the gift of music with the world. Part interview part animated course our first season "Think Like A Performer" features artists sharing their insight on the ins and outs of fine-tuning your instrument and crafting a great performance. Each episode features free supplemental" [YouTube Link](https://youtube.com/watch?v=YtCpZnBhWZ0) 2025-10-30T15:00Z 22.4M followers, 135.2K engagements "Is it bad to hold your pee - Heba Shaheed Check out our Patreon page: patreon.com/teded View full lesson: http://ed.ted.com/lessons/is-it-bad-to-hold-your-pee-heba-shaheed Humans should urinate at least four to six times a day but occasionally the pressures of modern life force us to clench and hold it in. How bad is this habit and how long can our bodies withstand it Heba Shaheed takes us inside the bladder to find out. Lesson by Heba Shaheed animation by Artrake Studio. Heba Shaheed Artrak Studio Bladder what does the bladder do kidneys pelvic floor urethra urine body waste ureters how full" [YouTube Link](https://youtube.com/watch?v=Ze4Qmpq48AQ) 2016-10-10T15:02Z 22.4M followers, 9.6M engagements "What makes a language. a language - Martin Hilpert Dig into the distinction between a language and a dialect and uncover the history of standardized languages. -- Outside of China Mandarin and Cantonese are often referred to as Chinese dialects despite being even more dissimilar than Spanish and Italian. On the other hand speakers of Danish Norwegian and Swedish which are three distinct languages can usually communicate with each other in their native tongues. So when is speech considered a dialect versus a language Martin Hilpert investigates. Lesson by Martin Hilpert directed by Lusa M H" [YouTube Link](https://youtube.com/watch?v=_Z_FOtfKyfo) 2021-09-09T15:00Z 22.4M followers, 868.7K engagements "The tragedy of the one guy who was right about the Trojan Horse - Noah Charney Explore the famous depictions of the tale of Laocon who the gods punished for warning the Trojans about the Greeks' wooden horse. -- Laocon a seer and priest was deeply suspicious of the enormous wooden horse that the Greeks left in Troy and cautioned the Trojans not to accept this strange offering. But their fate was already sealed the gods granted the Greeks victory and punished the priest for threatening their success. Noah Charney explores how Laocons tragic tale inspired countless artists across the ancient" [YouTube Link](https://youtube.com/watch?v=_ZmTQIFA9fY) 2024-08-22T15:01Z 22.4M followers, 597.2K engagements "What is epigenetics - Carlos Guerrero-Bosagna View full lesson: http://ed.ted.com/lessons/how-the-choices-you-make-can-affect-your-genes-carlos-guerrero-bosagna Heres a conundrum: Identical twins originate from the same DNA . so how can they turn out so different even in traits that have a significant genetic component Carlos Guerrero-Bosagna explains that while nature versus nurture has a lot to do with it a deeper related answer can be found within something called epigenetics. Lesson by Carlos Guerrero-Bosagna animation by Chris Bishop. Carlos Guerrero-Bosagna Chris Bishop Epigenetics" [YouTube Link](https://youtube.com/watch?v=_aAhcNjmvhc) 2016-06-27T15:05Z 22.4M followers, 2.4M engagements "Whats the best way to lift people out of poverty Explore different poverty intervention and aid programs and how direct cash giving can address a community's needs. -- In [----] a nonprofit gave every adult in the Ahenyo village $500. Most families had lived in extreme poverty for generations and this sum was roughly equivalent to their annual salaries. The money came with no strings attached to how it could be spent. Would this lift villagers out of poverty or be another failed philanthropic endeavor Explore aid programs and how they address people's needs. Directed by Jolene Tan. Support Our" [YouTube Link](https://youtube.com/watch?v=_gTgloPR0Aw) 2025-10-23T15:01Z 22.4M followers, 1M engagements "What the oil industry doesnt want you to know - Stephanie Honchell Smith Uncover the oil industrys decades-long campaign to discredit climate change science regarding the danger of fossil fuels. -- Throughout the 1980s oil industry reps discussed the dangers of burning fossil fuels acknowledging the risk their product posed to the future of humanity. However instead of warning the public or pivoting towards renewable energy sources they doubled down on oil and launched a decades-long campaign to discredit climate change science. Stephanie Honchell Smith digs into Big Oil's tactics. Lesson by" [YouTube Link](https://youtube.com/watch?v=_vDZmVXtA7k) 2024-07-25T15:00Z 22.4M followers, 885.3K engagements "How false news can spread - Noah Tavlin Dive into the phenomenon known as circular reporting and how it contributes to the spread of false news and misinformation. -- In previous decades most news with global reach came from several major newspapers and networks with the resources to gather information directly. The speed with which information spreads now however has created the ideal conditions for something called circular reporting. Noah Tavlin sheds light on this phenomenon. Lesson by Noah Tavlin animation by Patrick Smith. Sign up for our newsletter: http://bit.ly/TEDEdNewsletter" [YouTube Link](https://youtube.com/watch?v=cSKGa_7XJkg) 2015-08-27T15:12Z 22.4M followers, 2.6M engagements "Will laser blasters ever be possible - Christopher Baird Learn more at https://brilliant.org/TedEd -- A fleet of rebel spaceships is greeted by a frenzy of laser blasts illuminating the sector with brilliant bursts of light. Science fiction has shown us scenes like this for decades but the lasers in our daily lives seem far less dazzling and destructive. So could sci-fi laser weaponry ever exist And how do lasers even work in the first place Christopher Baird investigates. Lesson by Christopher Baird directed by Igor ori Artrake Studio. This video made possible in collaboration with Brilliant" [YouTube Link](https://youtube.com/watch?v=cmO2ryQ8LcY) 2026-01-13T16:00Z 22.4M followers, 147.3K engagements "How squids outsmart their predators - Carly Anne York Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-squids-outsmart-their-predators-carly-anne-york There are about [---] species of squid and they live in all the worlds oceans making them a reliable food source for whales dolphins sharks seabirds fish - and even other squid. As a result the squid's most extraordinary adaptations are those that have evolved to help them thwart these predators. Carly Anne York explains how these stealthy cephalopods have mastered deep sea survival." [YouTube Link](https://youtube.com/watch?v=cpJlQo_65Ko) 2018-05-14T15:02Z 22.4M followers, 3M engagements "One of the most epic engineering feats in history - Alex Gendler Dig into the history of the construction of the iconic Brooklyn Bridge and how John Roebling designed a hybrid suspension system to build it. -- In the mid-19th century suspension bridges were collapsing all across Europe. Their industrial cables frayed and snapped under the weight of their decks. So when German American engineer John Roebling proposed building the largest and most expensive suspension bridge ever conceived New York City officials were understandably skeptical. Alex Gendler details the building of the iconic" [YouTube Link](https://youtube.com/watch?v=dyckL6HuLRU) 2020-02-11T16:00Z 22.4M followers, 1.6M engagements "Do you really need to take [-----] steps a day - Shannon Odell Discover the benefits of walking and how this simple exercise can positively impact the health of your body and brain. -- For years Jean Bliveau walked from country to country with the goal of circumnavigating the globe on foot. While few people have the time or desire to walk such extreme lengths research shows that adding even a modest amount of walking to your daily routine can dramatically improve your health. So what exactly happens to your body when you increase your step count Shannon Odell investigates. Lesson by Shannon" [YouTube Link](https://youtube.com/watch?v=eEWa7cpiyD8) 2025-01-02T16:01Z 22.4M followers, 9M engagements "Should you trust your first impression - Peter Mende-Siedlecki View full lesson: http://ed.ted.com/lessons/should-you-trust-your-first-impression-peter-mende-siedlecki You can't help it; sometimes you just get a bad feeling about someone that's hard to shake. So what's happening in your brain when you make that critical (and often lasting) first judgment Peter Mende-Siedlecki shares the social psychology of first impressions -- and why they may indicate that deep down people are basically good. Lesson by Peter Mende-Siedlecki animation by TOGETHER. Hector Herrera Together Peter" [YouTube Link](https://youtube.com/watch?v=eK0NzsGRceg) 2013-08-15T15:02Z 22.4M followers, 3.3M engagements "Why tragedies are alluring - David E. Rivas View full lesson: http://ed.ted.com/lessons/why-tragedies-are-alluring-david-e-rivas The story goes something like this: A royal rich or righteous individual who is otherwise a lot like us makes a mistake that sends his or her life spiraling into ruin. It's the classic story arc for a Greek tragedy and we love it so much that we continue to use it today. David E. Rivas shares three critical story components influenced by Aristotles Poetics to help illustrate the allure. Lesson by David E. Rivas animation by Globizco. Tragedy Tragic hero Greek" [YouTube Link](https://youtube.com/watch?v=eVRU5MVYNiw) 2015-07-09T15:12Z 22.4M followers, 753.3K engagements "Where do math symbols come from - John David Walters Sign up for our newsletter here: https://ed.ted.com/newsletter View full lesson: https://ed.ted.com/lessons/where-do-math-symbols-come-from-john-david-walters Math is full of symbols: lines dots arrows English letters Greek letters superscripts subscripts . it can look like an illegible jumble. Where did all of these symbols come from John David Walters shares the origins of mathematical symbols and illuminates why theyre still so important in the field today. Lesson by John David Walters directed by Chris Bishop. Thank you so much to our" [YouTube Link](https://youtube.com/watch?v=eVm063xmnow) 2017-10-30T15:02Z 22.4M followers, 2.7M engagements "The satisfying math of folding origami - Evan Zodl Dig into the mathematical rules and patterns of folding origami the ancient Japanese art of paper folding. -- Origami which literally translates to folding paper is a Japanese practice dating back to at least the 17th century. In origami a single traditionally square sheet of paper can be transformed into almost any shape purely by folding. The same simple concepts yield everything from a paper crane with about [--] steps to a dragon with over [----] steps. Evan Zodl explores the ancient art form. Lesson by Evan Zodl directed by Charlotte Arene." [YouTube Link](https://youtube.com/watch?v=etCW9M9VdGk) 2021-02-11T16:05Z 22.4M followers, 481.2K engagements "How did they build the Great Pyramid of Giza - Soraya Field Fiorio Explore how the ancient Egyptians built the Great Pyramid a tomb created for Pharaoh Khufu which took over [--] years to complete. -- As soon as Pharaoh Khufu ascended the throne circa [----] BCE work on his eternal resting place began. The structures architect Hemiunu determined he would need [--] years to finish the royal tomb. But what he could not predict was that this monument would remain the worlds tallest manmade structure for over [----] years. Soraya Field Fiorio digs into the construction of the Great Pyramid. Lesson by" [YouTube Link](https://youtube.com/watch?v=fJBlEPOj4Fk) 2022-10-13T15:01Z 22.4M followers, 1.8M engagements "Three anti-social skills to improve your writing - Nadia Kalman View full lesson: http://ed.ted.com/lessons/three-anti-social-skills-to-improve-your-writing-nadia-kalman You need social skills to have a conversation in real life -- but they're quite different from the skills you need to write good dialogue. Educator Nadia Kalman suggests a few "anti-social skills" like eavesdropping and muttering to yourself that can help you write an effective dialogue for your next story. Lesson by Nadia Kalman animation by Enjoyanimation. TEDEducation TED-Ed TED Ed Nadia Kalman enjoyanimation Joyce" [YouTube Link](https://youtube.com/watch?v=flthk8SNiiE) 2012-11-20T16:00Z 22.4M followers, 3.6M engagements "How smart are orangutans - Lu Gao View full lesson: http://ed.ted.com/lessons/how-smart-are-orangutans-lu-gao Along with humans orangutans belong to the Hominidae family tree which stretches back [--] million years. But its not just their striking red hair that makes orangutans unique among our great ape cousins. Lu Gao shares some amazing facts about these incredibly intelligent great apes from Asia. Lesson by Lu Gao animation by Anton Bogaty. Lu Gao Orangutan baby orangutan awesome nature conservation primates monkey behaviour chimps Indonesia poachers how smart are orangutans why are" [YouTube Link](https://youtube.com/watch?v=gFzqqaBA9wQ) 2016-08-30T15:00Z 22.4M followers, 4M engagements "The physics behind Einsteins most famous equation - Lindsay DeMarchi and Fabio Pacucci Learn more at https://brilliant.org/TedEd -- Ever since Einstein published his Special Theory of Relativity one equation has been the bane of humans hoping to explore the stars: E=mc. In addition to informing our understanding of gravity space and time this formula implies that traveling at or beyond light speed is impossible. Why is that Lindsay DeMarchi and Fabio Pacucci explain the physics behind this unbreakable speed limit. Lesson by Lindsay DeMarchi and Fabio Pacucci directed by Igor ori Artrake" [YouTube Link](https://youtube.com/watch?v=gkTVlYDB21g) 2025-06-24T15:01Z 22.4M followers, 368.1K engagements "How to prevent political corruption - Stephanie Honchell Smith Explore common types of corruption and find out what we can do to combat it and promote transparency in our institutions. -- Corruption is often defined as misuse of a position of power for personal gain. And while corruption in politics is nothing new it isnt limited to the political sphere; it can happen in schools sports businesses or religious institutions. So what exactly is corruption and what can we do to combat it Stephanie Honchell Smith explores the importance of transparency in building public trust. Lesson by Stephanie" [YouTube Link](https://youtube.com/watch?v=gn4S7lQ111M) 2024-04-11T15:01Z 22.4M followers, 799.1K engagements "How X-rays see through your skin - Ge Wang View full lesson: http://ed.ted.com/lessons/how-x-rays-see-through-your-skin-ge-wang Originally discovered by accident X-rays are now used about [---] million times a year in clinics around the world. How do these magic eyes work Ge Wang details the history and mechanics of the X-ray machine and CT scanners. Lesson by Ge Wang animation by Pink Kong Studios. Ge Wang Pink Kong Studios X-ray CT scan science physics how x-rays work TED TED-Ed TED Ed TEDEducation Ge Wang Pink Kong Studios X-ray CT scan science physics how x-rays work TED TED-Ed TED Ed" [YouTube Link](https://youtube.com/watch?v=gsV7SJDDCY4) 2015-06-22T15:14Z 22.4M followers, 2.3M engagements "One of the most banned books of all time - Mollie Godfrey Explore why Maya Angelous memoir I Know Why The Caged Bird Sings became one of the most frequently banned books of all time. -- In [----] a school district removed one of American literatures most acclaimed works from its curriculum. Parents pushing for the ban said the book was both sexually explicit and anti-white. The book at the center of this debate was Maya Angelous I Know Why The Caged Bird Sings. Why was the memoir so controversial Mollie Godfrey digs into one of the most banned books of all time. Lesson by Mollie Godfrey" [YouTube Link](https://youtube.com/watch?v=h2Aqa5e4CYY) 2023-02-21T16:01Z 22.4M followers, 856.5K engagements "Can you solve the cheating royal riddle - Dan Katz Practice more problem-solving at https://brilliant.org/TedEd/ -- Youre the chief advisor to an eccentric king who needs to declare his successor. He wants his heir to be good at arithmetic lucky and above all else honest. So hes devised a competition to test his children and ordered you to choose the winner. The future of the kingdom is in your hands. Can you find the worthiest successor Dan Katz shows how. Lesson by Dan Katz directed by Artrake Studio. Animator's website: https://www.artrake.com Sign up for our newsletter:" [YouTube Link](https://youtube.com/watch?v=hk9c7sJ08Bg) 2020-08-11T15:00Z 22.4M followers, 5.8M engagements "These squids can fly. no really - Robert Siddall Dive into the incredible flying capabilities of squids and how they use flight as a survival tactic. -- In [----] explorers noticed a strange phenomenon while crossing the Pacific Ocean. Somehow small squid known to live deep beneath the waves kept appearing on the roof of their boat. The crew was mystified until they saw the squids soaring above the sea for roughly [--] meters. How and why do these marine creatures take to the sky Robert Siddall explores the high-flying capabilities of cephalopods. Lesson by Robert Siddall directed by Matt" [YouTube Link](https://youtube.com/watch?v=iMq89roPycI) 2021-01-11T16:00Z 22.4M followers, 1.9M engagements "The history of chocolate - Deanna Pucciarelli View full lesson: http://ed.ted.com/lessons/the-history-of-chocolate-deanna-pucciarelli If you cant imagine life without chocolate youre lucky you werent born before the 16th century. Until then chocolate only existed as a bitter foamy drink in Mesoamerica. So how did we get from a bitter beverage to the chocolate bars of today Deanna Pucciarelli traces the fascinating and often cruel history of chocolate. Lesson by Deanna Pucciarelli animation by TED-Ed. TED TED-Ed TED Ed TEDEducation chocolate history of chocolate cacao cacao bean cocoa bean" [YouTube Link](https://youtube.com/watch?v=ibjUpk9Iagk) 2017-03-16T16:54Z 22.4M followers, 11M engagements "What staying up all night does to your brain - Anna Rothschild Explore how pulling an all-nighter can impact your cognitive function and find out what happens to your brain when you don't sleep. -- Youre just one history final away from a relaxing spring break. But you still have so much to study You decide to follow in the footsteps of many students before you and pull an all-nighter. So what happens to your brain when you stay up all night And does cramming like this actually help you prepare for a test Anna Rothschild explores how a sleepless night impacts your cognitive function. Lesson" [YouTube Link](https://youtube.com/watch?v=idrbwnWLJ7w) 2024-11-21T16:01Z 22.4M followers, 6.8M engagements "The true story behind the legend of the [--] Rnin - Adam Clulow Dig into one of Japans most infamous stories about the [--] samurai who take revenge for the loss of their leader. -- Asano Naganori lord of Ak domain fixed his gaze on Kira Yoshinaka a senior master of ceremony. Asano extended his short sword charged through the castle and struck Kira. While the wound wasnt fatal its consequences would be. What brought about this violent quarrel And what would come of Asano and his samurai Adam Clulow shares the legend of the [--] Rnin and their quest for revenge. Lesson by Adam Clulow directed by" [YouTube Link](https://youtube.com/watch?v=ilQKTIu2V1E) 2024-04-09T15:00Z 22.4M followers, 577K engagements "Platos best (and worst) ideas - Wisecrack View full lesson: http://ed.ted.com/lessons/plato-s-best-and-worst-ideas-wisecrack Check out Wisecrack's YouTube channel here: https://goo.gl/A5vb5K Few individuals have influenced the world and many of todays thinkers like Plato. He created the first Western university and was teacher to Ancient Greeces greatest minds including Aristotle. But even he wasnt perfect. Along with his great ideas Plato had a few that havent exactly stood the test of time. Wisecrack gives a brief rundown of a few of Platos best and worst ideas. Lesson by Wisecrack" [YouTube Link](https://youtube.com/watch?v=jLesc5lITvo) 2016-10-25T15:01Z 22.4M followers, 5.1M engagements "Why are earthquakes so hard to predict - Jean-Baptiste P. Koehl Take a look at the theories behind why earthquakes occur what makes them so hard to predict and the warning system technologies we rely on today. -- In [---] CE Zhang Heng presented his latest invention: a large vase he claimed could tell them whenever an earthquake occurredfor hundreds of miles.Today we no longer rely on pots as warning systems but earthquakes still offer challenges to those trying to track them. Why are earthquakes so hard to anticipate and how could we get better at predicting them Jean-Baptiste P. Koehl" [YouTube Link](https://youtube.com/watch?v=jhRuUoTnA6g) 2019-04-08T15:00Z 22.4M followers, 1.4M engagements "Why do we cry The three types of tears - Alex Gendler Check out our Patreon page: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/why-do-we-cry-the-three-types-of-tears-alex-gendler Whether we cry during a sad movie while chopping onions or completely involuntarily our eyes are constantly producing tears. Alex Gendler tracks a particularly watery day in the life of Iris (the iris) as she cycles through basal reflex and emotional tears. Lesson by Alex Gendler animation by The Moving Company Animation Studio. Alex Gendler The Moving Company Animation Studio Iris eye" [YouTube Link](https://youtube.com/watch?v=keMF8YzQoRM) 2014-02-26T17:23Z 22.4M followers, 7M engagements "How we see color - Colm Kelleher View full lesson: http://ed.ted.com/lessons/how-we-see-color-colm-kelleher There are three types of color receptors in your eye: red green and blue. But how do we see the amazing kaleidoscope of other colors that make up our world Colm Kelleher explains how humans can see everything from auburn to aquamarine. Talk by Colm Kelleher animation by TED-Ed. retina eye primary colors frequency light Colm Kelleher Jeremiah Dickey TEDEducation TED-Ed TED Ed retina eye primary colors frequency light Colm Kelleher Jeremiah Dickey TEDEducation TED-Ed TED Ed" [YouTube Link](https://youtube.com/watch?v=l8_fZPHasdo) 2013-01-08T16:27Z 22.4M followers, 1.6M engagements Limited data mode. Full metrics available with subscription: lunarcrush.com/pricing
@teded TED-Ed
TED-Ed posts on YouTube about education, animation, history, science the most. They currently have [----------] followers and [----] posts still getting attention that total [-------] engagements in the last [--] hours.
