#  @teded TED-Ed TED-Ed posts on YouTube about education, history, science, health 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 [---------] +3.90% - [--] Month [----------] +16% - [--] Months [-----------] +28% - [--] Year [-----------] +88% ### Mentions: [-----] [#](/creator/youtube::UCsooa4yRKGN_zEE8iknghZA/posts_active)  - [--] Week [-----] +7.50% - [--] Month [-----] +5.20% - [--] Months [-----] +10% - [--] Year [-----] +75% ### 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) 16.17% [travel destinations](/list/travel-destinations) #5633 [finance](/list/finance) 5.47% [technology brands](/list/technology-brands) 1.91% [social networks](/list/social-networks) 1.16% [stocks](/list/stocks) 1% [automotive brands](/list/automotive-brands) 0.91% [celebrities](/list/celebrities) 0.91% [musicians](/list/musicians) 0.58% [luxury brands](/list/luxury-brands) 0.33% **Social topic influence** [education](/topic/education) #171, [history](/topic/history) #649, [science](/topic/science) #447, [health](/topic/health) #436, [in the](/topic/in-the) #5988, [how to](/topic/how-to) #2937, [the world](/topic/the-world) #1504, [can you](/topic/can-you) #429, [solve](/topic/solve) #147, [check](/topic/check) #590 **Top accounts mentioned or mentioned by** [@vibeattractor](/creator/undefined) [@breland](/creator/undefined) [@gracebowers](/creator/undefined) [@info](/creator/undefined) [@tonysuccar](/creator/undefined) [@voguesfashionvault](/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) [@mathsphysicslovers](/creator/undefined) [@learningjunction](/creator/undefined) [@astrowala](/creator/undefined) [@educationfusion](/creator/undefined) [@ilknuuuracar](/creator/undefined) [@bos_ahst](/creator/undefined) ### Top Social Posts Top posts by engagements in the last [--] hours "Greeting the world in peace - Jackie Jenkins View full lesson: http://ed.ted.com/lessons/jackie-jenkins-greeting-the-world-in-peace Conflict and cultural clashes are a part of our global reality but so is the universal desire for peace. From Bangladesh to Myanmar to Lesotho discover this inspiring common sentiment in traditional greetings of peace. Lesson by Jackie Jenkins animation by TED-Ed. TED-Ed TEDEducation TED Education culture greetings namaste global peace travel Jackie Jenkins TED-Ed TEDEducation TED Education culture greetings namaste global peace travel Jackie Jenkins" [YouTube Link](https://youtube.com/watch?v=-VwpxDCmTs4) 2012-09-04T15:05Z 22.4M followers, 151.9K engagements "The real reason dodo birds went extinct - Leon Claessens Uncover the most common misperceptions about dodos and find out the truth of how the flightless birds actually went extinct. -- Dodos are commonly considered brainless blundering birds that were poorly adapted and doomed to die off making their human-mediated extinction effortless and inevitable. But thats not the case. So what were dodos actually like And what really caused their downfall Leon Claessens uncovers the truth about these misunderstood and maligned creatures. Lesson by Leon Claessens directed by Denys Spolitak. Support Our" [YouTube Link](https://youtube.com/watch?v=0EBFpj60LRY) 2024-01-30T16:00Z 22.4M followers, 749.1K engagements "A clever way to estimate enormous numbers - Michael Mitchell View the full lesson here: http://ed.ted.com/lessons/michael-mitchell-a-clever-way-to-estimate-enormous-numbers Have you ever tried to guess how many pieces of candy there are in a jar Or tackled a mindbender like: "How many piano tuners are there in Chicago" Physicist Enrico Fermi was very good at problems like these -- learn how he used the power of [--] to make amazingly fast estimations of big numbers. Lesson by Michael Mitchell animation by Mark Phillips. numbers speed of sound speed of light estimate estimation mathematics" [YouTube Link](https://youtube.com/watch?v=0YzvupOX8Is) 2012-09-12T15:06Z 22.4M followers, 1.1M engagements "Who were Las Mariposas and why were they murdered - Lisa Krause Get to know the story of the Mirabal sisters who led a revolution against Rafael Trujillos dictatorship in the Dominican Republic. -- For over [--] years thousands of people were imprisoned tortured and murdered under Rafael Trujillos dictatorship in the Dominican Republic. Three sisters would go on to lead an underground revolution. But while their courage inspired many it threatened the man in power and their lives would come to a tragic early end. Who were these brave women Lisa Krause tells the story of Las Mariposas. Lesson by" [YouTube Link](https://youtube.com/watch?v=1e7bhUjUEJ8) 2021-03-08T16:00Z 22.4M followers, 1.8M engagements "The myth of Oisn and the land of eternal youth - Iseult Gillespie Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-myth-of-oisin-and-the-land-of-eternal-youth-iseult-gillespie In a typical heros journey the protagonist sets out on an adventure undergoes great change and returns in triumph to their point of origin. But in the Irish genre of myth known as echtra the journey to the otherworld ends in a point of no return. Iseult Gillespie shares the myth of Oisn and the land of eternal youth. Lesson by Iseult Gillespie animation by Paper" [YouTube Link](https://youtube.com/watch?v=1nFcXcPldzY) 2018-01-18T15:57Z 22.4M followers, 2.8M engagements "Savitri and Satyavan: The legend of the princess who outwitted Death - Iseult Gillespie Dig into the tale of Princess Savitri and her one true love Satyavan and the tragic prophecy that entwined their fates forever. -- Princess Savitri was benevolent brilliant and bright. Her grace was known throughout the land and many princes and merchants flocked to her familys palace to seek her hand in marriage. But upon witnessing her blinding splendor in person the men lost their nerve. Unimpressed with these suitors she determined to find a husband herself. Iseult Gillespie tells the tale of Savitri" [YouTube Link](https://youtube.com/watch?v=1vB0gFi8uow) 2021-01-12T16:00Z 22.4M followers, 6.3M engagements "Why isnt the Netherlands underwater - Stefan Al Dig into the incredible engineering of the Netherlands Delta Works the most sophisticated flood prevention system in the world. -- In January [----] a tidal surge shook the North Sea. The titanic waves flooded the Dutch coastline killing almost [----] people. [--] years later a similar storm threatened the region. But this time they were ready. This was thanks to a massive interlocking system known as the Delta Works the most sophisticated flood prevention project in the world. Stefan Al dives into this marvel of engineering. Lesson by Stefan Al" [YouTube Link](https://youtube.com/watch?v=25LW_PG2ZuI) 2020-03-24T15:01Z 22.4M followers, 3.8M engagements "The myth of Icarus and Daedalus - Amy Adkins View full lesson: http://ed.ted.com/lessons/the-myth-of-icarus-and-daedalus-amy-adkins In mythological ancient Greece Icarus flew above Crete on wings made from wax and feathers defying the laws of man and nature. To witnesses on the ground he looked like a god and he felt like one too. But in his society the line that separated god from man was absolute and the punishment for mortals who attempted to cross it was severe. Amy Adkins explains the myth of Icarus and Daedalus. Lesson by Amy Adkins animation by TED-Ed. TED TED-Ed TED Ed TED Education" [YouTube Link](https://youtube.com/watch?v=3s2QPQnuaGk) 2017-03-13T15:01Z 22.4M followers, 9.4M engagements "Can you solve the unstoppable blob riddle - Dan Finkel A shooting star crashes onto Earth and unleashes a hideous rampaging blob. Can you stop it from destroying the planet -- A shooting star crashes onto Earth and a hideous blob emerges. It creeps and leaps it glides and slides. Its also unstoppable: no matter what you throw at it it just re-grows and continues its rampage. The only way to save the planet is to cut the entire blob into precise acute triangles while it sleeps rendering it inert. Can you stop the blob from destroying the planet Dan Finkel shows how. Lesson by Dan Finkel" [YouTube Link](https://youtube.com/watch?v=4peuImhJj44) 2019-03-18T15:00Z 22.4M followers, 9.1M engagements "The contributions of female explorers - Courtney Stephens View full lesson: http://ed.ted.com/lessons/the-contributions-of-female-explorers-courtney-stephens During the Victorian Age women were unlikely to become great explorers but a few intelligent gritty and brave women made major contributions to the study of previously little-understood territory. Courtney Stephens examines three women -- Marianne North Mary Kingsley and Alexandra David-Nel -- who wouldn't take no for an answer (and shows why we should be grateful that they didn't). Lesson by Courtney Stephens animation by Lizzi Akana." [YouTube Link](https://youtube.com/watch?v=60GAfOakQHA) 2013-06-12T15:10Z 22.4M followers, 487.9K engagements "The movement that inspired the Holocaust - Alexandra Minna Stern and Natalie Lira Trace the history of the eugenics movement in the US and discover how the belief in ideal genetics led to forced sterilizations. -- Since ancient Greece humans have controlled populations via reproduction retaining some traits and removing others. But in the 19th century a new scientific movement dedicated to this endeavor emerged: eugenics. Scientists believed they could improve society by ensuring that only desirable traits were passed down. Alexandra Minna Stern and Natalie Lira detail the history of eugenics" [YouTube Link](https://youtube.com/watch?v=6zCpRVP1DgQ) 2022-03-10T16:00Z 22.4M followers, 1.8M engagements "The myth of the Sampo an infinite source of fortune and greed - Hanna-Ilona Hrmvaara 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 Check out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/kalevala -- After a skirmish at sea and long days of being battered by waves Vinminen a powerful bard as old as the world itself washed up on the shores of distant Pohjola. A cunning witch nursed him back to health but demanded a reward for" [YouTube Link](https://youtube.com/watch?v=71fLFOjruFc) 2019-09-23T15:00Z 22.4M followers, 2.3M engagements "How fast can a vaccine be made - Dan Kwartler Dig into the three key phases of developing a new vaccine: exploratory research clinical testing and manufacturing. -- When a new pathogen emerges our bodies and healthcare systems are left vulnerable. And when this pathogen causes the outbreak of a pandemic theres an urgent need for a vaccine to create widespread immunity with minimal loss of life. So how quickly can we develop vaccines when we need them most Dan Kwartler describes the three phases of vaccine development. Lesson by Dan Kwartler directed by Good Bad Habits. Animator's website:" [YouTube Link](https://youtube.com/watch?v=74WQgNa3OsQ) 2020-06-15T15:01Z 22.4M followers, 1.1M engagements "Listening to shame - Bren Brown Shame is an unspoken epidemic the secret behind many forms of broken behavior. Bren Brown whose earlier talk on vulnerability became a viral hit explores what can happen when people confront their shame head-on. Her own humor humanity and vulnerability shine through every word. Talk by Bren Brown. Brene Brown shame vulnerability psychology TED TED-Ed TED Ed TEDEducation Brene Brown shame vulnerability psychology TED TED-Ed TED Ed TEDEducation" [YouTube Link](https://youtube.com/watch?v=7jtZdSRst94) 2013-07-19T19:57Z 22.4M followers, 415.3K engagements "The rise and fall of the Assyrian Empire - Marian H Feldman Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-rise-and-fall-of-the-assyrian-empire-marian-h-feldman Before the sun never set on the British Empire; before Genghis Khan swept the steppe; before Rome extended its influence to encircle the Mediterranean Sea; there was ancient Assyria. Considered by historians to be the first true empire Assyrias innovations laid the groundwork for every superpower that has followed. Marian H Feldman details the rise and fall of the Assyrian" [YouTube Link](https://youtube.com/watch?v=7pa54hWROpQ) 2018-04-24T15:00Z 22.4M followers, 3.3M engagements "Claws vs. nails - Matthew Borths Discover the evolutionary purpose of nails and explore the theories of why they evolved from claws over [--] million years ago. -- Consider the claw. Frequently found on animals around the world its one of natures most versatile tools. Bears use claws for digging as well as defense. An eagles needle-like talons can pierce the skulls of their prey. Even the ancestors of primates used to wield these impressive appendages until their claws evolved into nails. So what caused this adaptation Matthew Borths investigates. Lesson by Matthew Borths directed by Augenblick" [YouTube Link](https://youtube.com/watch?v=7w2gCBL1MCg) 2019-10-29T15:04Z 22.4M followers, 2.5M engagements ""Accents" by Denice Frohman An animated interpretation of Denice Frohman's poem "Accents" -- Watch an interview with the poet here: https://youtu.be/MbA7hvrDneo This animation is part of our series "There's a Poem for That" which features animated interpretations of poems both old and new that give language to some of life's biggest feelings. Check out the full series here: http://bit.ly/TEDEdTheresAPoemForThat Poem by Denice Frohman directed by KAPWA / Robertino Zambrano. Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Support us on Patreon: http://bit.ly/TEDEdPatreon Follow us on" [YouTube Link](https://youtube.com/watch?v=84ZcT1jDCjk) 2019-05-02T15:01Z 22.4M followers, 339.5K engagements "The origin of countless conspiracy theories - PatrickJMT View full lesson: http://ed.ted.com/lessons/the-origin-of-countless-conspiracy-theories-patrickjmt Check out PatrickJMT's YouTube channel here: https://www.youtube.com/user/patrickJMT Why can we find geometric shapes in the night sky How can we know that at least two people in London have exactly the same number of hairs on their head And why can patterns be found in just about any text even Vanilla Ice lyrics PatrickJMT describes the Ramsey theory which states that given enough elements in a set or structure some interesting pattern" [YouTube Link](https://youtube.com/watch?v=88_C-fogY40) 2016-05-19T15:06Z 22.4M followers, 2.3M engagements "The moral roots of liberals and conservatives - Jonathan Haidt View full lesson: http://ed.ted.com/lessons/jonathan-haidt-on-the-moral-roots-of-liberals-and-conversatives Psychologist Jonathan Haidt studies the five moral values that form the basis of our political choices whether we're left right or center. In this eye-opening talk he pinpoints the moral values that liberals and conservatives tend to honor most. Jonathan Haidt studies how -- and why -- we evolved to be moral. By understanding more about our moral roots his hope is that we can learn to be civil and open-minded. Talk by" [YouTube Link](https://youtube.com/watch?v=8SOQduoLgRw) 2012-12-31T16:00Z 22.4M followers, 2.8M engagements "Do politics make us irrational - Jay Van Bavel Dig into the psychology of political partisanship how to recognize it and what strategies can be used to combat it. -- Can someones political identity actually affect their ability to process information The answer lies in a cognitive phenomenon known as partisanship. While identifying with social groups is an essential and healthy part of life it can become a problem when the groups beliefs are at odds with reality. So how can we recognize and combat partisanship Jay Van Bavel shares helpful strategies. Lesson by Jay Van Bavel directed by" [YouTube Link](https://youtube.com/watch?v=8yOoOL9PC-o) 2020-02-04T16:00Z 22.4M followers, 587.9K engagements "How the bendy straw was invented Moments of Vision [--] - Jessica Oreck View full lesson: http://ed.ted.com/lessons/how-the-bendy-straw-was-invented-moments-of-vision-12-jessica-oreck Today Americans use an estimated [---] million drinking straws every day. But where did the idea for this beloved utensil come from In the twelfth installment of our Moments of Vision series Jessica Oreck shares the origins of the bendy straw. Lesson and animation by Jessica Oreck. TED Joseph B. Friedman straw paper straw bendy straw milkshake soda parlor screw dental floss utensil TED-Ed TED Education TED Ed" [YouTube Link](https://youtube.com/watch?v=9keTby6wcrk) 2017-06-01T15:01Z 22.4M followers, 435.7K engagements "The rise and fall of the Berlin Wall - Konrad H. Jarausch Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-rise-and-fall-of-the-berlin-wall-konrad-h-jarausch On August [--] [----] construction workers began tearing up streets and erecting barriers in Berlin. This night marked the beginning of one of historys most infamous dividing lines: the Berlin Wall. Construction continued for a decade as the wall cut through neighborhoods separated families and divided not just Germany but the world. Konrad H. Jarausch details the history of the" [YouTube Link](https://youtube.com/watch?v=A9fQPzZ1-hg) 2017-08-16T15:02Z 22.4M followers, 9.8M engagements "The myth of Pegasus and the chimera - Iseult Gillespie Discover the myth of Bellerophon the hero who battled and killed the Chimera monster atop the winged horse Pegasus. -- Shielded from the gorgons stone gaze Perseus crept through Medusas cave. When he reached her he drew his sickle and brought it down on her neck. From Medusa's neck sprung two children. One was a giant wielding a golden sword; the other was the magnificent winged horse Pegasus. No bridle could contain him until one fateful day. Iseult Gillespie details the myth of the hero Bellerophon. Lesson by Iseult Gillespie directed" [YouTube Link](https://youtube.com/watch?v=BDprlH1sK_Y) 2022-09-29T15:00Z 22.4M followers, 1.1M engagements "Rosalind Franklin: DNA's unsung hero - Cludio L. Guerra Get to know Rosalind Franklin a scientist whose work was integral to discovering the double helix structure of DNA. -- The discovery of the structure of DNA was one of the most important scientific achievements in human history. The now-famous double helix is almost synonymous with Watson and Crick two of the scientists who won the Nobel prize for figuring it out. But theres another name you may not know: Rosalind Franklin. Cludio L. Guerra shares the true story of the woman behind the helix. Lesson by Cludio L. Guerra animation by Chris" [YouTube Link](https://youtube.com/watch?v=BIP0lYrdirI) 2016-07-11T15:02Z 22.4M followers, 1.9M engagements "What is a gift economy - Alex Gendler View full lesson: http://ed.ted.com/lessons/what-is-a-gift-economy-alex-gendler What if this holiday season instead of saying "thank you" to your aunt for her gift of a knitted sweater the polite response expected from you was to show up at her house in a week with a better gift Or to vote for her in the town election Or let her adopt your firstborn child Alex Gendler explains how all of these things might not sound so strange if you were involved in a gift economy. Lesson by Alex Gendler animation by Avi Ofer. TED-Ed TEDEd TED TEDx Economy Gift Present" [YouTube Link](https://youtube.com/watch?v=EaxjxICgahc) 2014-12-23T16:10Z 22.4M followers, 495.9K engagements "The other "Golden Rule" - David L. Hu Dive into the physics of the Other Golden Rule and explore the systems and methods animals use to excrete waste. -- A cats bladder can only store a golf balls worth of urine. For humans its a coffee mug and for elephants a kitchen trash can. An elephants bladder is [---] times the size of a cats but it doesnt take an elephant [---] times longer to pee. So how does this work David L. Hu digs into what scientists call the Other Golden Rule. Lesson by David L. Hu directed by Anton Bogaty. Support Our Non-Profit Mission" [YouTube Link](https://youtube.com/watch?v=EidLGwyYpBE) 2020-11-05T16:01Z 22.4M followers, 378.5K engagements "Whats the best country to live in Discover the shortcomings of using GDP to measure a countrys well-being and what alternatives can be used to gauge quality of life. -- Whats the best country to live in Is it the one with the best food The longest life expectancy The best weather For the past [--] years most governments have relied heavily on a single number: the Gross Domestic Product or GDP. But it was never intended for its current purpose; and some argue that we are addicted to making it grow. Explore the different ways countries measure quality of life. Directed by Xenia Galchin AIM" [YouTube Link](https://youtube.com/watch?v=EqJcNnijmdQ) 2022-06-30T15:01Z 22.4M followers, 778.5K engagements "Group theory 101: How to play a Rubiks Cube like a piano - Michael Staff View full lesson: http://ed.ted.com/lessons/group-theory-101-how-to-play-a-rubik-s-cube-like-a-piano-michael-staff Mathematics explains the workings of the universe from particle physics to engineering and economics. Math is even closely related to music and their common ground has something to do with a Rubik's Cube puzzle. Michael Staff explains how group theory can teach us to play a Rubiks Cube like a piano. Lesson by Michael Staff animation by Shixie. Group theory Michael Staff TED TED-Ed TED Education TEDx Integers" [YouTube Link](https://youtube.com/watch?v=FW2Hvs5WaRY) 2015-11-02T16:29Z 22.4M followers, 1.7M 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 "How does an atom-smashing particle accelerator work - Don Lincoln View full lesson: http://ed.ted.com/lessons/how-does-an-atom-smashing-particle-accelerator-work-don-lincoln An atom smasher or particle accelerator collides atomic nuclei together at extremely cold temperatures very low air pressure and hyperbolically fast speeds. Don Lincoln explains how scientists harness the power of both electric and magnetic fields to smash atoms eventually leading to major discoveries about the matter in our universe. Lesson by Don Lincoln animation by Sputnik Animation" [YouTube Link](https://youtube.com/watch?v=G6mmIzRz_f8) 2013-04-18T15:07Z 22.4M followers, 763.4K engagements "Why do our bodies age - Monica Menesini View full lesson: http://ed.ted.com/lessons/why-do-our-bodies-age-monica-menesini Human bodies arent built for extreme aging: our capacity is set at about [--] years. But what does aging really mean and how does it counteract the bodys efforts to stay alive Monica Menesini details the nine physiological traits that play a central role in aging. Lesson by Monica Menesini animation by Cinematic. Monica Menesini Cinematic Pen-Pen Chen Aging Ageing life expectancy Jeanne Calment mortality living longer cell repair senescence telomere telomere attrition stem" [YouTube Link](https://youtube.com/watch?v=GASaqPv0t0g) 2016-06-09T15:01Z 22.4M followers, 3.2M engagements "The myth of the stolen eyeballs - Nathan D. Horowitz Discover the Siekopai myth of the air goblins spirits who fly and control the winds as they clash with the human world. -- Deep in the Amazon rainforest in the river Neaocoy lived a school of particularly big and tasty fish. When the rains came and the water rose the fish appeared and swam away as the waters fell. Villagers along the river followed them to a lagoon and set up camp. But their young shaman soon sensed they might not be completely alone. Nathan D. Horowitz details the Siekopai myth of the air goblins. Lesson by Nathan D." [YouTube Link](https://youtube.com/watch?v=GmtcxWswrB8) 2020-10-05T15:00Z 22.4M followers, 1.5M engagements "What light can teach us about the universe - Pete Edwards View full lesson: http://ed.ted.com/lessons/what-light-can-teach-us-about-the-universe-pete-edwards Humanity has long been looking at the universe and asking the big questions: How did it begin How will it end Cosmologists are searching hard for the answers but where do they even start The answer is light. Pete Edwards outlines the six unique messages that light carries which when put together disclose a stunning amount of information to astronomers. Lesson by Pete Edwards animation by Bevan Lynch. Pete Edwards universe light Edwin" [YouTube Link](https://youtube.com/watch?v=HZ7hwUduMoU) 2014-07-31T15:04Z 22.4M followers, 329.9K engagements "The amazing ways plants defend themselves - Valentin Hammoudi Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-amazing-ways-plants-defend-themselves-valentin-hammoudi Plants are constantly under attack. They face threats ranging from microscopic fungi to small herbivores like caterpillars up to large herbivores like elephants. But plants are ready with a whole series of internal and external defenses that make them a less appealing meal or even a deadly one. Valentin Hammoudi explains some of the fascinating ways that plants defend" [YouTube Link](https://youtube.com/watch?v=Hja0SLs2kus) 2017-08-28T15:05Z 22.4M followers, 4.4M engagements "Are you a body with a mind or a mind with a body - Maryam Alimardani Download a free audiobook version of The Three Body Problem" and support TED-Ed's nonprofit mission: http://www.audible.com/teded -- Our bodies the physical biological parts of us and our minds the thinking conscious aspects have a complicated tangled relationship. Which one primarily defines you or your self Are you a body with a mind or a mind with a body Maryam Alimardani investigates. Lesson by Maryam Alimardani directed by Ivana Bonjak & Thomas Johnson. View full lesson:" [YouTube Link](https://youtube.com/watch?v=ILDy6kYU-xQ) 2017-09-25T14:59Z 22.4M followers, 3.5M engagements "Can you outsmart a troll (by thinking like one) - Claire Wardle Explore the strategies employed by trolls and learn how disinformation campaigns are launched and how to stop them. -- Your town is holding a mayoral election and the stakes have never been higher. You suspect one of the candidates will begin pushing false information to swing the election. As the cybersecurity expert your job is to inoculate the townspeople against false information. First you must learn the strategies of disinformation trolls. Claire Wardle explores the tactics of disinformation campaigns. Lesson by Claire" [YouTube Link](https://youtube.com/watch?v=Iu4OdhjnN4I) 2020-10-29T15:00Z 22.4M followers, 865.8K engagements "Which sunscreen should you choose - Mary Poffenroth View full lesson: http://ed.ted.com/lessons/which-sunscreen-should-you-choose-mary-poffenroth Sunscreen comes in many forms each with its own impacts on your body and the environment. With so many options how do you choose which sunscreen is best for you To answer that question Mary Poffenroth explains how sunscreens work and compares different application methods SPFs and active ingredients to help you make the best choice. Lesson by Mary Poffenroth animation by Rob Kohr and Travis Spangler. Mary Poffenroth Rob Kohr Travis Spangler suncream" [YouTube Link](https://youtube.com/watch?v=JX8rv_natkw) 2016-08-01T15:02Z 22.4M followers, 569.3K engagements "The most common STI in the world - Emma Bryce Get informed on the causes and risks of human papillomavirus HPV and how to protect yourself from the infection. -- At some point most sexually active people will be infected with human papillomavirus or HPV. There are over [---] types of HPV and most of the time the body eliminates infections without symptoms but some strains can pose serious health risks down the line. How can you protect yourself from HPV Emma Bryce explains how the virus causes harm whos at risk and how to minimize those risks. Lesson by Emma Bryce directed by Sharon Colman." [YouTube Link](https://youtube.com/watch?v=KOz-bNhEHhQ) 2019-07-09T15:01Z 22.4M followers, 908.1K engagements "The happy secret to better work - Shawn Achor View full lesson: http://ed.ted.com/lessons/the-happy-secret-to-better-work-shawn-achor We believe that we should work to be happy but could that be backwards In this fast-moving and entertaining talk psychologist Shawn Achor argues that actually happiness inspires productivity. (Filmed at TEDxBloomington.) Talk by Shawn Achor" [YouTube Link](https://youtube.com/watch?v=LqeAiz691-s) 2013-06-16T15:13Z 22.4M followers, 198.2K engagements "The myth of Loki and the master builder - Alex Gendler Dive into the Norse myth of how Loki tricked a stranger into building the great wall of Asgard to keep the realm safe from giants. -- Asgard a realm of wonders was where the Norse Gods made their home. There Odins great hall of Valhalla towered above the mountains and Bifrost the rainbow bridge anchored itself. Though their domain was magnificent it stood undefended from the giants and trolls who sought to destroy them. But a stranger appeared and made the gods an offer. Alex Gendler details the myth of the master builder. Lesson by Alex" [YouTube Link](https://youtube.com/watch?v=MTz2f9yjmK8) 2019-11-14T16:00Z 22.4M followers, 2.7M engagements "Making a TED-Ed Lesson: Animation View full lesson: http://ed.ted.com/lessons/making-a-ted-ed-lesson-animation Ever wondered how a TED-Ed animation is made Go behind-the-scenes of "How do cancer cells behave differently from healthy ones" with educator George Zaidan animation director Biljana Labovic and animator Lisa LaBracio. animation ted-ed ted teded stop motion shimmering George Zaidan Lisa LaBracio Biljana Labovic animation ted-ed ted teded stop motion shimmering George Zaidan Lisa LaBracio Biljana Labovic" [YouTube Link](https://youtube.com/watch?v=OB6WYW6kp2s) 2013-05-27T14:57Z 22.4M followers, 117.1K engagements ""Ode to the Only Black Kid in the Class" poem by Clint Smith An animated interpretation of Clint Smith's poem "Ode to the Only Black Kid in the Class" -- Watch an interview with the poet here: https://youtu.be/xtGuRnYpYRM This animation is part of our series "There's a Poem for That" which features animated interpretations of poems both old and new that give language to some of life's biggest feelings. Check out the full series here: http://bit.ly/TEDEdTheresAPoemForThat Poem by Clint Smith directed by Niv Sekar. Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Support us on Patreon:" [YouTube Link](https://youtube.com/watch?v=OGoehR_k0Xk) 2019-09-09T15:00Z 22.4M followers, 260K engagements "Let's put birth control back on the agenda - Melinda Gates Contraception. The topic has become controversial in recent years. But should it be Melinda Gates believes that many of the world's social change issues depend on ensuring that women are able to control their rate of having kids. In this significant talk she makes the case for the world to re-examine an issue she intends to lend her voice to for the next decade. (Filmed at TEDxChange.) Talk by Melinda Gates" [YouTube Link](https://youtube.com/watch?v=PNKbbSniAig) 2013-06-05T20:12Z 22.4M followers, 23.5K 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, 479.8K engagements "Bird migration a perilous journey - Alyssa Klavans Explore why migration is so taxing and dangerous for birds and what ways we can help birds on their journey. -- Nearly [---] species of songbirds migrate south for winter some traveling up to [----] miles. No easy task the annual journey is dangerous to birds due to landscape change -- so much so that only half the birds that migrate south will return home for spring. Alyssa Klavans details why bird migration is so taxing and how we can assist our chirping friends. Lesson by Alyssa Klavans animation by Igor Coric. Sign up for our newsletter:" [YouTube Link](https://youtube.com/watch?v=Q-mMMpl_T80) 2013-09-17T15:12Z 22.4M followers, 282.2K engagements "What adults can learn from kids - Adora Svitak View full lesson: http://ed.ted.com/lessons/what-adults-can-learn-from-kids-adora-svitak Child prodigy Adora Svitak says the world needs "childish" thinking: bold ideas wild creativity and especially optimism. Kids' big dreams deserve high expectations she says starting with grownups' willingness to learn from children as much as to teach. Talk by Adora Svitak. dreams expectations idealist utopia utopian Adora Svitak TED TED Talk TED-Ed TEDEducation Ed dreams expectations idealist utopia utopian Adora Svitak TED TED Talk TED-Ed TEDEducation Ed" [YouTube Link](https://youtube.com/watch?v=TN79Qyddsf0) 2013-02-22T16:01Z 22.4M followers, 245.3K engagements "How pandemics spread Dig into the history of pandemics to learn how viruses and disease spreads and what we can do to stop future outbreaks. -- In our increasingly globalized world a single infected person can board a plane and spread a virus across continents. Mark Honigsbaum describes the history of pandemics and how that knowledge can help halt future outbreaks. Lesson by Mark Honigsbaum directed by Patrick Blower. Animator's website: http://www.patrickblower.com Educator's website: http://www.markhonigsbaum.co.uk Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Support us on" [YouTube Link](https://youtube.com/watch?v=UG8YbNbdaco) 2012-03-12T04:15Z 22.4M followers, 3.5M engagements "Who am I A philosophical inquiry - Amy Adkins View full lesson: http://ed.ted.com/lessons/who-am-i-a-philosophical-inquiry-amy-adkins Throughout the history of mankind the subject of identity has sent poets to the blank page philosophers to the agora and seekers to the oracles. These murky waters of abstract thinking are tricky to navigate so its probably fitting that to demonstrate the complexity the Greek historian Plutarch used the story of a ship. Amy Adkins illuminates Plutarchs Ship of Theseus. Lesson by Amy Adkins animation by Stretch Films Inc. Amy Adkins Ship of Theseus Philosophy" [YouTube Link](https://youtube.com/watch?v=UHwVyplU3Pg) 2015-08-11T15:31Z 22.4M followers, 4M engagements "What we know (and don't know) about Ebola - Alex Gendler View full lesson: http://ed.ted.com/lessons/what-we-know-and-don-t-know-about-ebola-alex-gendler The highly virulent Ebola virus has seen a few major outbreaks since it first appeared in [----] -- with the worst epidemic occurring in [----]. How does the virus spread and what exactly does it do to the body Alex Gendler details what Ebola is and why it's so hard to study. Lesson by Alex Gendler animation by Andrew Foerster. Ebola Ebola virus disease virus Ebola River ebola outbreak disease outbreak epidemic virus spread TED TED-Ed TED Ed" [YouTube Link](https://youtube.com/watch?v=UMMwgvLmN-M) 2014-12-04T16:03Z 22.4M followers, 2.1M engagements "Attack of the killer algae - Eric Noel Muoz View full lesson: http://ed.ted.com/lessons/attack-of-the-killer-algae-eric-noel-munoz As benign as it may look up close the tiny seaweed Caulerpa taxifolia can wreak quite a bit of havoc on coastal ecosystems. This super algae is very adaptable; it also grows fast and spreads easily. Eric Noel Muoz gives the details of this plant's incredible invasion shedding light on the risks of introducing invasive species into new ecosystems. Lesson by Eric Noel Muoz animation by Eli Enigenburg. Eric Noel Munoz Eli Enigenburg Caulperpa invasive species algae" [YouTube Link](https://youtube.com/watch?v=Vd4rgN6MYtg) 2014-06-24T15:05Z 22.4M followers, 424.9K engagements "The ancient origins of the Olympics - Armand D'Angour How did the Olympics become the greatest show of sporting excellence on Earth Dig into the history and evolution of the global event. -- Thousands of years in the making the Olympics began as part of a religious festival honoring the Greek god Zeus in the rural Greek town of Olympia. But how did it become the greatest show of sporting excellence on earth Armand DAngour explains the evolution of the Olympics. Lesson by Armand D'Angour animation by Diogo Viegas. Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Support us on Patreon:" [YouTube Link](https://youtube.com/watch?v=VdHHus8IgYA) 2015-09-03T15:03Z 22.4M followers, 2.5M engagements "Can you solve the Ragnarok riddle - Dan Finkel Practice more problem-solving at https://brilliant.org/TedEd/ -- Ragnarok: The fabled end of the world when giants monsters and Norse gods battle for the future. The gods were winning until the great serpent Jrmungandr emerged. It swallowed Valhalla and contorted itself across the land. Odin has just enough power to strike with one final bolt of lightning and you have the fabled hammer Mjlnir. Can you two destroy the serpent Dan Finkel shows how. Lesson by Dan Finkel directed by Artrake Studio. Animator's website: https://www.artrake.com Sign up" [YouTube Link](https://youtube.com/watch?v=VrqBX-Tck2A) 2020-06-30T15:09Z 22.4M followers, 5.4M engagements "How transistors work - Gokul J. Krishnan View full lesson: http://ed.ted.com/lessons/how-transistors-work-gokul-j-krishnan Modern computers are revolutionizing our lives performing tasks unimaginable only decades ago. This was made possible by a long series of innovations but theres one foundational invention that almost everything else relies upon: the transistor. Gokul J. Krishnan describes what a transistor is and how this small device enables all the amazing things computers can do. Lesson by Gokul J. Krishna animation by Augenblick Studios. Gokul J Krishna Augenblick Studios Transistors" [YouTube Link](https://youtube.com/watch?v=WhNyURBiJcU) 2016-06-06T15:09Z 22.4M followers, 983.5K engagements "The myth of Arachne - Iseult Gillespie Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-myth-of-arachne-and-athena-iseult-gillespie From sailors who were turned into pigs nymphs that sprouted into trees and a gaze that converted the beholder to stone Greek mythology brims with shape-shifters. The powerful Gods usually changed their own forms at will - but for mortals the mutations were often unwanted. Iseult Gillespie shares how one such unnerving transformation befell the spinner Arachne. Lesson by Iseult Gillespie animation by Mette" [YouTube Link](https://youtube.com/watch?v=XvUHcsZOhJ8) 2018-02-08T15:58Z 22.4M followers, 9.4M engagements "How bees help plants have sex - Fernanda S. Valdovinos View full lesson: http://ed.ted.com/lessons/how-bees-help-plants-have-sex-fernanda-s-valdovinos Plants have a hard time finding mates -- their inability to get up and move around tends to inhibit them. Luckily for plants bees and other pollinator species (including butterflies moths and birds) help matchmake these lonely plants in exchange for food. Fernanda S. Valdovinos explains how these intricate pollination networks work and how it can all change from one season to the next. Lesson by Fernanda S. Valdovinos animation by The Moving" [YouTube Link](https://youtube.com/watch?v=Y5uRVv7GGQM) 2014-06-17T15:29Z 22.4M followers, 181.2K engagements "How does your body know what time it is - Marco A. Sotomayor View full lesson: http://ed.ted.com/lessons/how-does-your-body-know-what-time-it-is-marco-a-sotomayor Being able to sense time helps us do everything from waking and sleeping to knowing precisely when to catch a ball thats hurtling towards us. And we owe all these abilities to an interconnected system of timekeepers in our brains. But how do they work Marco A. Sotomayor details how human bodies naturally tell time. Lesson by Marco A. Sotomayor animation by TOGETHER. Marco Sotomayor TOGETHER Hector Herrera Michel Siffre time" [YouTube Link](https://youtube.com/watch?v=Y8ZXOfWUbms) 2016-12-08T16:05Z 22.4M followers, 1M engagements "Why should you read Fahrenheit [---] - Iseult Gillespie Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter View full lesson: https://ed.ted.com/lessons/why-should-you-read-fahrenheit-451-iseult-gillespie Ray Bradburys novel imagines a world where books are banned- and possessing let alone reading them is forbidden.The protagonist Montag is a fireman responsible for destroying what remains. The story raises the question: how can you preserve your mind in a society where free will self-expression and curiosity are under fire Iseult Gillespie examines what makes" [YouTube Link](https://youtube.com/watch?v=YMZcp0EQO2s) 2019-01-22T15:59Z 22.4M followers, 4.2M 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, 393.4K engagements "The mighty mathematics of the lever - Andy Peterson and Zack Patterson View full lesson: http://ed.ted.com/lessons/the-mighty-mathematics-of-the-lever-andy-peterson-and-zack-patterson Archimedes once said Give me a place to stand and I shall move the Earth. While the idea of a person moving such a huge mass on their own might sound impossible chances are youve seen this idea in action at your local playground. Andy Peterson and Zack Patterson use the seesaw to illustrate the amazing implications and uses of the lever. Lesson by Andy Peterson and Zack Patterson animation by The Moving Company" [YouTube Link](https://youtube.com/watch?v=YlYEi0PgG1g) 2014-11-18T16:00Z 22.4M followers, 1.3M engagements "Why is there a "b" in doubt - Gina Cooke View full lesson: http://ed.ted.com/lessons/beyond-the-shadow-of-a-doubt-gina-cooke Say the word "doubt" aloud. What is that "b" doing there Does it have any purpose Gina Cooke explains the long and winding history of "doubt" and why the spelling though it seems random is a wink to its storied past. Lesson by Gina Cooke animation by The Leading Sheep Studios. TEDEducation TED-Ed TED Ed spelling Gina Cooke The Leading Sheep Studios doubt Latin Latin spelling silent letters how to spell spell doubt TEDEducation TED-Ed TED Ed spelling Gina Cooke The" [YouTube Link](https://youtube.com/watch?v=YvABHCJm3aA) 2012-12-17T16:04Z 22.4M followers, 719K engagements "Are food preservatives bad for you - Eleanor Nelsen View full lesson: http://ed.ted.com/lessons/are-preservatives-bad-for-you-eleanor-nelsen Food doesnt last. In days sometimes hours bread goes moldy apple slices turn brown and bacteria multiply in mayonnaise. But you can find all of these foods out on the shelf at the grocery store hopefully unspoiled -- thanks to preservatives. But what exactly are preservatives How do they help keep food edible And are they safe Eleanor Nelsen investigates. Lesson by Eleanor Nelsen animation by Compote Collective. Eleanor Nelsen Compote Collective" [YouTube Link](https://youtube.com/watch?v=ZJU34yTJL4M) 2016-11-08T16:02Z 22.4M followers, 1.4M engagements "The world's English mania - Jay Walker View full lesson: http://ed.ted.com/lessons/the-world-s-english-mania-jay-walker Jay Walker explains why two billion people around the world are trying to learn English. He shares photos and spine-tingling audio of Chinese students rehearsing English -- "the world's second language" -- by the thousands. Talk by Jay Walker. speak English Jay Walker TED TED Talk TEDEducation Ed TED-Ed speak English Jay Walker TED TED Talk TEDEducation Ed TED-Ed" [YouTube Link](https://youtube.com/watch?v=ZpILR21GWao) 2013-03-01T21:10Z 22.4M followers, 590.9K engagements "Pixar: The math behind the movies - Tony DeRose View full lesson: http://ed.ted.com/lessons/pixar-the-math-behind-the-movies-tony-derose The folks at Pixar are widely known as some of the world's best storytellers and animators. They are perhaps less recognized as some of the most innovative math whizzes around. Pixar Research Lead Tony DeRose delves into the math behind the animations explaining how arithmetic trigonometry and geometry help bring Woody and the rest of your favorite characters to life. Talk by Tony DeRose. Tony DeRose Pixar math animation animation and math Toy Story Finding" [YouTube Link](https://youtube.com/watch?v=_IZMVMf4NQ0) 2014-03-25T15:00Z 22.4M followers, 725.6K engagements "The historic womens suffrage march on Washington - Michelle Mehrtens Explore how the Womens Suffrage Parade on Washington in [----] helped women secure the right to vote in the United States through the 19th amendment. -- On March [--] [----] after months of strategic planning and controversy thousands of women gathered in Washington D.C. for the Womens Suffrage Parade -- the first mass protest for a womans right to vote. Michelle Mehrtens details how the march rejuvenated the fight for the 19th amendment. Lesson by Michelle Mehrtens directed by WOW-HOW Studio. Sign up for our newsletter:" [YouTube Link](https://youtube.com/watch?v=_KhYRqozTDE) 2019-03-04T16:00Z 22.4M followers, 678.1K engagements "How to visualize one part per million - Kim Preshoff + The TED-Ed Community View full lesson: http://ed.ted.com/lessons/how-to-visualize-one-part-per-million-kim-preshoff-the-ted-ed-community Parts per million is a scientific unit of measurement that counts the number of units of one substance per one million units of another. But because its hard to conceptualize really large numbers it can be difficult to wrap our brains around what one part per million really means. Kim Preshoff (with help from 100+ animators from the TED-Ed Community) shares nine helpful ways to visualize it. Lesson by" [YouTube Link](https://youtube.com/watch?v=aa-m8a-jZ0k) 2016-08-15T15:00Z 22.4M followers, 394.2K engagements "The incredible collaboration behind the International Space Station - Tien Nguyen View full lesson: http://ed.ted.com/lessons/the-incredible-collaboration-behind-the-international-space-station-tien-nguyen This video was created with the support of the U.S. Office of Research Integrity: http://ori.hhs.gov. The International Space Station is roughly the size of a six-bedroom house and weighs more than [---] cars -- it's so large that no single rocket could have lifted it into orbit. Instead it was assembled piece by piece while hurtling through space at [-----] kilometers per hour lapping the" [YouTube Link](https://youtube.com/watch?v=bJ3oTTm_Pdo) 2015-09-29T18:57Z 22.4M followers, 711.3K engagements "Does planting trees actually cool the planet - Carolyn Beans Dig into common mistakes that tree-planting programs make and explore strategies that can successfully re-green the planet. -- In fighting climate change few solutions are discussed more than planting lots and lots of trees. It sounds simple enough: trees absorb CO2 from the atmosphere so planting more should help eliminate greenhouse gasses. The trouble is tree planting efforts dont always work as planned. So when is it bad to plant trees Carolyn Beans explores strategies to successfully re-green the planet. Lesson by Carolyn Beans" [YouTube Link](https://youtube.com/watch?v=bbxmH_Kj7fk) 2023-12-19T16:00Z 22.4M followers, 613.3K engagements "The Japanese myth of the trickster raccoon - Iseult Gillespie Dive into the Japanese myth of the shape-shifting tanuki as the raccoon-like creature rewards a traveling salesman for his kindness. -- On the dusty roads of a small village a traveling salesman was having difficulty selling his wares. As he wandered the outskirts of town in the hopes of finding some new customers he heard a high-pitched yelp coming from the edge of the forest. Following the screams to their source he discovered a trapped tanuki. Iseult Gillespie details the Japanese myth of the shape-shifting creature. Lesson by" [YouTube Link](https://youtube.com/watch?v=dALZLB_W8Lc) 2021-01-25T16:00Z 22.4M followers, 1.2M engagements "The most lightning-struck place on Earth - Graeme Anderson View full lesson: http://ed.ted.com/lessons/the-most-lightning-struck-place-on-earth-graeme-anderson Lake Maracaibo is the stormiest place on the planet. Thunderstorms rage above this massive body of water for up to [---] days of the year with each ear-splitting event lasting for several hours. But why Graeme Anderson lists the factors that create Lake Maracaibo's seemingly ever-lasting storms. Lesson by Graeme Anderson animation by D. Lee Peffer II. D. Lee Peffer II Graeme Anderson Lake Maracaibo lightning weather storms D. Lee Peffer" [YouTube Link](https://youtube.com/watch?v=doy2BsHc-44) 2016-01-28T16:11Z 22.4M followers, 588.9K 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 "Network theory - Marc Samet View full lesson: http://ed.ted.com/lessons/what-facebook-and-the-flu-have-in-common-marc-samet From social media to massive financial institutions we live within a web of networks. But how do they work How does Googling a single word provide millions of results Marc Samet investigates how these networks keep us connected and how they remain "alive." Lesson by Marc Samet animation by Thinkmore Studios. Marc Samet Thinkmore Studios Google Facebook Google analytics social networks network theory six degrees of separation Marc Samet Thinkmore Studios Google Facebook" [YouTube Link](https://youtube.com/watch?v=eM1KaaTez0A) 2013-01-23T16:03Z 22.4M followers, 231.9K engagements "How to spot a liar - Pamela Meyer On any given day we're lied to from [--] to [---] times and the clues to detect those lie can be subtle and counter-intuitive. Pamela Meyer author of Liespotting shows the manners and "hotspots" used by those trained to recognize deception -- and she argues honesty is a value worth preserving. Talk by Pamela Meyer. Pamela Meyer TED liespotting how to tell when someone is lying deception honesty ethics morality TED-Ed TED Ed TEDEducation Pamela Meyer TED liespotting how to tell when someone is lying deception honesty ethics morality TED-Ed TED Ed TEDEducation" [YouTube Link](https://youtube.com/watch?v=eZ4zlkhdcCw) 2013-08-09T20:21Z 22.4M followers, 53K engagements "A guide to the energy of the Earth - Joshua M. Sneideman View full lesson: http://ed.ted.com/lessons/a-guide-to-the-energy-of-the-earth-joshua-m-sneideman Energy is neither created nor destroyed and yet the global demand for it continues to increase. But where does energy come from and where does it go Joshua M. Sneideman examines the many ways in which energy cycles through our planet from the sun to our food chain to electricity and beyond. Lesson by Joshua M. Sneideman animation by Marc Christoforidis" [YouTube Link](https://youtube.com/watch?v=fHztd6k5ZXY) 2014-06-30T15:11Z 22.4M followers, 1.3M engagements "The Aztec myth of the unlikeliest sun god - Kay Almere Read Discover the myth of how the weak and pimply Aztec god Nanahuatl sacrificed himself to become Lord Sun and created a new world. -- Nanahuatl weakest of the Aztec gods sickly and covered in pimples had been chosen to form a new world. There had already been four worlds each set in motion by its own Lord Sun and each had been destroyed. For a new world to be created another god had to leap into the great bonfire and become the fifth sun. Will Nanahuatl complete the sacrifice Kay A. Read recounts the myth of the sun. Lesson by Kay" [YouTube Link](https://youtube.com/watch?v=fMPG-2vXi-s) 2019-05-09T15:00Z 22.4M followers, 2.3M engagements "What Machiavellian really means - Pazit Cahlon and Alex Gendler Download a free audiobook version of "The Art of War" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed Check out our full book recommendation: https://shop.ed.ted.com/products/the-art-of-war -- From Shakespeares plays to modern TV dramas the unscrupulous schemer for whom the ends always justify the means has become a familiar character type we love to hate. For centuries weve had a single word to describe such characters: Machiavellian. But is it possible that weve been using that word wrong this whole time" [YouTube Link](https://youtube.com/watch?v=fUlGtrHCGzs) 2019-03-25T15:00Z 22.4M followers, 3.5M engagements "Why work doesn't happen at work - Jason Fried Jason Fried has a radical theory of working: that the office isn't a good place to do it. In his talk he lays out the main problems (call them the M&Ms) and offers three suggestions to make work work. (Filmed at TEDxMidWest.) Talk by Jason Fried. occupation job work office TED TEDx TEDxMidWest Jason Fried TED-Ed TED Ed TEDEducation occupation job work office TED TEDx TEDxMidWest Jason Fried TED-Ed TED Ed TEDEducation" [YouTube Link](https://youtube.com/watch?v=fXdsmvaXx78) 2013-07-10T20:38Z 22.4M followers, 94.6K engagements "Why do we sweat - John Murnan Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-do-we-sweat-john-murnan There are a number of scenarios that can make us sweatincluding exercise eating spicy foods and nervousness. But how does this substance suddenly materialize and what exactly is its purpose John Murnan explores the science behind sweat. Lesson by John Murnan directed by Dogzilla Studio. Thank you so much to our patrons for your support Without you this video would not be possible. Exal Enrique Cisneros Tuch Ana Maria Vignan Velivela" [YouTube Link](https://youtube.com/watch?v=fctH_1NuqCQ) 2018-05-15T14:59Z 22.4M followers, 1.4M engagements "How to live to be 100+ - Dan Buettner To find the path to long life and health Dan Buettner and team study the world's "Blue Zones" communities whose elders live with vim and vigor to record-setting age. In his talk he shares the [--] common diet and lifestyle habits that keep them spry past age [---]. (Filmed at TEDxTC.) Talk by Dan Buettner. diet longevity live to [---] lifestyle grow old blue zone Dan Buettner long life health TEDx TEDxTC TED-Ed TED Ed TEDEducation diet longevity live to [---] lifestyle grow old blue zone Dan Buettner long life health TEDx TEDxTC TED-Ed TED Ed TEDEducation" [YouTube Link](https://youtube.com/watch?v=ff40YiMmVkU) 2013-04-17T20:08Z 22.4M followers, 920.1K engagements "What causes body odor - Mel Rosenberg Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/what-causes-body-odor-mel-rosenberg Most of us dont need more than one whiff to identify that generally unpleasant characteristic smell we call body odor. But its a surprisingly complex phenomenon influenced by our genetic makeup age diet and hygiene. So what is this odor exactly Where does it come from And can we do anything about it Mel Rosenberg dives into the stinky science of body odor. Lesson by Mel Rosenberg animation by Els Decaluwe. Thank you so" [YouTube Link](https://youtube.com/watch?v=g96z1P3z5yU) 2018-04-05T15:01Z 22.4M followers, 5M engagements "Historys deadliest colors - J. V. Maranto View full lesson: http://ed.ted.com/lessons/history-s-deadliest-colors-j-v-maranto When radium was first discovered its luminous green color inspired people to add it into beauty products and jewelry. It wasnt until much later that we realized that radiums harmful effects outweighed its visual benefits. Unfortunately radium isnt the only pigment that historically seemed harmless or useful but turned out to be deadly. J. V. Maranto details historys deadliest colors. Lesson by J. V. Maranto animation by Juan M. Urbina" [YouTube Link](https://youtube.com/watch?v=gKfjHTk8KrY) 2017-05-22T15:02Z 22.4M followers, 8.5M engagements "Can you solve the trickster god riddle - Alex Rosenthal Loki has challenged you to a winner-take-all game to end Ragnarok. Can you beat him and win the right to rule the new world -- Ragnarok has been raging for far too long; many gods and heroes have fallen and the rest can barely stand. Loki his bright eyes dimmed by exhaustion asks to meet. He proposes that you and he settle the conflict with a game atop a sacred table engraved with your names. Can you beat the infamous trickster and win the right to rule the new world Alex Rosenthal shows how. Lesson by Alex Rosenthal directed by Igor ori" [YouTube Link](https://youtube.com/watch?v=hYo64qPEGw8) 2024-11-19T16:00Z 22.4M followers, 758.4K engagements "How a concubine became the ruler of Egypt - Abdallah Ewis Get to know the story of Shajar Al-Durr who was born enslaved and rose to become the ruler of Egypt. -- The year is [----] CE. King Louis IX is sailing the Nile threatening to overthrow the sultan and capture Egypt. Egypts commanders ask the sultans wife Shajar Al-Durr to report this news to the injured sultan. But they dont know the truth: the sultan is dead and she is secretly ruling in his stead. Who was this impressive woman Abdallah Ewis details the reign of the Sultana of Egypt. Lesson by Abdallah Ewis directed by Elahe Baloochi." [YouTube Link](https://youtube.com/watch?v=hkxnfnWtI2c) 2021-09-28T15:00Z 22.4M followers, 1.3M engagements "The sexual deception of orchids - Anne Gaskett Check out the fascinating ways orchids trick insects into pollinating using sexual