Engagements: [-------] #
- [--] Week [---------] +4%
- [--] Month [----------] +15%
- [--] Months [-----------] +28%
- [--] Year [-----------] +87%
Mentions: [---] #
- [--] Week [-----] +6.90%
- [--] Month [-----] +5.20%
- [--] Months [-----] +10%
- [--] Year [-----] +74%
Followers: [----------] #
- [--] Week [----------] no change
- [--] Month [----------] +0.45%
- [--] Months [----------] +2.80%
- [--] Year [----------] +6.20%
CreatorRank: [-------] #
Social Influence
Social category influence countries 16.16% travel destinations 7.34% finance 5.44% technology brands 1.9% social networks 1.15% celebrities 0.99% stocks 0.99% automotive brands 0.82% musicians 0.58% exchanges #4736
Social topic influence education #818, animation #1607, history #3282, science #1946, health #2932, how to 8.57%, the world #4639, can you #1549, solve #513, check 5.11%
Top accounts mentioned or mentioned by @vibeattractor @breland @gracebowers @voguesfashionvault @info @tonysuccar @godmoneycode @thehiddenpast987 @davidarchie @immerseeducation @ucuvfxz23tf6dadwjyrduw @bonniemckeeofficial @taylaparx @oceanx @nunesbobby @astrowala @mathsphysicslovers @learningjunction @ilknuuuracar @educationfusion
Top Social Posts
Top posts by engagements in the last [--] hours
"The dark history of the overthrow of Hawaii - Sydney Iaukea Get to know the story of Queen Liliuokalani the last queen of Hawaii and how she fought the US annexation of the islands. -- On January 16th [----] two men arrived at Liliuokalanis door arrested her and imprisoned her. The Missionary Party had recently seized power and now confiscated her diaries ransacked her house and claimed her lands. Liliuokalani was Hawaiis queen and she ruled through one of the most turbulent periods of its history. Sydney Iaukea shares how the ruler fought the annexation of Hawaii. Lesson by Sydney Iaukea"
YouTube Link 2022-02-17T16:01Z 22.4M followers, 1.3M engagements
"The surprising origins of the word lesbian - Diane J. Rayor Discover the works of poet and songwriter Sappho and find out why only fragments of her poetry still survive. -- Over [----] years ago one of ancient Greeces most celebrated popstars and erotic poets enraptured listeners. The singer-songwriter offered a uniquely intimate perspective on love passion and longing and was the first on record to combine the words bitter and sweet to describe the ups and downs of romance. So who was this revered figure Diane J. Rayor uncovers the writings of Sappho. Lesson by Diane J. Rayor directed by Amir"
YouTube Link 2021-09-30T15:00Z 22.4M followers, 841.9K engagements
"Why bats don't get sick - Arinjay Banerjee Explore the relationship between viruses and their hosts and find out how the evolutionary adaptations of bats keep them safe from viruses. -- Consider a bat that is infected with several deadly viruses including ones that cause rabies SARS and Ebola. While this diagnosis would be lethal for other mammals the winged wonder is totally unfazed and may even spend the next [--] years living as if this were totally normal because for bats it is. So whats protecting bats from these dangerous infections Arinjay Banerjee investigates. Lesson by Arinjay"
YouTube Link 2021-01-26T16:01Z 22.4M followers, 1.5M engagements
"Can loud music damage your hearing - Heather Malyuk Dig into the properties of sound to find out just how bad loud music is for your hearing. -- After a concert you find it difficult to hear your friend rave about the show. It sounds like they're speaking from across the room and its tough to make out their voice over the ringing in your ears. But by the next morning the effect has mostly worn off. So what caused these symptoms And can you go to concerts without damaging your ears Heather Malyuk explores the properties of sound. Lesson by Heather Malyuk directed by Anne Beal. Support Our"
YouTube Link 2021-03-02T16:00Z 22.4M followers, 768.1K engagements
"The genes you don't get from your parents (but can't live without) - Devin Shuman Dig into the essential role that mitochondrial DNA played in the evolution of living things on Earth and find out why its still evolving. -- Inside our cells each of us has a second set of genes completely separate from our [--] pairs of chromosomes. And this isnt just true for humans its true of every animal plant and fungus on Earth. This second genome belongs to our mitochondria an organelle inside our cells. So why are they so different from anything else in our bodies Devin Shuman explores the purpose of"
YouTube Link 2021-10-05T15:00Z 22.4M followers, 2.3M engagements
"The real story behind Archimedes Eureka - Armand D'Angour View full lesson: http://ed.ted.com/lessons/the-real-story-behind-archimedes-eureka-armand-d-angour When you think of Archimedes Eureka moment you probably imagine a man in a bathtub right As it turns out there's much more to the story. Armand D'Angour tells the story of Archimedes' biggest assignment -- an enormous floating palace commissioned by a king -- that helped him find Eureka. Lesson by Armand D'Angour animation by Zedem Media. TED TED-Ed TED Ed TEDEducation Armand D'Angour Zedem Media animation educational animation Eureka"
YouTube Link 2015-03-13T16:28Z 22.4M followers, 4.4M engagements
"Platos Allegory of the Cave - Alex Gendler View full lesson: http://ed.ted.com/lessons/plato-s-allegory-of-the-cave-alex-gendler Twenty four hundred years ago Plato one of historys most famous thinkers said life is like being chained up in a cave forced to watch shadows flitting across a stone wall. Beyond sounding quite morbid what exactly did he mean Alex Gendler unravels Plato's Allegory of the Cave found in Book VII of "The Republic." Lesson by Alex Gendler animation by Stretch Films Inc. TED TED-Ed TED Ed TEDEducation Alex Gendler Stretch Films Plato Philosophy Allegory of the Cave"
YouTube Link 2015-03-17T15:06Z 22.4M followers, 8M engagements
"Can you solve "Einsteins Riddle" - Dan Van der Vieren View full lesson: http://ed.ted.com/lessons/can-you-solve-einstein-s-riddle-dan-van-der-vieren View all the clues here: http://ed.ted.com/lessons/can-you-solve-einstein-s-riddle-dan-van-der-vieren#digdeeper Before he turned physics upside down a young Albert Einstein supposedly showed off his genius by devising a complex riddle involving a stolen exotic fish and a long list of suspects. Can you resist tackling a brain teaser written by one of the smartest people in history Dan Van der Vieren shows how. Lesson by Dan Van der Vieren"
YouTube Link 2015-11-30T16:03Z 22.4M followers, 13.4M engagements
"The dark history of the Chinese Exclusion Act - Robert Chang Dig into the Chinese Exclusion Act of [----] which suspended Chinese immigration to the U.S. and blocked Chinese immigrants from citizenship. -- In [----] the United States Congress passed the Chinese Exclusion Act the first federal law that restricted immigration based explicitly on nationality. In practice the Act banned entry to all ethnically Chinese immigrants besides diplomats and prohibited existing immigrants from obtaining citizenship. Robert Chang details the lasting impact the Act had on immigrant rights and freedoms. Lesson"
YouTube Link 2021-07-01T15:01Z 22.4M followers, 1.3M engagements
"The sharks that hunt in forests - Luka Seamus Wright Discover the unique adaptations of marine forests the ecosystems that provide food and shelter for sharks and diverse coastal species. -- Forests dont usually come to mind as a habitat for sharks. But marine forests provide a home for 35% of the worlds sharks. Mangrove forests in particular function as an essential bridge between land and sea and have evolved various adaptations that protect them and their resident sharks. Luka Seamus Wright explores these unique and vital ecosystems. Lesson by Luka Seamus Wright directed by William"
YouTube Link 2021-06-14T15:00Z 22.4M followers, 863.1K engagements
"How do animals experience pain - Robyn J. Crook View full lesson: http://ed.ted.com/lessons/how-do-animals-experience-pain-robyn-j-crook Humans know the surprising prick of a needle the searing pain of a stubbed toe and the throbbing of a toothache. We can identify many types of pain and have multiple ways of treating it but what about other species How do the animals all around us experience pain Robyn J. Crook examines pain in both vertebrate and invertebrate animals. Lesson by Robyn J. Crook animation by Anton Bogaty. TED TED Education TED-Ed TED Ed Robyn J. Crook Anton Bogaty pain animals"
YouTube Link 2017-01-17T16:01Z 22.4M followers, 3.9M engagements
"The mysterious workings of the adolescent brain - Sarah-Jayne Blakemore View full lesson: http://ed.ted.com/lessons/the-mysterious-workings-of-the-adolescent-brain-sarah-jayne-blakemore Why do teenagers seem so much more impulsive so much less self-aware than grown-ups Cognitive neuroscientist Sarah-Jayne Blakemore compares the prefrontal cortex in adolescents to that of adults to show us how typically "teenage" behavior is caused by the growing and developing brain. Talk by Sarah-Jayne Blakemore. Sarah-Jayne Blakemore cognition neuroscience prefrontal cortex adolescent brain adult teenage"
YouTube Link 2013-06-01T14:50Z 22.4M followers, 273.8K engagements
"Questions No One Knows the Answers to (Full Version) Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter In the first of a new TED-Ed series designed to catalyze curiosity TED Curator Chris Anderson shares his boyhood obsession with quirky questions that seem to have no answers. (Introducing the series "Questions no one knows the answers to") "Questions No One Knows the Answers to" was animated by Andrew Park (http://www.cognitivemedia.co.uk) Philosophy and Religion Questions Answers Chris Anderson Curiosity Philosophy Religion TED TED-Ed TED Education Andrew"
YouTube Link 2012-03-17T16:01Z 22.4M followers, 30.3M engagements
"The Artists Think Like A Coder Ep [--] The adventure continues Episode 5: Ethic and Hedge arrive in the 198forest in search of the second artifact. Can they sneak past the guards to get to the tower -- This is episode [--] of our animated series Think Like A Coder. This 10-episode narrative follows a girl Ethic and her robot companion Hedge as they attempt to save the world. The two embark on a quest to collect three artifacts and must solve their way through a series of programming puzzles. Lesson by Alex Rosenthal directed by Kozmonot Animation Studio. Supported by Endless:"
YouTube Link 2020-01-13T16:00Z 22.4M followers, 470.2K engagements
"From enslavement to rebel gladiator: The life of Spartacus - Fiona Radford Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter View full lesson: https://ed.ted.com/lessons/from-slave-to-rebel-gladiator-the-life-of-spartacus-fiona-radford Spartacus was enslaved one of millions taken from territories conquered by Rome to work the mines till the fields or fight for a crowds entertainment. Imprisoned for deserting the Roman Army he and other enslaved people fought their way free and started a rebellion. How did an enslaved man become synonymous with freedom and"
YouTube Link 2018-12-17T16:01Z 22.4M followers, 6.5M engagements
"Why should you read Edgar Allan Poe - Scott Peeples Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-should-you-read-edgar-allan-poe-scott-peeples The prisoner strapped under a descending pendulum blade. A raven who refuses to leave the narrators chamber. A beating heart buried under the floorboards. Poes macabre and innovative stories of gothic horror have left a timeless mark on literature. But just what is it that makes Edgar Allan Poe one of the greatest American authors Scott Peeples investigates. Lesson by Scott Peeples directed"
YouTube Link 2018-09-18T15:00Z 22.4M followers, 2.6M engagements
"Zen kans: Unsolvable enigmas designed to break your brain - Puqun Li Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/zen-koans-unsolvable-enigmas-designed-to-break-your-brain-puqun-li How do we explain the unexplainable This question has inspired numerous myths religious practices and scientific inquiries. But Zen Buddhists practicing throughout China from the 9th to 13th century asked a different question why do we need an explanation Puqun Li details the bewildering and ambiguous philosophical thought experiments these Buddhists called"
YouTube Link 2018-08-16T14:59Z 22.4M followers, 3.2M engagements
"Can you solve the Mondrian squares riddle - Gordon Hamilton Practice more problem-solving at https://brilliant.org/TedEd/ Dutch artist Piet Mondrians abstract rectangular paintings inspired mathematicians to create a two-fold challenge. Can you solve the puzzle and get to the lowest score possible Gordon Hamilton shows how. Lesson by Gordon Hamilton directed by Anton Trofimov. Thank you so much to our patrons for supporting us on Patreon Without you this video would not be possible Bozhidar Karaargirov maxi kobi einy Misaki Sato Craig Sheldon Andrew Bosco Catherine Sverko Nik Maier Mark"
YouTube Link 2018-06-28T15:00Z 22.4M followers, 1.2M engagements
"How long should your naps be - Sara C. Mednick Download a free audiobookversionof "Take a Nap: Change Your Life" by Sara Mednick or Matthew Walker's "Why We Sleep" and support TED-Ed's nonprofit mission:https://www.audible.com/ted-ed -- Your eyes get heavy and gradually close But wait Its only lunch time and you still have so much to do. Would taking a nap help Or would it derail your day Well that depends on a few things especially what stages of sleep the nap includes. Sara C. Mednick details the cognitive benefits of napping and explores the optimal length and time of day for a quick"
YouTube Link 2021-04-29T15:01Z 22.4M followers, 5.9M engagements
"The science behind the myth: Homer's "Odyssey" - Matt Kaplan View full lesson: http://ed.ted.com/lessons/the-science-behind-the-myth-homer-s-odyssey-matt-kaplan Homer's "Odyssey" recounts the adventures of the Greek hero Odysseus during his journey home from the Trojan War. Though some parts may be based on real events the encounters with monsters giants and magicians are considered to be complete fiction. But might there be more to these myths than meets the eye Matt Kaplan explains why there might be more reality behind the "Odyssey" than many realize. Lesson by Matt Kaplan animation by"
YouTube Link 2015-11-10T16:00Z 22.4M followers, 3M engagements
"The mystery of chronic pain - Elliot Krane View full lesson: http://ed.ted.com/lessons/the-mystery-of-chronic-pain-elliot-krane We think of pain as a symptom but there are cases where the nervous system develops feedback loops and pain becomes a terrifying disease in itself. Starting with the story of a girl whose sprained wrist turned into a nightmare Elliot Krane talks about the complex mystery of chronic pain and reviews the facts we're just learning about how it works and how to treat it. Talk by Elliot Krane. Elliot Krane pain chronic pain how works migraine nervous system nerves TED TED"
YouTube Link 2013-03-31T15:03Z 22.4M followers, 256.4K engagements
"How do antidepressants work - Neil R. Jeyasingam Dig into the discovery of antidepressant drugs how they work and what we still dont know about depression. -- In the 1950s the discovery of two new drugs sparked what would become a multi-billion dollar market for antidepressants. Neither drug was intended to treat depression at all many doctors and scientists believed psychotherapy was the only approach to treatment. Neil R. Jeyasingam details the decades-long journey that followed and how it revolutionized our understanding of depression. Lesson by Neil R. Jeyasingam directed by Skirmanta"
YouTube Link 2021-03-18T15:01Z 22.4M followers, 4.6M engagements
"Building the impossible: Golden Gate Bridge - Alex Gendler Explore the construction of Californias Golden Gate Bridge and dig into the engineering innovations that made the structure possible. -- Stretching [---] meters tall two towers were assembled to support Californias Golden Gate Bridge. They were just one of the challenges facing engineers Charles Ellis and Joseph Strauss. Even before construction began many thought the project impossible: the strait was home to powerful winds constant fog and earthquakes. So how was this iconic bridge created Alex Gendler details the feat. Lesson by Alex"
YouTube Link 2022-02-22T16:30Z 22.4M followers, 912K engagements
"Who won the space race - Jeff Steers View full lesson: http://ed.ted.com/lessons/what-was-the-point-of-the-space-race-jeff-steers On October [--] [----] the Soviet Union launched the satellite Sputnik and with it an international space race. The United States and the Soviet Union rushed to declare dominance of space for [--] years until the two countries agreed to a more collaborative model. The real winner Science. Jeff Steers describes the history -- and the benefits -- of the space race. Lesson by Jeff Steers animation by The Moving Company Animation Studio. Jeff Steers The Moving Company"
YouTube Link 2013-08-14T15:22Z 22.4M followers, 1.7M engagements
"How to defeat a dragon with math - Garth Sundem View full lesson: http://ed.ted.com/lessons/how-to-defeat-a-dragon-with-math-garth-sundem Having trouble remembering the order of operations Let's raise the stakes a little bit. What if the future of your (theoretical) kingdom depended on it Garth Sundem creates a world in which PEMDAS is the hero but only heroic when in the proper order. Lesson by Garth Sundem animation by Mark Phillips. Garth Sundem PEMDAS order of operations mathematics pi substraction adding multiplication division parantheses exponent math TEDEducation TED-Ed TED Ed Garth"
YouTube Link 2013-01-15T16:00Z 22.4M followers, 4.9M engagements
"Why was bloodletting so popular - Stephanie Honchell Smith Trace the history of bloodletting a medical practice dating back to ancient Greece and its continued use into the 19th century. -- Bloodletting was a pervasive medical practice that dates as far back as ancient Greece and continued well into the 19th century. Physicians like Hippocrates believed bad health could be attributed to a fluid imbalance and recommended bloodletting to help reset the body's balance. So why did bloodletting stick around so long Stephanie Honchell Smith digs into its popularity and shortcomings. Lesson by"
YouTube Link 2025-06-17T15:00Z 22.4M followers, 276.7K engagements
"How does your brain respond to pain - Karen D. Davis View full lesson: http://ed.ted.com/lessons/how-does-your-brain-respond-to-pain-karen-d-davis Ouch Everyone experiences pain -- but why do some people react to the same painful stimulus in different ways And what exactly is pain anyway Karen D. Davis walks you through your brain on pain illuminating why the "pain experience" differs from person to person. Lesson by Karen D. Davis animation by Brett Underhill. Brett Underhill Karen Davis brain pain body painful brain and pain pain experience why do we feel pain feel pain TED TED-Ed TED Ed"
YouTube Link 2014-06-02T15:01Z 22.4M followers, 2.9M engagements
"What makes a poem a poem - Melissa Kovacs View full lesson: http://ed.ted.com/lessons/what-makes-a-poem-a-poem-melissa-kovacs What exactly makes a poem a poem Poets themselves have struggled with this question often using metaphors to approximate a definition. Is a poem a little machine A firework An echo A dream Melissa Kovacs shares three recognizable characteristics of most poetry. Lesson by Melissa Kovacs animation by Ace & Son Moving Picture Co. LLC. #poetry TED TED-Ed TED Ed TED Education Ace & Son Moving Picture Co. Melissa Kovacs poetry lyric art song haiku E. E. Cummings Muhammad Ali"
YouTube Link 2017-03-20T15:06Z 22.4M followers, 4.4M engagements
"The myth of Ireland's most infamous love triangle - Iseult Gillespie Dig into the tragic myth of Tristan and Princess Isolde and how they fall in love despite her being promised to another. -- After witnessing a bird carrying a single golden hair King Mark of Cornwall declared his future bride must have equally radiant locks. The only royal matching this description was Princess Isolde of Ireland. So the king sent Tristan his bravest knight to extend an olive branch to the royal family and deliver his proposal of marriage. Iseult Gillespie shares the tale of Tristan and Isolde. Lesson by"
YouTube Link 2025-02-11T16:00Z 22.4M followers, 483.1K engagements
"How one person saved over [----] children from the Nazis - Iseult Gillespie Get to know the story of Irena Sendler a social worker who saved over [----] Jewish children from the Warsaw Ghetto during WWII. -- In [----] Irena Sendler and Janina Grabowska froze when they heard Gestapo pounding on the front door. Knowing she was minutes from arrest Irena tossed Janina her most dangerous possession: a glass jar containing the names of over [----] Jewish children shed smuggled to safety from the Warsaw Ghetto. Who was this courageous woman Iseult Gillespie details the life and legacy of Irena Sendler."