deception pheromones and mimicking the shapes of other plants. -- Nearly [-----] species of orchid grow all around the world bearing every imaginable color shape and pattern. Theres a cunning purpose behind these elaborate displays: many orchids trick insects into pollinating sometimes even into having sex with them. How do they deploy these deceptive tactics Anne Gaskett dives into the surprisingly complex ways orchids attract insects. Lesson by Anne Gaskett" [YouTube Link](https://youtube.com/watch?v=hmI-rJuYAjw) 2019-02-14T16:00Z 22.4M followers, 606.4K engagements "The method that can "prove" almost anything - James A. Smith Explore the data analysis method known as p-hacking where data is misrepresented as statistically significant. -- In [----] a group of researchers conducted a study designed to find an impossible result. Their study involved real people truthfully reported data and commonplace statistical analyses. So how did they do it The answer lies in a statistical method scientists often use to try to figure out whether their results mean something or if theyre random noise. James A. Smith explores p-hacking. Lesson by James A. Smith directed by" [YouTube Link](https://youtube.com/watch?v=i60wwZDA1CI) 2021-08-05T15:00Z 22.4M followers, 897.6K engagements "Big Data - Tim Smith View full lesson: http://ed.ted.com/lessons/exploration-on-the-big-data-frontier-tim-smith There is a mind-boggling amount of data floating around our society. Physicists at CERN have been pondering how to store and share their ever more massive data for decades - stimulating globalization of the internet along the way whilst 'solving' their big data problem. Tim Smith plots CERN's involvement with big data from fifty years ago to today. Lesson by Tim Smith animation by TED-Ed. Tim Smith CERN TEDx TEDxCERN TED Ed TEDEducation TED-Ed Big Data CERN Big Data Tim Smith CERN" [YouTube Link](https://youtube.com/watch?v=j-0cUmUyb-Y) 2013-05-03T15:06Z 22.4M followers, 617.3K engagements "A year in the life of one of Earth's weirdest animals - Gilad Bino Trace a year in the life of a platypus and explore how the animals unique adaptations ensure its survival. -- Waddling along the parched Australian earth a female platypus is searching for fresh water. Over the past year a severe drought turned rivers and streams to mere trickles. She barely survived and was unable to reproduce. Could the next year bring a change in luck Gilad Bino traces a year in the life of a platypus and explores the unique adaptations that ensure this ancient species' survival. Lesson by Gilad Bino" [YouTube Link](https://youtube.com/watch?v=j43wzuciAkk) 2021-07-27T14:58Z 22.4M followers, 1.5M engagements "Together we can save the planet #shorts #earthday Visit Earth School to learn the most impactful steps you and your community can take to preserve our planet: https://ed.ted.com/earthschool #shorts #earthday" [YouTube Link](https://youtube.com/watch?v=jC6574N5SAA) 2023-04-22T13:00Z 22.4M followers, 109K engagements "What did dogs teach humans about diabetes - Duncan C. Ferguson View full lesson: http://ed.ted.com/lessons/what-did-dogs-teach-humans-about-diabetes-duncan-c-ferguson Diabetes has a history dating back to Ancient Greece. Our treatment of it however is more recent and was originally made possible with the help of man's best friend. Due to physiological traits shared with humans dogs have saved countless lives through the discovery of insulin. Duncan C. Ferguson shares the story of the canine's great contribution to man -- and how we can all reap the medical benefits. Lesson by Duncan C." [YouTube Link](https://youtube.com/watch?v=k_3hbrqLZ5U) 2014-08-28T15:10Z 22.4M followers, 389.7K 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 "How to think about gravity - Jon Bergmann View full lesson here: http://ed.ted.com/lessons/jon-bergmann-how-to-think-about-gravity Did you know that when you fall down the earth falls up to meet you Explore the counterintuitive equation that describes gravity. Lesson by Jon Bergmann animation by TED-Ed. Jon Bergmann gravity earth magnets TED Education TEDEducation TED-Ed TED Ed flipped class outer space Jon Bergmann gravity earth magnets TED Education TEDEducation TED-Ed TED Ed flipped class outer space" [YouTube Link](https://youtube.com/watch?v=lY3XV_GGV0M) 2012-09-17T15:00Z 22.4M followers, 516.7K engagements "Football physics: The "impossible" free kick - Erez Garty View full lesson: http://ed.ted.com/lessons/football-physics-the-impossible-free-kick-erez-garty In [----] Brazilian football player Roberto Carlos set up for a [--] meter free kick with no direct line to the goal. Carloss shot sent the ball flying wide of the players but just before going out of bounds it hooked to the left and soared into the net. How did he do it Erez Garty describes the physics behind one of the most magnificent goals in the history of football. Lesson by Erez Garty animation by TOGETHER. Erez Garty TED TED-Ed Physics" [YouTube Link](https://youtube.com/watch?v=m57cimnJ7fc) 2015-06-15T15:10Z 22.4M followers, 4.3M engagements "Myths and misconceptions about evolution - Alex Gendler View full lesson: http://ed.ted.com/lessons/myths-and-misconceptions-about-evolution-alex-gendler How does evolution really work Actually not how some of our common evolutionary metaphors would have us believe. For instance it's species not individual organisms that adapt to produce evolution and genes don't "want" to be passed on -- a gene can't want anything at all Alex Gendler sets the record straight on the finer points of evolution. Lesson by Alex Gendler animation by Giant Animation Studios. TED-Ed TED Ed TEDEducation TED Alex" [YouTube Link](https://youtube.com/watch?v=mZt1Gn0R22Q) 2013-07-08T15:28Z 22.4M followers, 3.2M engagements "Why are there two tides a day - Elise Cutts Dig into how the Sun and Moon are responsible for the tides on Earth and what this force looks like on other celestial bodies. -- In the 17th century Isaac Newton offered the first gravitational explanation of tides. As he correctly identified tides are choreographed by the motions of celestial objects and Earths tides in particular are mostly driven by the Moon. But the precise nature of this relationship is actually quite nuanced. Elise Cutts explains how the Sun and Moon are responsible for the tides. Lesson by Elise Cutts directed by Rmi Cans" [YouTube Link](https://youtube.com/watch?v=mpRJhhbKLFc) 2025-04-08T15:00Z 22.4M followers, 569K engagements "Learning from smallpox: How to eradicate a disease - Julie Garon and Walter A. Orenstein Find out how smallpox became the first (and only) disease to be permanently eradicated through the use of vaccination and isolation to prevent transmission. -- For most of human history we have sought to treat and cure diseases. But only in recent decades did it become possible to ensure that a particular disease never threatens humanity again. Julie Garon and Walter A. Orenstein detail how the story of smallpox the first and only disease to be permanently eliminated shows how disease eradication can" [YouTube Link](https://youtube.com/watch?v=oBSandHijDc) 2015-03-10T15:06Z 22.4M followers, 500.3K engagements "What causes bad breath - Mel Rosenberg View full lesson: http://ed.ted.com/lessons/what-causes-bad-breath-mel-rosenberg Halitosis is a curse that has plagued humanity since ancient times. But what causes it and why is it so universally terrifying Mel Rosenberg outlines the basics of bad breath and what you can do when it strikes you. Lesson by Mel Rosenberg animation by Andrew Foerster. TED TED-Ed TED Education TEDx Bad breath Halitosis Microorganisms Bacteria Mouth Hydrogen sulfide Cadaverine Gram-negative bacteria Brushing teeth Floss TED TED-Ed TED Education TEDx Bad breath Halitosis" [YouTube Link](https://youtube.com/watch?v=oZ13QfP2os8) 2015-03-31T15:00Z 22.4M followers, 2.9M engagements "Can you solve the rogue AI riddle - Dan Finkel Practice more problem-solving at https://brilliant.org/TedEd/ Sign up to be emailed the solution to the bonus riddle: https://brilliant.org/TedEdPoisonChocolate/ A hostile artificial intelligence called NIM has taken over the worlds computers. Youre the only person skilled enough to shut it down and youll only have one chance. Can you survive and shut off the artificial intelligence Dan Finkel shows how. Lesson by Dan Finkel directed by Artrake Studio. Thank you so much to our patrons for your support Without you this video would not be possible" [YouTube Link](https://youtube.com/watch?v=qMFpOcLroOg) 2018-08-07T15:00Z 22.4M followers, 4.2M engagements "How do we know what color dinosaurs were - Len Bloch View full lesson: http://ed.ted.com/lessons/how-do-we-know-what-color-dinosaurs-were-len-bloch The microraptor was a four-winged carnivorous dinosaur with iridescent black feathers. But if our information about this dinosaur comes from fossils how can we be certain about its color Len Bloch shows how making sense of the evidence requires careful examination of the fossil and a good understanding of the physics of light and color. Lesson by Len Bloch animation by Paul Newell. Len Bloch Paul Newell TED TED-Ed TED Ed TEDEducation dinosaur" [YouTube Link](https://youtube.com/watch?v=qYijAZWdnBk) 2016-01-04T16:16Z 22.4M followers, 931.7K engagements "Can you freeze your body and come back to life - Shannon N. Tessier Dig into the field of cryobiology and explore the possibility of humans being frozen and preserved for future resurrection. -- In [----] James Bedford had a plan to cheat death. He was the first person to be cryogenically frozen. This process promised to preserve his body until a theoretical future when humanity could cure any illness and essentially reverse death. So is it possible to freeze a human preserve them indefinitely and then thaw them out Shannon N. Tessier explores the challenges of human cryopreservation. Lesson by" [YouTube Link](https://youtube.com/watch?v=rFGDJH7SZNU) 2023-02-14T16:01Z 22.4M followers, 1.1M 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 "How does alcohol cause blackouts - Shannon Odell Explore how alcohol interacts with your brain and how it can interrupt the brains memory networks leading to blackouts. -- Alcohol has been shown to have strange and selective effects on the brain. Many intoxicated people can perform complex tasks like holding a detailed conversation or navigating a walk home. Yet for those experiencing a blackout the memory of these events is quickly forgotten. So how does alcohol cause these memory lapses Shannon Odell explores how ethanol interrupts the brains processes. Lesson by Shannon Odell directed by" [YouTube Link](https://youtube.com/watch?v=rkXMdJY1SXQ) 2024-02-01T16:01Z 22.4M followers, 1.9M engagements "If superpowers were real: Super speed - Joy Lin View full lesson: http://ed.ted.com/lessons/if-superpowers-were-real-super-speed-joy-lin What if super speed wasn't just the stuff of epic comic book stories Is it scientifically possible to be super speedy In this series Joy Lin tackles six superpowers and reveals just how scientifically realistic they can be to us mere mortals. Lesson by Joy Lin animation by Cognitive Media. Joy Lin Super speed superhero superpower cognitive media comic comic book TED-Ed TEDEducation TED Ed Joy Lin Super speed superhero superpower cognitive media comic comic" [YouTube Link](https://youtube.com/watch?v=ryGR06dlPf0) 2013-06-28T17:08Z 22.4M followers, 1.9M engagements "Cloudy climate change: How clouds affect Earth's temperature - Jasper Kirkby View full lesson: http://ed.ted.com/lessons/cloudy-climate-change-how-clouds-affect-earth-s-temperature-jasper-kirkby As the Earths surface temperature gradually rises it has become vital for us to predict the rate of this increase with as much precision as possible. In order to do that scientists need to understand more about aerosols and clouds. Jasper Kirkby details an experiment at CERN that aims to do just that. Lesson by Jasper Kirkby animation by Cedric Richer. Jasper Kirkby Cedric Richer CERN climate change" [YouTube Link](https://youtube.com/watch?v=sDo7saKaEys) 2014-09-25T15:53Z 22.4M followers, 213.5K engagements "Watch this if you're scared of snakes - Andrew Whitworth Travel around the world to visit some of natures most incredible snakes: vipers and find out which are the most dangerous. -- As of [----] there are [---] species of viper worldwide. The name comes from the term viviparity which means giving birth to live young. Vipers are often highly venomous with two hollow extra long fangs that unfold into imposing weapons when the viper prepares to strike. So which are the most dangerous Andrew Whitworth travels around the world to visit some of natures most incredible snakes. Lesson by Andrew" [YouTube Link](https://youtube.com/watch?v=s_Cs1nbbv_M) 2022-04-07T15:00Z 22.4M followers, 1.5M engagements "The threat of invasive species - Jennifer Klos View full lesson: http://ed.ted.com/lessons/the-threat-of-invasive-species-jennifer-klos Massive vines that blanket the southern United States climbing high as they uproot trees and swallow buildings. A ravenous snake that is capable of devouring an alligator. Rabbit populations that eat themselves into starvation. These arent horror movie concepts theyre real stories. But how could such situations exist in nature Jennifer Klos gives the facts on invasive species. Lesson by Jennifer Klos animation by Globizco. Jennifer Klos Globizco Invasive" [YouTube Link](https://youtube.com/watch?v=spTWwqVP_2s) 2016-05-03T15:02Z 22.4M followers, 2.5M engagements "Is there a difference between art and craft - Laura Morelli View full lesson: http://ed.ted.com/lessons/is-there-a-difference-between-art-and-craft-laura-morelli Was da Vinci an artistic genius Sure but he was also born in the right place at the right time -- pre-Renaissance Western artists got little individual credit for their work. And in many non-Western cultures traditional forms have always been prized over innovation. So where do we get our notions of art vs. craft Laura Morelli traces the history of how we assign value to the visual arts. Lesson by Laura Morelli animation by Sandro" [YouTube Link](https://youtube.com/watch?v=tVdw60eCnJI) 2014-03-06T16:00Z 22.4M followers, 773.1K engagements "Can you solve the riddle and escape Hades - Dan Finkel Practice more problem-solving at https://brilliant.org/TedEd/ -- The underworld is overcrowded and Zeus has ordered Hades to let some spirits out. Hades arranges all the souls of the dead in a line before Cerberus. When one of his three heads bites down on the soul in front of it theyll get returned to the land of the living. Anyone to the left must stay in Hades forever. Can you pick the right spot and escape the underworld Dan Finkel shows how. Lesson by Dan Finkel directed by Artrake Studio. Animator's website: https://www.artrake.com" [YouTube Link](https://youtube.com/watch?v=tbkiYideS-4) 2020-10-13T15:00Z 22.4M followers, 3.3M engagements "Situational irony: The opposite of what you think - Christopher Warner View full lesson: http://ed.ted.com/lessons/situational-irony-the-opposite-of-what-you-think-christopher-warner Leaps and bounds separate that which is ironic and that which many people simply say is ironic. Christopher Warner wants to set the record straight: Something is ironic if and only if it is the exact opposite of what you would expect. Lesson by Christopher Warner animation by Ben Pearce. TEDEducation TED-Ed TED Ed Christopher Warner Ben Pearce irony situational irony ironic isn't it ironic TEDEducation TED-Ed TED" [YouTube Link](https://youtube.com/watch?v=tqg6RO8c_W0) 2012-12-13T16:59Z 22.4M followers, 2.7M engagements "How does your body process medicine - Cline Valry View full lesson: http://ed.ted.com/lessons/how-does-your-body-process-medicine-celine-valery Have you ever wondered what happens to a painkiller like ibuprofen after you swallow it Medicine that slides down your throat can help treat a headache a sore back or a throbbing sprained ankle. But how does it get where it needs to go in the first place Cline Valry explains how your body processes medicine. Lesson by Cline Valry animation by Daniel Gray" [YouTube Link](https://youtube.com/watch?v=uOcpsXMJcJk) 2017-05-15T15:01Z 22.4M followers, 4.8M engagements "How the COVID-19 vaccines were created so quickly - Kaitlyn Sadtler and Elizabeth Wayne Discover how mRNA vaccines help your immune system fight viral infections and how this decades-old technology was used to create COVID-19 vaccines. -- In the 20th century most vaccines took over a decade to research test and produce. But the vaccines for COVID-19 were cleared for emergency use in less than [--] months. The secret behind this speed is a medical technology thats been developing for decades: the mRNA vaccine. So how do these revolutionary vaccines work Kaitlyn Sadtler and Elizabeth Wayne dig" [YouTube Link](https://youtube.com/watch?v=v-NEr3KCug8) 2021-08-17T15:03Z 22.4M followers, 1.3M engagements "Artemisia Gentileschi: The woman behind the paintings - Allison Leigh Get to know the story of Artemisia Gentileschi one of the most accomplished artists of the 17th century. -- The biblical story of the heroine Judith slaying the brutal Holofernes is featured in countless works of art including the Sistine Chapel. But the most iconic depiction was painted by an artist who tackled this ambitious scene when she was just [--] years old. Her name was Artemisia Gentileschi. So who was Artemisia and what sets her depiction apart from the rest Allison Leigh investigates. Lesson by Allison Leigh" [YouTube Link](https://youtube.com/watch?v=v7Xl6a4J7Wk) 2022-06-16T15:00Z 22.4M followers, 542.3K engagements "Secrets of the X chromosome - Robin Ball View full lesson: http://ed.ted.com/lessons/secrets-of-the-x-chromosome-robin-ball The sequence of DNA that we inherit from our parents encodes directions for making our cells and giving us specific traits. Identical twins have the same DNA sequence so how can one twin end up with a genetic disorder while the other twin does not Robin Ball explains how the secret lies in X chromosome inactivation. Lesson by Robin Ball animation by Anton Trofimov. TED TED-Ed TED Education TED Ed Robin Ball Chromosome DNA genes genetics X chromosome Y chromosome gene" [YouTube Link](https://youtube.com/watch?v=veB31XmUQm8) 2017-04-18T15:03Z 22.4M followers, 1.3M engagements "How tall can a tree grow - Valentin Hammoudi What makes a tree grow tall And do trees ever stop growing Explore how photosynthesis and gravity can affect and limit the height of trees. -- Reaching heights of over [---] meters Californian sequoias tower over Earths other [-----] tree species. But even these behemoths seem to have their limits: no sequoia on record has been able to grow taller than [---] meters. So what exactly is stopping these trees from growing taller forever Valentin Hammoudi investigates why trees have limited heights. Lesson by Valentin Hammoudi directed by Doug Alberts. Sign" [YouTube Link](https://youtube.com/watch?v=vvtPJKWUb2g) 2019-03-14T15:01Z 22.4M followers, 1.4M engagements "The journey to Pluto the farthest world ever explored - Alan Stern Check out Alan Stern's "Chasing New Horizons": https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/chasing-new-horizons View full lesson: https://ed.ted.com/lessons/the-journey-to-pluto-the-farthest-world-ever-explored-alan-stern As of [----] mankind had successfully sent craft to every known planet in the solar system except one: Pluto. Located in an mysterious region called the Kuiper Belt Pluto is a scientific goldmine and could hold clues to the formation of our solar system. Alan Stern explains how" [YouTube Link](https://youtube.com/watch?v=vyUnzfMh-zA) 2018-05-17T15:03Z 22.4M followers, 3.5M engagements "How to detect a supernova - Samantha Kuula View full lesson: http://ed.ted.com/lessons/how-to-detect-a-supernova-samantha-kuula Just now somewhere in the universe a star exploded. In fact a supernova occurs every second or so in the observable universe. Yet weve never actually been able to watch a supernova in its first violent moments. Is early detection possible Samantha Kuula details the science behind an early supernova warning system. Lesson by Samantha Kuula animation by Nick Hilditch. TED TED-Ed TED Education TEDx Supernova Samantha Kuula Nick Hilditch Star Astronomy Light Speed of" [YouTube Link](https://youtube.com/watch?v=xYxyTZG7APQ) 2015-06-09T15:01Z 22.4M followers, 217.4K engagements "The infamous overpopulation bet: Simon vs. Ehrlich - Soraya Field Fiorio Discover an infamous bet between two professors which sought to predict whether the earth would run out of resources due to a growing human population. -- In [----] Paul Ehrlich and Julian Simon bet $1000 on a question with stakes that couldnt be higher: would the earth run out of resources to sustain a growing human population They bet $200 on the price of five metals. If the price of a metal decreased or held steady over the next decade Simon won. If the price increased Ehrlich won. So what happened Soraya Field Fiorio" [YouTube Link](https://youtube.com/watch?v=xw2mn40BVo0) 2021-08-31T15:01Z 22.4M followers, 623.3K engagements "Why do animals form swarms - Maria R. D'Orsogna Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-do-animals-form-swarms-maria-r-d-orsogna When many individual organisms come together and move as one entity thats a swarm. From a handful of birds to billions of insects swarms can be almost any size. They have no leader and members interact only with their neighbors or through indirect cues. Members follow simple rules: travel in the same direction as those around you stay close and avoid collisions. Maria R. DOrsogna shares why. Lesson" [YouTube Link](https://youtube.com/watch?v=y6u1GPpJuR4) 2017-12-18T16:02Z 22.4M followers, 339.9K engagements "How memories form and how we lose them - Catharine Young View full lesson: http://ed.ted.com/lessons/how-memories-form-and-how-we-lose-them-catharine-young Think back to a really vivid memory. Got it Now try to remember what you had for lunch three weeks ago. That second memory probably isnt as strongbut why not Why do we remember some things and not others And why do memories eventually fade Catharine Young gives the basics on memory and memory loss. Lesson by Catharine Young animation by Patrick Smith. Catharine Young Patrick Smith TED TED-Ed TED Education TEDx TED Animation Memory loss" [YouTube Link](https://youtube.com/watch?v=yOgAbKJGrTA) 2015-09-24T15:13Z 22.4M followers, 3.2M engagements "The tragic myth of the Sun God's son - Iseult Gillespie Dive into the Greek myth of Helios and Phaethon where the Sun God allows his mortal son to drive his chariot for a day. -- Every morning Helios unleashed his golden chariot and set out across the sky. As the Sun God transformed dawn into day he thought of his son Phaethon below. To prove to Phaethon that he was truly his father Helios decided to grant him anything he wanted. Unfortunately what Phaethon wanted was to drive Helios chariot for a day. Iseult Gillespie shares the tragic myth of the charioteer. Lesson by Iseult Gillespie" [YouTube Link](https://youtube.com/watch?v=zAxfrI8zHU4) 2022-01-18T16:02Z 22.4M followers, 2.4M 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, 804.6K engagements "What is dyslexia - Kelli Sandman-Hurley View full lesson: http://ed.ted.com/lessons/what-is-dyslexia-kelli-sandman-hurley Dyslexia affects up to [--] in [--] people but the experience of dyslexia isn't always the same. This difficulty in processing language exists along a spectrum -- one that doesn't necessarily fit with labels like "normal" and "defective." Kelli Sandman-Hurley urges us to think again about dyslexic brain function and to celebrate the neurodiversity of the human brain. Lesson by Kelli Sandman-Hurley animation by Marc Christoforidis. TED TED Ed TED-Ed TEDEducation Marc" [YouTube Link](https://youtube.com/watch?v=zafiGBrFkRM) 2013-07-15T15:21Z 22.4M followers, 7.1M engagements "The law of conservation of mass - Todd Ramsey View full lesson: http://ed.ted.com/lessons/the-law-of-conservation-of-mass-todd-ramsey Everything in our universe has mass from the smallest atom to the largest star. But the amount of mass has remained constant throughout existence even during the birth and death of stars planets and you. How can the universe grow while maintaining its mass Todd Ramsey answers that question by unravelling the law of conservation of mass. Lesson by Todd Ramsey animation by Vegso/Banyai. TED TED Ed TEDx TED-Ed Law of Conservation of Mass Matter Energy Mass System" [YouTube Link](https://youtube.com/watch?v=2S6e11NBwiw) 2015-02-26T16:03Z 22.4M followers, 2.3M engagements "The Atlantic slave trade: What too few textbooks told you - Anthony Hazard Check out our Patreon page: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/the-atlantic-slave-trade-what-your-textbook-never-told-you-anthony-hazard Slavery has occurred in many forms throughout the world but the Atlantic slave trade -- which forcibly brought more than [--] million Africans to the Americas -- stands out for both its global scale and its lasting legacy. Anthony Hazard discusses the historical economic and personal impact of this massive historical injustice. Lesson by Anthony" [YouTube Link](https://youtube.com/watch?v=3NXC4Q_4JVg) 2014-12-22T16:13Z 22.4M followers, 12.3M engagements "How does your smartphone know your location - Wilton L. Virgo View full lesson: http://ed.ted.com/lessons/how-does-your-smartphone-know-your-location-wilton-l-virgo GPS location apps on a smartphone can be very handy when mapping a travel route or finding nearby events. But how does your smartphone know where you are Wilton L. Virgo explains how the answer lies [-----] miles over your head in an orbiting satellite that keeps time to the beat of an atomic clock powered by quantum mechanics. Lesson by Wilton L. Virgo animation by Nick Hilditch. TED TEDEd TED-Ed TEDx GPS Navigation Directions Maps" [YouTube Link](https://youtube.com/watch?v=70cDSUI4XKE) 2015-01-29T16:09Z 22.4M followers, 893.2K engagements "Why the metric system matters - Matt Anticole View full lesson: http://ed.ted.com/lessons/why-the-metric-system-matters-matt-anticole For the majority of recorded human history units like the weight of a grain or the length of a hand werent exact and varied from place to place. Now consistent measurements are such an integral part of our daily lives that its hard to appreciate what a major accomplishment for humanity theyve been. Matt Anticole traces the wild history of the metric system. Lesson by Matt Anticole animation by Globizco. metric system why don't we use the metic system units of" [YouTube Link](https://youtube.com/watch?v=7bUVjJWA6Vw) 2016-07-21T15:01Z 22.4M followers, 6.6M engagements "What happened to antimatter - Rolf Landua View full lesson: http://ed.ted.com/lessons/what-happened-to-antimatter-rolf-landua Particles come in pairs which is why there should be an equal amount of matter and antimatter in the universe. Yet scientists have not been able to detect any in the visible universe. Where is this missing antimatter CERN scientist Rolf Landua returns to the seconds after the Big Bang to explain the disparity that allows humans to exist today. Lesson by Rolf Landua animation by TED-Ed. Rolf Landua Franz Palomares TED-Ed TED Ed TEDEducation big bang missing antimatter" [YouTube Link](https://youtube.com/watch?v=CtR5EkvLNfg) 2013-05-03T18:29Z 22.4M followers, 1.6M engagements "Can you solve the birthday cake riddle - Marie Brodsky Practice more problem-solving at https://brilliant.org/TedEd -- Your friends birthday is tomorrow and hes turning well youve forgotten. A ginormous cake has been prepared and your job is to sculpt his age as the chocolate centerpiece. The birthday boy is a giant and youre afraid that if your forgetfulness becomes known youll become part of the feast. Can you figure out your friends age before the party Marie Brodsky shows how. Lesson by Marie Brodsky directed by Igor Coric Artrake Studio. Support Our Non-Profit Mission" [YouTube Link](https://youtube.com/watch?v=F5sZQ4Xutgk) 2022-01-20T16:00Z 22.4M followers, 2.2M engagements "Why is biodiversity so important - Kim Preshoff View full lesson: http://ed.ted.com/lessons/why-is-biodiversity-so-important-kim-preshoff Our planets diverse thriving ecosystems may seem like permanent fixtures but theyre actually vulnerable to collapse. Jungles can become deserts and reefs can become lifeless rocks. What makes one ecosystem strong and another weak in the face of change Kim Preshoff details why the answer to a large extent is biodiversity. Lesson by Kim Preshoff animation by TED-Ed. TED TED-Ed TED Education TEDx Kim Preshoff Biodiversity Ecosystem diversity Species diversity" [YouTube Link](https://youtube.com/watch?v=GK_vRtHJZu4) 2015-04-20T15:04Z 22.4M followers, 4.6M engagements "The coin flip conundrum - Po-Shen Loh Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-coin-flip-conundrum-po-shen-loh When you flip a coin to make a decision there's an equal chance of getting heads and tails. What if you flipped two coins repeatedly so that one option would win as soon as two heads showed up in a row on that coin and one option would win as soon as heads was immediately followed by tails on the other Would each option still have an equal chance Po-Shen Loh describes the counterintuitive math behind this question." [YouTube Link](https://youtube.com/watch?v=IAiNqQi30-Y) 2018-02-15T15:56Z 22.4M followers, 694.3K engagements "How do vitamins work - Ginnie Trinh Nguyen View full lesson: http://ed.ted.com/lessons/what-s-the-value-of-vitamins-ginnie-trinh-nguyen Vitamins are the building blocks that keep our bodies running; they help build muscle and bone capture energy heal wounds and more. But if our body doesnt create vitamins how do they get into our system Ginnie Trinh Nguyen describes what vitamins are how they get into our bodies -- and why they are so crucial. Lesson by Ginnie Trinh Nguyen animation by The Moving Company Animation Studio. Ginnie Trinh Nguyen The Moving Company Animation Studio vitamins health" [YouTube Link](https://youtube.com/watch?v=ISZLTJH5lYg) 2014-10-06T15:18Z 22.4M followers, 6.8M engagements "This is Sparta: Fierce warriors of the ancient world - Craig Zimmer View full lesson: http://ed.ted.com/lessons/this-is-sparta-fierce-warriors-of-the-ancient-world-craig-zimmer In ancient Greece violent internal conflict between border neighbors and war with foreign invaders was a way of life and Greeks were considered premier warriors. Sparta specifically had an army of the most feared warriors in the ancient world. What were they doing to produce such fierce soldiers Craig Zimmer shares some of the lessons that might have been taught at Spartan school. Lesson by Craig Zimmer animation by" [YouTube Link](https://youtube.com/watch?v=M7V1a1I5BL0) 2016-03-08T16:07Z 22.4M followers, 4.2M engagements "Light seconds light years light centuries: How to measure extreme distances - Yuan-Sen Ting View full lesson: http://ed.ted.com/lessons/how-do-we-measure-distances-in-space-yuan-sen-ting When we look at the sky we have a flat two-dimensional view. So how do astronomers figure the distances of stars and galaxies from Earth Yuan-Sen Ting shows us how trigonometric parallaxes standard candles and more help us determine the distance of objects several billion light years away from Earth. Lesson by Yuan-Sen Ting animation by TED-Ed. Yuan-Sen Ting astronomy Jeremiah Dickey space how to measure" [YouTube Link](https://youtube.com/watch?v=Op3AYaJc0Xw) 2014-10-09T15:08Z 22.4M followers, 3.7M engagements "Population pyramids: Powerful predictors of the future - Kim Preshoff View full lesson: http://ed.ted.com/lessons/population-pyramids-powerful-predictors-of-the-future-kim-preshoff Population statistics are like crystal balls -- when examined closely they can help predict a country's future (and give important clues about the past). Kim Preshoff explains how using a visual tool called a population pyramid helps policymakers and social scientists make sense of the statistics using three different countries' pyramids as examples. Lesson by Kim Preshoff animation by TED-Ed. Kim Preshoff Franz" [YouTube Link](https://youtube.com/watch?v=RLmKfXwWQtE) 2014-05-05T15:12Z 22.4M followers, 2.9M engagements "Can 100% renewable energy power the world - Federico Rosei and Renzo Rosei Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/can-100-renewable-energy-power-the-world-federico-rosei-and-renzo-rosei Every year the world uses [--] billion barrels of oil. This massive scale of fossil fuel dependence pollutes the earth and it wont last forever. On the other hand we have abundant sun water and wind which are all renewable energy sources. So why dont we exchange our fossil fuel dependence for an existence based only on renewables Federico Rosei and" [YouTube Link](https://youtube.com/watch?v=RnvCbquYeIM) 2017-12-07T15:58Z 22.4M followers, 2.8M engagements "Should we be looking for life elsewhere in the universe - Aomawa Shields View full lesson: http://ed.ted.com/lessons/should-we-be-looking-for-life-elsewhere-in-the-universe-aomawa-shields As the number of potentially habitable planets that astronomers find continues to rise we seem ever closer to answering the question Are we alone in the universe But should we be looking for life elsewhere If we were to find life in one of these worlds should we try to contact any beings who may live there Is that wise Aomawa Shields navigates the murky waters of pursuing curiosity. Lesson by Aomawa Shields" [YouTube Link](https://youtube.com/watch?v=SgLO10cUC1M) 2016-07-25T15:06Z 22.4M followers, 646.7K engagements "The rise and fall of the Inca Empire - Gordon McEwan Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-rise-and-fall-of-the-inca-empire-gordon-mcewan It was the western hemisphere's largest empire ever with a population of nearly [--] million subjects. Yet within [---] years of its rise in the fifteenth century the Inca Empire would be no more. What happened Gordon McEwan details the rise and fall of the Inca Empire. Lesson by Gordon McEwan directed by TED-Ed. Animated by Emma Carr - http://emma-carre.tumblr.com/ Thank you so much to our" [YouTube Link](https://youtube.com/watch?v=UO5ktwPXsyM) 2018-02-12T15:59Z 22.4M followers, 4.4M engagements "How your muscular system works - Emma Bryce Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-your-muscular-system-works-emma-bryce Each time you take a step [---] muscles work in unison to lift your foot propel it forward and set it down. Its just one of the many thousands of tasks performed by the muscular system: this network of over [---] muscles covers the body and is the reason we can blink smile run jump and stand upright. So how does it work Emma Bryce takes you into the body to find out. Lesson by Emma Bryce directed by Viviane" [YouTube Link](https://youtube.com/watch?v=VVL-8zr2hk4) 2017-10-26T15:00Z 22.4M followers, 3.1M engagements "How tsunamis work - Alex Gendler View full lesson: http://ed.ted.com/lessons/how-tsunamis-work-alex-gendler The immense swell of a tsunami can grow up to [---] feet hitting speeds over [---] mph -- a treacherous combination for anyone or anything in its path. Alex Gendler details the causes of these towering terrors and explains how scientists are seeking to reduce their destruction in the future. Lesson by Alex Gendler animation by Augenblick Studios. Alex Gendler Augenblick tsunami earthquake disaster ocean global warming ocean storm sea TED TED-Ed TED Ed TEDEducation Alex Gendler Augenblick" [YouTube Link](https://youtube.com/watch?v=Wx9vPv-T51I) 2014-04-24T15:13Z 22.4M followers, 9.1M 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 "Why was the Rosetta Stone so important - Franziska Naether Dig into how scholars decoded the writing on the Rosetta Stone and how this helped them understand ancient hieroglyphs. -- For centuries scholars puzzled over the hieroglyphs they found carved onto ancient Egyptian ruins tablets and papyri. But in [----] a unique discovery would finally help unlock their meaning. It was a stone inscribed with three different texts: Egyptian Hieroglyphs Demotic Egyptian and Ancient Greek. Franziska Naether shares how scholars decoded the ancient message of the Rosetta Stone. Lesson by Franziska Naether" [YouTube Link](https://youtube.com/watch?v=Z8dZSySRX_g) 2024-03-14T15:01Z 22.4M followers, 796.9K 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, 872.4K engagements "Why certain naturally occurring wildfires are necessary - Jim Schulz View full lesson: http://ed.ted.com/lessons/why-wildfires-are-necessary-jim-schulz Our early ancestors relied on lightning to cause forest fires from which they could collect coals and burning sticks to help them cook food and clear land. Yet it wasnt just humans who benefited from these natural phenomena. Even as they destroyed trees fires also helped the forests themselves. Jim Schulz outlines the benefits of wildfire. Lesson by Jim Schulz animation by Provincia Studio. Jim Schulz Provincia Studio wildfire forest fire" [YouTube Link](https://youtube.com/watch?v=cNVZEVq3KzY) 2016-02-02T15:59Z 22.4M followers, 1.7M 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, 146.7K engagements "The dark history of bananas - John Soluri Explore the history of the notorious United Fruit Company and how its influence over the banana industry impacted Central America. -- In December [----] the exiled former leader Manuel Bonilla boarded a borrowed yacht and set sail for Honduras in hopes of reclaiming power by whatever means necessary. Bonilla had a powerful backer: the notorious organization known throughout Latin America as El Pulpo. It was a U.S. corporation trafficking in of all things bananas. John Soluri investigates the United Fruit Company. Lesson by John Soluri directed by Sofia" [YouTube Link](https://youtube.com/watch?v=esvycD1O3cM) 2020-11-02T16:00Z 22.4M followers, 3.3M engagements "Urbanization and the future of cities - Vance Kite View full lesson: http://ed.ted.com/lessons/urbanization-and-the-future-of-cities-vance-kite About [-----] years ago hunter-gatherers aided by rudimentary agriculture moved to semi-permanent villages and never looked back. With further developments came food surpluses leading to commerce specialization and many years later with the Industrial Revolution the modern city. Vance Kite plots our urban past and how we can expect future cities to adapt to our growing populations. Lesson by Vance Kite animation by ATMG Studio. Vance Kite ATMG Studio" [YouTube Link](https://youtube.com/watch?v=fKnAJCSGSdk) 2013-09-12T15:14Z 22.4M followers, 2.9M engagements "Networking for the networking averse - Lisa Green Chau View full lesson: http://ed.ted.com/lessons/networking-for-the-networking-averse-lisa-green-chau Networking can seem so hard -- but not if you have the right advice. Try taking advantage of weak ties; you never know what friend of a friend of a friend can aid you in your dreams. Lisa Green Chau outlines how being proactive and always saying yes can lead to future opportunities. Lesson by Lisa Green Chau animation by Cinematic Sweden. job search network networking how to find job an internship internship weak tie strong social networking" [YouTube Link](https://youtube.com/watch?v=garadDEgkwU) 2013-04-03T15:15Z 22.4M followers, 227K engagements "History vs. Andrew Jackson - James Fester View full lesson: http://ed.ted.com/lessons/history-vs-andrew-jackson-james-fester Andrew Jackson was both beloved and loathed during his presidency. In this imaginary courtroom you get to be the jury considering and weighing Jackson's part in the spoils system economic depression and the Indian Removal Act as well as his patriotism and the pressures of the presidency. James Fester explores how time shapes our relationship to controversial historical figures. Lesson by James Fester animation by Brett Underhill. James Fester Brett Underhill history" [YouTube Link](https://youtube.com/watch?v=gx5IyumKmDI) 2014-01-21T16:08Z 22.4M followers, 3.4M engagements "What's so special about Viking ships - Jan Bill Explore the history and technology of Viking longships which helped the Scandinavians conquer trade routes and new territories. -- As the Roman Empire flourished Scandinavians had small settlements and no central government. Yet by the 11th century they had spread far from Scandinavia gaining control of trade routes throughout Europe conquering kingdoms as far as Africa and building outposts in North America. What was the secret to their success Jan Bill dives into the history of the formidable Viking longship. Lesson by Jan Bill directed by" [YouTube Link](https://youtube.com/watch?v=kge0c2mNmRQ) 2020-01-21T16:01Z 22.4M followers, 1.2M engagements "Building a museum of museums on the web - Amit Sood View full lesson: http://ed.ted.com/lessons/building-a-museum-of-museums-on-the-web-amit-sood Imagine being able to see artwork in the greatest museums around the world without leaving your chair. Driven by his passion for art Amit Sood tells the story of how he developed Art Project to let people do just that. Talk by Amit Sood. art art history museum Art Project Amit Sood art online see art paintings TED TED Talk TED-Ed TEDEducation Ed art art history museum Art Project Amit Sood art online see art paintings TED TED Talk TED-Ed" [YouTube Link](https://youtube.com/watch?v=l1JIqxXmZhU) 2013-03-22T20:16Z 22.4M followers, 63.1K engagements "How good are you at calculating risk - Gerd Gigerenzer How can we use statistics to evaluate risk Dig into the difference between relative risk and absolute risk and how each is used in the news. -- A new drug reduces the risk of heart attacks by 40%. Shark attacks are up by a factor of two. Drinking a liter of soda per day doubles your chance of developing cancer. These are all examples of a common way risk is presented in news articles and can often be misleading. So how can we better evaluate risk Gerd Gigerenzer explores the difference between relative and absolute risk. Lesson by Gerd" [YouTube Link](https://youtube.com/watch?v=p7EsMIxcN5s) 2020-02-25T16:00Z 22.4M followers, 671.3K engagements "How to create cleaner coal - Emma Bryce View full lesson here: http://ed.ted.com/lessons/how-to-create-cleaner-coal-emma-bryce It takes a lot of fuel to heat our homes preserve our food and power our gadgets. And for [--] percent of the world cheap plentiful coal gets the job done. But coal also releases pollutants into the air causing environmental damage like acid rain and serious health problems. Can we create a cleaner version of coal Emma Bryce details the three ways we might strip coal of its foul forces. Lesson by Emma Bryce animation by Artrake Studio. TED-Ed TED TEDx TED Education Coal" [YouTube Link](https://youtube.com/watch?v=rO6S93FKIUM) 2014-12-09T16:05Z 22.4M followers, 538.3K engagements "The hidden life of Rosa Parks - Riche D. Richardson Learn about the life of civil rights activist Rosa Parks her work with the NAACP bus boycotts and her lifelong fight against racial inequality. -- Throughout her life Rosa Parks repeatedly challenged racial violence and the prejudiced systems protecting its perpetrators. Her refusal to move to the back of a segregated bus ignited a boycott that lasted [---] days and helped transform civil rights activism into a national movement. But this work came at an enormous risk and a personal price. Rich D. Richardson details the life of Rosa Parks." [YouTube Link](https://youtube.com/watch?v=tLfbmepDd4c) 2020-04-13T15:00Z 22.4M followers, 620.3K engagements "How do sinkholes swallow entire houses and cities - Elise Cutts Explore the science of sinkholes how they commonly form and what human activities can also trigger them. -- It was a rainy December morning in San Francisco when the Earth opened up. The ground suddenly fell away into a 12-meter-deep sinkhole that engulfed a garage part of a street and a multi-million-dollar mansion. Sinkholes can seem to strike out of nowhere but theyre more common than people often think. So how do they form Elise Cutts details whats happening just below your feet. Lesson by Elise Cutts directed by Evandro" [YouTube Link](https://youtube.com/watch?v=vyUJNsibkfQ) 2025-09-18T15:04Z 22.4M followers, 202.5K engagements "A day in the life of a teenage samurai - Constantine N. Vaporis Follow young samurai in training Mori Banshir as he studies the twin paths of literary learning and the martial arts. -- The year is [----] in the castle town of Kchi Japan. Its just after sunrise and 16-year-old Mori Banshir is already hard at work practicing drills with his long sword. He is an ambitious samurai in training and today he must impress his teachers more than ever so he can travel to the capital city for martial and scholarly studies. Constantine N. Vaporis outlines a day in the life of a samurai. Lesson by" [YouTube Link](https://youtube.com/watch?v=wy0mU-SbOrw) 2020-06-22T15:00Z 22.4M followers, 1.6M engagements "The 2400-year search for the atom - Theresa Doud View full lesson: http://ed.ted.com/lessons/the-2-400-year-search-for-the-atom-theresa-doud How do we know what matter is made of The quest for the atom has been a long one beginning [----] years ago with the work of a Greek philosopher and later continued by a Quaker and a few Nobel Prize-winning scientists. Theresa Doud details the history of atomic theory. Lesson by Theresa Doud animation by TED-Ed. TED-ED TEDEd TEDx TED Greek Philosophy Science Atomic theory Chemistry Physics Particles Atoms Molecules John Dalton Ernest Rutherford J. J." [YouTube Link](https://youtube.com/watch?v=xazQRcSCRaY) 2014-12-08T16:08Z 22.4M followers, 3.2M engagements "Just How Small is an Atom Just how small are atoms And what's inside them The answers turn out to be astounding even for those who think they know. This fast-paced animation uses spectacular metaphors (imagine a blueberry the size of a football stadium) to give a visceral sense of the building blocks that make our world. Lesson by Jonathan Bergmann animation by Cognitive Media. Atom Physical Science Chemistry Making the Invisible Visible Jonathan Bergmann Andrew Park Cognitive Media Nucleus Electron Proton Neutron TED TED-Ed TED Education Atom Physical Science Chemistry Making the Invisible" [YouTube Link](https://youtube.com/watch?v=yQP4UJhNn0I) 2012-04-16T15:13Z 22.4M followers, 8M engagements "What causes antibiotic resistance - Kevin Wu Explore how bacteria become resistant to antibiotics and turn into superbugs and what scientists are doing to stop it. -- Right now you are inhabited by trillions of microorganisms. Many of these bacteria are harmless (or even helpful) but there are a few strains of super bacteria that are pretty nasty -- and theyre growing resistant to our antibiotics. Why is this happening Kevin Wu details the evolution of this problem that presents a big challenge for the future of medicine. Lesson by Kevin Wu animation by Brett Underhill. Sign up for our" [YouTube Link](https://youtube.com/watch?v=znnp-Ivj2ek) 2014-08-07T15:06Z 22.4M followers, 4.2M engagements "How does whale communication work - David Gruber and Shane Gero Explore how sperm whales use an array of complex vocalizations to communicate with each other hunt and assess their surroundings. -- Soon after whaling ships began operating in the North Pacific an interesting trend emerged. Within just a few years whalers saw a 58% drop in their successful strikes. Sperm whales had suddenly become harder to kill they had begun fleeing the boats instead of forming their usual defensive circles. Were whales communicating new strategies to each other David Gruber and Shane Gero investigate. Lesson" [YouTube Link](https://youtube.com/watch?v=00Ar2_irvJk) 2023-12-14T16:00Z 22.4M followers, 303.3K engagements "How close are we to eradicating HIV - Philip A. Chan Can we end HIV Find out how medications like PrEP are helping to prevent the transmission and spread of HIV and possibly leading to its eradication. -- The world is getting closer to achieving one of the most important public health goals of our time: eradicating HIV. And to do this we wont even have to cure the disease. We simply have to stop HIV from being transmitted until eventually it fizzles out. Philip A. Chan explores the preventive strategies helping us tackle HIV and the possibility of ending the epidemic. Lesson by Philip A. Chan" [YouTube Link](https://youtube.com/watch?v=5_78Fyk7mlE) 2019-06-10T15:10Z 22.4M followers, 908.7K 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 "How the bra was invented Moments of Vision [--] - Jessica Oreck View full lesson: http://ed.ted.com/lessons/how-the-bra-was-invented-moments-of-vision-1-jessica-oreck Lingerie has existed for hundreds of years but it wasn't until the 1920s that a standardized cup sizing system was invented that changed underwear forever. In the first installment of our Moments of Vision series Jessica Oreck traces the uplifting origin of the modern brassiere. Lesson and animation by Jessica Oreck. Jessica Oreck Bra origin of the bra inventions in a moment of vision innovation design women's rights corsetry Ida" [YouTube Link](https://youtube.com/watch?v=8PWca6-fvec) 2016-07-12T15:07Z 22.4M followers, 737.6K engagements "Inside your computer - Bettina Bair View full lesson: http://ed.ted.com/lessons/inside-your-computer-bettina-bair How does a computer work The critical components of a computer are the peripherals (including the mouse) the input/output subsystem (which controls what and how much information comes in and out) and the central processing unit (the brains) as well as human-written programs and memory. Bettina Bair walks us through the steps your computer takes with every click of the mouse. Lesson by Bettina Bair animation by Flaming Medusa Studios. Bettina Bair computer computer architecture how" [YouTube Link](https://youtube.com/watch?v=AkFi90lZmXA) 2013-07-01T15:14Z 22.4M followers, 3.3M 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 "Why should you read Virginia Woolf - Iseult Gillespie Download a free audiobook and support TED-Ed's nonprofit mission: http://www.audible.com/teded Check out Virginia Woolf's "A Room of One's Own": https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/a-room-of-ones-own View full lesson: https://ed.ted.com/lessons/why-should-you-read-virginia-woolf-iseult-gillespie How best can we understand the internal experience of alienation In both her essays and her fiction Virginia Woolf shapes the slippery nature of subjective experience into words while her characters frequently" [YouTube Link](https://youtube.com/watch?v=DcMLkce_BLg) 2017-10-05T15:00Z 22.4M followers, 3.2M engagements "Who's at risk for colon cancer - Amit H. Sachdev and Frank G. Gress Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/who-s-at-risk-for-colon-cancer-amit-h-sachdev-and-frank-g-gress Colon cancer is one of the leading causes of cancer and cancer death in the world. It is also one of the most preventable types of cancer as it often takes about ten years for a small polyp to grow and develop into a cancerous one. So whos at risk And how can people be screened Amit H. Sachdev and Frank G. Gress share some of the best ways to prevent colon" [YouTube Link](https://youtube.com/watch?v=H5zin8jKeT0) 2018-01-04T16:00Z 22.4M followers, 945K engagements "Which is stronger: Glue or tape - Elizabeth Cox Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/which-is-stronger-glue-or-tape-elizabeth-cox The oldest glue in the world is over [----] years old and comes from a cave near the Dead Sea. Today we have enough types of tape and glue to build and repair almost anything. But what gives glue and tape their stickiness And is one stronger than the other Elizabeth Cox explores the world of adhesives. Lesson by Elizabeth Cox animation by Sinbad Richardson. Thank you so much to our patrons for your" [YouTube Link](https://youtube.com/watch?v=HHuTrcXNxOk) 2018-04-30T15:12Z 22.4M followers, 15M engagements "Are spotty fruits and vegetables safe to eat - Elizabeth Brauer View full lesson: http://ed.ted.com/lessons/are-spotty-fruits-and-vegetables-safe-to-eat-elizabeth-brauer In [----] [--] billion dollars worth of fruits and vegetables were wasted by American retailers and shoppers in part because of cosmetic problems and perceived spoilage. But what are these spots anyway and are they okay to eat Elizabeth Brauer explains why you may not need to be afraid of picking up your grocery stores funky-looking fruit. Lesson by Elizabeth Brauer animation by TED-Ed. Elizabeth Brauer Biljana Labovic TED-Ed" [YouTube Link](https://youtube.com/watch?v=Mn5N60PCAjs) 2016-08-22T15:02Z 22.4M followers, 825.4K engagements "How to biohack your cells to fight cancer - Greg Foot Check out the science of biohacking where biologists go into a patients genetic code and reprogram their immune system to recognize and fight cancer cells. -- The human body is made up of about [--] trillion cells that carry a code which has been duplicated over and over for billions of years - with varying degrees of accuracy. So what happens when the system breaks down and the machinery turns on itself leading to cancer Greg Foot dives into the science of how biologists are biohacking the human body to try to fix the seemingly unfixable." [YouTube Link](https://youtube.com/watch?v=Mt5C5fhuU_0) 2019-04-09T15:00Z 22.4M followers, 1.4M engagements "Are we running out of clean water - Balsher Singh Sidhu Find out how students can share their ideas as TED Talks here: http://bit.ly/2RCMFgM View full lesson: https://ed.ted.com/lessons/are-we-running-out-of-clean-water-balsher-singh-sidhu Despite water covering 71% of the planets surface more than half the worlds population endures extreme water scarcity for at least one month a year. Current estimates predict that by [----] up to [--] more countries could be experiencing water shortages. These statistics raise a startling question: is the Earth running out of clean water Balsher Singh Sidhu" [YouTube Link](https://youtube.com/watch?v=OCzYdNSJF-k) 2018-12-06T16:00Z 22.4M followers, 1.1M engagements "What is dust made of - Michael Marder Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/what-is-dust-made-of-michael-marder Less than a tenth the size of an ant a dust mites whole world is contained in the dusty film under a bed or in a forgotten corner. This realm is right under our noses but from our perspective the tiny specks of brilliant color blend together into a nondescript grey. What are these colorful microscopic particles Michael Marder explores the science of dust. Lesson by Michael Marder animation by Mette Ilene Holmriis." [YouTube Link](https://youtube.com/watch?v=P21a5Uty-uc) 2018-05-24T15:00Z 22.4M followers, 1.1M engagements "How do nuclear power plants work - M. V. Ramana and Sajan Saini View full lesson: http://ed.ted.com/lessons/what-are-the-challenges-of-nuclear-power-m-v-ramana-and-sajan-saini Our ability to mine great amounts of energy from uranium nuclei has led some to bill nuclear power as a plentiful utopian source of electricity. But rather than dominate the global electricity market nuclear power has declined from a high of 18% in [----] to 11% today. What happened to the great promise of this technology M.V. Ramana and Sajan Saini detail the challenges of nuclear power. Lesson by M. V. Ramana and Sajan" [YouTube