YouTube Link 2021-06-28T15:00Z 22.4M followers, 2.2M engagements
"The myth of Jason Medea and the Golden Fleece - Iseult Gillespie Follow Jason as he attempts to steal the Golden Fleece from King Aeetes and enlists the help of the king's daughter Medea. (Part Two of the myth of Jason and the Argonauts) -- In Colchis the hide of a mystical flying ram hangs from the tallest oak guarded by a dragon who never sleeps. The only way Jason can pry it from King Aeetes clutches and win back his promised throne is by facing three perilous tasks without the help of the Argonauts. Unbeknownst to the king his daughter Medea was plotting something. Iseult Gillespie shares"
YouTube Link 2020-07-21T14:59Z 22.4M followers, 1.5M engagements
"How atoms bond - George Zaidan and Charles Morton View full lesson: http://ed.ted.com/lessons/how-atoms-bond-george-zaidan-and-charles-morton Atoms can (and do) bond constantly; it's how they form molecules. Sometimes in an atomic tug-of-war one atom pulls electrons from another forming an ionic bond. Atoms can also play nicely and share electrons in a covalent bond. From simple oxygen to complex human chromosome [--] George Zaidan and Charles Morton break down the humble chemical bond. Lesson by George Zaidan and Charles Morton animation by Bevan Lynch"
YouTube Link 2013-10-15T17:15Z 22.4M followers, 1.4M engagements
"Is marijuana bad for your brain - Anees Bahji Explore how marijuanas two main active compounds THC and CBD affect your brain and body and what risk factors to watch out for. -- In [----] marijuana was classified as a schedule [--] drug in the United States: the strictest designation possible meaning it was completely illegal and had no recognized medical uses. Today marijuanas therapeutic benefits are widely acknowledged but a growing recognition for its medical value doesnt answer the question: is recreational marijuana use bad for your brain Anees Bahji investigates. Lesson by Anees Bahji"
YouTube Link 2019-12-02T16:01Z 22.4M followers, 10.7M engagements
"The myth of Medusa TED-Ed has launched its first ever physical game: Pandora's Legacy Learn more and get your copy here: https://ed.ted.com/pandora -- Medusa transformed into a monstrous Gorgon by a wrathful Athena sought refuge in a hidden cave. Time after time would-be heroes journeyed to the cave to make their names by murdering Medusa but fell to her gaze every time. Until another young man Perseus began his quest for glory. Laura Aitken-Burt shares the myth of Medusa and her infamous power to petrify. Lesson by Laura Aitken-Burt directed by Yael Reisfeld. Support Our Non-Profit Mission"
YouTube Link 2025-05-01T15:00Z 22.4M followers, 788.6K engagements
"How your digestive system works - Emma Bryce Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-your-digestive-system-works-emma-bryce Across the planet humans eat on average between [--] and [---] kilograms of food a day and every last scrap makes its way through the digestive system. Comprised of ten organs covering nine meters this is one of the most complicated systems in the body. Emma Bryce explains how the different parts of the digestive system work to transform your food into the nutrients and energy that keep you alive. Lesson by"
YouTube Link 2017-12-14T16:01Z 22.4M followers, 13.3M engagements
"The Nazis recruited to win the Cold War - Brian Crim Dig into Operation Paperclip a secret intelligence program which brought scientists from Nazi Germany to the US after WWII. -- In May of [----] the Third Reich was in chaos. Adolf Hitler was dead and German surrender was imminent. But while World War II was almost over a new war was brewing. And the US was eager to recruit the smartest minds in Germany before the Soviets got the chance regardless of their affiliation with the Nazis. This became known as Operation Paperclip. Brian Crim digs into the clandestine campaign. Lesson by Brian Crim"
YouTube Link 2024-04-16T15:00Z 22.4M followers, 667.1K engagements
"Does time exist - Andrew Zimmerman Jones Download a free audiobook version of "A Brief History of Time" and support TED-Ed's nonprofit mission: https://adbl.co/2NWYjAh Check out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/a-brief-history-of-time View full lesson: https://ed.ted.com/lessons/does-time-exist-andrew-zimmerman-jones The earliest time measurements were observations of cycles of the natural world using patterns of changes from day to night and season to season to build calendars. More precise time-keeping eventually came"
YouTube Link 2018-10-23T15:00Z 22.4M followers, 7.9M engagements
"The philosophy of Stoicism - Massimo Pigliucci View full lesson: http://ed.ted.com/lessons/the-philosophy-of-stoicism-massimo-pigliucci What is the best life we can live How can we cope with whatever the universe throws at us and keep thriving nonetheless The ancient Greco-Roman philosophy of Stoicism explains that while we may not always have control over the events affecting us we can have control over how we approach things. Massimo Pigliucci describes the philosophy of Stoicism. Lesson by Massimo Pigliucci animation by Compote Collective. TED TED-Ed TED Education TED Ed Massimo Pigliucci"
YouTube Link 2017-06-19T15:00Z 22.4M followers, 11.5M engagements
"In on a secret That's dramatic irony - Christopher Warner View full lesson: http://ed.ted.com/lessons/in-on-a-secret-that-s-dramatic-irony-christopher-warner You're in a movie theater watching the new horror flick. The audience knows something that the main character does not. The audience sees the character's actions are not in his best interest. What's that feeling -- the one that makes you want to shout at the screen Christopher Warner identifies this storytelling device as dramatic irony. Lesson by Christopher Warner animation by Ben Pearce. Christopher Warner irony dramatic irony jaws"
YouTube Link 2013-01-29T16:01Z 22.4M followers, 1.9M engagements
"If you had the chance to be immortal would you take it - Sarah Stroud and Michael Vazquez Explore different philosophers ideas on immortality and dig into their theories about the positives and negatives of eternal life. -- While cleaning out your uncles attic you find a chest with a sparkling potion. The attached tag declares drinking this liquid will make you immortal. Your body will be frozen at its current age and these effects would be final and irreversible. The instructions are clear the only question is do you drink the potion Sarah Stroud and Michael Vazquez explore this"
YouTube Link 2025-09-11T15:01Z 22.4M followers, 1.6M engagements
"Radioactivity: Expect the unexpected - Steve Weatherall View full lesson: http://ed.ted.com/lessons/radioactivity-expect-the-unexpected-steve-weatherall Neutrons don't change into protons. Except sometimes they do. Radioactivity is the process under which the nucleus can change spontaneously from one element to another. Steve Weatherall suggests that we acknowledge both the usefulness and danger inherent in harvesting radioactivity. Talk by Steve Weatherall animation by Eugene Uymatiao. TEDEducation TED-Ed TED Ed chemistry Eugene Uymatiao radioactive radioactivity atom nucleus proton neutron"
YouTube Link 2012-12-10T16:13Z 22.4M followers, 996.4K engagements
"What is color - Colm Kelleher Watch the whole lesson on http://ed.ted.com/lessons/how-do-we-see-color-colm-kelleher Have you ever wondered what color is In this first installment of a series on light Colm Kelleher describes the physics behind colors-- why the colors we see are related to the period of motion and the frequency of waves. Lesson by Colm Kelleher animation by Vitreous. TEDEducation TED Ed TED-Ed Vitreous Colm Kelleher light physics color light and color physics visible spectrum what is TEDEducation TED Ed TED-Ed Vitreous Colm Kelleher light physics color light and color physics"
YouTube Link 2012-12-18T16:50Z 22.4M followers, 1.1M engagements
"The Infinite Hotel Paradox - Jeff Dekofsky Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter View full lesson: http://ed.ted.com/lessons/the-infinite-hotel-paradox-jeff-dekofsky Want more Try to solve the buried treasure riddle: https://www.youtube.com/watchv=tCeklW2e6_E The Infinite Hotel a thought experiment created by German mathematician David Hilbert is a hotel with an infinite number of rooms. Easy to comprehend right Wrong. What if it's completely booked but one person wants to check in What about [--] Or an infinitely full bus of people Jeff Dekofsky"
YouTube Link 2014-01-16T17:26Z 22.4M followers, 25.8M engagements
"Meet the bluefin tuna the toughest fish in the sea - Grantly Galland and Raiana McKinney Discover the unique adaptations that make the Atlantic bluefin tuna one of the most dominant predators in the ocean. -- Whats as big as a polar bear swallows its prey whole and swims at forty miles an hour Its not a shark or a killer whale. its the Atlantic bluefin tuna the largest and longest-lived of the [--] tuna species. Its unique set of adaptations make it one of the most dominant predators in the ocean. Grantly Galland and Raiana McKinney detail how these fish go from tiny hatchling to ocean giant."
YouTube Link 2021-05-03T15:00Z 22.4M followers, 2.3M engagements
"Lady Meng Jiang:The legend of the woman who outwitted an evil emperor - Juwen Zhang Dig into the Chinese myth of Lady Meng Jiang and how her grief over the death of her husband brought down the Great Wall. -- Long ago an emperor decided to build a great wall to protect his new empire and ensure his power. He ordered men across China to leave their homes and submit to the grueling labor required for its construction. As years passed and the wall grew few returned home. But one workers death spelled trouble for the wall. Juwen Zhang shares the myth of the heartbroken Lady Meng Jiang and her"
YouTube Link 2024-12-12T16:00Z 22.4M followers, 761.1K engagements
"The clever trick used by sports betting apps - Shannon Odell Dig into the strategies employed by sports betting apps to keep you gambling and how these tactics can cause addictive behavior. -- Sports gambling has become more popular than ever. Mobile apps make it easier to place bets anywhere or anytime especially for young people who make up the fastest-growing demographic. And the sports betting apps work just like the games in a casino built to ensure that the house always wins. So what exactly are the tricks these apps use Shannon Odell shares what keeps you playing and paying. Lesson by"
YouTube Link 2025-05-13T15:01Z 22.4M followers, 394.1K engagements
"How many ways are there to prove the Pythagorean theorem - Betty Fei Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-many-ways-are-there-to-prove-the-pythagorean-theorem-betty-fei What do Euclid 12-year-old Einstein and American President James Garfield have in common They all came up with elegant proofs for the famous Pythagorean theorem one of the most fundamental rules of geometry and the basis for practical applications like constructing stable buildings and triangulating GPS coordinates. Betty Fei details these three famous"
YouTube Link 2017-09-11T15:00Z 22.4M followers, 4M engagements
"Why can't you put metal in a microwave - Aaron Slepkov Dig into the science of how microwave ovens use electromagnetic waves to heat your food and what you should avoid cooking in them. -- In [----] engineer Percy Spencer was standing near a RADAR device that produced high-intensity microwaves and noticed that his candy bar had melted. He then exposed popcorn kernels to the magnetron device and sure enough they popped. Soon after the first microwave oven became available using the very same technology. So how does it work Aaron Slepkov explores the science of microwave ovens. Lesson by Aaron"
YouTube Link 2024-02-15T16:00Z 22.4M followers, 2M engagements
"How to read music - Tim Hansen Like an actor's script a sheet of music instructs a musician on what to play (the pitch) and when to play it (the rhythm). Sheet music may look complicated but once you've gotten the hang of a few simple elements like notes bars and clefs you're ready to rock. Tim Hansen hits the instrumental basics you need to read music. TED TED-Ed TEDEducation Tim Hansen Music Sheet music Composition Beats the clef rhythm pitch TED TED-Ed TEDEducation Tim Hansen Music Sheet music Composition Beats the clef rhythm pitch"
YouTube Link 2013-07-18T14:58Z 22.4M followers, 7.7M engagements
"How long will human impacts last - David Biello Check out all of TED-Ed's book recommendations: http://ed.ted.com/books Check out David Biello's "The Unnatural World": https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/the-unnatural-world View full lesson: https://ed.ted.com/lessons/how-long-will-human-impacts-last-david-biello Imagine aliens land on Earth a million years from now. What will these curious searchers find of us They will find what geologists scientists and other experts are increasingly calling the Anthropocene or new age of mankind. David Biello explains"
YouTube Link 2017-12-04T16:06Z 22.4M followers, 872.5K engagements
"Can you solve the private eye riddle - Henri Picciotto Practice more problem-solving at https://brilliant.org/TedEd -- As Numberlands best detective you thought youd seen it all. But the desiccated corpses of prominent natural numbers have been showing up all over the city. A lockdown is ordered from sundown to sunrise and its still not enough to stop what can only be described as a vampiric feeding frenzy. Can you figure out why the citizens of Numberland are being attacked Henri Picciotto shows how. Lesson by Henri Picciotto directed by Igor Coric Artrake Studio. Support Our Non-Profit"
YouTube Link 2022-04-26T15:01Z 22.4M followers, 1.8M engagements
"Can stereotypes ever be good - Sheila Marie Orfano and Densho Explore the model minority stereotype and discover how it became a label for Asian Americans and is used to enforce racial hierarchies. -- In [----] researchers surveyed [---] teachers to understand if they held stereotypes about their students. The most commonly held opinion was that Asian students were significantly more industrious intelligent and gentle. This might seem like a good thing but treating this stereotype as reality can cause a surprising amount of harm. Sheila Marie Orfano and Densho dig into the model minority myth."
YouTube Link 2021-12-02T16:01Z 22.4M followers, 713.2K engagements
"The psychology of narcissism - W. Keith Campbell View full lesson: http://ed.ted.com/lessons/the-psychology-of-narcissism-w-keith-campbell Narcissism isnt just a personality type that shows up in advice columns; its actually a set of traits classified and studied by psychologists. But what causes it And can narcissists improve on their negative traits W. Keith Campbell describes the psychology behind the elevated and sometimes detrimental self-involvement of narcissists. Lesson by W. Keith Campbell animation by TOGETHER. W. Keith Campell TOGETHER narcissism narcissistic personality disorder"
YouTube Link 2016-02-23T16:20Z 22.4M followers, 15.9M engagements
"Can you solve the frog riddle - Derek Abbott View full lesson: http://ed.ted.com/lessons/can-you-solve-the-frog-riddle-derek-abbott Youre stranded in a rainforest and youve eaten a poisonous mushroom. To save your life you need an antidote excreted by a certain species of frog. Unfortunately only the female frog produces the antidote. The male and female look identical but the male frog has a distinctive croak. Derek Abbott shows how to use conditional probability to make sure you lick the right frog and get out alive. Lesson by Derek Abbott animation by Artrake Studio. Derek Abbott Artrake"
YouTube Link 2016-02-29T16:01Z 22.4M followers, 8.7M engagements
"What is an aurora - Michael Molina Explore the science behind what causes the incredible light and color of the Aurora Borealis and Aurora Australis. -- Why do we see those stunning lights in the northern- and southernmost portions of the night sky The Aurora Borealis and Aurora Australis occur when high-energy particles are flung from the Sun's corona toward the Earth and mingle with the neutral atoms in our atmosphere -- ultimately emitting extraordinary light and color. Michael Molina explains every step of this dazzling phenomenon. Lesson by Michael Molina animation by Franco Barroeta."
YouTube Link 2013-07-03T15:16Z 22.4M followers, 1M engagements
"How close are we to powering the world with nuclear fusion - George Zaidan Explore the possibility of nuclear fusion technology to create limitless on-demand energy with almost no emissions. -- Stars have cores hot and dense enough to force atomic nuclei together forming larger heavier nuclei in a process known as fusion. In this process the mass of the end products is slightly less than the mass of the initial atoms. But that lost mass doesnt disappear its converted to energy . a lot of energy. So can we harness this energy to power the world George Zaidan investigates. Lesson by George"
YouTube Link 2024-06-27T15:00Z 22.4M followers, 427.8K engagements
"6 myths about the Middle Ages that everyone believes - Stephanie Honchell Smith Explore the [--] most common misconceptions about the Middle Ages and find out what living in medieval times was actually like. -- Medieval Europe. Where unbathed sword-wielding knights ate rotten meat thought the Earth was flat defended chastity-belt wearing maidens and tortured their foes with grisly gadgets. Except this is more fiction than fact. So where do all the myths about the Middle Ages come from And what were they actually like Stephanie Honchell Smith debunks common misconceptions about the time period."
YouTube Link 2023-03-07T16:01Z 22.4M followers, 2.8M engagements
"History vs. Egypts "most powerful" pharaoh - Jessica Tomkins Pharaoh Ramesses II presided over a golden age of Egyptian prosperity but was he a model leader or a master of propaganda -- Pharaoh Ramesses II reigned for almost [--] years in the 13th century BCE. He presided over a golden age of Egyptian prosperity power and wealth. But was he a model leader or a shameless egomaniac and master of propaganda Jessica Tomkins puts this controversial figure on trial in History vs. Ramesses the Great. Lesson by Jessica Tomkins directed by Brett Underhill PorkchopBob Studio. Support Our Non-Profit"
YouTube Link 2024-01-18T16:00Z 22.4M followers, 697.4K engagements
"Why did people wear powdered wigs - Stephanie Honchell Smith Trace the rise and fall of the powdered wig fashion craze from King Louis XIII to the French Revolution in the 18th century. -- Wigs date at least as far back as ancient Egypt where well-regarded hairdressers crafted them into intricate styles. And under certain ancient Roman dynasties womens wigs became particularly ornate. Yet it wasnt until Louis XIII unveiled a magnificent mane in the 17th century that big wigs truly began booming. Stephanie Honchell Smith details the rise and fall of the bewigged fashion craze. Lesson by"
YouTube Link 2024-08-01T14:01Z 22.4M followers, 1M engagements
"Everything you need to know to read The Canterbury Tales - Iseult Gillespie Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/everything-you-need-to-know-to-read-the-canterbury-tales-iseult-gillespie A portly Miller barely able to sit on his horse rambles on about the flighty wife of a crotchety old carpenter and the scholar she takes as her lover. This might sound like a bawdy joke but its part of one of the most esteemed works of English literature ever created: The Canterbury Tales. Iseult Gillespie shares everything you need to know to"
YouTube Link 2018-10-02T15:02Z 22.4M followers, 1.1M engagements
"Ugly History: Japanese American incarceration camps - Densho Dig into the historic injustice of Japanese American incarceration camps also known as internment camps during World War II. -- On December [--] [----] [--] year-old Aki Kurose shared in the horror of millions of Americans when Japanese planes attacked Pearl Harbor. Unbeknownst to her this shared experience would soon leave her family and over [------] Japanese Americans alienated from their country both socially and physically. Densho explores the racism and paranoia that led to the unjust internment of Japanese Americans. Lesson by Densho"
YouTube Link 2019-10-01T15:01Z 22.4M followers, 1.9M engagements
"What are gravitational waves - Amber L. Stuver Check out all of TED-Ed's book recommendations: http://ed.ted.com/books Check out Neil deGrasse Tyson's "Astrophysics for People in a Hurry": https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/astrophysics-for-people-in-a-hurry View full lesson: https://ed.ted.com/lessons/what-are-gravitational-waves-amber-l-stuver In September [----] scientists witnessed something never seen before: two black holes colliding. Both about [--] times as big as our Sun they had been orbiting each other for millions of years. A fraction of a second"
YouTube Link 2017-09-14T15:00Z 22.4M followers, 1M engagements
"Uncovering the brain's biggest secret - Melanie E. Peffer Explore how a scientist and artist discovered how our brains transmit signals throughout the body and laid the foundation for modern neuroscience. -- In the 1860s scientists believed they were on the verge of uncovering the brains biggest secret: how the brains signals travel through the body. They believed these impulses travelled uninterrupted along a massive web of tissue. But soon a young artist would cut down this hypothesis and sketch a bold new vision of how our brains work. Melanie E. Peffer details the discoveries of Golgi and"
YouTube Link 2021-02-08T16:00Z 22.4M followers, 604.6K engagements
"How do steroids affect your muscles and the rest of your body - Anees Bahji Dig into the science of how anabolic steroids and their recreational use can affect your body organs and brain. -- Steroids. Theyve caused global scandals. Theyre banned in most athletic competitions. Yet the same properties that help elite athletes and bodybuilders improve performance also make steroids valuable for treating many illnesses and injuries such as AIDS and cancer. So if steroids are used as medicine they must be safe to use recreationally right Anees Bahji explores the effects of steroids. Lesson by"
YouTube Link 2020-11-09T16:00Z 22.4M followers, 3.9M engagements
"No one really knows what a tree is - Max G. Levy Dig into the system that helps scientists distinguish trees from other varieties of plants and what characteristics make a tree. -- Plants assume a variety of forms and trees are just one of them. What makes or breaks a tree can come down to some pretty specific characteristics based on how the plant develops as a result of how it evolved. Trees dont all comprise one closely related group like insects or mammals. So how exactly do trees get classified as trees Max G. Levy explains what distinguishes these woody plants. Lesson by Max G. Levy"
YouTube Link 2025-04-17T15:23Z 22.4M followers, 500.8K engagements
"Why do you get a fever when you're sick - Christian Moro Discover what happens in your body when you have a fever and why its role in our immune response remains a mystery to scientists. -- There are many mysteries around fever but we do know that all mammals some birds and even a few invertebrate and plant species feel fevers heat. It has persisted for over [---] million years of evolution. But it has a significant cost: for every degree increase in temperature theres a 12.5% increase in energy required. So why and how does your body produce a fever Christian Moro investigates. Lesson by"
YouTube Link 2020-11-12T16:00Z 22.4M followers, 1.6M engagements
"Would winning the lottery make you happier - Raj Raghunathan View full lesson: http://ed.ted.com/lessons/would-winning-the-lottery-make-you-happier-raj-raghunathan Imagine winning a multi-million dollar lottery tomorrow. If youre like many of us youd be ecstatic unable to believe your good luck. But would that joy still be there a few years later Raj Raghunathan describes a phenomenon called hedonic adaptation which may shed light on the answer. Lesson by Raj Raghunathan animation by Allen Laseter. TED TED-Ed TED Ed TED Education Raj Raghunathan Allen Laseter lottery money happiness hedonic"
YouTube Link 2017-02-07T15:59Z 22.4M followers, 1.2M engagements
"The complicated history of surfing - Scott Laderman Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-complicated-history-of-surfing-scott-laderman Today surfing is a multi-billion-dollar global industry with tens of millions of enthusiasts worldwide. For some its a serious sport; for others just a way to let loose. But despite its casual association with fun and sun surfing has a richer and deeper history than many realize. Scott Laderman shares the hidden history of surfing. Lesson by Scott Laderman directed by Silvia Prietov. Thank"
YouTube Link 2017-11-16T16:00Z 22.4M followers, 1.7M engagements
"Why do people join cults - Janja Lalich View full lesson: http://ed.ted.com/lessons/why-do-people-join-cults-janja-lalich Today there are thousands of cults around the world. Broadly speaking a cult is a group or movement with a shared commitment to a usually extreme ideology thats typically embodied in a charismatic leader. But what exactly differentiates cults from other groups and why do people join them Janja Lalich describes how cults recruit and manipulate their members. Lesson by Janja Lalich animation by Globizco. TED TED-Ed TED Education TED Ed Janja Lalich Globizco cults Jim Jones"
YouTube Link 2017-06-12T15:01Z 22.4M followers, 6M engagements
"Where did Russia come from - Alex Gendler Trace the evolution of Russia from Kievan Rus to present day and find out how it became the biggest country in the world. -- Russia is the biggest country in the world spanning one-eighth of the Earths landmass. But where did it all begin Alex Gendler explores the epic history of the Kievan Rus where characters ranging from Viking raiders and Western crusaders to Byzantine missionaries and Mongol hordes all played a role to create a unique civilization standing at the crossroads of culture and geography. Lesson by Alex Gendler animation by Drako"
YouTube Link 2015-10-13T15:28Z 22.4M followers, 5.8M engagements
"The rise and fall of the Celtic warriors - Philip Freeman Trace the rise and fall of the ancient Celts a group of hundreds of independent warrior tribes defeated by the Roman Empire. -- One summer evening in [---] BCE Alexander the Great was resting by the Danube River when a band of strangers approached his camp. Alexander had never seen anything like these tall fierce-looking warriors with huge golden neck rings and colorful cloaks. They were Keltoi or Celts a collection of independent tribes spread across Europe. Philip Freeman details the rise and fall of the ancient Celts. Lesson by Philip"
YouTube Link 2020-07-20T15:01Z 22.4M followers, 1.4M engagements
"The best nose in the animal kingdom - Chase LaDue & Bruce A. Schulte Discover the incredible ways elephants use their trunks to sense and communicate information and emotion. -- As a breeze blows through the savannah a snake-shaped tube stretches into the air and scans the horizon like a periscope. But its not seeing its sniffing. Containing no bones and an estimated [-----] muscles an elephant trunk is one of the most versatile tools in the animal kingdom. Chase LaDue and Bruce Schulte detail the incredible capabilities of these agile appendages. Lesson by Chase LaDue and Bruce A. Schulte"
YouTube Link 2021-03-15T15:01Z 22.4M followers, 302.2K engagements
"Stroke of insight - Jill Bolte Taylor View full lesson: http://ed.ted.com/lessons/jill-bolte-taylor-s-stroke-of-insight Brain researcher Jill Bolte Taylor studied her own stroke as it happened -- and has become a powerful voice for brain recovery. Talk by Jill Bolte Taylor. Jill Bolte Taylor TEDEducation TED-Ed TED Ed stroke brain Jill Bolte Taylor TEDEducation TED-Ed TED Ed stroke brain"
YouTube Link 2012-11-14T16:00Z 22.4M followers, 401.2K engagements
"The plot to overthrow the Inca Empire - Gabriel Prieto Follow Maxo a warrior of the Chimu Empire as he navigates the Inca-conquered streets of Chan Chan to receive a secret message. -- Its daybreak in the city of Chan Chan and former soldier Maxo has been up all night fretting. Last night a friend stopped by and instructed him to go to the plaza at noon to receive an important message. But with the recent defeat of their army and the overthrow of the king answering this mysterious summons will be dangerous. Gabriel Prieto outlines a day in the life of a Chimu warrior. Lesson by Gabriel Prieto"
YouTube Link 2023-09-28T15:00Z 22.4M followers, 272.4K engagements
"How the Knigsberg bridge problem changed mathematics - Dan Van der Vieren View full lesson: http://ed.ted.com/lessons/how-the-konigsberg-bridge-problem-changed-mathematics-dan-van-der-vieren Youd have a hard time finding the medieval city Knigsberg on any modern maps but one particular quirk in its geography has made it one of the most famous cities in mathematics. Dan Van der Vieren explains how grappling with Knigsbergs puzzling seven bridges led famous mathematician Leonhard Euler to invent a new field of mathematics. Lesson by Dan Van der Vieren animation by Artrake Studio. Dan Van der"
YouTube Link 2016-09-01T14:52Z 22.4M followers, 1.5M engagements
"Lesson 1: What are ideas Master a variety of communication skills with TEDs official public speaking course. This course will teach you how to identify develop and share your best ideas with the world. This video - the first in the series - is available for free. If you'd like to continue on this learning journey you can purchase the full 11-lesson course. All proceeds support TED-Ed's nonprofit mission to develop and share free high-quality educational materials with the world. Lesson [--] Learning Goal: Identify the qualities of ideas worth spreading. This lesson is full of foundational"
YouTube Link 2022-11-18T18:50Z 22.4M followers, 255.8K engagements
"How do dogs "see" with their noses - Alexandra Horowitz View full lesson: http://ed.ted.com/lessons/how-do-dogs-see-with-their-noses-alexandra-horowitz You may have heard the expression that dogs see with their noses. But these creatures amazing nasal architecture actually reveals a whole world beyond what we can see. Alexandra Horowitz illustrates how the dogs nose can smell the past the future and even things that cant be seen at all. Lesson by Alexandra Horowitz animation by Provncia Studio. TED TEDx TED-Ed Dog Canine Smell Olfactory Olfaction Nose Nostril Breathing Smelling Olfactory"
YouTube Link 2015-02-02T16:19Z 22.4M followers, 2.5M engagements
"How Magellan circumnavigated the globe - Ewandro Magalhaes View full lesson: http://ed.ted.com/lessons/how-magellan-circumnavigated-the-globe-ewandro-magalhaes On September [--] [----] the "Victoria" sailed into harbor in southern Spain. The battered vessel and its [--] sailors were all that remained of a fleet that had departed three years before. Yet her voyage was considered a success for the "Victoria" had achieved something unprecedented the first circumnavigation of the globe. Ewandro Magalhaes shares the story of Magellans journey. Lesson by Ewandro Magalhaes animation by TED-Ed. TED TED-Ed"
YouTube Link 2017-03-30T15:07Z 22.4M followers, 1.9M engagements
"The myth of Jason and the Argonauts - Iseult Gillespie Download a free audiobook version of "Circe" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed Check out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/circe -- Hercules the strongest man alive with a mighty heart to match. Orpheus charmer of nature and master of music. Castor and Pollux the twin tricksters. The Boreads sons of the North Wind who could hurtle through the air. Brought together by a young mans call for help these heroes joined forces and named"
YouTube Link 2019-08-27T15:01Z 22.4M followers, 2.2M engagements
"The myth of Sisyphus - Alex Gendler Download a free audiobook version of "Man's Search for Meaning" and support TED-Ed's nonprofit mission: https://adbl.co/2z7JGWx Check out our full book recommendation: https://bit.ly/2JYUn1y Sisyphus was both a clever ruler who made his city prosperous and a devious tyrant who seduced his niece and killed visitors to show off his power. While his violation of the sacred hospitality tradition greatly angered the gods it was Sisyphus reckless confidence that proved to be his downfall -- resulting in Zeus condemning him for all eternity. Alex Gendler shares"
YouTube Link 2018-11-13T16:01Z 22.4M followers, 8.8M engagements
"The tale of the brothers who outwitted the demon queen - Malay Bera Dig into the Bengali tale of brothers Neelkamal and Lalkamal two princes seeking to end the reign of demons in their kingdom. -- Achinpur was on the precipice of demonic takeover. A mysterious woman beguiled the king and infiltrated the royal family. But she wasnt human; under her beautiful faade lurked an insatiable appetite for flesh. One night the demon queen devoured the king's sons but the princes managed to evade death. Malay Bera shares the tale of their quest to free the kingdom from the scourge of demons. Lesson by"
YouTube Link 2025-03-04T16:00Z 22.4M followers, 533.1K engagements
"Think Like a Coder Teaser Trailer Introducing TED-Ed's new 10-episode coding series Think Like A Coder The adventure follows a duo trying to save the world solving programming puzzles along the way. -- Were thrilled to announce our series: Think Like A Coder. This 10-episode narrative follows a girl Ethic and her robot companion Hedge as they attempt to save the world. The two embark on a quest to collect three artifacts and must solve their way through a series of programming puzzles to fix the problems plaguing their world. Coders and the code-curious alike are invited to join the adventure"
YouTube Link 2019-09-21T13:00Z 22.4M followers, 879.3K engagements
"Is DNA the future of data storage - Leo Bear-McGuinness Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/is-dna-the-future-of-data-storage-leo-bear-mcguinness In the event of a nuclear fallout every piece of digital and written information could all be lost. Luckily there is a way that all of human history could be recorded and safely stored beyond the civilizations end. And the key ingredient is inside all of us: our DNA. Leo Bear-McGuinness explains. Lesson by Leo Bear-McGuinness animation by TED-Ed. Thank you so much to our patrons for"
YouTube Link 2017-10-09T15:00Z 22.4M followers, 423.9K engagements
"The surprising reason our muscles get tired - Christian Moro Why do our muscles get tired and sore after exercise Explore how our muscles function and how you can exercise longer without experiencing muscle fatigue. -- You're lifting weights. The first time feels easy but each lift takes more and more effort until you cant continue. Inside your arms the muscles responsible for the lifting have become unable to contract. Whats going on Christian Moro explains how exactly our muscles operate and what causes them to become fatigued. Lesson by Christian Moro directed by Nichola Latzgo. Sign up"
YouTube Link 2019-04-18T15:00Z 22.4M followers, 5.9M engagements
"The rights you might not realize you have - Shannon Odell Do you have a right to a healthy planet Dig into the movement to hold governments accountable for climate change inaction. -- Since [----] an unprecedented movement has been sweeping courts around the world. Groups of young plaintiffs are suing their governments for their inaction on tackling climate change. These suits argue that climate inaction violates their basic human rights. But what do human rights have to do with the environment Shannon Odell examines our right to a healthy environment food health and water. Lesson by Shannon"
YouTube Link 2023-12-07T16:01Z 22.4M followers, 511.4K engagements
"The survival of the sea turtle Watch the miraculous journey of infant sea turtles as these tiny animals run the gauntlet of predators and harsh conditions. Then in numbers see how human behavior has made their tough lives even more challenging. Lesson by Scott Gass animation by Veronica Wallenberg and Johan Sonestedt. View the full lesson at: http://ed.ted.com/lessons/the-survival-of-the-sea-turtle Scott Gass sea turtle turtle oceans ocean sea marine marine life TED Education TED-Ed environment conservation marine biology Veronica Wallenberg Scott Gass sea turtle turtle oceans ocean sea"
YouTube Link 2012-07-23T15:03Z 22.4M followers, 2.1M engagements
"Solid liquid gas and plasma - Michael Murillo View full lesson: http://ed.ted.com/lessons/solid-liquid-gas-and-plasma-michael-murillo Have you ever seen static electricity cause a spark of light What is that spark What about lightning the Northern Lights or the tail of a comet All of those things and many others in fact 99.9% of the universe -- are made of plasma. Michael Murillo gives the full picture on plasma. Lesson by Michael Murillo animation by Toms Pichardo Espaillat. TED TEd-Ed TEDx TED Education Plasma Electricity Spark Light Lightning Northern lights Comet tail Solid Liquid Gas"
YouTube Link 2015-07-28T15:14Z 22.4M followers, 795.6K engagements
"How to use a semicolon - Emma Bryce View full lesson: http://ed.ted.com/lessons/how-to-use-a-semicolon-emma-bryce It may seem like the semicolon is struggling with an identity crisis. It looks like a comma crossed with a period. Maybe thats why we toss these punctuation marks around like grammatical confetti; were confused about how to use them properly. Emma Bryce clarifies best practices for the semi-confusing semicolon. Lesson by Emma Bryce animation by Karrot Entertainment. TED TED-Ed TEDx TED Education Emma Bryce Karrot Entertainment Semicolon Grammar Clause Independent clause Dependent"
YouTube Link 2015-07-06T15:20Z 22.4M followers, 2.6M engagements
"The best stats you've ever seen - Hans Rosling View full lesson: http://ed.ted.com/lessons/hans-rosling-shows-the-best-stats-you-ve-ever-seen You've never seen data presented like this. With the drama and urgency of a sportscaster statistics guru Hans Rosling debunks myths about the so-called "developing world." Talk by Hans Rosling. Hans Rosling TED TED-Ed TED Ed TEDEducation data Hans Rosling TED TED-Ed TED Ed TEDEducation data"
YouTube Link 2013-07-13T15:04Z 22.4M followers, 462.1K engagements
"One of the most controversial medical procedures in history - Jenell Johnson Uncover the history of the lobotomy and find out why it's considered one of the most controversial procedures of the 20th century. -- In [----] researchers found that after removing the frontal lobes of two chimps they no longer experienced frustration or anxiety. Neurologist Egas Moniz believed that replicating this in humans could cure mental illness leading to one of the most controversial and destructive medical treatments of the 20th century: the lobotomy. Jenell Johnson uncovers the history of the procedure."