Link](https://youtube.com/watch?v=R7WPEYGr1Vs) 2017-05-08T15:03Z 22.4M followers, 3.3M engagements "The first asteroid ever discovered - Carrie Nugent Check out all of TED-Ed's book recommendations: http://ed.ted.com/books Check out Carrie Nugent's "Asteroid Hunters": https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/asteroid-hunters View full lesson: https://ed.ted.com/lessons/the-first-asteroid-ever-discovered-carrie-nugent Over the course of history weve discovered hundreds of thousands of asteroids. But how do astronomers discover these bits of rock and metal How many have they found And how do they tell asteroids apart Carrie Nugent shares the story of the very" [YouTube Link](https://youtube.com/watch?v=VKMWqOfbGME) 2017-10-16T15:02Z 22.4M followers, 308.1K engagements "Is our universe the only universe - Brian Greene Is there more than one universe In this visually rich action-packed talk Brian Greene shows how the unanswered questions of physics (starting with a big one: What caused the Big Bang) have led to the theory that our own universe is just one of many in the "multiverse." Talk by Brian Greene. Brian Greene TED TED talk universe multiverse physics big bang what caused the big how many universes are there theory astrophysics TED-Ed Ed TEDEducation Brian Greene TED TED talk universe multiverse physics big bang what caused the big how many universes" [YouTube Link](https://youtube.com/watch?v=Vx2RcUQNh6Q) 2013-04-19T20:16Z 22.4M followers, 2.1M engagements "Does your vote count The Electoral College explained - Christina Greer View full lesson: http://ed.ted.com/lessons/does-your-vote-count-the-electoral-college-explained-christina-greer You vote but then what Discover how your individual vote contributes to the popular vote and your state's electoral vote in different ways--and see how votes are counted on both state and national levels. Lesson by Christina Greer animation by Marked Animation. TEDEducation TED-Ed TED Ed Christina Greer Marked animation election electoral college electoral popular vote TEDEducation TED-Ed TED Ed Christina Greer" [YouTube Link](https://youtube.com/watch?v=W9H3gvnN468) 2012-11-01T15:00Z 22.4M followers, 8.6M engagements "What can DNA tests really tell us about our ancestry - Prosanta Chakrabarty Dig into the science of how ancestry DNA tests work their accuracy and why tracing ancestry is so complicated. -- Two sisters take the same DNA test. The results show that one sister is 10% French the other 0%. Both sisters share the same two parents and therefore the same set of ancestors. So how can one be 10% more French than the other Tests like these rely on our DNA to answer questions about our ancestry but DNA actually cant tell us everything. Prosanta Chakrabarty explores the accuracy of DNA tests. Lesson by" [YouTube Link](https://youtube.com/watch?v=YiydsMxOdM8) 2020-06-09T15:00Z 22.4M followers, 1.4M 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, 135.1K engagements "The myth of Thor's journey to the land of giants - Scott A. Mellor Download a free audiobook and support TED-Ed's nonprofit mission: http://adbl.co/2om4O4Q Check out Neil Gaiman's "Norse Mythology": http://bit.ly/2opZptA View full lesson: https://ed.ted.com/lessons/the-myth-of-thor-s-journey-to-the-land-of-giants-scott-a-mellor Thor son of Odin god of thunder and protector of mankind struggled mightily against his greatest challenge yet: opening a bag of food. How had the mighty god fallen so far Scott Mellor tells the myth of Thor's journey to Utgard. Lesson by Scott A. Mellor animation by" [YouTube Link](https://youtube.com/watch?v=e6XeP9gQPmg) 2018-02-22T16:03Z 22.4M followers, 8.8M engagements "Poetic Stickup: Put the Financial Aid in the Bag At TEDYouth [----] Performance artist Carvens Lissaint shows how to use language metaphor and imagery to express a powerful idea -- as in this spoken word performance a stirring plea to make college education more accessible. Literature and Language Playing with Language Carvens Lissaint Poetry Performance TED TED-Ed TED Education Poem Financial Aid Tuition Literature and Language Playing with Language Carvens Lissaint Poetry Performance TED TED-Ed TED Education Poem Financial Aid Tuition" [YouTube Link](https://youtube.com/watch?v=iMGRpzf2RL8) 2012-03-21T14:53Z 22.4M followers, 308.2K engagements "How scientists are creating real-life invisibility cloaks - Max G. Levy Learn more at https://brilliant.org/TedEd -- A spy presses a button on their suit and blinks out of sight. A wizard wraps himself in a cloak and disappears. A star pilot flicks a switch and their ship vanishes into space. Invisibility is one of the most tantalizing powers in fiction spanning all kinds of stories. But could this fantasy ever become a reality Max G. Levy digs into the technologies that could make invisibility possible. Lesson by Max G. Levy directed by Michalis Kalopaidis Zedem Media. This video made" [YouTube Link](https://youtube.com/watch?v=iRGrY9F1cCE) 2024-12-05T16:00Z 22.4M followers, 399.8K engagements "Why are there so many different kinds of dogs - Kathleen Morrill Pirovich Trace the evolution of dog breeds and find out why their characteristics behaviors and personalities vary so widely. -- The immense physical variety of dogs makes them among the worlds most diverse species and likely the one with the greatest range in size. A Pomeranian for example might weigh [--] kilograms while a Mastiff could tip the scale to [---]. So why is this And what does a dogs breed actually say about them Kathleen Morrill Pirovich explores the dizzying diversity of dogs. Lesson by Kathleen Morrill Pirovich" [YouTube Link](https://youtube.com/watch?v=ikxGwImO5sc) 2025-08-28T15:00Z 22.4M followers, 422.6K engagements "How do you know if you have a virus - Cella Wright Dig into two testing techniques for viruses: PCR tests to diagnose an infection and immunoassays to detect antibodies. -- A new virus emerges and spreads like wildfire. In order to contain it researchers must first collect data about whos been infected. Two main viral testing techniques are critical: one tells you if you have the virus and the other shows if youve already had it. So how exactly do these tests work Cella Wright explores the science of PCR tests and immunoassays. Lesson by Cella Wright directed by Hype CG. Animator's website:" [YouTube Link](https://youtube.com/watch?v=jEs9PzHc9ho) 2020-05-18T15:00Z 22.4M followers, 558.8K engagements "Why you feel stuck and how to get motivated - Shannon Odell Dig into the psychology of how to overcome your motivational obstacles and regain focus when you feel stuck in achieving your goals. -- Many of us have experienced feeling stuck. People often report feeling highly motivated at the start and end of a project but the middle can feel untethered. It can happen when tackling something as simple as a term paper or as monumental as social inequality or the climate crisis. So are there ways to get unstuck Shannon Odell digs into the psychology of overcoming your motivational obstacles." [YouTube Link](https://youtube.com/watch?v=kD3-DKkiVeA) 2025-02-04T16:01Z 22.4M followers, 1.4M engagements "Introducing TED Summer School Announcing TED Summer School A two-week summer program for students aged 15-18 to discover and share their best ideas with expert tutors. -- What if your summer could change how you see yourself In partnership with Immerse Education TED is introducing TED Summer School: a transformative two-week summer program for students aged 15-18 to discover shape and share their best ideas under the guidance of expert tutors. Students will have the opportunity to join either remotely or in-person in New York London or Singapore. Learn more about TEDSummerSchooland how you" [YouTube Link](https://youtube.com/watch?v=mnLVpkkQVRU) 2026-02-04T16:10Z 22.4M followers, 19.4K engagements "TED Prize wish: Protect our oceans - Sylvia Earle View full lesson: http://ed.ted.com/lessons/sylvia-earle-s-ted-prize-wish-to-protect-our-oceans Legendary ocean researcher Sylvia Earle shares astonishing images of the ocean -- and shocking stats about its rapid decline -- as she makes her TED Prize wish: that we will join her in protecting the vital blue heart of the planet. Sylvia Earle has been at the frontier of deep ocean exploration for four decades. She's led more than [--] undersea expeditions and she's been an equally tireless advocate for our oceans and the creatures who live in them." [YouTube Link](https://youtube.com/watch?v=pS-sfUHJaXI) 2012-12-21T15:59Z 22.4M followers, 53K engagements "CERN's supercollider - Brian Cox View full lesson: http://ed.ted.com/lessons/brian-cox-on-cern-s-supercollider "Rock-star physicist" Brian Cox talks about his work on the Large Hadron Collider at CERN. Discussing the biggest of big science in an engaging and accessible way Cox brings us along on a tour of the massive project. Talk by Brian Cox. TEDEducation TED-Ed TED Ed Brian Cox CERN physics Large Hadron Collider science TEDEducation TED-Ed TED Ed Brian Cox CERN physics Large Hadron Collider science" [YouTube Link](https://youtube.com/watch?v=u8C2Un6Gjhk) 2012-12-08T16:52Z 22.4M followers, 137.6K engagements "What happened to the lost Kingdom of Kush - Geoff Emberling Trace the rise and fall of the Kingdom of Kush an overlooked ancient African civilization which fought off both the Egyptians and Romans. -- Along the Nile River in what is now northern Sudan lay the ancient civilization of Kush. Though they were once conquered by a powerful neighbor the kings and queens of Kush would go on to successfully challenge two of the most dominant empires in history: the Egyptians and the Romans. So what happened to this African kingdom Geoff Emberling details the rise and fall of the Kush empire. Lesson by" [YouTube Link](https://youtube.com/watch?v=ylS_Uff2oMM) 2021-10-07T14:59Z 22.4M followers, 1.2M engagements "How pigeons took over the world - Elizabeth Carlen and Joanna Moles Trace the ancient history of the pigeon and discover how these birds became one of the most abundant species on the planet. -- Seeing their meat as a protein source and their poop as the perfect fertilizer humans brought pigeons into captivity as far back as [-----] years ago. As we carried pigeons around the world they formed the wild urban flocks we're familiar with today and became one of the most abundant species on the planet. Elizabeth Carlen and Joanna Moles track the feathery flier's rise to world domination. Lesson by" [YouTube Link](https://youtube.com/watch?v=z3QPYXNPaaE) 2022-03-15T15:01Z 22.4M followers, 702.1K engagements "Music and creativity in Ancient Greece - Tim Hansen View full lesson: http://ed.ted.com/lessons/music-and-creativity-in-ancient-greece-tim-hansen You think you love music You have nothing on the Ancient Greek obsession. Every aspect of Greek life was punctuated by song: history poetry theater sports and even astronomy. In fact music was so important to Greek philosopher Plato that he claimed the music we listen to directly affects our ethics. Tim Hansen wonders what Plato might have to say about the music we listen to today. Lesson by Tim Hansen animation by TOGETHER. TOGETHER astronomy music" [YouTube Link](https://youtube.com/watch?v=-1aAunaw1GA) 2013-12-03T16:11Z 22.4M followers, 774.7K engagements "Why are sloths so slow - Kenny Coogan View full lesson: http://ed.ted.com/lessons/why-are-sloths-so-slow-kenny-coogan Sloths spend most of their time eating resting or sleeping; in fact they descend from their treetops canopies just once a week for a bathroom break. How are these creatures so low energy Kenny Coogan describes the physical and behavioral adaptations that allow sloths to be so slow. Lesson by Kenny Coogan animation by Anton Bogaty. TED TED-Ed TED Education TEd Ed Kenny Coogan Anton Bogaty sloths giant sloth ground sloth lion Thomas Jefferson Lewis and Clark metabolism metabolic" [YouTube Link](https://youtube.com/watch?v=-64U7WoBrqM) 2017-04-25T15:01Z 22.4M followers, 6.3M engagements "The surprisingly long history of electric cars - Daniel Sperling and Gil Tal Can electric cars reclaim their place on the road Discover how developments in battery technology are making these cars more efficient and powerful. -- By the end of the 19th century nearly 40% of American cars were electric. But these vehicles had a few major problems early car batteries were expensive and inefficient and the vehicles were twice the price of a gas-powered car. And so for the next several decades gas-powered cars dominated the market. Can electric cars reclaim their place on the road Daniel Sperling" [YouTube Link](https://youtube.com/watch?v=-EG6rqA2vvA) 2021-10-26T15:01Z 22.4M followers, 606K engagements "Aphasia: The disorder that makes you lose your words - Susan Wortman-Jutt Dig into the language disorder known as aphasia that affects a persons ability to communicate effectively with others. -- Language is an essential part of our lives that we often take for granted. But if the delicate web of language networks in your brain became disrupted by stroke illness or trauma you could find yourself truly at a loss for words. Susan Wortman-Jutt details a disorder called aphasia which can impair all aspects of communication. Lesson by Susan Wortman-Jutt animation by TED-Ed. View full lesson:" [YouTube Link](https://youtube.com/watch?v=-GsVhbmecJA) 2016-09-15T15:17Z 22.4M followers, 1.6M engagements "What happens during a stroke - Vaibhav Goswami Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/what-happens-during-a-stroke-vaibhav-goswami Every two seconds someone in the world has a stroke. One out of every six people will have a stroke at some point in their lives. Strokes deprive brain cells of oxygen and are one of the most common causes of death and a leading cause of preventable disability. But what causes strokes in the first place And what can doctors do to treat them Vaibhav Goswami takes us into the body to find out. Lesson by" [YouTube Link](https://youtube.com/watch?v=-NJm4TJ2it0) 2018-02-01T16:04Z 22.4M followers, 3.4M 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 "How do your hormones work - Emma Bryce Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-do-your-hormones-work-emma-bryce Over our lifetimes our bodies undergo a series of extraordinary metamorphoses: we grow experience puberty and many of us reproduce. Behind the scenes the endocrine system works constantly to orchestrate these changes. Emma Bryce explains how this system regulates everything from your sleep to the rhythm of your beating heart exerting its influence over each and every one of your cells. Lesson by Emma Bryce animation" [YouTube Link](https://youtube.com/watch?v=-SPRPkLoKp8) 2018-06-21T15:01Z 22.4M followers, 2.6M engagements "Is AI the most important technology of the century Is the 21st century the most pivotal time in human history Explore how the decisions we make now may impact humanitys future. -- Is it possible that this century is the most important one in human history The 21st century has already proven to be a period of rapid growth. Were on the cusp of developing new technologies that could entirely change the way people live and could contribute to unprecedented levels of existential risk. Explore how the decisions we make now might have a major impact on humanitys future. Directed by Jon Mayes AIM" [YouTube Link](https://youtube.com/watch?v=-T__YWoq45I) 2023-04-04T15:01Z 22.4M followers, 473.5K engagements "Kiranmala: The tale of the princess who conquered Magic Mountain - Malay Bera Dig into the Bengali tale of a trio of siblings who attempt to scale the fearsome Magic Mountain to gain treasures for their home. -- Inspired by a kings visit a trio of siblings began building a palace traveling far and wide to collect rare jewels seeds and marble. A holy man stopped by and told them of a Magic Mountain east of north and north of east where theyd find their most meaningful treasures. But he said only a true hero could complete the journey. Malay Bera shares the Bengali tale of Kiranmala's quest." [YouTube Link](https://youtube.com/watch?v=-bFgGvl4pBQ) 2026-01-15T16:00Z 22.4M followers, 164.2K engagements "Are there universal expressions of emotion - Sophie Zadeh Learn more about TED-Ed Clubs here: http://bit.ly/2z8YFSo View full lesson: https://ed.ted.com/lessons/are-there-universal-expressions-of-emotion-sophie-zadeh The [--] or so muscles in the human face can be activated in different combinations to create thousands of expressions. But do these expressions look the same and communicate the same meaning around the world regardless of culture Is one persons smile anothers grimace Sophie Zadeh investigates. Lesson by Sophie Zadeh animated by Estdio Bacuri. Thank you so much to our patrons for" [YouTube Link](https://youtube.com/watch?v=-hr58Yu0yDs) 2018-07-03T15:00Z 22.4M followers, 468.5K engagements "Can you solve the fantasy election riddle - Dennis E. Shasha Practice more problem-solving at https://brilliant.org/TedEd -- After much debate the realm has decided dragon jousting may not be the best way to choose its leaders and has begun transitioning to democracy. Your company was hired to survey the citizens of the land and predict which candidate will win. Theres a lot riding on this: if you get it wrong heads well your head will quite literally roll. Can you predict the winner Dennis Shasha shows how. Lesson by Dennis E. Shasha directed by Igor Coric Artrake Studio. Support Our" [YouTube Link](https://youtube.com/watch?v=-lLkBoYv5FU) 2021-03-25T15:00Z 22.4M followers, 1.9M engagements "The smallest solution to one of our biggest problems - Tierney Thys & Christian Sardet Explore the possibility of plastivores organisms that can eat and break down plastic helping reduce the plastic waste on Earth. -- Each year humanity produces roughly [---] million tons of plastic 80% of which is discarded as trash. Of that plastic waste only one-tenth is recycled. 60% gets incinerated or goes into the landfills and 30% leaks out into the environment. Fortunately there are microbes that may be able to take a bite out of this growing problem. Tierney Thys and Christian Sardet explore the" [YouTube Link](https://youtube.com/watch?v=-m0YaE8uKcg) 2022-07-07T15:51Z 22.4M followers, 546.9K engagements "Why do people have seasonal allergies - Eleanor Nelsen View full lesson: http://ed.ted.com/lessons/why-do-some-people-have-seasonal-allergies-eleanor-nelsen Ah spring. Grass growing flowers blooming trees budding. For those with allergies though this explosion of new life probably inspires more dread than joy. So whats behind this annual onslaught of mucus Eleanor Nelsen explains what happens when your immune system goes rogue. Lesson by Eleanor Nelson animation by TED-Ed. Seasonal allergies Sneeze Allergic reaction Pollen Immune system Hay fever Allergic Rhinitis antibodies antihistamine" [YouTube Link](https://youtube.com/watch?v=-q7Fz7NIMWM) 2016-05-26T14:57Z 22.4M followers, 582.4K engagements "Why dont poisonous animals poison themselves - Rebecca D. Tarvin Have you checked out our Patreon page https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-don-t-poisonous-animals-poison-themselves-rebecca-d-tarvin Thousands of animal species use toxic chemicals to defend themselves from predators. Snakes have blood clotting compounds in their fangs the bombardier beetle has corrosive liquid in its abdomen and jellyfish have venomous harpoon-like structures in their tentacles. But how do these animals survive their own poisons Rebecca D. Tarvin details the strategies" [YouTube Link](https://youtube.com/watch?v=-sEpBGF106k) 2018-07-05T15:00Z 22.4M followers, 2.6M engagements Limited data mode. Full metrics available with subscription: lunarcrush.com/pricing
@teded TED-Ed
TED-Ed posts on YouTube about education, history, science, health the most. They currently have [----------] followers and [----] posts still getting attention that total [-------] engagements in the last [--] hours.
Engagements: [-------] #
- [--] Week [---------] +3.90%
- [--] Month [----------] +16%
- [--] Months [-----------] +28%
- [--] Year [-----------] +88%
Mentions: [-----] #
- [--] Week [-----] +7.50%
- [--] Month [-----] +5.20%
- [--] Months [-----] +10%
- [--] Year [-----] +75%
Followers: [----------] #
- [--] Week [----------] no change
- [--] Month [----------] +0.45%
- [--] Months [----------] +2.80%
- [--] Year [----------] +6.20%
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Social Influence
Social category influence countries 16.17% travel destinations #5633 finance 5.47% technology brands 1.91% social networks 1.16% stocks 1% automotive brands 0.91% celebrities 0.91% musicians 0.58% luxury brands 0.33%
Social topic influence education #171, history #649, science #447, health #436, in the #5988, how to #2937, the world #1504, can you #429, solve #147, check #590
Top accounts mentioned or mentioned by @vibeattractor @breland @gracebowers @info @tonysuccar @voguesfashionvault @thehiddenpast987 @davidarchie @immerseeducation @ucuvfxz23tf6dadwjyrduw @bonniemckeeofficial @taylaparx @oceanx @nunesbobby @mathsphysicslovers @learningjunction @astrowala @educationfusion @ilknuuuracar @bos_ahst
Top Social Posts
Top posts by engagements in the last [--] hours
"Greeting the world in peace - Jackie Jenkins View full lesson: http://ed.ted.com/lessons/jackie-jenkins-greeting-the-world-in-peace Conflict and cultural clashes are a part of our global reality but so is the universal desire for peace. From Bangladesh to Myanmar to Lesotho discover this inspiring common sentiment in traditional greetings of peace. Lesson by Jackie Jenkins animation by TED-Ed. TED-Ed TEDEducation TED Education culture greetings namaste global peace travel Jackie Jenkins TED-Ed TEDEducation TED Education culture greetings namaste global peace travel Jackie Jenkins"
YouTube Link 2012-09-04T15:05Z 22.4M followers, 151.9K engagements
"The real reason dodo birds went extinct - Leon Claessens Uncover the most common misperceptions about dodos and find out the truth of how the flightless birds actually went extinct. -- Dodos are commonly considered brainless blundering birds that were poorly adapted and doomed to die off making their human-mediated extinction effortless and inevitable. But thats not the case. So what were dodos actually like And what really caused their downfall Leon Claessens uncovers the truth about these misunderstood and maligned creatures. Lesson by Leon Claessens directed by Denys Spolitak. Support Our"
YouTube Link 2024-01-30T16:00Z 22.4M followers, 749.1K engagements
"A clever way to estimate enormous numbers - Michael Mitchell View the full lesson here: http://ed.ted.com/lessons/michael-mitchell-a-clever-way-to-estimate-enormous-numbers Have you ever tried to guess how many pieces of candy there are in a jar Or tackled a mindbender like: "How many piano tuners are there in Chicago" Physicist Enrico Fermi was very good at problems like these -- learn how he used the power of [--] to make amazingly fast estimations of big numbers. Lesson by Michael Mitchell animation by Mark Phillips. numbers speed of sound speed of light estimate estimation mathematics"
YouTube Link 2012-09-12T15:06Z 22.4M followers, 1.1M engagements
"Who were Las Mariposas and why were they murdered - Lisa Krause Get to know the story of the Mirabal sisters who led a revolution against Rafael Trujillos dictatorship in the Dominican Republic. -- For over [--] years thousands of people were imprisoned tortured and murdered under Rafael Trujillos dictatorship in the Dominican Republic. Three sisters would go on to lead an underground revolution. But while their courage inspired many it threatened the man in power and their lives would come to a tragic early end. Who were these brave women Lisa Krause tells the story of Las Mariposas. Lesson by"
YouTube Link 2021-03-08T16:00Z 22.4M followers, 1.8M engagements
"The myth of Oisn and the land of eternal youth - Iseult Gillespie Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-myth-of-oisin-and-the-land-of-eternal-youth-iseult-gillespie In a typical heros journey the protagonist sets out on an adventure undergoes great change and returns in triumph to their point of origin. But in the Irish genre of myth known as echtra the journey to the otherworld ends in a point of no return. Iseult Gillespie shares the myth of Oisn and the land of eternal youth. Lesson by Iseult Gillespie animation by Paper"
YouTube Link 2018-01-18T15:57Z 22.4M followers, 2.8M engagements
"Savitri and Satyavan: The legend of the princess who outwitted Death - Iseult Gillespie Dig into the tale of Princess Savitri and her one true love Satyavan and the tragic prophecy that entwined their fates forever. -- Princess Savitri was benevolent brilliant and bright. Her grace was known throughout the land and many princes and merchants flocked to her familys palace to seek her hand in marriage. But upon witnessing her blinding splendor in person the men lost their nerve. Unimpressed with these suitors she determined to find a husband herself. Iseult Gillespie tells the tale of Savitri"
YouTube Link 2021-01-12T16:00Z 22.4M followers, 6.3M engagements
"Why isnt the Netherlands underwater - Stefan Al Dig into the incredible engineering of the Netherlands Delta Works the most sophisticated flood prevention system in the world. -- In January [----] a tidal surge shook the North Sea. The titanic waves flooded the Dutch coastline killing almost [----] people. [--] years later a similar storm threatened the region. But this time they were ready. This was thanks to a massive interlocking system known as the Delta Works the most sophisticated flood prevention project in the world. Stefan Al dives into this marvel of engineering. Lesson by Stefan Al"
YouTube Link 2020-03-24T15:01Z 22.4M followers, 3.8M engagements
"The myth of Icarus and Daedalus - Amy Adkins View full lesson: http://ed.ted.com/lessons/the-myth-of-icarus-and-daedalus-amy-adkins In mythological ancient Greece Icarus flew above Crete on wings made from wax and feathers defying the laws of man and nature. To witnesses on the ground he looked like a god and he felt like one too. But in his society the line that separated god from man was absolute and the punishment for mortals who attempted to cross it was severe. Amy Adkins explains the myth of Icarus and Daedalus. Lesson by Amy Adkins animation by TED-Ed. TED TED-Ed TED Ed TED Education"
YouTube Link 2017-03-13T15:01Z 22.4M followers, 9.4M engagements
"Can you solve the unstoppable blob riddle - Dan Finkel A shooting star crashes onto Earth and unleashes a hideous rampaging blob. Can you stop it from destroying the planet -- A shooting star crashes onto Earth and a hideous blob emerges. It creeps and leaps it glides and slides. Its also unstoppable: no matter what you throw at it it just re-grows and continues its rampage. The only way to save the planet is to cut the entire blob into precise acute triangles while it sleeps rendering it inert. Can you stop the blob from destroying the planet Dan Finkel shows how. Lesson by Dan Finkel"
YouTube Link 2019-03-18T15:00Z 22.4M followers, 9.1M engagements
"The contributions of female explorers - Courtney Stephens View full lesson: http://ed.ted.com/lessons/the-contributions-of-female-explorers-courtney-stephens During the Victorian Age women were unlikely to become great explorers but a few intelligent gritty and brave women made major contributions to the study of previously little-understood territory. Courtney Stephens examines three women -- Marianne North Mary Kingsley and Alexandra David-Nel -- who wouldn't take no for an answer (and shows why we should be grateful that they didn't). Lesson by Courtney Stephens animation by Lizzi Akana."