YouTube Link 2025-01-14T16:01Z 22.4M followers, 1.4M engagements
"The physics of playing guitar - Oscar Fernando Perez View full lesson: http://ed.ted.com/lessons/the-physics-of-playing-guitar-oscar-fernando-perez Guitar masters like Jimi Hendrix are capable of bending the physics of waves to their wills plucking melody from inspiration and vibration. But how do wood metal and plastic translate into rhythm melody and music Oscar Fernando Perez details the physics of playing the guitar from first pluck to that final shredding chord. Lesson by Oscar Fernando Perez animation by Chris Boyle. Guitar Physics Oscar Perez Jimi Hendrix Kurt Cobain Jimmy Page Music"
YouTube Link 2015-08-13T15:07Z 22.4M followers, 529.4K engagements
"How do hard drives work - Kanawat Senanan View full lesson: http://ed.ted.com/lessons/how-do-hard-drives-work-kanawat-senanan The modern hard drive is an object that can likely hold more information than your local library. But how does it store so much information in such a small space Kanawat Senanan details the generations of engineers material scientists and quantum physicists who influenced the creation of this incredibly powerful and precise tool. Lesson by Kanawat Senanan animation by TED-Ed. Senanan Kanawat Hard Drive TED TED-Ed TEDx TED Education Franz Palomares Computers Computer"
YouTube Link 2015-10-29T15:43Z 22.4M followers, 2.8M engagements
"A day in the life of a Mongolian queen - Anne F. Broadbridge Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter View full lesson: https://ed.ted.com/lessons/a-day-in-the-life-of-a-mongolian-queen-anne-f-broadbridge As dawn breaks over a moveable city of ten thousand yurts Queen Boraqchin readies her kingdom for departure to their summer camping grounds. While her husband the grandson of Genghis Khan is out raiding she juggles the duties of managing flocks family and a city of thousands. Anne F. Broadbridge outlines a day in the life of a Mongolian queen."
YouTube Link 2019-01-17T16:02Z 22.4M followers, 2.2M engagements
"How do viruses jump from animals to humans - Ben Longdon Discover the science of how viruses can jump from one species to another and the deadly epidemics that can result from these pathogens. -- At a Maryland country fair in [----] farmers reported feverish hogs with inflamed eyes and running snouts. While farmers worried about the pigs the department of health was concerned about a group of sick fairgoers. Soon [--] of these attendees would be diagnosed with swine flu. How can pathogens from one species infect another and what makes this jump so dangerous Ben Longdon explains. Lesson by Ben"
YouTube Link 2019-08-08T15:00Z 22.4M followers, 1.6M engagements
"How do glasses help us see - Andrew Bastawrous and Clare Gilbert View full lesson: http://ed.ted.com/lessons/how-do-glasses-help-us-see-andrew-bastawrous-and-clare-gilbert Today glasses help millions of people with poor vision be able to see clearly. But how Andrew Bastawrous and Clare Gilbert help unravel the answer by explaining refraction the ability of a transparent medium like glass water or the eye to change the direction of light passing through it. Lesson by Andrew Bastawrous and Clare Gilbert animation by Andrew Foerster. Andrew Bastawrous Clare Gilbert Andrew Foerster Glasses"
YouTube Link 2016-04-05T15:04Z 22.4M followers, 2.4M engagements
"What causes cavities - Mel Rosenberg View full lesson: http://ed.ted.com/lessons/what-causes-cavities-mel-rosenberg When a team of archeologists recently came across some 15000-year-old human remains they made an interesting discovery: the teeth of those ancient humans were riddled with holes. So what causes cavities and how can we avoid them Mel Rosenberg takes us inside our teeth to find out. Lesson by Mel Rosenberg animation by Andrew Foerster. Mel Rosenberg Andrew Foerster why do we get cavities cavities fillings dentist teeth oral hygiene braces mouth microbes mouth bacteria sugar starch"
YouTube Link 2016-10-17T15:02Z 22.4M followers, 7.2M engagements
"Is radiation dangerous - Matt Anticole View full lesson: http://ed.ted.com/lessons/is-radiation-dangerous-matt-anticole When we hear the word radiation its tempting to picture huge explosions and frightening mutations. But thats not the full story radiation also applies to rainbows and a doctor examining an X-ray. So what is it really and how much should we worry about its effects Matt Anticole describes the different types of radiation. Lesson by Matt Anticole animation by Tinmouse Animation Studio. Matt Anticole Tinmouse Animation Studio radiation risks of radiation ionizing radiation x-ray"
YouTube Link 2016-03-14T15:27Z 22.4M followers, 2.9M engagements
"Is there a limit to technological progress - Clment Vidal View full lesson: http://ed.ted.com/lessons/is-there-a-limit-to-technological-progress-clement-vidal Many generations have felt theyve reached the pinnacle of technological advancement. Yet if you look back [---] years the technologies we take for granted today would seem like impossible magic. So will there be a point where we reach an actual limit of technological progress And if so are we anywhere near that limit now Clment Vidal consults Kardashevs scale to find out. Lesson by Clment Vidal animation by CUB animation. TED Richard"
YouTube Link 2016-12-19T16:01Z 22.4M followers, 804.8K engagements
"The worlds most dangerous fart - Nick Caruso and Dani Rabaiotti Dive into the bowels of the animal kingdom to explore why animals fart and find out which creature has the foulest flatulence. -- For most humans farts are a welcome relief an embarrassing incident or an opportunity for a gas-based gag. But for many other creatures farts are no laughing matter. Deep in the bowels of the animal kingdom farts can serve as tools of intimidation acts of self-defense and weapons of malodorous murder. Nick Caruso and Dani Rabaiotti dig into the funky and foul world of animal flatulence. Lesson by Nick"
YouTube Link 2021-02-01T16:00Z 22.4M followers, 2.6M engagements
"Could you survive the real Twilight Zone - Philip Renaud and Kenneth Kostel Find out how a hatchetfish survives its daily journey from the depths of the oceans Twilight Zone to the resource-rich surface. -- Youre traveling deep beneath the oceans surface where faint lights flicker and toothy grins flash. Your mission is to survive these depths and journey to the surface after sundown to feed. And as a hatchetfish almost every other deep-sea creature is trying to eat you. Can you complete the quest Philip Renaud and Kenneth Kostel share how to survive the ocean's Twilight Zone. Lesson by"
YouTube Link 2021-05-25T15:00Z 22.4M followers, 655.6K engagements
"How do US Supreme Court justices get appointed - Peter Paccone View full lesson: http://ed.ted.com/lessons/how-do-us-supreme-court-justices-get-appointed-peter-paccone Theres a job out there with a great deal of power pay prestige and near-perfect job-security. And theres only one way to be hired: get appointed to the US Supreme Court. But how do US Supreme Court Justices actually get that honor Peter Paccone outlines the difficult process of getting a seat on the highest bench in the country. Lesson by Peter Paccone animation by Globizco. TED-Ed TED TEDEducation TEDEd Peter Paccone Globizco"
YouTube Link 2016-11-17T16:11Z 22.4M followers, 1M engagements
"The science of attraction - Dawn Maslar View full lesson: http://ed.ted.com/lessons/the-science-of-attraction-dawn-maslar Romantic chemistry is all about warm gooey feelings that gush from the deepest depths of the heart.right Not quite. Actually the real boss behind attraction is your brain which runs through a very quick very complex series of calculations when assessing a potential partner. Dawn Maslar explores how our five senses contribute to this mating game citing some pretty wild studies along the way. Lesson by Dawn Maslar animation by TOGETHER. attraction romantic attraction sexual"
YouTube Link 2014-05-08T15:18Z 22.4M followers, 7.5M engagements
"Overcoming obstacles - Steven Claunch View full lesson: http://ed.ted.com/lessons/there-s-no-dishonor-in-having-a-disability-steven-claunch When faced with a bump in the road sometimes we forget we have a choice: overcome the obstacle or let it overcome you. Steven Claunch who was born without fingers on his right hand and with one leg shorter than the other and has excelled in basketball nonetheless explains why obstacles can provide an opportunity to both inspire others and develop character. Lesson by Steven Claunch animation by Avi Ofer. Steven Claunch Avi Ofer disability basketball"
YouTube Link 2013-08-21T15:08Z 22.4M followers, 1.2M engagements
"The scientific origins of the Minotaur - Matt Kaplan View full lesson: http://ed.ted.com/lessons/the-scientific-origins-of-the-minotaur-matt-kaplan The myth of the Minotaur tells the story of an enraged beast forever wandering the corridors of a damp labyrinth filled with a rage so intense that its deafening roar shakes the earth. But is this story just fiction or an attempt of our early ancestors to make sense of the natural world Matt Kaplan examines the myth for its scientific roots. Lesson by Matt Kaplan animation by Artrake Studio. Matt Kaplan Minotaur Ancient Greek mythology Ancient"
YouTube Link 2015-07-20T15:08Z 22.4M followers, 4.7M engagements
"How do focus groups work - Hector Lanz View full lesson: http://ed.ted.com/lessons/how-do-focus-groups-work-hector-lanz Focus groups have been widely used by organizations and individuals to find out how their products and ideas will be received by an audience. From the usage of household products to a politicians popularity almost everything can be explored with this technique. But how are focus groups put together And how did they come about in the first place Hector Lanz explains how focus groups work. Lesson by Hector Lanz animation by Compote Collective. TED TED-Ed TED Education TED Ed"
YouTube Link 2017-04-10T15:00Z 22.4M followers, 955.6K engagements
"What your poop can tell you about your health - Hannibal Person Travel into the digestive system to see how food is turned into waste and what causes the different colors and textures of poop. -- The average person poops out approximately [-----] kilograms of cumulative waste in a lifetime. Thats the equivalent of more than [--] SUVs. Oftentimes that poop is brown. Why is that considering all the comestibles one consumes And whats going on when poop appears in different colors and textures Hannibal Person explains the colorful choreography going on inside your bowels. Lesson by Hannibal Person"
YouTube Link 2025-07-24T15:00Z 22.4M followers, 446.8K engagements
"Why are scientists shooting mushrooms into space - Shannon Odell Explore the unique characteristics that make fungi so resilient and find out why they may be the key to future space travel. -- Astronauts aboard the space station Mir made a frightening discovery: several species of Earth-derived fungi were found growing throughout the shuttle blanketing air conditioners and corroding control panels putting both the stations integrity and their lives at risk. How had the fungi survived the journey to space Shannon Odell shares why fungi may be the key to our future on other planets. Lesson by"
YouTube Link 2024-07-18T15:00Z 22.4M followers, 725.2K engagements
"Why is Marie Antoinette so controversial - Carolyn Harris Marie Antoinette became a symbol for the evils of excess but was she a wasteful queen or a convenient scapegoat You decide. -- She was the Queen of France notorious for living in opulence while peasants starved and became a symbol of everything wrong with monarchy. But was Marie Antionette a heartless wasteful queen or a convenient scapegoat in turbulent times Carolyn Harris puts this controversial figure on trial in History vs. Marie Antoinette. Lesson by Carolyn Harris directed by Brett Underhill PorkchopBob Studio. Support Our"
YouTube Link 2023-06-20T15:00Z 22.4M followers, 1.7M engagements
"The physics of surfing - Nick Pizzo Wondering how you can catch the perfect wave Dive into the fascinating and complex physics of surfing. -- Whether or not you realize it surfers are masters of complicated physics. The science of surfing begins as soon as a board first hits the water. Surfers may not be thinking about weather patterns in the Pacific tectonic geology or fluid mechanics but the art of catching the perfect wave relies on all these things and more. Nick Pizzo dives into the gnarly physics that make surfing possible. Lesson by Nick Pizzo directed by Wonderlust. Sign up for our"
YouTube Link 2019-03-11T15:01Z 22.4M followers, 663.2K engagements
"What is love - Brad Troeger View full lesson: http://ed.ted.com/lessons/what-is-love-brad-troeger Is love a signal winding through your neural pathways A cliche A cult Love is easy to compare but difficult to define maybe because we're fundamentally biased; we try to define love while falling in or out of it. And love feels differently to every person who feels it but this subjective emotion has evolutionary explanations too. Brad Troeger takes a shot at the definition of love. Lesson by Brad Troeger animation by STK Films. Brad Troeger STK Films love what is love TED TED-Ed TED Ed"
YouTube Link 2013-09-09T15:10Z 22.4M followers, 1.9M engagements
"The history of keeping time - Karen Mensing View full lesson: http://ed.ted.com/lessons/the-history-of-keeping-time Where did time-telling come from What are time zones and why are there so many of them Get the answers to these questions and more in this journey through the history of time -- from sundials to hourglasses to modern clocks. Lesson by Karen Mensing animation by Avi Ofer. TED-Ed TEDEducation TED Education time time zones sundials hourglass modern clock history of time clocks passage of time time system farming social structures TED-Ed TEDEducation TED Education time time zones"
YouTube Link 2012-08-16T15:12Z 22.4M followers, 266.9K engagements
"How did ancient civilizations make ice cream - Vivian Jiang Trace the history of ice cream from the first accounts of cold desserts in the 1st century to the cream-based treat we know today. -- Ice cream has a unique role in our worlds history culture and cravings. The first accounts of cold desserts date back to the first century in civilizations including ancient Rome Mughal India and Tang Dynasty China. Yet the cream-based delicacy we know today made a much later debut. So how did the delicious sweet treat come to be Vivian Jiang shares the scoop on the history of ice cream. Lesson by"
YouTube Link 2024-05-30T15:00Z 22.4M followers, 2.4M engagements
"What you can do with an extra jaw - Darien Satterfield Discover the adaptation of the pharyngeal jaw a secondary set of jaws that allow fish to capture and eat their prey at the same time. -- After stalking a cuttlefish a moray eel finally pounces. As the eel snags the mollusk in its teeth its prey struggles to escape. But before it can wiggle away a second set of teeth lunge from the eels throat. This adaptation is called a pharyngeal jaw and is one of the most common adaptations under the sea. Darien Satterfield shares how this incredible skeletal mechanism works. Lesson by Darien"
YouTube Link 2021-06-29T15:00Z 22.4M followers, 439K engagements
"How did Dracula become the world's most famous vampire - Stanley Stepanic View full lesson: http://ed.ted.com/lessons/how-did-dracula-become-the-world-s-most-famous-vampire-stanley-stepanic Over a hundred years after his creator was laid to rest Dracula lives on as the most famous vampire in history. But this Transylvanian noble neither the first fictional vampire nor the most popular of his time may have remained buried in obscurity if not for a twist of fate. Stanley Stepanic explains how a critical copyright battle catapulted Bram Stokers character into literary renown. Lesson by Stanley"
YouTube Link 2017-04-20T15:17Z 22.4M followers, 4.1M engagements
"Can you outsmart the fallacy that fooled a generation of doctors - Elizabeth Cox Dig into the false cause fallacy which assumes that one event causes another and learn how to distinguish between correlation and causation. -- Its [----] and a debate is raging about one of the most common killers of women: childbed fever no one knows what causes it. One physician has observed patients with inflammation go on to develop childbed fever and therefore believes the inflammation causes the fever. What's the problem with this argument Elizabeth Cox explores the false cause fallacy and how to dissect"
YouTube Link 2020-08-10T15:00Z 22.4M followers, 1.9M engagements
"The fascinating history of cemeteries - Keith Eggener Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-fascinating-history-of-cemeteries-keith-eggener Spindly trees rusted gates crumbling stone a solitary mourner: these things come to mind when we think of cemeteries. But not long ago many burial grounds were lively places with gardens and crowds of people -- and for much of human history we didnt bury our dead at all. How did cemeteries become what they are today Keith Eggener delves into our ever-evolving rituals for honoring the"
YouTube Link 2018-10-30T15:00Z 22.4M followers, 6.4M engagements
"This one weird trick will help you spot clickbait - Jeff Leek & Lucy McGowan Test your wits with a set of hypothetical health studies and find out just how good you are at spotting clickbait. -- Health headlines are published every day sometimes making opposite claims from each other. There can be a disconnect between broad attention-grabbing headlines and the often specific incremental results of the medical research they cover. So how can you avoid being misled by grabby headlines Jeff Leek and Lucy McGowan explain how to read past the clickbait. Lesson by Jeff Leek and Lucy McGowan"
YouTube Link 2019-06-06T15:00Z 22.4M followers, 841.4K engagements
"Can you solve the famously difficult green-eyed logic puzzle - Alex Gendler Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter One hundred green-eyed logicians have been imprisoned on an island by a mad dictator. Their only hope for freedom lies in the answer to one famously difficult logic puzzle. Can you solve it Alex Gendler walks us through this green-eyed riddle. Lesson by Alex Gendler animation by Artrake Studio. TEd TED-Ed TEDx TEDEducation Alex Gendler Philosophy Logic Riddle Dictator Dictatorship Prison Puzzle Common Knowledge David Lewis Artrake"
YouTube Link 2015-06-16T15:17Z 22.4M followers, 16.5M engagements
"Become a slam poet in five steps - Gayle Danley View full lesson: http://ed.ted.com/lessons/become-a-slam-poet-in-five-steps-gayle-danley With enough passion and practice becoming a slam poet is within your reach. Explore a distant memory on paper then read it out loud. Edit. Try reading it out loud again and add your finishing touches. Gayle Danley offers five steps to being a slam poet -- while being downright poetic in the process. Lesson by Gayle Danley animation by TED-Ed. Gayle Danley Pages D. Matam Jeremiah Dickey Godfrey Hibbert poetry poet poem slam slam poetry poet how to be write"
YouTube Link 2013-03-27T15:04Z 22.4M followers, 882.7K engagements