YouTube Link 2013-06-12T15:10Z 22.4M followers, 487.9K engagements
"The movement that inspired the Holocaust - Alexandra Minna Stern and Natalie Lira Trace the history of the eugenics movement in the US and discover how the belief in ideal genetics led to forced sterilizations. -- Since ancient Greece humans have controlled populations via reproduction retaining some traits and removing others. But in the 19th century a new scientific movement dedicated to this endeavor emerged: eugenics. Scientists believed they could improve society by ensuring that only desirable traits were passed down. Alexandra Minna Stern and Natalie Lira detail the history of eugenics"
YouTube Link 2022-03-10T16:00Z 22.4M followers, 1.8M engagements
"The myth of the Sampo an infinite source of fortune and greed - Hanna-Ilona Hrmvaara 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 Check out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/kalevala -- After a skirmish at sea and long days of being battered by waves Vinminen a powerful bard as old as the world itself washed up on the shores of distant Pohjola. A cunning witch nursed him back to health but demanded a reward for"
YouTube Link 2019-09-23T15:00Z 22.4M followers, 2.3M engagements
"How fast can a vaccine be made - Dan Kwartler Dig into the three key phases of developing a new vaccine: exploratory research clinical testing and manufacturing. -- When a new pathogen emerges our bodies and healthcare systems are left vulnerable. And when this pathogen causes the outbreak of a pandemic theres an urgent need for a vaccine to create widespread immunity with minimal loss of life. So how quickly can we develop vaccines when we need them most Dan Kwartler describes the three phases of vaccine development. Lesson by Dan Kwartler directed by Good Bad Habits. Animator's website:"
YouTube Link 2020-06-15T15:01Z 22.4M followers, 1.1M engagements
"Listening to shame - Bren Brown Shame is an unspoken epidemic the secret behind many forms of broken behavior. Bren Brown whose earlier talk on vulnerability became a viral hit explores what can happen when people confront their shame head-on. Her own humor humanity and vulnerability shine through every word. Talk by Bren Brown. Brene Brown shame vulnerability psychology TED TED-Ed TED Ed TEDEducation Brene Brown shame vulnerability psychology TED TED-Ed TED Ed TEDEducation"
YouTube Link 2013-07-19T19:57Z 22.4M followers, 415.3K engagements
"The rise and fall of the Assyrian Empire - Marian H Feldman Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-rise-and-fall-of-the-assyrian-empire-marian-h-feldman Before the sun never set on the British Empire; before Genghis Khan swept the steppe; before Rome extended its influence to encircle the Mediterranean Sea; there was ancient Assyria. Considered by historians to be the first true empire Assyrias innovations laid the groundwork for every superpower that has followed. Marian H Feldman details the rise and fall of the Assyrian"
YouTube Link 2018-04-24T15:00Z 22.4M followers, 3.3M engagements
"Claws vs. nails - Matthew Borths Discover the evolutionary purpose of nails and explore the theories of why they evolved from claws over [--] million years ago. -- Consider the claw. Frequently found on animals around the world its one of natures most versatile tools. Bears use claws for digging as well as defense. An eagles needle-like talons can pierce the skulls of their prey. Even the ancestors of primates used to wield these impressive appendages until their claws evolved into nails. So what caused this adaptation Matthew Borths investigates. Lesson by Matthew Borths directed by Augenblick"
YouTube Link 2019-10-29T15:04Z 22.4M followers, 2.5M engagements
""Accents" by Denice Frohman An animated interpretation of Denice Frohman's poem "Accents" -- Watch an interview with the poet here: https://youtu.be/MbA7hvrDneo This animation is part of our series "There's a Poem for That" which features animated interpretations of poems both old and new that give language to some of life's biggest feelings. Check out the full series here: http://bit.ly/TEDEdTheresAPoemForThat Poem by Denice Frohman directed by KAPWA / Robertino Zambrano. Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Support us on Patreon: http://bit.ly/TEDEdPatreon Follow us on"
YouTube Link 2019-05-02T15:01Z 22.4M followers, 339.5K engagements
"The origin of countless conspiracy theories - PatrickJMT View full lesson: http://ed.ted.com/lessons/the-origin-of-countless-conspiracy-theories-patrickjmt Check out PatrickJMT's YouTube channel here: https://www.youtube.com/user/patrickJMT Why can we find geometric shapes in the night sky How can we know that at least two people in London have exactly the same number of hairs on their head And why can patterns be found in just about any text even Vanilla Ice lyrics PatrickJMT describes the Ramsey theory which states that given enough elements in a set or structure some interesting pattern"
YouTube Link 2016-05-19T15:06Z 22.4M followers, 2.3M engagements
"The moral roots of liberals and conservatives - Jonathan Haidt View full lesson: http://ed.ted.com/lessons/jonathan-haidt-on-the-moral-roots-of-liberals-and-conversatives Psychologist Jonathan Haidt studies the five moral values that form the basis of our political choices whether we're left right or center. In this eye-opening talk he pinpoints the moral values that liberals and conservatives tend to honor most. Jonathan Haidt studies how -- and why -- we evolved to be moral. By understanding more about our moral roots his hope is that we can learn to be civil and open-minded. Talk by"
YouTube Link 2012-12-31T16:00Z 22.4M followers, 2.8M engagements
"Do politics make us irrational - Jay Van Bavel Dig into the psychology of political partisanship how to recognize it and what strategies can be used to combat it. -- Can someones political identity actually affect their ability to process information The answer lies in a cognitive phenomenon known as partisanship. While identifying with social groups is an essential and healthy part of life it can become a problem when the groups beliefs are at odds with reality. So how can we recognize and combat partisanship Jay Van Bavel shares helpful strategies. Lesson by Jay Van Bavel directed by"
YouTube Link 2020-02-04T16:00Z 22.4M followers, 587.9K engagements
"How the bendy straw was invented Moments of Vision [--] - Jessica Oreck View full lesson: http://ed.ted.com/lessons/how-the-bendy-straw-was-invented-moments-of-vision-12-jessica-oreck Today Americans use an estimated [---] million drinking straws every day. But where did the idea for this beloved utensil come from In the twelfth installment of our Moments of Vision series Jessica Oreck shares the origins of the bendy straw. Lesson and animation by Jessica Oreck. TED Joseph B. Friedman straw paper straw bendy straw milkshake soda parlor screw dental floss utensil TED-Ed TED Education TED Ed"
YouTube Link 2017-06-01T15:01Z 22.4M followers, 435.7K engagements
"The rise and fall of the Berlin Wall - Konrad H. Jarausch Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-rise-and-fall-of-the-berlin-wall-konrad-h-jarausch On August [--] [----] construction workers began tearing up streets and erecting barriers in Berlin. This night marked the beginning of one of historys most infamous dividing lines: the Berlin Wall. Construction continued for a decade as the wall cut through neighborhoods separated families and divided not just Germany but the world. Konrad H. Jarausch details the history of the"
YouTube Link 2017-08-16T15:02Z 22.4M followers, 9.8M engagements
"The myth of Pegasus and the chimera - Iseult Gillespie Discover the myth of Bellerophon the hero who battled and killed the Chimera monster atop the winged horse Pegasus. -- Shielded from the gorgons stone gaze Perseus crept through Medusas cave. When he reached her he drew his sickle and brought it down on her neck. From Medusa's neck sprung two children. One was a giant wielding a golden sword; the other was the magnificent winged horse Pegasus. No bridle could contain him until one fateful day. Iseult Gillespie details the myth of the hero Bellerophon. Lesson by Iseult Gillespie directed"
YouTube Link 2022-09-29T15:00Z 22.4M followers, 1.1M engagements
"Rosalind Franklin: DNA's unsung hero - Cludio L. Guerra Get to know Rosalind Franklin a scientist whose work was integral to discovering the double helix structure of DNA. -- The discovery of the structure of DNA was one of the most important scientific achievements in human history. The now-famous double helix is almost synonymous with Watson and Crick two of the scientists who won the Nobel prize for figuring it out. But theres another name you may not know: Rosalind Franklin. Cludio L. Guerra shares the true story of the woman behind the helix. Lesson by Cludio L. Guerra animation by Chris"
YouTube Link 2016-07-11T15:02Z 22.4M followers, 1.9M engagements
"What is a gift economy - Alex Gendler View full lesson: http://ed.ted.com/lessons/what-is-a-gift-economy-alex-gendler What if this holiday season instead of saying "thank you" to your aunt for her gift of a knitted sweater the polite response expected from you was to show up at her house in a week with a better gift Or to vote for her in the town election Or let her adopt your firstborn child Alex Gendler explains how all of these things might not sound so strange if you were involved in a gift economy. Lesson by Alex Gendler animation by Avi Ofer. TED-Ed TEDEd TED TEDx Economy Gift Present"
YouTube Link 2014-12-23T16:10Z 22.4M followers, 495.9K engagements
"The other "Golden Rule" - David L. Hu Dive into the physics of the Other Golden Rule and explore the systems and methods animals use to excrete waste. -- A cats bladder can only store a golf balls worth of urine. For humans its a coffee mug and for elephants a kitchen trash can. An elephants bladder is [---] times the size of a cats but it doesnt take an elephant [---] times longer to pee. So how does this work David L. Hu digs into what scientists call the Other Golden Rule. Lesson by David L. Hu directed by Anton Bogaty. Support Our Non-Profit Mission"
YouTube Link 2020-11-05T16:01Z 22.4M followers, 378.5K engagements
"Whats the best country to live in Discover the shortcomings of using GDP to measure a countrys well-being and what alternatives can be used to gauge quality of life. -- Whats the best country to live in Is it the one with the best food The longest life expectancy The best weather For the past [--] years most governments have relied heavily on a single number: the Gross Domestic Product or GDP. But it was never intended for its current purpose; and some argue that we are addicted to making it grow. Explore the different ways countries measure quality of life. Directed by Xenia Galchin AIM"
YouTube Link 2022-06-30T15:01Z 22.4M followers, 778.5K engagements
"Group theory 101: How to play a Rubiks Cube like a piano - Michael Staff View full lesson: http://ed.ted.com/lessons/group-theory-101-how-to-play-a-rubik-s-cube-like-a-piano-michael-staff Mathematics explains the workings of the universe from particle physics to engineering and economics. Math is even closely related to music and their common ground has something to do with a Rubik's Cube puzzle. Michael Staff explains how group theory can teach us to play a Rubiks Cube like a piano. Lesson by Michael Staff animation by Shixie. Group theory Michael Staff TED TED-Ed TED Education TEDx Integers"
YouTube Link 2015-11-02T16:29Z 22.4M followers, 1.7M 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
"How does an atom-smashing particle accelerator work - Don Lincoln View full lesson: http://ed.ted.com/lessons/how-does-an-atom-smashing-particle-accelerator-work-don-lincoln An atom smasher or particle accelerator collides atomic nuclei together at extremely cold temperatures very low air pressure and hyperbolically fast speeds. Don Lincoln explains how scientists harness the power of both electric and magnetic fields to smash atoms eventually leading to major discoveries about the matter in our universe. Lesson by Don Lincoln animation by Sputnik Animation"
YouTube Link 2013-04-18T15:07Z 22.4M followers, 763.4K engagements
"Why do our bodies age - Monica Menesini View full lesson: http://ed.ted.com/lessons/why-do-our-bodies-age-monica-menesini Human bodies arent built for extreme aging: our capacity is set at about [--] years. But what does aging really mean and how does it counteract the bodys efforts to stay alive Monica Menesini details the nine physiological traits that play a central role in aging. Lesson by Monica Menesini animation by Cinematic. Monica Menesini Cinematic Pen-Pen Chen Aging Ageing life expectancy Jeanne Calment mortality living longer cell repair senescence telomere telomere attrition stem"
YouTube Link 2016-06-09T15:01Z 22.4M followers, 3.2M engagements
"The myth of the stolen eyeballs - Nathan D. Horowitz Discover the Siekopai myth of the air goblins spirits who fly and control the winds as they clash with the human world. -- Deep in the Amazon rainforest in the river Neaocoy lived a school of particularly big and tasty fish. When the rains came and the water rose the fish appeared and swam away as the waters fell. Villagers along the river followed them to a lagoon and set up camp. But their young shaman soon sensed they might not be completely alone. Nathan D. Horowitz details the Siekopai myth of the air goblins. Lesson by Nathan D."
YouTube Link 2020-10-05T15:00Z 22.4M followers, 1.5M engagements
"What light can teach us about the universe - Pete Edwards View full lesson: http://ed.ted.com/lessons/what-light-can-teach-us-about-the-universe-pete-edwards Humanity has long been looking at the universe and asking the big questions: How did it begin How will it end Cosmologists are searching hard for the answers but where do they even start The answer is light. Pete Edwards outlines the six unique messages that light carries which when put together disclose a stunning amount of information to astronomers. Lesson by Pete Edwards animation by Bevan Lynch. Pete Edwards universe light Edwin"
YouTube Link 2014-07-31T15:04Z 22.4M followers, 329.9K engagements
"The amazing ways plants defend themselves - Valentin Hammoudi Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-amazing-ways-plants-defend-themselves-valentin-hammoudi Plants are constantly under attack. They face threats ranging from microscopic fungi to small herbivores like caterpillars up to large herbivores like elephants. But plants are ready with a whole series of internal and external defenses that make them a less appealing meal or even a deadly one. Valentin Hammoudi explains some of the fascinating ways that plants defend"
YouTube Link 2017-08-28T15:05Z 22.4M followers, 4.4M engagements
"Are you a body with a mind or a mind with a body - Maryam Alimardani Download a free audiobook version of The Three Body Problem" and support TED-Ed's nonprofit mission: http://www.audible.com/teded -- Our bodies the physical biological parts of us and our minds the thinking conscious aspects have a complicated tangled relationship. Which one primarily defines you or your self Are you a body with a mind or a mind with a body Maryam Alimardani investigates. Lesson by Maryam Alimardani directed by Ivana Bonjak & Thomas Johnson. View full lesson:"
YouTube Link 2017-09-25T14:59Z 22.4M followers, 3.5M engagements
"Can you outsmart a troll (by thinking like one) - Claire Wardle Explore the strategies employed by trolls and learn how disinformation campaigns are launched and how to stop them. -- Your town is holding a mayoral election and the stakes have never been higher. You suspect one of the candidates will begin pushing false information to swing the election. As the cybersecurity expert your job is to inoculate the townspeople against false information. First you must learn the strategies of disinformation trolls. Claire Wardle explores the tactics of disinformation campaigns. Lesson by Claire"
YouTube Link 2020-10-29T15:00Z 22.4M followers, 865.8K engagements
"Which sunscreen should you choose - Mary Poffenroth View full lesson: http://ed.ted.com/lessons/which-sunscreen-should-you-choose-mary-poffenroth Sunscreen comes in many forms each with its own impacts on your body and the environment. With so many options how do you choose which sunscreen is best for you To answer that question Mary Poffenroth explains how sunscreens work and compares different application methods SPFs and active ingredients to help you make the best choice. Lesson by Mary Poffenroth animation by Rob Kohr and Travis Spangler. Mary Poffenroth Rob Kohr Travis Spangler suncream"
YouTube Link 2016-08-01T15:02Z 22.4M followers, 569.3K engagements
"The most common STI in the world - Emma Bryce Get informed on the causes and risks of human papillomavirus HPV and how to protect yourself from the infection. -- At some point most sexually active people will be infected with human papillomavirus or HPV. There are over [---] types of HPV and most of the time the body eliminates infections without symptoms but some strains can pose serious health risks down the line. How can you protect yourself from HPV Emma Bryce explains how the virus causes harm whos at risk and how to minimize those risks. Lesson by Emma Bryce directed by Sharon Colman."