"How to make a mummy - Len Bloch View full lesson: http://ed.ted.com/lessons/how-to-make-a-mummy-len-bloch As anyone whos seen a mummy knows ancient Egyptian priests went to a lot of trouble to evade decomposition. But how successful were they Len Bloch details the mummification process and examines its results thousands of years later. Lesson by Len Bloch animation by The Moving Company Animation Studio. Len Bloch Moving Company Animation Studio mummy mummification body decay decomposition egypt ancient egypt body science biology history world history TED TED-Ed TED Ed TEDEducation Len Bloch"
YouTube Link 2015-06-18T15:02Z 22.4M followers, 5.6M engagements
"The art of the metaphor - Jane Hirshfield View full lesson on ed.ted.com http://ed.ted.com/lessons/jane-hirshfield-the-art-of-the-metaphor How do metaphors help us better understand the world And what makes a good metaphor Explore these questions with writers like Langston Hughes and Carl Sandburg who have mastered the art of bringing a scene or emotion to life. Lesson by Jane Hirshfield animation by Ben Pearce Jane Hirshfield TEDEducation TED Education TED-Ed TED Ed metaphor simile writing literature poetry Word Poem Educational Jane Hirshfield TEDEducation TED Education TED-Ed TED Ed"
YouTube Link 2012-09-24T15:07Z 22.4M followers, 1.7M engagements
"Why is Herodotus called The Father of History - Mark Robinson Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-is-herodotus-called-the-father-of-history-mark-robinson [----] years ago the writing of history as we know it didnt exist. The past was recorded as a list of events with little explanation for their causes beyond accepting things as the will of the gods. Herodotus wanted a deeper understanding so he took a new approach: looking at events from both sides to understand the reasons for them. Mark Robinson explains how history came"
YouTube Link 2017-12-11T16:14Z 22.4M followers, 2.6M engagements
"Can you change your sleep schedule Are you an early bird or a night owl Explore how your circadian system acts as an internal clock to keep your body functioning. -- An early bird rises with the sun springing out of bed abuzz with energy. Meanwhile a night owl groggily rises much later not hitting their stride until late in the day. How many people are truly night owls or early birds And are our sleep schedules predetermined at birth or can we change them Explore how our circadian systems act as internal clocks to keep our bodies functioning properly. Directed by Avi Ofer. A special thanks to"
YouTube Link 2023-09-12T15:01Z 22.4M followers, 2.5M engagements
"The Norse myth that inspired The Lord of the Rings - Iseult Gillespie Download a free audiobook version of The Lord of the Rings: The Fellowship of the Ring and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed -- The dwarves were master craftspeople. One dwarf Andvari forged marvelous creations. He often took the form of a fish and one day he swam to the land of the water nymphs who guarded mounds of gold. When the nymphs laughed at his appearance Andvari grew infuriated and seized their gold. With it he crafted himself a special ring. Iseult Gillespie shares the Norse myth"
YouTube Link 2021-10-28T15:00Z 22.4M followers, 3.5M engagements
"How do investors choose stocks - Richard Coffin Explore the strategies investors use to choose stocks and learn whether its better to be an active or passive investor. -- Every day billions of stocks are traded on the New York Stock Exchange alone. But with over [-----] companies listed on stock exchanges around the world how do investors decide which stocks to buy And what do individuals and institutions achieve by investing in stocks Richard Coffin explores the tactics of different investing strategies. Lesson by Richard Coffin directed by Franz Palomares. Support Our Non-Profit Mission"
YouTube Link 2020-11-10T16:01Z 22.4M followers, 1.1M engagements
"How to stay calm under pressure - Noa Kageyama and Pen-Pen Chen Download a free audiobook version of "The Boys on the Boat" and support TED-Ed's nonprofit mission: https://adbl.co/2Lf9Pa2 Check out our full book recommendation: http://bit.ly/2IDVLsY View full lesson: https://ed.ted.com/lessons/how-to-avoid-choking-under-pressure-noa-kageyama-and-pen-pen-chen Your favorite athlete closes in for a win; the crowd holds its breath and at the crucial moment . she misses the shot. That competitor just experienced the phenomenon known as choking where despite months even years of practice a person"
YouTube Link 2018-05-21T15:01Z 22.4M followers, 9M engagements
"What is vaginal discharge and what does it say about your health - Elizabeth Micks Explore what causes vaginal discharge whats a healthy baseline and how to identify when there are unhealthy changes in the fluids. -- Our bodies are constantly producing purging and recycling secretions to fulfill all sorts of functions. Our reproductive organs are no exception. Vaginas are engaged in ongoing cycles of fluid discharge. But it can be hard to know what is "normal" when theres a taboo in talking about it. So whats healthy discharge And when is there cause for concern Elizabeth Micks investigates."
YouTube Link 2026-02-05T16:00Z 22.4M followers, 155.8K engagements
"How do your kidneys work - Emma Bryce Explore how kidneys operate and how this organ helps filter waste and excess fluid from your blood. -- After drinking a few glasses of water on a hot day you might be struck with a sudden . urge. Behind that feeling are two bean-shaped organs that work as fine-tuned internal sensors. Emma Bryce details how the incredible kidneys balance the amount of fluid in your body detect waste in your blood and know when to release the vitamins minerals and hormones you need to stay alive. Lesson by Emma Bryce animation by Tremendousness. View full lesson:"
YouTube Link 2015-02-09T16:07Z 22.4M followers, 2.9M engagements
"Why you procrastinate even when it feels bad Explore what happens in the brain to trigger procrastination and what strategies you can use to break the cycle of this harmful practice. -- The report youve been putting off is due tomorrow. Its time to buckle down open your computer . and check your phone. Maybe watch your favorite YouTube channel Or maybe you should just start in the morning This is the cycle of procrastination. So why do we procrastinate when we know its bad for us Explore how your body triggers a procrastination response and how you can break the cycle. Directed by Vitalii"
YouTube Link 2022-10-27T15:01Z 22.4M followers, 10.8M engagements
"How often should you get a flu shot - Melvin Sanicas Why do we need flu shots every year Dig into the science of flu viruses and what makes them different from other diseases. -- All year long researchers at hospitals around the world collect samples from flu patients and send them to top virology experts with one goal: to design the vaccine for the next flu season. But why do we need a new one every year Vaccines for diseases like mumps and rubella offer a lifetime of protection with two shots early in life; whats so special about the flu Melvin Sanicas explains. Lesson by Melvin Sanicas"
YouTube Link 2017-11-20T16:04Z 22.4M followers, 1M engagements
"The surprising effects of pregnancy Discover how pregnancy changes every organ in the body from the heart to the brain and kidneys and what we still dont know about it. -- Muscles and joints shift and jostle. The hearts pounding rhythm speeds up. Blood roars through arteries and veins. Over the course of a pregnancy every organ in the body changes. Initiated by a range of hormones these changes begin as soon as a pregnancy begins. Explore what we know and dont know about pregnancy's effects on the body and brain. Lesson by TED-Ed directed by Roxane Campoy and Charlotte Cambon. Animator's"
YouTube Link 2020-10-01T15:00Z 22.4M followers, 11.9M engagements
"Can you survive nuclear fallout - Brooke Buddemeier and Jessica S. Wieder Explore the possibility of surviving a nuclear explosion and dig into a scientifically supported plan of action in case of a detonation. -- Nuclear weapons are some of the most powerful tools of destruction on Earth and the full scope of a nuclear detonation is almost unimaginable. However there is a scientifically supported plan of action that could save thousands of lives. What is this plan and what exactly would it protect us from Brooke Buddemeier and Jessica S. Wieder explore the possibility of surviving nuclear"
YouTube Link 2019-01-08T16:01Z 22.4M followers, 2.2M engagements
""Jabberwocky": One of literature's best bits of nonsense Dive into Lewis Carrolls epic nonsense poem Jabberwocky from his novel "Through the Looking-Glass and What Alice Found There." -- As Alice wanders through the dreamscape of Looking-Glass Land in Lewis Carroll's "Through the Looking-Glass and What Alice Found There" she happens across a book written in an unintelligible language. Inside she discovers an epic poem filled with nonsense fearsome creatures and whimsical language. Dive into Carroll's legendary poem "Jabberwocky" and see if you can make sense of the nonsense. Poem by Lewis"
YouTube Link 2020-09-17T15:04Z 22.4M followers, 1.2M engagements
"Particles and waves: The central mystery of quantum mechanics - Chad Orzel View full lesson: http://ed.ted.com/lessons/particles-and-waves-the-central-mystery-of-quantum-mechanics-chad-orzel One of the most amazing facts in physics is that everything in the universe from light to electrons to atoms behaves like both a particle and a wave at the same time. But how did physicists arrive at this mind-boggling conclusion Chad Orzel recounts the string of scientists who built on each others discoveries to arrive at this central mystery of quantum mechanics. Lesson by Chad Orzel animation by Joana"
YouTube Link 2014-09-15T15:20Z 22.4M followers, 1.1M engagements
"Is Chandigarh a perfectly planned city - Vikramditya Praksh Explore the construction of the futurist city Chandigarh a project of Prime Minister Jawaharlal Nehru and planned by Le Corbusier. -- In [----] India achieved independence from British rule but this freedom came at a tremendous cost. Jawaharlal Nehru Indias first Prime Minister was eager to usher his country towards a brighter united future. And one of the projects that would prove most essential to realizing this vision was the construction of Chandigarh. Vikramditya Praksh details the creation of the futurist city. Lesson by"
YouTube Link 2024-02-08T16:01Z 22.4M followers, 605.5K engagements
"The chaotic brilliance of artist Jean-Michel Basquiat - Jordana Moore Saggese Learn about the life of American artist Jean-Michel Basquiat from his start as part of graffiti duo SAMO to his rise as an internationally renowned painter. -- Like Beat writers who composed their work by shredding and reassembling scraps of writing artist Jean-Michel Basquiat used similar techniques to remix his materials. Pulling in splintered anatomy reimagined historical scenes and skulls he repurposed present day experiences and art history into an inventive visual language. Jordana Moore Saggese explores the"
YouTube Link 2019-02-28T16:00Z 22.4M followers, 1.2M engagements
"The power of vulnerability - Bren Brown Bren Brown studies human connection -- our ability to empathize belong love. In a poignant funny talk she shares a deep insight from her research one that sent her on a personal quest to know herself as well as to understand humanity. A talk to share. (Filmed at TEDxHouston.) Talk by Bren Brown. Brene Brown TED TEDx TEDxHouston humanity vulnerability emphathy belonging love human connection TED-Ed TED Ed TEDEducation Brene Brown TED TEDx TEDxHouston humanity vulnerability emphathy belonging love human connection TED-Ed TED Ed TEDEducation"
YouTube Link 2013-07-10T20:36Z 22.4M followers, 220.7K engagements
"The Egyptian myth of Isis and the seven scorpions - Alex Gendler Dive into the Egyptian myth of Isis a powerful goddess protecting her son from her murderous brother with the help of seven scorpions. -- A woman in rags emerged from a swamp flanked by seven giant scorpions and approached a magnificent mansion to beg for food. But the mistress of the house took one look at her grimy clothes and unusual companions and slammed the door in her face. Little did the mistress know the woman was no ordinary beggar but the most powerful goddess in Egypt. Alex Gendler details the myth of Isis. Lesson by"
YouTube Link 2020-03-02T15:59Z 22.4M followers, 2.7M engagements
"Did Shakespeare write his plays - Natalya St. Clair and Aaron Williams View full lesson: http://ed.ted.com/lessons/did-shakespeare-write-his-plays-natalya-st-clair-and-aaron-williams Some people question whether Shakespeare really wrote the works that bear his name or whether he even existed at all. Could it be true that the greatest writer in the English language was as fictional as his plays Natalya St. Clair and Aaron Williams show how a linguistic tool called stylometry might shed light on the answer. Lesson by Natalya St. Clair and Aaron Williams animation by Pink Kong Studios. TED"
YouTube Link 2015-02-24T16:05Z 22.4M followers, 1.1M engagements
"Why is ketchup so hard to pour - George Zaidan View full lesson: http://ed.ted.com/lessons/why-is-ketchup-so-hard-to-pour-george-zaidan Ever go to pour ketchup on your fries.and nothing comes out Or the opposite happens and your plate is suddenly swimming in a sea of red George Zaidan describes the physics behind this frustrating phenomenon explaining how ketchup and other non-Newtonian fluids can suddenly transition from solid to liquid and back again. Lesson by George Zaidan animation by TOGETHER. George Zaidan TOGETHER Hector Herrera ketchup ketchup fail how to pour ketchup physics"
YouTube Link 2014-04-08T15:00Z 22.4M followers, 3.3M engagements
"What causes headaches - Dan Kwartler Download a free audiobook and support TED-Ed's nonprofit mission: https://adbl.co/2Hejwql Check out Oliver Sacks's "The Man Who Mistook His Wife for a Hat": http://bit.ly/2Hk8ShM View full lesson: https://ed.ted.com/lessons/what-causes-headaches-dan-kwartler In ancient Greece the best-known remedy for a long-standing headache was to drill a small hole in the skull to drain supposedly infected blood. Fortunately doctors today dont resort to power tools to cure headaches but we still have a lot to learn about this ancient ailment. Dan Kwartler shares what we"
YouTube Link 2018-04-12T15:01Z 22.4M followers, 7.6M engagements
"A tour of the ancient Greek Underworld - Iseult Gillespie Download a free audiobook version of The Song of Achilles" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed -- Achilles just slain in the Trojan War arrives in the Underworld and is greeted by Sibyl of Cumae a prophetess and also the realms local guide. Though it gets a bad rap Sibyl is determined to prove to the newcomer that hell is actually a lovely place to live; bursting with historic charm and eccentric neighbors. Iseult Gillespie takes a tour of the Underworld and its most infamous inhabitants. Lesson by"
YouTube Link 2023-10-24T15:00Z 22.4M followers, 1.2M engagements
"How do you know you exist - James Zucker View full lesson: http://ed.ted.com/lessons/how-do-you-know-you-exist-james-zucker How do you know youre real Is existence all just a big dream Has some mad scientist duped us into simply believing that we exist James Zucker investigates all of these questions (and more) in this mind-boggling tribute to Ren Descartess "Meditations on First Philosophy." Lesson by James Zucker animation by Stretch Films Inc. James Zucker Stretch Films Descartes Rene Descartes Meditations On First Philosophy (Book) philosophy existence Existentialism (Literary School Or"
YouTube Link 2014-08-14T15:21Z 22.4M followers, 2.6M engagements
"The woman who stared at the Sun - Alex Gendler Get to know the legacy of Hisako Koyama whose drawings of the Suns surface helped scientists reconstruct [---] years of sunspot activity. -- In [----] amateur astronomer Hisako Koyamas latest endeavor was sketching the Suns shifting surface. She spent weeks angling her telescope towards the Sun and tracking every change she saw with drawings. Little did she know these drawings were the start of one of the most important records of solar activity in human history. Alex Gendler details the incredible legacy of Koyama's work. Lesson by Alex Gendler"
YouTube Link 2021-05-24T15:00Z 22.4M followers, 2.4M engagements
"Why do we have museums - J. V. Maranto View full lesson: http://ed.ted.com/lessons/why-do-we-have-museums-j-v-maranto Museums have been a part of human history for over [----] years -- but they weren't always like the ones we visit today. J. V. Maranto uncovers the evolution of museums from the first museum in [---] BC (curated by a princess) to PT Barnums freak shows and beyond. Lesson by J. V. Maranto animation by Zedem Media. TED TED-Ed TEDx Museums Science Art Anthropology Natural history Iraq Sculpture Mosaic Muses Mesopotamia Ennigaldi-Nanna E-Gig-Par Gladiators Wunderkammers Menagerie"
YouTube Link 2015-02-05T16:13Z 22.4M followers, 613.5K engagements
"The history of tattoos - Addison Anderson View full lesson: http://ed.ted.com/lessons/the-history-of-tattoos-addison-anderson If you have a tattoo youre part of a rich cultural history that dates back at least [----] years. Where did this practice of body modification come from and how has its function changed over time Addison Anderson tracks the history of getting inked. Lesson by Addison Anderson animation by The Think Blot. Addison Anderson Think Blot tattoo history of tattoo maori body modification TED TED-Ed TED Ed TEDEducation Addison Anderson Think Blot tattoo history of tattoo maori"
YouTube Link 2014-09-18T15:07Z 22.4M followers, 2.4M engagements
"When to use apostrophes - Laura McClure View full lesson: http://ed.ted.com/lessons/when-to-use-apostrophes-laura-mcclure Its possessive. Its often followed by Ss. And its sometimes tricky when it comes to its usage. Its the apostrophe. Laura McClure gives a refresher on when to use apostrophes in writing. Lesson by Laura McClure animation by Karrot Animation. Apostrophe Grammar Possession Contraction Sentence Writing Karrot Laura McClure Apostrophe Grammar Possession Contraction Sentence Writing Karrot Laura McClure"
YouTube Link 2015-07-27T15:06Z 22.4M followers, 1.3M engagements
"Can you solve the prisoner hat riddle - Alex Gendler View full lesson: http://ed.ted.com/lessons/can-you-solve-the-prisoner-hat-riddle-alex-gendler Want more Try the buried treasure riddle: https://www.youtube.com/watchv=tCeklW2e6_E You and nine other individuals have been captured by super-intelligent alien overlords. The aliens think humans look quite tasty but their civilization forbids eating highly logical and cooperative beings. Unfortunately theyre not sure whether you qualify so they decide to give you all a test. Can you solve this hat riddle Alex Gendler shows how. Lesson by Alex"
YouTube Link 2015-10-05T15:13Z 22.4M followers, 35.1M engagements
"An unsung hero of the civil rights movement - Christina Greer Learn about the life of Bayard Rustin a leader in the Civil Rights Movement a gay rights activist and one of Martin Luther Kings closest advisors. -- In [----] Martin Luther King Jr. delivered his I Have a Dream speech at the March on Washington to nearly a quarter million people. None of it would have been possible without the marchs chief organizer a man named Bayard Rustin. Christina Greer details his life of advocacy as a leader in the Civil Rights Movement and the challenges he faced as an openly gay Black man. Lesson by"
YouTube Link 2019-02-21T16:00Z 22.4M followers, 512.5K engagements
"How to speed up chemical reactions (and get a date) - Aaron Sams View full lesson: http://ed.ted.com/lessons/how-to-speed-up-chemical-reactions-and-get-a-date The complex systems of high school dating and chemical reactions may have more in common than you think. Explore five rules for speeding up chemical reactions in the lab that might just land you a date to a dance Lesson by Mark Paricio & Aaron Sams animation by Cognitive Media. Aaron Sams TED TED-Ed chemistry chemical reaction catalyst lab reaction science Cognitive Media TED Education Aaron Sams TED TED-Ed chemistry chemical reaction"
YouTube Link 2012-06-18T14:20Z 22.4M followers, 2.4M engagements
"The fight for the right to vote in the United States - Nicki Beaman Griffin View full lesson: http://ed.ted.com/lessons/the-fight-for-the-right-to-vote-in-the-united-states-nicki-beaman-griffin In the United States today if you are over eighteen a citizen and the resident of a state you can vote (with some exceptions). So how have voting rights changed since the first election in [----] Nicki Beaman Griffin outlines the history of the long fight for a more inclusive electorate. Lesson by Nicki Beaman Griffin animation by Flaming Medusa Studios. United States Of America (Country) Civics History"
YouTube Link 2013-11-05T16:05Z 22.4M followers, 849.7K engagements
"Whats a squillo and why do opera singers need it - Ming Luke Discover the techniques opera singers use to project their voices over the orchestra and the importance of a singers squillo. -- An orchestra fills an opera house with music but a singers voice soars above the instruments. Its melody rings out across thousands of patrons all without any assistance from a microphone. How is it possible that a single voice can be heard so clearly The answer lies in the physics of the human voice. Ming Luke explains the carefully honed technique of an expert opera singer. Lesson by Ming Luke directed"
YouTube Link 2020-03-09T15:01Z 22.4M followers, 620.1K engagements
"Where we get our fresh water - Christiana Z. Peppard View full lesson: http://ed.ted.com/lessons/where-we-get-our-fresh-water-christiana-z-peppard Fresh water accounts for only 2.5% of Earth's water yet it is vital for human civilization. What are our sources of fresh water In the first of a two part series on fresh water Christiana Z. Peppard breaks the numbers down and discusses who is using it and to what ends. Lesson by Christiana Z. Peppard animation by Jeremy Collins. Jeremy Collins Christiana Peppard water fresh water drinking ocean ground polar surface h2o TEDEducation TED-Ed TED Ed"
YouTube Link 2013-02-12T16:04Z 22.4M followers, 480.1K engagements
"How to improve your singing Think Like A Musician Opera singer Denyce Graves-Montgomery shares how to find your voice range breath and ultimately your truth. -- "Think Like A Musician" connects you with working musicians who want to help the music-curious and music-passionate hone and share the gift of music with the world. Part interview part animated course our first season "Think Like A Performer" features artists sharing their insight on the ins and outs of fine-tuning your instrument and crafting a great performance. Each episode features free supplemental learning materials developed by"
YouTube Link 2025-09-16T15:02Z 22.4M followers, 813.8K engagements
"When is a pandemic over Explore the three strategies governments and communities can use to contain and end a pandemic and find out which method is best. -- Consider the following scenario: a highly infectious sometimes deadly respiratory virus infects humans for the first time. It spreads rapidly worldwide and the WHO declares a pandemic. The death toll starts to rise and everyone is asking the same question: when will the pandemic end Alex Rosenthal details the three main strategies governments can use to contain and end a pandemic. Lesson by Alex Rosenthal directed by Visorama. Animator's"
YouTube Link 2020-06-01T15:00Z 22.4M followers, 5.1M engagements
"How playing an instrument benefits your brain - Anita Collins Check out our Patreon page: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/how-playing-an-instrument-benefits-your-brain-anita-collins When you listen to music multiple areas of your brain become engaged and active. But when you actually play an instrument that activity becomes more like a full-body brain workout. What's going on Anita Collins explains the fireworks that go off in musicians' brains when they play and examines some of the long-term positive effects of this mental workout. Lesson by Anita"
YouTube Link 2014-07-22T15:04Z 22.4M followers, 14.7M engagements
"Four sisters in Ancient Rome - Ray Laurence Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter How did the young wealthy women of Ancient Rome spend their days Meet Domitia and her sister Domitia and her sister Domitia and her sister Domitia. Ray Laurence sketches the domestic life of leisure that these young girls lived despite little recorded information on women from this otherwise well-documented era. Lesson by Ray Laurence animation by Cognitive Media. Ancient Rome Rome history sisters women Rome Ancient Ray Laurence Cognitive Media TED-Ed TED Ed"
YouTube Link 2013-05-14T17:31Z 22.4M followers, 10.2M engagements
"What do all languages have in common - Cameron Morin Dig into Noam Chomskys theory of universal grammar and decide: are there universal grammar rules and are they hardwired into our brains -- Language is endlessly variable. Each of us can come up with an infinite number of sentences in our native language and were able to do so from an early age almost as soon as we start to communicate in sentences. How is this possible In the early 1950s Noam Chomsky proposed a theory that the key to this versatility was grammar. Cameron Morin details Chomsky's theory of universal grammar. Lesson by Cameron"
YouTube Link 2020-06-29T15:00Z 22.4M followers, 891.7K engagements
"How to write descriptively - Nalo Hopkinson View full lesson: http://ed.ted.com/lessons/how-to-write-fiction-that-comes-alive-nalo-hopkinson The point of fiction is to cast a spell a momentary illusion that you are living in the world of the story. But as a writer how do you suck your readers into your stories in this way Nalo Hopkinson shares some tips for how to use language to make your fiction really come alive. Lesson by Nalo Hopkinson animation by Enjoyanimation. TED TED-Ed TEDx TED Education Fiction Literature Nalo Hopkinson English literature Prose Writing Tactile language Non-tactile"
YouTube Link 2015-11-16T16:37Z 22.4M followers, 5.9M engagements
"An athlete uses physics to shatter world records - Asaf Bar-Yosef View full lesson: http://ed.ted.com/lessons/an-athlete-uses-physics-to-shatter-world-records-asaf-bar-yosef When Dick Fosbury couldn't compete against the skilled high jumpers at his college he tried jumping in a different way -- backwards. Fosbury improved his record immediately and continued to amaze the world with his new technique all the way to Olympic gold. Asaf Bar-Yosef explains the physics behind the success of the now dominant Fosbury Flop. Lesson by Asaf Bar-Yosef animation by NEIGHBOR. Fosbury Flop Dick Fosbury"
YouTube Link 2014-02-18T16:41Z 22.4M followers, 2.2M engagements
"Can humans be trusted with control over genetics - Michael Vazquez and Raye Ploeger Puzzle through this classic ethical dilemma and decide: should parents be able to choose genetic traits for their children -- Andre and Leslie are a deaf couple who have decided to have a child and theyre considering using a process to ensure deafness in their child. As deaf parents they feel they could provide better guidance to a child that would share their lived experience and grow up immersed in deaf culture. But is this genetic intervention ethical Michael Vazquez and Raye Ploeger explore this classic"
YouTube Link 2025-09-02T15:00Z 22.4M followers, 147.6K engagements
"How big is a mole (Not the animal the other one.) - Daniel Dulek View full lesson here: http://ed.ted.com/lessons/daniel-dulek-how-big-is-a-mole-not-the-animal-the-other-one The word "mole" suggests a small furry burrowing animal to many. But in this lesson we look at the concept of the mole in chemistry. Learn the incredible magnitude of the mole--and how something so big can help us calculate the tiniest particles in the world. Lesson by Daniel Dulek animation by Augenblick Studios. TED-Ed TEDEducation TED Education Avogadro's Numer mole chemistry mol TED-Ed TEDEducation TED Education"
YouTube Link 2012-09-11T21:59Z 22.4M followers, 2.8M engagements
"Schrdinger's cat: A thought experiment in quantum mechanics - Chad Orzel View full lesson: http://ed.ted.com/lessons/schrodinger-s-cat-a-thought-experiment-in-quantum-mechanics-chad-orzel Austrian physicist Erwin Schrdinger one of the founders of quantum mechanics posed this famous question: If you put a cat in a sealed box with a device that has a 50% chance of killing the cat in the next hour what will be the state of the cat when that time is up Chad Orzel investigates this thought experiment. Lesson by Chad Orzel animation by Agota Vegso. Chad Orzel Agota Vegso Schrdinger's Cat physics"
YouTube Link 2014-10-14T15:02Z 22.4M followers, 9.2M engagements
"How ancient art influenced modern art - Felipe Galindo View full lesson: http://ed.ted.com/lessons/how-ancient-art-influenced-modern-art-felipe-galindo The term modern art sounds like it means art that is popular now but the style actually originated over [---] years ago and includes artists like Picasso Matisse and Gauguin. Whats more ironic is that this movement they pioneered considered revolutionary at the time was inspired largely by objects of traditional and ancient design. Felipe Galindo details ancient influences on modern art. Lesson by Felipe Galindo animation by TED-Ed. TED-Ed TED"
YouTube Link 2016-02-25T16:02Z 22.4M followers, 434.4K engagements
"The science of macaroni salad: What's in a mixture - Josh Kurz View full lesson: http://ed.ted.com/lessons/the-science-of-macaroni-salad-what-s-in-a-mixture-josh-kurz What's in macaroni salad Break down the pasta mayonnaise vinegar mustard vegetables etc. and you're left with a bunch of molecules. Josh Kurz uses a delicious recipe to exemplify three types of mixtures (solution colloid and suspension) while reminding us that we're all made of the same stuff. Lesson and animation by Josh Kurz. macaroni salad how to make macaroni salad cooking recipe Josh Kurz chemistry colloid mixture"
YouTube Link 2013-07-31T15:04Z 22.4M followers, 704.2K engagements
"Why is glass transparent - Mark Miodownik View full lesson: http://ed.ted.com/lessons/why-is-glass-transparent-mark-miodownik If you look through your glasses binoculars or a window you see the world on the other side. How is it that something so solid can be so invisible Mark Miodownik melts the scientific secret behind amorphous solids. Lesson by Mark Miodownik animation by Provincia Studio. Mark Miodownik glass how to make glass amorphos solid science Provincia Studio TED-Ed TED Ed TEDEducation TED Mark Miodownik glass how to make glass amorphos solid science Provincia Studio TED-Ed TED Ed"
YouTube Link 2014-02-04T17:03Z 22.4M followers, 5M engagements
"The art forger who tricked the Nazis - Noah Charney Discover how the notorious art forger Han van Meegeren tricked the world and the Nazis with his counterfeit Vermeer paintings. -- It was one of the strangest trials in Dutch history. The defendant in a [----] case was an art forger who had counterfeited millions of dollars worth of paintings. But he wasnt arguing his innocence in fact his life depended on proving that he had committed fraud. Who was this artist and why was he on trial for his life Noah Charney investigates the notorious Han van Meegeren. Lesson by Noah Charney directed by Hype"
YouTube Link 2020-04-06T15:00Z 22.4M followers, 1.9M engagements
"A brief history of chess - Alex Gendler Trace the storied history of the game of chess from its origins in 7th century India to the computer software we use today. -- The attacking infantry advances their elephants already having broken the defensive line. The king tries to retreat but the enemy flanks him from the rear. Escape is impossible. This isnt a real war nor is it just a game. Over the [----] years of its existence chess has been known as a military strategy tool a metaphor for human affairs and a measure of genius. Alex Gendler shares its history. Lesson by Alex Gendler directed by"
YouTube Link 2019-09-12T15:00Z 22.4M followers, 12.4M engagements
"How to become a great singer Think Like A Musician Professional vocalists share how to give a great vocal performance by experimenting with styles training and taking care of your voice. -- "Think Like A Musician" connects you with working musicians who want to help the music-curious and music-passionate hone and share the gift of music with the world. Part interview part animated course our first season "Think Like A Performer" features artists sharing their insight on the ins and outs of fine-tuning your instrument and crafting a great performance. Each episode features free supplemental"
YouTube Link 2025-10-30T15:00Z 22.4M followers, 135.2K engagements
"Is it bad to hold your pee - Heba Shaheed Check out our Patreon page: patreon.com/teded View full lesson: http://ed.ted.com/lessons/is-it-bad-to-hold-your-pee-heba-shaheed Humans should urinate at least four to six times a day but occasionally the pressures of modern life force us to clench and hold it in. How bad is this habit and how long can our bodies withstand it Heba Shaheed takes us inside the bladder to find out. Lesson by Heba Shaheed animation by Artrake Studio. Heba Shaheed Artrak Studio Bladder what does the bladder do kidneys pelvic floor urethra urine body waste ureters how full"
YouTube Link 2016-10-10T15:02Z 22.4M followers, 9.6M engagements
"What makes a language. a language - Martin Hilpert Dig into the distinction between a language and a dialect and uncover the history of standardized languages. -- Outside of China Mandarin and Cantonese are often referred to as Chinese dialects despite being even more dissimilar than Spanish and Italian. On the other hand speakers of Danish Norwegian and Swedish which are three distinct languages can usually communicate with each other in their native tongues. So when is speech considered a dialect versus a language Martin Hilpert investigates. Lesson by Martin Hilpert directed by Lusa M H"
YouTube Link 2021-09-09T15:00Z 22.4M followers, 868.7K engagements
"The tragedy of the one guy who was right about the Trojan Horse - Noah Charney Explore the famous depictions of the tale of Laocon who the gods punished for warning the Trojans about the Greeks' wooden horse. -- Laocon a seer and priest was deeply suspicious of the enormous wooden horse that the Greeks left in Troy and cautioned the Trojans not to accept this strange offering. But their fate was already sealed the gods granted the Greeks victory and punished the priest for threatening their success. Noah Charney explores how Laocons tragic tale inspired countless artists across the ancient"
YouTube Link 2024-08-22T15:01Z 22.4M followers, 597.2K engagements
"What is epigenetics - Carlos Guerrero-Bosagna View full lesson: http://ed.ted.com/lessons/how-the-choices-you-make-can-affect-your-genes-carlos-guerrero-bosagna Heres a conundrum: Identical twins originate from the same DNA . so how can they turn out so different even in traits that have a significant genetic component Carlos Guerrero-Bosagna explains that while nature versus nurture has a lot to do with it a deeper related answer can be found within something called epigenetics. Lesson by Carlos Guerrero-Bosagna animation by Chris Bishop. Carlos Guerrero-Bosagna Chris Bishop Epigenetics"
YouTube Link 2016-06-27T15:05Z 22.4M followers, 2.4M engagements
"Whats the best way to lift people out of poverty Explore different poverty intervention and aid programs and how direct cash giving can address a community's needs. -- In [----] a nonprofit gave every adult in the Ahenyo village $500. Most families had lived in extreme poverty for generations and this sum was roughly equivalent to their annual salaries. The money came with no strings attached to how it could be spent. Would this lift villagers out of poverty or be another failed philanthropic endeavor Explore aid programs and how they address people's needs. Directed by Jolene Tan. Support Our"
YouTube Link 2025-10-23T15:01Z 22.4M followers, 1M engagements
"What the oil industry doesnt want you to know - Stephanie Honchell Smith Uncover the oil industrys decades-long campaign to discredit climate change science regarding the danger of fossil fuels. -- Throughout the 1980s oil industry reps discussed the dangers of burning fossil fuels acknowledging the risk their product posed to the future of humanity. However instead of warning the public or pivoting towards renewable energy sources they doubled down on oil and launched a decades-long campaign to discredit climate change science. Stephanie Honchell Smith digs into Big Oil's tactics. Lesson by"
YouTube Link 2024-07-25T15:00Z 22.4M followers, 885.3K engagements
"How false news can spread - Noah Tavlin Dive into the phenomenon known as circular reporting and how it contributes to the spread of false news and misinformation. -- In previous decades most news with global reach came from several major newspapers and networks with the resources to gather information directly. The speed with which information spreads now however has created the ideal conditions for something called circular reporting. Noah Tavlin sheds light on this phenomenon. Lesson by Noah Tavlin animation by Patrick Smith. Sign up for our newsletter: http://bit.ly/TEDEdNewsletter"
YouTube Link 2015-08-27T15:12Z 22.4M followers, 2.6M engagements
"Will laser blasters ever be possible - Christopher Baird Learn more at https://brilliant.org/TedEd -- A fleet of rebel spaceships is greeted by a frenzy of laser blasts illuminating the sector with brilliant bursts of light. Science fiction has shown us scenes like this for decades but the lasers in our daily lives seem far less dazzling and destructive. So could sci-fi laser weaponry ever exist And how do lasers even work in the first place Christopher Baird investigates. Lesson by Christopher Baird directed by Igor ori Artrake Studio. This video made possible in collaboration with Brilliant"
YouTube Link 2026-01-13T16:00Z 22.4M followers, 147.3K engagements
"How squids outsmart their predators - Carly Anne York Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-squids-outsmart-their-predators-carly-anne-york There are about [---] species of squid and they live in all the worlds oceans making them a reliable food source for whales dolphins sharks seabirds fish - and even other squid. As a result the squid's most extraordinary adaptations are those that have evolved to help them thwart these predators. Carly Anne York explains how these stealthy cephalopods have mastered deep sea survival."