YouTube Link 2019-07-09T15:01Z 22.4M followers, 908.1K engagements
"The happy secret to better work - Shawn Achor View full lesson: http://ed.ted.com/lessons/the-happy-secret-to-better-work-shawn-achor We believe that we should work to be happy but could that be backwards In this fast-moving and entertaining talk psychologist Shawn Achor argues that actually happiness inspires productivity. (Filmed at TEDxBloomington.) Talk by Shawn Achor"
YouTube Link 2013-06-16T15:13Z 22.4M followers, 198.2K engagements
"The myth of Loki and the master builder - Alex Gendler Dive into the Norse myth of how Loki tricked a stranger into building the great wall of Asgard to keep the realm safe from giants. -- Asgard a realm of wonders was where the Norse Gods made their home. There Odins great hall of Valhalla towered above the mountains and Bifrost the rainbow bridge anchored itself. Though their domain was magnificent it stood undefended from the giants and trolls who sought to destroy them. But a stranger appeared and made the gods an offer. Alex Gendler details the myth of the master builder. Lesson by Alex"
YouTube Link 2019-11-14T16:00Z 22.4M followers, 2.7M engagements
"Making a TED-Ed Lesson: Animation View full lesson: http://ed.ted.com/lessons/making-a-ted-ed-lesson-animation Ever wondered how a TED-Ed animation is made Go behind-the-scenes of "How do cancer cells behave differently from healthy ones" with educator George Zaidan animation director Biljana Labovic and animator Lisa LaBracio. animation ted-ed ted teded stop motion shimmering George Zaidan Lisa LaBracio Biljana Labovic animation ted-ed ted teded stop motion shimmering George Zaidan Lisa LaBracio Biljana Labovic"
YouTube Link 2013-05-27T14:57Z 22.4M followers, 117.1K engagements
""Ode to the Only Black Kid in the Class" poem by Clint Smith An animated interpretation of Clint Smith's poem "Ode to the Only Black Kid in the Class" -- Watch an interview with the poet here: https://youtu.be/xtGuRnYpYRM This animation is part of our series "There's a Poem for That" which features animated interpretations of poems both old and new that give language to some of life's biggest feelings. Check out the full series here: http://bit.ly/TEDEdTheresAPoemForThat Poem by Clint Smith directed by Niv Sekar. Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Support us on Patreon:"
YouTube Link 2019-09-09T15:00Z 22.4M followers, 260K engagements
"Let's put birth control back on the agenda - Melinda Gates Contraception. The topic has become controversial in recent years. But should it be Melinda Gates believes that many of the world's social change issues depend on ensuring that women are able to control their rate of having kids. In this significant talk she makes the case for the world to re-examine an issue she intends to lend her voice to for the next decade. (Filmed at TEDxChange.) Talk by Melinda Gates"
YouTube Link 2013-06-05T20:12Z 22.4M followers, 23.5K 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, 479.8K engagements
"Bird migration a perilous journey - Alyssa Klavans Explore why migration is so taxing and dangerous for birds and what ways we can help birds on their journey. -- Nearly [---] species of songbirds migrate south for winter some traveling up to [----] miles. No easy task the annual journey is dangerous to birds due to landscape change -- so much so that only half the birds that migrate south will return home for spring. Alyssa Klavans details why bird migration is so taxing and how we can assist our chirping friends. Lesson by Alyssa Klavans animation by Igor Coric. Sign up for our newsletter:"
YouTube Link 2013-09-17T15:12Z 22.4M followers, 282.2K engagements
"What adults can learn from kids - Adora Svitak View full lesson: http://ed.ted.com/lessons/what-adults-can-learn-from-kids-adora-svitak Child prodigy Adora Svitak says the world needs "childish" thinking: bold ideas wild creativity and especially optimism. Kids' big dreams deserve high expectations she says starting with grownups' willingness to learn from children as much as to teach. Talk by Adora Svitak. dreams expectations idealist utopia utopian Adora Svitak TED TED Talk TED-Ed TEDEducation Ed dreams expectations idealist utopia utopian Adora Svitak TED TED Talk TED-Ed TEDEducation Ed"
YouTube Link 2013-02-22T16:01Z 22.4M followers, 245.3K engagements
"How pandemics spread Dig into the history of pandemics to learn how viruses and disease spreads and what we can do to stop future outbreaks. -- In our increasingly globalized world a single infected person can board a plane and spread a virus across continents. Mark Honigsbaum describes the history of pandemics and how that knowledge can help halt future outbreaks. Lesson by Mark Honigsbaum directed by Patrick Blower. Animator's website: http://www.patrickblower.com Educator's website: http://www.markhonigsbaum.co.uk Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Support us on"
YouTube Link 2012-03-12T04:15Z 22.4M followers, 3.5M engagements
"Who am I A philosophical inquiry - Amy Adkins View full lesson: http://ed.ted.com/lessons/who-am-i-a-philosophical-inquiry-amy-adkins Throughout the history of mankind the subject of identity has sent poets to the blank page philosophers to the agora and seekers to the oracles. These murky waters of abstract thinking are tricky to navigate so its probably fitting that to demonstrate the complexity the Greek historian Plutarch used the story of a ship. Amy Adkins illuminates Plutarchs Ship of Theseus. Lesson by Amy Adkins animation by Stretch Films Inc. Amy Adkins Ship of Theseus Philosophy"
YouTube Link 2015-08-11T15:31Z 22.4M followers, 4M engagements
"What we know (and don't know) about Ebola - Alex Gendler View full lesson: http://ed.ted.com/lessons/what-we-know-and-don-t-know-about-ebola-alex-gendler The highly virulent Ebola virus has seen a few major outbreaks since it first appeared in [----] -- with the worst epidemic occurring in [----]. How does the virus spread and what exactly does it do to the body Alex Gendler details what Ebola is and why it's so hard to study. Lesson by Alex Gendler animation by Andrew Foerster. Ebola Ebola virus disease virus Ebola River ebola outbreak disease outbreak epidemic virus spread TED TED-Ed TED Ed"
YouTube Link 2014-12-04T16:03Z 22.4M followers, 2.1M engagements
"Attack of the killer algae - Eric Noel Muoz View full lesson: http://ed.ted.com/lessons/attack-of-the-killer-algae-eric-noel-munoz As benign as it may look up close the tiny seaweed Caulerpa taxifolia can wreak quite a bit of havoc on coastal ecosystems. This super algae is very adaptable; it also grows fast and spreads easily. Eric Noel Muoz gives the details of this plant's incredible invasion shedding light on the risks of introducing invasive species into new ecosystems. Lesson by Eric Noel Muoz animation by Eli Enigenburg. Eric Noel Munoz Eli Enigenburg Caulperpa invasive species algae"
YouTube Link 2014-06-24T15:05Z 22.4M followers, 424.9K engagements
"The ancient origins of the Olympics - Armand D'Angour How did the Olympics become the greatest show of sporting excellence on Earth Dig into the history and evolution of the global event. -- Thousands of years in the making the Olympics began as part of a religious festival honoring the Greek god Zeus in the rural Greek town of Olympia. But how did it become the greatest show of sporting excellence on earth Armand DAngour explains the evolution of the Olympics. Lesson by Armand D'Angour animation by Diogo Viegas. Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Support us on Patreon:"
YouTube Link 2015-09-03T15:03Z 22.4M followers, 2.5M engagements
"Can you solve the Ragnarok riddle - Dan Finkel Practice more problem-solving at https://brilliant.org/TedEd/ -- Ragnarok: The fabled end of the world when giants monsters and Norse gods battle for the future. The gods were winning until the great serpent Jrmungandr emerged. It swallowed Valhalla and contorted itself across the land. Odin has just enough power to strike with one final bolt of lightning and you have the fabled hammer Mjlnir. Can you two destroy the serpent Dan Finkel shows how. Lesson by Dan Finkel directed by Artrake Studio. Animator's website: https://www.artrake.com Sign up"
YouTube Link 2020-06-30T15:09Z 22.4M followers, 5.4M engagements
"How transistors work - Gokul J. Krishnan View full lesson: http://ed.ted.com/lessons/how-transistors-work-gokul-j-krishnan Modern computers are revolutionizing our lives performing tasks unimaginable only decades ago. This was made possible by a long series of innovations but theres one foundational invention that almost everything else relies upon: the transistor. Gokul J. Krishnan describes what a transistor is and how this small device enables all the amazing things computers can do. Lesson by Gokul J. Krishna animation by Augenblick Studios. Gokul J Krishna Augenblick Studios Transistors"
YouTube Link 2016-06-06T15:09Z 22.4M followers, 983.5K engagements
"The myth of Arachne - Iseult Gillespie Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-myth-of-arachne-and-athena-iseult-gillespie From sailors who were turned into pigs nymphs that sprouted into trees and a gaze that converted the beholder to stone Greek mythology brims with shape-shifters. The powerful Gods usually changed their own forms at will - but for mortals the mutations were often unwanted. Iseult Gillespie shares how one such unnerving transformation befell the spinner Arachne. Lesson by Iseult Gillespie animation by Mette"
YouTube Link 2018-02-08T15:58Z 22.4M followers, 9.4M engagements
"How bees help plants have sex - Fernanda S. Valdovinos View full lesson: http://ed.ted.com/lessons/how-bees-help-plants-have-sex-fernanda-s-valdovinos Plants have a hard time finding mates -- their inability to get up and move around tends to inhibit them. Luckily for plants bees and other pollinator species (including butterflies moths and birds) help matchmake these lonely plants in exchange for food. Fernanda S. Valdovinos explains how these intricate pollination networks work and how it can all change from one season to the next. Lesson by Fernanda S. Valdovinos animation by The Moving"
YouTube Link 2014-06-17T15:29Z 22.4M followers, 181.2K engagements
"How does your body know what time it is - Marco A. Sotomayor View full lesson: http://ed.ted.com/lessons/how-does-your-body-know-what-time-it-is-marco-a-sotomayor Being able to sense time helps us do everything from waking and sleeping to knowing precisely when to catch a ball thats hurtling towards us. And we owe all these abilities to an interconnected system of timekeepers in our brains. But how do they work Marco A. Sotomayor details how human bodies naturally tell time. Lesson by Marco A. Sotomayor animation by TOGETHER. Marco Sotomayor TOGETHER Hector Herrera Michel Siffre time"
YouTube Link 2016-12-08T16:05Z 22.4M followers, 1M engagements
"Why should you read Fahrenheit [---] - Iseult Gillespie Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter View full lesson: https://ed.ted.com/lessons/why-should-you-read-fahrenheit-451-iseult-gillespie Ray Bradburys novel imagines a world where books are banned- and possessing let alone reading them is forbidden.The protagonist Montag is a fireman responsible for destroying what remains. The story raises the question: how can you preserve your mind in a society where free will self-expression and curiosity are under fire Iseult Gillespie examines what makes"
YouTube Link 2019-01-22T15:59Z 22.4M followers, 4.2M 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, 393.4K engagements
"The mighty mathematics of the lever - Andy Peterson and Zack Patterson View full lesson: http://ed.ted.com/lessons/the-mighty-mathematics-of-the-lever-andy-peterson-and-zack-patterson Archimedes once said Give me a place to stand and I shall move the Earth. While the idea of a person moving such a huge mass on their own might sound impossible chances are youve seen this idea in action at your local playground. Andy Peterson and Zack Patterson use the seesaw to illustrate the amazing implications and uses of the lever. Lesson by Andy Peterson and Zack Patterson animation by The Moving Company"
YouTube Link 2014-11-18T16:00Z 22.4M followers, 1.3M engagements
"Why is there a "b" in doubt - Gina Cooke View full lesson: http://ed.ted.com/lessons/beyond-the-shadow-of-a-doubt-gina-cooke Say the word "doubt" aloud. What is that "b" doing there Does it have any purpose Gina Cooke explains the long and winding history of "doubt" and why the spelling though it seems random is a wink to its storied past. Lesson by Gina Cooke animation by The Leading Sheep Studios. TEDEducation TED-Ed TED Ed spelling Gina Cooke The Leading Sheep Studios doubt Latin Latin spelling silent letters how to spell spell doubt TEDEducation TED-Ed TED Ed spelling Gina Cooke The"
YouTube Link 2012-12-17T16:04Z 22.4M followers, 719K engagements
"Are food preservatives bad for you - Eleanor Nelsen View full lesson: http://ed.ted.com/lessons/are-preservatives-bad-for-you-eleanor-nelsen Food doesnt last. In days sometimes hours bread goes moldy apple slices turn brown and bacteria multiply in mayonnaise. But you can find all of these foods out on the shelf at the grocery store hopefully unspoiled -- thanks to preservatives. But what exactly are preservatives How do they help keep food edible And are they safe Eleanor Nelsen investigates. Lesson by Eleanor Nelsen animation by Compote Collective. Eleanor Nelsen Compote Collective"
YouTube Link 2016-11-08T16:02Z 22.4M followers, 1.4M engagements
"The world's English mania - Jay Walker View full lesson: http://ed.ted.com/lessons/the-world-s-english-mania-jay-walker Jay Walker explains why two billion people around the world are trying to learn English. He shares photos and spine-tingling audio of Chinese students rehearsing English -- "the world's second language" -- by the thousands. Talk by Jay Walker. speak English Jay Walker TED TED Talk TEDEducation Ed TED-Ed speak English Jay Walker TED TED Talk TEDEducation Ed TED-Ed"
YouTube Link 2013-03-01T21:10Z 22.4M followers, 590.9K engagements
"Pixar: The math behind the movies - Tony DeRose View full lesson: http://ed.ted.com/lessons/pixar-the-math-behind-the-movies-tony-derose The folks at Pixar are widely known as some of the world's best storytellers and animators. They are perhaps less recognized as some of the most innovative math whizzes around. Pixar Research Lead Tony DeRose delves into the math behind the animations explaining how arithmetic trigonometry and geometry help bring Woody and the rest of your favorite characters to life. Talk by Tony DeRose. Tony DeRose Pixar math animation animation and math Toy Story Finding"
YouTube Link 2014-03-25T15:00Z 22.4M followers, 725.6K engagements
"The historic womens suffrage march on Washington - Michelle Mehrtens Explore how the Womens Suffrage Parade on Washington in [----] helped women secure the right to vote in the United States through the 19th amendment. -- On March [--] [----] after months of strategic planning and controversy thousands of women gathered in Washington D.C. for the Womens Suffrage Parade -- the first mass protest for a womans right to vote. Michelle Mehrtens details how the march rejuvenated the fight for the 19th amendment. Lesson by Michelle Mehrtens directed by WOW-HOW Studio. Sign up for our newsletter:"
YouTube Link 2019-03-04T16:00Z 22.4M followers, 678.1K engagements
"How to visualize one part per million - Kim Preshoff + The TED-Ed Community View full lesson: http://ed.ted.com/lessons/how-to-visualize-one-part-per-million-kim-preshoff-the-ted-ed-community Parts per million is a scientific unit of measurement that counts the number of units of one substance per one million units of another. But because its hard to conceptualize really large numbers it can be difficult to wrap our brains around what one part per million really means. Kim Preshoff (with help from 100+ animators from the TED-Ed Community) shares nine helpful ways to visualize it. Lesson by"
YouTube Link 2016-08-15T15:00Z 22.4M followers, 394.2K engagements
"The incredible collaboration behind the International Space Station - Tien Nguyen View full lesson: http://ed.ted.com/lessons/the-incredible-collaboration-behind-the-international-space-station-tien-nguyen This video was created with the support of the U.S. Office of Research Integrity: http://ori.hhs.gov. The International Space Station is roughly the size of a six-bedroom house and weighs more than [---] cars -- it's so large that no single rocket could have lifted it into orbit. Instead it was assembled piece by piece while hurtling through space at [-----] kilometers per hour lapping the"
YouTube Link 2015-09-29T18:57Z 22.4M followers, 711.3K engagements
"Does planting trees actually cool the planet - Carolyn Beans Dig into common mistakes that tree-planting programs make and explore strategies that can successfully re-green the planet. -- In fighting climate change few solutions are discussed more than planting lots and lots of trees. It sounds simple enough: trees absorb CO2 from the atmosphere so planting more should help eliminate greenhouse gasses. The trouble is tree planting efforts dont always work as planned. So when is it bad to plant trees Carolyn Beans explores strategies to successfully re-green the planet. Lesson by Carolyn Beans"
YouTube Link 2023-12-19T16:00Z 22.4M followers, 613.3K engagements
"The Japanese myth of the trickster raccoon - Iseult Gillespie Dive into the Japanese myth of the shape-shifting tanuki as the raccoon-like creature rewards a traveling salesman for his kindness. -- On the dusty roads of a small village a traveling salesman was having difficulty selling his wares. As he wandered the outskirts of town in the hopes of finding some new customers he heard a high-pitched yelp coming from the edge of the forest. Following the screams to their source he discovered a trapped tanuki. Iseult Gillespie details the Japanese myth of the shape-shifting creature. Lesson by"
YouTube Link 2021-01-25T16:00Z 22.4M followers, 1.2M engagements
"The most lightning-struck place on Earth - Graeme Anderson View full lesson: http://ed.ted.com/lessons/the-most-lightning-struck-place-on-earth-graeme-anderson Lake Maracaibo is the stormiest place on the planet. Thunderstorms rage above this massive body of water for up to [---] days of the year with each ear-splitting event lasting for several hours. But why Graeme Anderson lists the factors that create Lake Maracaibo's seemingly ever-lasting storms. Lesson by Graeme Anderson animation by D. Lee Peffer II. D. Lee Peffer II Graeme Anderson Lake Maracaibo lightning weather storms D. Lee Peffer"
YouTube Link 2016-01-28T16:11Z 22.4M followers, 588.9K 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
"Network theory - Marc Samet View full lesson: http://ed.ted.com/lessons/what-facebook-and-the-flu-have-in-common-marc-samet From social media to massive financial institutions we live within a web of networks. But how do they work How does Googling a single word provide millions of results Marc Samet investigates how these networks keep us connected and how they remain "alive." Lesson by Marc Samet animation by Thinkmore Studios. Marc Samet Thinkmore Studios Google Facebook Google analytics social networks network theory six degrees of separation Marc Samet Thinkmore Studios Google Facebook"
YouTube Link 2013-01-23T16:03Z 22.4M followers, 231.9K engagements
"How to spot a liar - Pamela Meyer On any given day we're lied to from [--] to [---] times and the clues to detect those lie can be subtle and counter-intuitive. Pamela Meyer author of Liespotting shows the manners and "hotspots" used by those trained to recognize deception -- and she argues honesty is a value worth preserving. Talk by Pamela Meyer. Pamela Meyer TED liespotting how to tell when someone is lying deception honesty ethics morality TED-Ed TED Ed TEDEducation Pamela Meyer TED liespotting how to tell when someone is lying deception honesty ethics morality TED-Ed TED Ed TEDEducation"
YouTube Link 2013-08-09T20:21Z 22.4M followers, 53K engagements
"A guide to the energy of the Earth - Joshua M. Sneideman View full lesson: http://ed.ted.com/lessons/a-guide-to-the-energy-of-the-earth-joshua-m-sneideman Energy is neither created nor destroyed and yet the global demand for it continues to increase. But where does energy come from and where does it go Joshua M. Sneideman examines the many ways in which energy cycles through our planet from the sun to our food chain to electricity and beyond. Lesson by Joshua M. Sneideman animation by Marc Christoforidis"
YouTube Link 2014-06-30T15:11Z 22.4M followers, 1.3M engagements
"The Aztec myth of the unlikeliest sun god - Kay Almere Read Discover the myth of how the weak and pimply Aztec god Nanahuatl sacrificed himself to become Lord Sun and created a new world. -- Nanahuatl weakest of the Aztec gods sickly and covered in pimples had been chosen to form a new world. There had already been four worlds each set in motion by its own Lord Sun and each had been destroyed. For a new world to be created another god had to leap into the great bonfire and become the fifth sun. Will Nanahuatl complete the sacrifice Kay A. Read recounts the myth of the sun. Lesson by Kay"
YouTube Link 2019-05-09T15:00Z 22.4M followers, 2.3M engagements
"What Machiavellian really means - Pazit Cahlon and Alex Gendler Download a free audiobook version of "The Art of War" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed Check out our full book recommendation: https://shop.ed.ted.com/products/the-art-of-war -- From Shakespeares plays to modern TV dramas the unscrupulous schemer for whom the ends always justify the means has become a familiar character type we love to hate. For centuries weve had a single word to describe such characters: Machiavellian. But is it possible that weve been using that word wrong this whole time"
YouTube Link 2019-03-25T15:00Z 22.4M followers, 3.5M engagements
"Why work doesn't happen at work - Jason Fried Jason Fried has a radical theory of working: that the office isn't a good place to do it. In his talk he lays out the main problems (call them the M&Ms) and offers three suggestions to make work work. (Filmed at TEDxMidWest.) Talk by Jason Fried. occupation job work office TED TEDx TEDxMidWest Jason Fried TED-Ed TED Ed TEDEducation occupation job work office TED TEDx TEDxMidWest Jason Fried TED-Ed TED Ed TEDEducation"
YouTube Link 2013-07-10T20:38Z 22.4M followers, 94.6K engagements
"Why do we sweat - John Murnan Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-do-we-sweat-john-murnan There are a number of scenarios that can make us sweatincluding exercise eating spicy foods and nervousness. But how does this substance suddenly materialize and what exactly is its purpose John Murnan explores the science behind sweat. Lesson by John Murnan directed by Dogzilla Studio. Thank you so much to our patrons for your support Without you this video would not be possible. Exal Enrique Cisneros Tuch Ana Maria Vignan Velivela"
YouTube Link 2018-05-15T14:59Z 22.4M followers, 1.4M engagements
"How to live to be 100+ - Dan Buettner To find the path to long life and health Dan Buettner and team study the world's "Blue Zones" communities whose elders live with vim and vigor to record-setting age. In his talk he shares the [--] common diet and lifestyle habits that keep them spry past age [---]. (Filmed at TEDxTC.) Talk by Dan Buettner. diet longevity live to [---] lifestyle grow old blue zone Dan Buettner long life health TEDx TEDxTC TED-Ed TED Ed TEDEducation diet longevity live to [---] lifestyle grow old blue zone Dan Buettner long life health TEDx TEDxTC TED-Ed TED Ed TEDEducation"
YouTube Link 2013-04-17T20:08Z 22.4M followers, 920.1K engagements
"What causes body odor - Mel Rosenberg Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/what-causes-body-odor-mel-rosenberg Most of us dont need more than one whiff to identify that generally unpleasant characteristic smell we call body odor. But its a surprisingly complex phenomenon influenced by our genetic makeup age diet and hygiene. So what is this odor exactly Where does it come from And can we do anything about it Mel Rosenberg dives into the stinky science of body odor. Lesson by Mel Rosenberg animation by Els Decaluwe. Thank you so"
YouTube Link 2018-04-05T15:01Z 22.4M followers, 5M engagements
"Historys deadliest colors - J. V. Maranto View full lesson: http://ed.ted.com/lessons/history-s-deadliest-colors-j-v-maranto When radium was first discovered its luminous green color inspired people to add it into beauty products and jewelry. It wasnt until much later that we realized that radiums harmful effects outweighed its visual benefits. Unfortunately radium isnt the only pigment that historically seemed harmless or useful but turned out to be deadly. J. V. Maranto details historys deadliest colors. Lesson by J. V. Maranto animation by Juan M. Urbina"
YouTube Link 2017-05-22T15:02Z 22.4M followers, 8.5M engagements
"Can you solve the trickster god riddle - Alex Rosenthal Loki has challenged you to a winner-take-all game to end Ragnarok. Can you beat him and win the right to rule the new world -- Ragnarok has been raging for far too long; many gods and heroes have fallen and the rest can barely stand. Loki his bright eyes dimmed by exhaustion asks to meet. He proposes that you and he settle the conflict with a game atop a sacred table engraved with your names. Can you beat the infamous trickster and win the right to rule the new world Alex Rosenthal shows how. Lesson by Alex Rosenthal directed by Igor ori"
YouTube Link 2024-11-19T16:00Z 22.4M followers, 758.4K engagements
"How a concubine became the ruler of Egypt - Abdallah Ewis Get to know the story of Shajar Al-Durr who was born enslaved and rose to become the ruler of Egypt. -- The year is [----] CE. King Louis IX is sailing the Nile threatening to overthrow the sultan and capture Egypt. Egypts commanders ask the sultans wife Shajar Al-Durr to report this news to the injured sultan. But they dont know the truth: the sultan is dead and she is secretly ruling in his stead. Who was this impressive woman Abdallah Ewis details the reign of the Sultana of Egypt. Lesson by Abdallah Ewis directed by Elahe Baloochi."
YouTube Link 2021-09-28T15:00Z 22.4M followers, 1.3M engagements
"The sexual deception of orchids - Anne Gaskett Check out the fascinating ways orchids trick insects into pollinating using sexual deception pheromones and mimicking the shapes of other plants. -- Nearly [-----] species of orchid grow all around the world bearing every imaginable color shape and pattern. Theres a cunning purpose behind these elaborate displays: many orchids trick insects into pollinating sometimes even into having sex with them. How do they deploy these deceptive tactics Anne Gaskett dives into the surprisingly complex ways orchids attract insects. Lesson by Anne Gaskett"
YouTube Link 2019-02-14T16:00Z 22.4M followers, 606.4K engagements
"The method that can "prove" almost anything - James A. Smith Explore the data analysis method known as p-hacking where data is misrepresented as statistically significant. -- In [----] a group of researchers conducted a study designed to find an impossible result. Their study involved real people truthfully reported data and commonplace statistical analyses. So how did they do it The answer lies in a statistical method scientists often use to try to figure out whether their results mean something or if theyre random noise. James A. Smith explores p-hacking. Lesson by James A. Smith directed by"
YouTube Link 2021-08-05T15:00Z 22.4M followers, 897.6K engagements
"Big Data - Tim Smith View full lesson: http://ed.ted.com/lessons/exploration-on-the-big-data-frontier-tim-smith There is a mind-boggling amount of data floating around our society. Physicists at CERN have been pondering how to store and share their ever more massive data for decades - stimulating globalization of the internet along the way whilst 'solving' their big data problem. Tim Smith plots CERN's involvement with big data from fifty years ago to today. Lesson by Tim Smith animation by TED-Ed. Tim Smith CERN TEDx TEDxCERN TED Ed TEDEducation TED-Ed Big Data CERN Big Data Tim Smith CERN"
YouTube Link 2013-05-03T15:06Z 22.4M followers, 617.3K engagements
"A year in the life of one of Earth's weirdest animals - Gilad Bino Trace a year in the life of a platypus and explore how the animals unique adaptations ensure its survival. -- Waddling along the parched Australian earth a female platypus is searching for fresh water. Over the past year a severe drought turned rivers and streams to mere trickles. She barely survived and was unable to reproduce. Could the next year bring a change in luck Gilad Bino traces a year in the life of a platypus and explores the unique adaptations that ensure this ancient species' survival. Lesson by Gilad Bino"
YouTube Link 2021-07-27T14:58Z 22.4M followers, 1.5M engagements
"Together we can save the planet #shorts #earthday Visit Earth School to learn the most impactful steps you and your community can take to preserve our planet: https://ed.ted.com/earthschool #shorts #earthday"
YouTube Link 2023-04-22T13:00Z 22.4M followers, 109K engagements
"What did dogs teach humans about diabetes - Duncan C. Ferguson View full lesson: http://ed.ted.com/lessons/what-did-dogs-teach-humans-about-diabetes-duncan-c-ferguson Diabetes has a history dating back to Ancient Greece. Our treatment of it however is more recent and was originally made possible with the help of man's best friend. Due to physiological traits shared with humans dogs have saved countless lives through the discovery of insulin. Duncan C. Ferguson shares the story of the canine's great contribution to man -- and how we can all reap the medical benefits. Lesson by Duncan C."