YouTube Link 2018-05-14T15:02Z 22.4M followers, 3M engagements
"One of the most epic engineering feats in history - Alex Gendler Dig into the history of the construction of the iconic Brooklyn Bridge and how John Roebling designed a hybrid suspension system to build it. -- In the mid-19th century suspension bridges were collapsing all across Europe. Their industrial cables frayed and snapped under the weight of their decks. So when German American engineer John Roebling proposed building the largest and most expensive suspension bridge ever conceived New York City officials were understandably skeptical. Alex Gendler details the building of the iconic"
YouTube Link 2020-02-11T16:00Z 22.4M followers, 1.6M engagements
"Do you really need to take [-----] steps a day - Shannon Odell Discover the benefits of walking and how this simple exercise can positively impact the health of your body and brain. -- For years Jean Bliveau walked from country to country with the goal of circumnavigating the globe on foot. While few people have the time or desire to walk such extreme lengths research shows that adding even a modest amount of walking to your daily routine can dramatically improve your health. So what exactly happens to your body when you increase your step count Shannon Odell investigates. Lesson by Shannon"
YouTube Link 2025-01-02T16:01Z 22.4M followers, 9M engagements
"Should you trust your first impression - Peter Mende-Siedlecki View full lesson: http://ed.ted.com/lessons/should-you-trust-your-first-impression-peter-mende-siedlecki You can't help it; sometimes you just get a bad feeling about someone that's hard to shake. So what's happening in your brain when you make that critical (and often lasting) first judgment Peter Mende-Siedlecki shares the social psychology of first impressions -- and why they may indicate that deep down people are basically good. Lesson by Peter Mende-Siedlecki animation by TOGETHER. Hector Herrera Together Peter"
YouTube Link 2013-08-15T15:02Z 22.4M followers, 3.3M engagements
"Why tragedies are alluring - David E. Rivas View full lesson: http://ed.ted.com/lessons/why-tragedies-are-alluring-david-e-rivas The story goes something like this: A royal rich or righteous individual who is otherwise a lot like us makes a mistake that sends his or her life spiraling into ruin. It's the classic story arc for a Greek tragedy and we love it so much that we continue to use it today. David E. Rivas shares three critical story components influenced by Aristotles Poetics to help illustrate the allure. Lesson by David E. Rivas animation by Globizco. Tragedy Tragic hero Greek"
YouTube Link 2015-07-09T15:12Z 22.4M followers, 753.3K engagements
"Where do math symbols come from - John David Walters Sign up for our newsletter here: https://ed.ted.com/newsletter View full lesson: https://ed.ted.com/lessons/where-do-math-symbols-come-from-john-david-walters Math is full of symbols: lines dots arrows English letters Greek letters superscripts subscripts . it can look like an illegible jumble. Where did all of these symbols come from John David Walters shares the origins of mathematical symbols and illuminates why theyre still so important in the field today. Lesson by John David Walters directed by Chris Bishop. Thank you so much to our"
YouTube Link 2017-10-30T15:02Z 22.4M followers, 2.7M engagements
"The satisfying math of folding origami - Evan Zodl Dig into the mathematical rules and patterns of folding origami the ancient Japanese art of paper folding. -- Origami which literally translates to folding paper is a Japanese practice dating back to at least the 17th century. In origami a single traditionally square sheet of paper can be transformed into almost any shape purely by folding. The same simple concepts yield everything from a paper crane with about [--] steps to a dragon with over [----] steps. Evan Zodl explores the ancient art form. Lesson by Evan Zodl directed by Charlotte Arene."
YouTube Link 2021-02-11T16:05Z 22.4M followers, 481.2K engagements
"How did they build the Great Pyramid of Giza - Soraya Field Fiorio Explore how the ancient Egyptians built the Great Pyramid a tomb created for Pharaoh Khufu which took over [--] years to complete. -- As soon as Pharaoh Khufu ascended the throne circa [----] BCE work on his eternal resting place began. The structures architect Hemiunu determined he would need [--] years to finish the royal tomb. But what he could not predict was that this monument would remain the worlds tallest manmade structure for over [----] years. Soraya Field Fiorio digs into the construction of the Great Pyramid. Lesson by"
YouTube Link 2022-10-13T15:01Z 22.4M followers, 1.8M engagements
"Three anti-social skills to improve your writing - Nadia Kalman View full lesson: http://ed.ted.com/lessons/three-anti-social-skills-to-improve-your-writing-nadia-kalman You need social skills to have a conversation in real life -- but they're quite different from the skills you need to write good dialogue. Educator Nadia Kalman suggests a few "anti-social skills" like eavesdropping and muttering to yourself that can help you write an effective dialogue for your next story. Lesson by Nadia Kalman animation by Enjoyanimation. TEDEducation TED-Ed TED Ed Nadia Kalman enjoyanimation Joyce"
YouTube Link 2012-11-20T16:00Z 22.4M followers, 3.6M engagements
"How smart are orangutans - Lu Gao View full lesson: http://ed.ted.com/lessons/how-smart-are-orangutans-lu-gao Along with humans orangutans belong to the Hominidae family tree which stretches back [--] million years. But its not just their striking red hair that makes orangutans unique among our great ape cousins. Lu Gao shares some amazing facts about these incredibly intelligent great apes from Asia. Lesson by Lu Gao animation by Anton Bogaty. Lu Gao Orangutan baby orangutan awesome nature conservation primates monkey behaviour chimps Indonesia poachers how smart are orangutans why are"
YouTube Link 2016-08-30T15:00Z 22.4M followers, 4M engagements
"The physics behind Einsteins most famous equation - Lindsay DeMarchi and Fabio Pacucci Learn more at https://brilliant.org/TedEd -- Ever since Einstein published his Special Theory of Relativity one equation has been the bane of humans hoping to explore the stars: E=mc. In addition to informing our understanding of gravity space and time this formula implies that traveling at or beyond light speed is impossible. Why is that Lindsay DeMarchi and Fabio Pacucci explain the physics behind this unbreakable speed limit. Lesson by Lindsay DeMarchi and Fabio Pacucci directed by Igor ori Artrake"
YouTube Link 2025-06-24T15:01Z 22.4M followers, 368.1K engagements
"How to prevent political corruption - Stephanie Honchell Smith Explore common types of corruption and find out what we can do to combat it and promote transparency in our institutions. -- Corruption is often defined as misuse of a position of power for personal gain. And while corruption in politics is nothing new it isnt limited to the political sphere; it can happen in schools sports businesses or religious institutions. So what exactly is corruption and what can we do to combat it Stephanie Honchell Smith explores the importance of transparency in building public trust. Lesson by Stephanie"
YouTube Link 2024-04-11T15:01Z 22.4M followers, 799.1K engagements
"How X-rays see through your skin - Ge Wang View full lesson: http://ed.ted.com/lessons/how-x-rays-see-through-your-skin-ge-wang Originally discovered by accident X-rays are now used about [---] million times a year in clinics around the world. How do these magic eyes work Ge Wang details the history and mechanics of the X-ray machine and CT scanners. Lesson by Ge Wang animation by Pink Kong Studios. Ge Wang Pink Kong Studios X-ray CT scan science physics how x-rays work TED TED-Ed TED Ed TEDEducation Ge Wang Pink Kong Studios X-ray CT scan science physics how x-rays work TED TED-Ed TED Ed"
YouTube Link 2015-06-22T15:14Z 22.4M followers, 2.3M engagements
"One of the most banned books of all time - Mollie Godfrey Explore why Maya Angelous memoir I Know Why The Caged Bird Sings became one of the most frequently banned books of all time. -- In [----] a school district removed one of American literatures most acclaimed works from its curriculum. Parents pushing for the ban said the book was both sexually explicit and anti-white. The book at the center of this debate was Maya Angelous I Know Why The Caged Bird Sings. Why was the memoir so controversial Mollie Godfrey digs into one of the most banned books of all time. Lesson by Mollie Godfrey"
YouTube Link 2023-02-21T16:01Z 22.4M followers, 856.5K engagements
"Can you solve the cheating royal riddle - Dan Katz Practice more problem-solving at https://brilliant.org/TedEd/ -- Youre the chief advisor to an eccentric king who needs to declare his successor. He wants his heir to be good at arithmetic lucky and above all else honest. So hes devised a competition to test his children and ordered you to choose the winner. The future of the kingdom is in your hands. Can you find the worthiest successor Dan Katz shows how. Lesson by Dan Katz directed by Artrake Studio. Animator's website: https://www.artrake.com Sign up for our newsletter:"
YouTube Link 2020-08-11T15:00Z 22.4M followers, 5.8M engagements
"These squids can fly. no really - Robert Siddall Dive into the incredible flying capabilities of squids and how they use flight as a survival tactic. -- In [----] explorers noticed a strange phenomenon while crossing the Pacific Ocean. Somehow small squid known to live deep beneath the waves kept appearing on the roof of their boat. The crew was mystified until they saw the squids soaring above the sea for roughly [--] meters. How and why do these marine creatures take to the sky Robert Siddall explores the high-flying capabilities of cephalopods. Lesson by Robert Siddall directed by Matt"
YouTube Link 2021-01-11T16:00Z 22.4M followers, 1.9M engagements
"The history of chocolate - Deanna Pucciarelli View full lesson: http://ed.ted.com/lessons/the-history-of-chocolate-deanna-pucciarelli If you cant imagine life without chocolate youre lucky you werent born before the 16th century. Until then chocolate only existed as a bitter foamy drink in Mesoamerica. So how did we get from a bitter beverage to the chocolate bars of today Deanna Pucciarelli traces the fascinating and often cruel history of chocolate. Lesson by Deanna Pucciarelli animation by TED-Ed. TED TED-Ed TED Ed TEDEducation chocolate history of chocolate cacao cacao bean cocoa bean"
YouTube Link 2017-03-16T16:54Z 22.4M followers, 11M engagements
"What staying up all night does to your brain - Anna Rothschild Explore how pulling an all-nighter can impact your cognitive function and find out what happens to your brain when you don't sleep. -- Youre just one history final away from a relaxing spring break. But you still have so much to study You decide to follow in the footsteps of many students before you and pull an all-nighter. So what happens to your brain when you stay up all night And does cramming like this actually help you prepare for a test Anna Rothschild explores how a sleepless night impacts your cognitive function. Lesson"
YouTube Link 2024-11-21T16:01Z 22.4M followers, 6.8M engagements
"The true story behind the legend of the [--] Rnin - Adam Clulow Dig into one of Japans most infamous stories about the [--] samurai who take revenge for the loss of their leader. -- Asano Naganori lord of Ak domain fixed his gaze on Kira Yoshinaka a senior master of ceremony. Asano extended his short sword charged through the castle and struck Kira. While the wound wasnt fatal its consequences would be. What brought about this violent quarrel And what would come of Asano and his samurai Adam Clulow shares the legend of the [--] Rnin and their quest for revenge. Lesson by Adam Clulow directed by"
YouTube Link 2024-04-09T15:00Z 22.4M followers, 577K engagements
"Platos best (and worst) ideas - Wisecrack View full lesson: http://ed.ted.com/lessons/plato-s-best-and-worst-ideas-wisecrack Check out Wisecrack's YouTube channel here: https://goo.gl/A5vb5K Few individuals have influenced the world and many of todays thinkers like Plato. He created the first Western university and was teacher to Ancient Greeces greatest minds including Aristotle. But even he wasnt perfect. Along with his great ideas Plato had a few that havent exactly stood the test of time. Wisecrack gives a brief rundown of a few of Platos best and worst ideas. Lesson by Wisecrack"
YouTube Link 2016-10-25T15:01Z 22.4M followers, 5.1M engagements
"Why are earthquakes so hard to predict - Jean-Baptiste P. Koehl Take a look at the theories behind why earthquakes occur what makes them so hard to predict and the warning system technologies we rely on today. -- In [---] CE Zhang Heng presented his latest invention: a large vase he claimed could tell them whenever an earthquake occurredfor hundreds of miles.Today we no longer rely on pots as warning systems but earthquakes still offer challenges to those trying to track them. Why are earthquakes so hard to anticipate and how could we get better at predicting them Jean-Baptiste P. Koehl"
YouTube Link 2019-04-08T15:00Z 22.4M followers, 1.4M engagements
"Why do we cry The three types of tears - Alex Gendler Check out our Patreon page: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/why-do-we-cry-the-three-types-of-tears-alex-gendler Whether we cry during a sad movie while chopping onions or completely involuntarily our eyes are constantly producing tears. Alex Gendler tracks a particularly watery day in the life of Iris (the iris) as she cycles through basal reflex and emotional tears. Lesson by Alex Gendler animation by The Moving Company Animation Studio. Alex Gendler The Moving Company Animation Studio Iris eye"
YouTube Link 2014-02-26T17:23Z 22.4M followers, 7M engagements
"How we see color - Colm Kelleher View full lesson: http://ed.ted.com/lessons/how-we-see-color-colm-kelleher There are three types of color receptors in your eye: red green and blue. But how do we see the amazing kaleidoscope of other colors that make up our world Colm Kelleher explains how humans can see everything from auburn to aquamarine. Talk by Colm Kelleher animation by TED-Ed. retina eye primary colors frequency light Colm Kelleher Jeremiah Dickey TEDEducation TED-Ed TED Ed retina eye primary colors frequency light Colm Kelleher Jeremiah Dickey TEDEducation TED-Ed TED Ed"
YouTube Link 2013-01-08T16:27Z 22.4M followers, 1.6M engagements
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