YouTube Link 2014-08-28T15:10Z 22.4M followers, 389.7K 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
"How to think about gravity - Jon Bergmann View full lesson here: http://ed.ted.com/lessons/jon-bergmann-how-to-think-about-gravity Did you know that when you fall down the earth falls up to meet you Explore the counterintuitive equation that describes gravity. Lesson by Jon Bergmann animation by TED-Ed. Jon Bergmann gravity earth magnets TED Education TEDEducation TED-Ed TED Ed flipped class outer space Jon Bergmann gravity earth magnets TED Education TEDEducation TED-Ed TED Ed flipped class outer space"
YouTube Link 2012-09-17T15:00Z 22.4M followers, 516.7K engagements
"Football physics: The "impossible" free kick - Erez Garty View full lesson: http://ed.ted.com/lessons/football-physics-the-impossible-free-kick-erez-garty In [----] Brazilian football player Roberto Carlos set up for a [--] meter free kick with no direct line to the goal. Carloss shot sent the ball flying wide of the players but just before going out of bounds it hooked to the left and soared into the net. How did he do it Erez Garty describes the physics behind one of the most magnificent goals in the history of football. Lesson by Erez Garty animation by TOGETHER. Erez Garty TED TED-Ed Physics"
YouTube Link 2015-06-15T15:10Z 22.4M followers, 4.3M engagements
"Myths and misconceptions about evolution - Alex Gendler View full lesson: http://ed.ted.com/lessons/myths-and-misconceptions-about-evolution-alex-gendler How does evolution really work Actually not how some of our common evolutionary metaphors would have us believe. For instance it's species not individual organisms that adapt to produce evolution and genes don't "want" to be passed on -- a gene can't want anything at all Alex Gendler sets the record straight on the finer points of evolution. Lesson by Alex Gendler animation by Giant Animation Studios. TED-Ed TED Ed TEDEducation TED Alex"
YouTube Link 2013-07-08T15:28Z 22.4M followers, 3.2M engagements
"Why are there two tides a day - Elise Cutts Dig into how the Sun and Moon are responsible for the tides on Earth and what this force looks like on other celestial bodies. -- In the 17th century Isaac Newton offered the first gravitational explanation of tides. As he correctly identified tides are choreographed by the motions of celestial objects and Earths tides in particular are mostly driven by the Moon. But the precise nature of this relationship is actually quite nuanced. Elise Cutts explains how the Sun and Moon are responsible for the tides. Lesson by Elise Cutts directed by Rmi Cans"
YouTube Link 2025-04-08T15:00Z 22.4M followers, 569K engagements
"Learning from smallpox: How to eradicate a disease - Julie Garon and Walter A. Orenstein Find out how smallpox became the first (and only) disease to be permanently eradicated through the use of vaccination and isolation to prevent transmission. -- For most of human history we have sought to treat and cure diseases. But only in recent decades did it become possible to ensure that a particular disease never threatens humanity again. Julie Garon and Walter A. Orenstein detail how the story of smallpox the first and only disease to be permanently eliminated shows how disease eradication can"
YouTube Link 2015-03-10T15:06Z 22.4M followers, 500.3K engagements
"What causes bad breath - Mel Rosenberg View full lesson: http://ed.ted.com/lessons/what-causes-bad-breath-mel-rosenberg Halitosis is a curse that has plagued humanity since ancient times. But what causes it and why is it so universally terrifying Mel Rosenberg outlines the basics of bad breath and what you can do when it strikes you. Lesson by Mel Rosenberg animation by Andrew Foerster. TED TED-Ed TED Education TEDx Bad breath Halitosis Microorganisms Bacteria Mouth Hydrogen sulfide Cadaverine Gram-negative bacteria Brushing teeth Floss TED TED-Ed TED Education TEDx Bad breath Halitosis"
YouTube Link 2015-03-31T15:00Z 22.4M followers, 2.9M engagements
"Can you solve the rogue AI riddle - Dan Finkel Practice more problem-solving at https://brilliant.org/TedEd/ Sign up to be emailed the solution to the bonus riddle: https://brilliant.org/TedEdPoisonChocolate/ A hostile artificial intelligence called NIM has taken over the worlds computers. Youre the only person skilled enough to shut it down and youll only have one chance. Can you survive and shut off the artificial intelligence Dan Finkel shows how. Lesson by Dan Finkel directed by Artrake Studio. Thank you so much to our patrons for your support Without you this video would not be possible"
YouTube Link 2018-08-07T15:00Z 22.4M followers, 4.2M engagements
"How do we know what color dinosaurs were - Len Bloch View full lesson: http://ed.ted.com/lessons/how-do-we-know-what-color-dinosaurs-were-len-bloch The microraptor was a four-winged carnivorous dinosaur with iridescent black feathers. But if our information about this dinosaur comes from fossils how can we be certain about its color Len Bloch shows how making sense of the evidence requires careful examination of the fossil and a good understanding of the physics of light and color. Lesson by Len Bloch animation by Paul Newell. Len Bloch Paul Newell TED TED-Ed TED Ed TEDEducation dinosaur"
YouTube Link 2016-01-04T16:16Z 22.4M followers, 931.7K engagements
"Can you freeze your body and come back to life - Shannon N. Tessier Dig into the field of cryobiology and explore the possibility of humans being frozen and preserved for future resurrection. -- In [----] James Bedford had a plan to cheat death. He was the first person to be cryogenically frozen. This process promised to preserve his body until a theoretical future when humanity could cure any illness and essentially reverse death. So is it possible to freeze a human preserve them indefinitely and then thaw them out Shannon N. Tessier explores the challenges of human cryopreservation. Lesson by"
YouTube Link 2023-02-14T16:01Z 22.4M followers, 1.1M 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
"How does alcohol cause blackouts - Shannon Odell Explore how alcohol interacts with your brain and how it can interrupt the brains memory networks leading to blackouts. -- Alcohol has been shown to have strange and selective effects on the brain. Many intoxicated people can perform complex tasks like holding a detailed conversation or navigating a walk home. Yet for those experiencing a blackout the memory of these events is quickly forgotten. So how does alcohol cause these memory lapses Shannon Odell explores how ethanol interrupts the brains processes. Lesson by Shannon Odell directed by"
YouTube Link 2024-02-01T16:01Z 22.4M followers, 1.9M engagements
"If superpowers were real: Super speed - Joy Lin View full lesson: http://ed.ted.com/lessons/if-superpowers-were-real-super-speed-joy-lin What if super speed wasn't just the stuff of epic comic book stories Is it scientifically possible to be super speedy In this series Joy Lin tackles six superpowers and reveals just how scientifically realistic they can be to us mere mortals. Lesson by Joy Lin animation by Cognitive Media. Joy Lin Super speed superhero superpower cognitive media comic comic book TED-Ed TEDEducation TED Ed Joy Lin Super speed superhero superpower cognitive media comic comic"
YouTube Link 2013-06-28T17:08Z 22.4M followers, 1.9M engagements
"Cloudy climate change: How clouds affect Earth's temperature - Jasper Kirkby View full lesson: http://ed.ted.com/lessons/cloudy-climate-change-how-clouds-affect-earth-s-temperature-jasper-kirkby As the Earths surface temperature gradually rises it has become vital for us to predict the rate of this increase with as much precision as possible. In order to do that scientists need to understand more about aerosols and clouds. Jasper Kirkby details an experiment at CERN that aims to do just that. Lesson by Jasper Kirkby animation by Cedric Richer. Jasper Kirkby Cedric Richer CERN climate change"
YouTube Link 2014-09-25T15:53Z 22.4M followers, 213.5K engagements
"Watch this if you're scared of snakes - Andrew Whitworth Travel around the world to visit some of natures most incredible snakes: vipers and find out which are the most dangerous. -- As of [----] there are [---] species of viper worldwide. The name comes from the term viviparity which means giving birth to live young. Vipers are often highly venomous with two hollow extra long fangs that unfold into imposing weapons when the viper prepares to strike. So which are the most dangerous Andrew Whitworth travels around the world to visit some of natures most incredible snakes. Lesson by Andrew"
YouTube Link 2022-04-07T15:00Z 22.4M followers, 1.5M engagements
"The threat of invasive species - Jennifer Klos View full lesson: http://ed.ted.com/lessons/the-threat-of-invasive-species-jennifer-klos Massive vines that blanket the southern United States climbing high as they uproot trees and swallow buildings. A ravenous snake that is capable of devouring an alligator. Rabbit populations that eat themselves into starvation. These arent horror movie concepts theyre real stories. But how could such situations exist in nature Jennifer Klos gives the facts on invasive species. Lesson by Jennifer Klos animation by Globizco. Jennifer Klos Globizco Invasive"
YouTube Link 2016-05-03T15:02Z 22.4M followers, 2.5M engagements
"Is there a difference between art and craft - Laura Morelli View full lesson: http://ed.ted.com/lessons/is-there-a-difference-between-art-and-craft-laura-morelli Was da Vinci an artistic genius Sure but he was also born in the right place at the right time -- pre-Renaissance Western artists got little individual credit for their work. And in many non-Western cultures traditional forms have always been prized over innovation. So where do we get our notions of art vs. craft Laura Morelli traces the history of how we assign value to the visual arts. Lesson by Laura Morelli animation by Sandro"
YouTube Link 2014-03-06T16:00Z 22.4M followers, 773.1K engagements
"Can you solve the riddle and escape Hades - Dan Finkel Practice more problem-solving at https://brilliant.org/TedEd/ -- The underworld is overcrowded and Zeus has ordered Hades to let some spirits out. Hades arranges all the souls of the dead in a line before Cerberus. When one of his three heads bites down on the soul in front of it theyll get returned to the land of the living. Anyone to the left must stay in Hades forever. Can you pick the right spot and escape the underworld Dan Finkel shows how. Lesson by Dan Finkel directed by Artrake Studio. Animator's website: https://www.artrake.com"
YouTube Link 2020-10-13T15:00Z 22.4M followers, 3.3M engagements
"Situational irony: The opposite of what you think - Christopher Warner View full lesson: http://ed.ted.com/lessons/situational-irony-the-opposite-of-what-you-think-christopher-warner Leaps and bounds separate that which is ironic and that which many people simply say is ironic. Christopher Warner wants to set the record straight: Something is ironic if and only if it is the exact opposite of what you would expect. Lesson by Christopher Warner animation by Ben Pearce. TEDEducation TED-Ed TED Ed Christopher Warner Ben Pearce irony situational irony ironic isn't it ironic TEDEducation TED-Ed TED"
YouTube Link 2012-12-13T16:59Z 22.4M followers, 2.7M engagements
"How does your body process medicine - Cline Valry View full lesson: http://ed.ted.com/lessons/how-does-your-body-process-medicine-celine-valery Have you ever wondered what happens to a painkiller like ibuprofen after you swallow it Medicine that slides down your throat can help treat a headache a sore back or a throbbing sprained ankle. But how does it get where it needs to go in the first place Cline Valry explains how your body processes medicine. Lesson by Cline Valry animation by Daniel Gray"
YouTube Link 2017-05-15T15:01Z 22.4M followers, 4.8M engagements
"How the COVID-19 vaccines were created so quickly - Kaitlyn Sadtler and Elizabeth Wayne Discover how mRNA vaccines help your immune system fight viral infections and how this decades-old technology was used to create COVID-19 vaccines. -- In the 20th century most vaccines took over a decade to research test and produce. But the vaccines for COVID-19 were cleared for emergency use in less than [--] months. The secret behind this speed is a medical technology thats been developing for decades: the mRNA vaccine. So how do these revolutionary vaccines work Kaitlyn Sadtler and Elizabeth Wayne dig"
YouTube Link 2021-08-17T15:03Z 22.4M followers, 1.3M engagements
"Artemisia Gentileschi: The woman behind the paintings - Allison Leigh Get to know the story of Artemisia Gentileschi one of the most accomplished artists of the 17th century. -- The biblical story of the heroine Judith slaying the brutal Holofernes is featured in countless works of art including the Sistine Chapel. But the most iconic depiction was painted by an artist who tackled this ambitious scene when she was just [--] years old. Her name was Artemisia Gentileschi. So who was Artemisia and what sets her depiction apart from the rest Allison Leigh investigates. Lesson by Allison Leigh"
YouTube Link 2022-06-16T15:00Z 22.4M followers, 542.3K engagements
"Secrets of the X chromosome - Robin Ball View full lesson: http://ed.ted.com/lessons/secrets-of-the-x-chromosome-robin-ball The sequence of DNA that we inherit from our parents encodes directions for making our cells and giving us specific traits. Identical twins have the same DNA sequence so how can one twin end up with a genetic disorder while the other twin does not Robin Ball explains how the secret lies in X chromosome inactivation. Lesson by Robin Ball animation by Anton Trofimov. TED TED-Ed TED Education TED Ed Robin Ball Chromosome DNA genes genetics X chromosome Y chromosome gene"
YouTube Link 2017-04-18T15:03Z 22.4M followers, 1.3M engagements
"How tall can a tree grow - Valentin Hammoudi What makes a tree grow tall And do trees ever stop growing Explore how photosynthesis and gravity can affect and limit the height of trees. -- Reaching heights of over [---] meters Californian sequoias tower over Earths other [-----] tree species. But even these behemoths seem to have their limits: no sequoia on record has been able to grow taller than [---] meters. So what exactly is stopping these trees from growing taller forever Valentin Hammoudi investigates why trees have limited heights. Lesson by Valentin Hammoudi directed by Doug Alberts. Sign"
YouTube Link 2019-03-14T15:01Z 22.4M followers, 1.4M engagements
"The journey to Pluto the farthest world ever explored - Alan Stern Check out Alan Stern's "Chasing New Horizons": https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/chasing-new-horizons View full lesson: https://ed.ted.com/lessons/the-journey-to-pluto-the-farthest-world-ever-explored-alan-stern As of [----] mankind had successfully sent craft to every known planet in the solar system except one: Pluto. Located in an mysterious region called the Kuiper Belt Pluto is a scientific goldmine and could hold clues to the formation of our solar system. Alan Stern explains how"
YouTube Link 2018-05-17T15:03Z 22.4M followers, 3.5M engagements
"How to detect a supernova - Samantha Kuula View full lesson: http://ed.ted.com/lessons/how-to-detect-a-supernova-samantha-kuula Just now somewhere in the universe a star exploded. In fact a supernova occurs every second or so in the observable universe. Yet weve never actually been able to watch a supernova in its first violent moments. Is early detection possible Samantha Kuula details the science behind an early supernova warning system. Lesson by Samantha Kuula animation by Nick Hilditch. TED TED-Ed TED Education TEDx Supernova Samantha Kuula Nick Hilditch Star Astronomy Light Speed of"
YouTube Link 2015-06-09T15:01Z 22.4M followers, 217.4K engagements
"The infamous overpopulation bet: Simon vs. Ehrlich - Soraya Field Fiorio Discover an infamous bet between two professors which sought to predict whether the earth would run out of resources due to a growing human population. -- In [----] Paul Ehrlich and Julian Simon bet $1000 on a question with stakes that couldnt be higher: would the earth run out of resources to sustain a growing human population They bet $200 on the price of five metals. If the price of a metal decreased or held steady over the next decade Simon won. If the price increased Ehrlich won. So what happened Soraya Field Fiorio"
YouTube Link 2021-08-31T15:01Z 22.4M followers, 623.3K engagements
"Why do animals form swarms - Maria R. D'Orsogna Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-do-animals-form-swarms-maria-r-d-orsogna When many individual organisms come together and move as one entity thats a swarm. From a handful of birds to billions of insects swarms can be almost any size. They have no leader and members interact only with their neighbors or through indirect cues. Members follow simple rules: travel in the same direction as those around you stay close and avoid collisions. Maria R. DOrsogna shares why. Lesson"
YouTube Link 2017-12-18T16:02Z 22.4M followers, 339.9K engagements
"How memories form and how we lose them - Catharine Young View full lesson: http://ed.ted.com/lessons/how-memories-form-and-how-we-lose-them-catharine-young Think back to a really vivid memory. Got it Now try to remember what you had for lunch three weeks ago. That second memory probably isnt as strongbut why not Why do we remember some things and not others And why do memories eventually fade Catharine Young gives the basics on memory and memory loss. Lesson by Catharine Young animation by Patrick Smith. Catharine Young Patrick Smith TED TED-Ed TED Education TEDx TED Animation Memory loss"
YouTube Link 2015-09-24T15:13Z 22.4M followers, 3.2M engagements
"The tragic myth of the Sun God's son - Iseult Gillespie Dive into the Greek myth of Helios and Phaethon where the Sun God allows his mortal son to drive his chariot for a day. -- Every morning Helios unleashed his golden chariot and set out across the sky. As the Sun God transformed dawn into day he thought of his son Phaethon below. To prove to Phaethon that he was truly his father Helios decided to grant him anything he wanted. Unfortunately what Phaethon wanted was to drive Helios chariot for a day. Iseult Gillespie shares the tragic myth of the charioteer. Lesson by Iseult Gillespie"
YouTube Link 2022-01-18T16:02Z 22.4M followers, 2.4M 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, 804.6K engagements
"What is dyslexia - Kelli Sandman-Hurley View full lesson: http://ed.ted.com/lessons/what-is-dyslexia-kelli-sandman-hurley Dyslexia affects up to [--] in [--] people but the experience of dyslexia isn't always the same. This difficulty in processing language exists along a spectrum -- one that doesn't necessarily fit with labels like "normal" and "defective." Kelli Sandman-Hurley urges us to think again about dyslexic brain function and to celebrate the neurodiversity of the human brain. Lesson by Kelli Sandman-Hurley animation by Marc Christoforidis. TED TED Ed TED-Ed TEDEducation Marc"
YouTube Link 2013-07-15T15:21Z 22.4M followers, 7.1M engagements
"The law of conservation of mass - Todd Ramsey View full lesson: http://ed.ted.com/lessons/the-law-of-conservation-of-mass-todd-ramsey Everything in our universe has mass from the smallest atom to the largest star. But the amount of mass has remained constant throughout existence even during the birth and death of stars planets and you. How can the universe grow while maintaining its mass Todd Ramsey answers that question by unravelling the law of conservation of mass. Lesson by Todd Ramsey animation by Vegso/Banyai. TED TED Ed TEDx TED-Ed Law of Conservation of Mass Matter Energy Mass System"
YouTube Link 2015-02-26T16:03Z 22.4M followers, 2.3M engagements
"The Atlantic slave trade: What too few textbooks told you - Anthony Hazard Check out our Patreon page: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/the-atlantic-slave-trade-what-your-textbook-never-told-you-anthony-hazard Slavery has occurred in many forms throughout the world but the Atlantic slave trade -- which forcibly brought more than [--] million Africans to the Americas -- stands out for both its global scale and its lasting legacy. Anthony Hazard discusses the historical economic and personal impact of this massive historical injustice. Lesson by Anthony"
YouTube Link 2014-12-22T16:13Z 22.4M followers, 12.3M engagements
"How does your smartphone know your location - Wilton L. Virgo View full lesson: http://ed.ted.com/lessons/how-does-your-smartphone-know-your-location-wilton-l-virgo GPS location apps on a smartphone can be very handy when mapping a travel route or finding nearby events. But how does your smartphone know where you are Wilton L. Virgo explains how the answer lies [-----] miles over your head in an orbiting satellite that keeps time to the beat of an atomic clock powered by quantum mechanics. Lesson by Wilton L. Virgo animation by Nick Hilditch. TED TEDEd TED-Ed TEDx GPS Navigation Directions Maps"
YouTube Link 2015-01-29T16:09Z 22.4M followers, 893.2K engagements
"Why the metric system matters - Matt Anticole View full lesson: http://ed.ted.com/lessons/why-the-metric-system-matters-matt-anticole For the majority of recorded human history units like the weight of a grain or the length of a hand werent exact and varied from place to place. Now consistent measurements are such an integral part of our daily lives that its hard to appreciate what a major accomplishment for humanity theyve been. Matt Anticole traces the wild history of the metric system. Lesson by Matt Anticole animation by Globizco. metric system why don't we use the metic system units of"
YouTube Link 2016-07-21T15:01Z 22.4M followers, 6.6M engagements
"What happened to antimatter - Rolf Landua View full lesson: http://ed.ted.com/lessons/what-happened-to-antimatter-rolf-landua Particles come in pairs which is why there should be an equal amount of matter and antimatter in the universe. Yet scientists have not been able to detect any in the visible universe. Where is this missing antimatter CERN scientist Rolf Landua returns to the seconds after the Big Bang to explain the disparity that allows humans to exist today. Lesson by Rolf Landua animation by TED-Ed. Rolf Landua Franz Palomares TED-Ed TED Ed TEDEducation big bang missing antimatter"
YouTube Link 2013-05-03T18:29Z 22.4M followers, 1.6M engagements
"Can you solve the birthday cake riddle - Marie Brodsky Practice more problem-solving at https://brilliant.org/TedEd -- Your friends birthday is tomorrow and hes turning well youve forgotten. A ginormous cake has been prepared and your job is to sculpt his age as the chocolate centerpiece. The birthday boy is a giant and youre afraid that if your forgetfulness becomes known youll become part of the feast. Can you figure out your friends age before the party Marie Brodsky shows how. Lesson by Marie Brodsky directed by Igor Coric Artrake Studio. Support Our Non-Profit Mission"
YouTube Link 2022-01-20T16:00Z 22.4M followers, 2.2M engagements
"Why is biodiversity so important - Kim Preshoff View full lesson: http://ed.ted.com/lessons/why-is-biodiversity-so-important-kim-preshoff Our planets diverse thriving ecosystems may seem like permanent fixtures but theyre actually vulnerable to collapse. Jungles can become deserts and reefs can become lifeless rocks. What makes one ecosystem strong and another weak in the face of change Kim Preshoff details why the answer to a large extent is biodiversity. Lesson by Kim Preshoff animation by TED-Ed. TED TED-Ed TED Education TEDx Kim Preshoff Biodiversity Ecosystem diversity Species diversity"
YouTube Link 2015-04-20T15:04Z 22.4M followers, 4.6M engagements
"The coin flip conundrum - Po-Shen Loh Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-coin-flip-conundrum-po-shen-loh When you flip a coin to make a decision there's an equal chance of getting heads and tails. What if you flipped two coins repeatedly so that one option would win as soon as two heads showed up in a row on that coin and one option would win as soon as heads was immediately followed by tails on the other Would each option still have an equal chance Po-Shen Loh describes the counterintuitive math behind this question."
YouTube Link 2018-02-15T15:56Z 22.4M followers, 694.3K engagements
"How do vitamins work - Ginnie Trinh Nguyen View full lesson: http://ed.ted.com/lessons/what-s-the-value-of-vitamins-ginnie-trinh-nguyen Vitamins are the building blocks that keep our bodies running; they help build muscle and bone capture energy heal wounds and more. But if our body doesnt create vitamins how do they get into our system Ginnie Trinh Nguyen describes what vitamins are how they get into our bodies -- and why they are so crucial. Lesson by Ginnie Trinh Nguyen animation by The Moving Company Animation Studio. Ginnie Trinh Nguyen The Moving Company Animation Studio vitamins health"
YouTube Link 2014-10-06T15:18Z 22.4M followers, 6.8M engagements
"This is Sparta: Fierce warriors of the ancient world - Craig Zimmer View full lesson: http://ed.ted.com/lessons/this-is-sparta-fierce-warriors-of-the-ancient-world-craig-zimmer In ancient Greece violent internal conflict between border neighbors and war with foreign invaders was a way of life and Greeks were considered premier warriors. Sparta specifically had an army of the most feared warriors in the ancient world. What were they doing to produce such fierce soldiers Craig Zimmer shares some of the lessons that might have been taught at Spartan school. Lesson by Craig Zimmer animation by"
YouTube Link 2016-03-08T16:07Z 22.4M followers, 4.2M engagements
"Light seconds light years light centuries: How to measure extreme distances - Yuan-Sen Ting View full lesson: http://ed.ted.com/lessons/how-do-we-measure-distances-in-space-yuan-sen-ting When we look at the sky we have a flat two-dimensional view. So how do astronomers figure the distances of stars and galaxies from Earth Yuan-Sen Ting shows us how trigonometric parallaxes standard candles and more help us determine the distance of objects several billion light years away from Earth. Lesson by Yuan-Sen Ting animation by TED-Ed. Yuan-Sen Ting astronomy Jeremiah Dickey space how to measure"
YouTube Link 2014-10-09T15:08Z 22.4M followers, 3.7M engagements
"Population pyramids: Powerful predictors of the future - Kim Preshoff View full lesson: http://ed.ted.com/lessons/population-pyramids-powerful-predictors-of-the-future-kim-preshoff Population statistics are like crystal balls -- when examined closely they can help predict a country's future (and give important clues about the past). Kim Preshoff explains how using a visual tool called a population pyramid helps policymakers and social scientists make sense of the statistics using three different countries' pyramids as examples. Lesson by Kim Preshoff animation by TED-Ed. Kim Preshoff Franz"
YouTube Link 2014-05-05T15:12Z 22.4M followers, 2.9M engagements
"Can 100% renewable energy power the world - Federico Rosei and Renzo Rosei Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/can-100-renewable-energy-power-the-world-federico-rosei-and-renzo-rosei Every year the world uses [--] billion barrels of oil. This massive scale of fossil fuel dependence pollutes the earth and it wont last forever. On the other hand we have abundant sun water and wind which are all renewable energy sources. So why dont we exchange our fossil fuel dependence for an existence based only on renewables Federico Rosei and"
YouTube Link 2017-12-07T15:58Z 22.4M followers, 2.8M engagements
"Should we be looking for life elsewhere in the universe - Aomawa Shields View full lesson: http://ed.ted.com/lessons/should-we-be-looking-for-life-elsewhere-in-the-universe-aomawa-shields As the number of potentially habitable planets that astronomers find continues to rise we seem ever closer to answering the question Are we alone in the universe But should we be looking for life elsewhere If we were to find life in one of these worlds should we try to contact any beings who may live there Is that wise Aomawa Shields navigates the murky waters of pursuing curiosity. Lesson by Aomawa Shields"
YouTube Link 2016-07-25T15:06Z 22.4M followers, 646.7K engagements
"The rise and fall of the Inca Empire - Gordon McEwan Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-rise-and-fall-of-the-inca-empire-gordon-mcewan It was the western hemisphere's largest empire ever with a population of nearly [--] million subjects. Yet within [---] years of its rise in the fifteenth century the Inca Empire would be no more. What happened Gordon McEwan details the rise and fall of the Inca Empire. Lesson by Gordon McEwan directed by TED-Ed. Animated by Emma Carr - http://emma-carre.tumblr.com/ Thank you so much to our"
YouTube Link 2018-02-12T15:59Z 22.4M followers, 4.4M engagements
"How your muscular system works - Emma Bryce Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-your-muscular-system-works-emma-bryce Each time you take a step [---] muscles work in unison to lift your foot propel it forward and set it down. Its just one of the many thousands of tasks performed by the muscular system: this network of over [---] muscles covers the body and is the reason we can blink smile run jump and stand upright. So how does it work Emma Bryce takes you into the body to find out. Lesson by Emma Bryce directed by Viviane"
YouTube Link 2017-10-26T15:00Z 22.4M followers, 3.1M engagements
"How tsunamis work - Alex Gendler View full lesson: http://ed.ted.com/lessons/how-tsunamis-work-alex-gendler The immense swell of a tsunami can grow up to [---] feet hitting speeds over [---] mph -- a treacherous combination for anyone or anything in its path. Alex Gendler details the causes of these towering terrors and explains how scientists are seeking to reduce their destruction in the future. Lesson by Alex Gendler animation by Augenblick Studios. Alex Gendler Augenblick tsunami earthquake disaster ocean global warming ocean storm sea TED TED-Ed TED Ed TEDEducation Alex Gendler Augenblick"
YouTube Link 2014-04-24T15:13Z 22.4M followers, 9.1M 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
"Why was the Rosetta Stone so important - Franziska Naether Dig into how scholars decoded the writing on the Rosetta Stone and how this helped them understand ancient hieroglyphs. -- For centuries scholars puzzled over the hieroglyphs they found carved onto ancient Egyptian ruins tablets and papyri. But in [----] a unique discovery would finally help unlock their meaning. It was a stone inscribed with three different texts: Egyptian Hieroglyphs Demotic Egyptian and Ancient Greek. Franziska Naether shares how scholars decoded the ancient message of the Rosetta Stone. Lesson by Franziska Naether"
YouTube Link 2024-03-14T15:01Z 22.4M followers, 796.9K 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, 872.4K engagements
"Why certain naturally occurring wildfires are necessary - Jim Schulz View full lesson: http://ed.ted.com/lessons/why-wildfires-are-necessary-jim-schulz Our early ancestors relied on lightning to cause forest fires from which they could collect coals and burning sticks to help them cook food and clear land. Yet it wasnt just humans who benefited from these natural phenomena. Even as they destroyed trees fires also helped the forests themselves. Jim Schulz outlines the benefits of wildfire. Lesson by Jim Schulz animation by Provincia Studio. Jim Schulz Provincia Studio wildfire forest fire"
YouTube Link 2016-02-02T15:59Z 22.4M followers, 1.7M 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, 146.7K engagements
"The dark history of bananas - John Soluri Explore the history of the notorious United Fruit Company and how its influence over the banana industry impacted Central America. -- In December [----] the exiled former leader Manuel Bonilla boarded a borrowed yacht and set sail for Honduras in hopes of reclaiming power by whatever means necessary. Bonilla had a powerful backer: the notorious organization known throughout Latin America as El Pulpo. It was a U.S. corporation trafficking in of all things bananas. John Soluri investigates the United Fruit Company. Lesson by John Soluri directed by Sofia"
YouTube Link 2020-11-02T16:00Z 22.4M followers, 3.3M engagements
"Urbanization and the future of cities - Vance Kite View full lesson: http://ed.ted.com/lessons/urbanization-and-the-future-of-cities-vance-kite About [-----] years ago hunter-gatherers aided by rudimentary agriculture moved to semi-permanent villages and never looked back. With further developments came food surpluses leading to commerce specialization and many years later with the Industrial Revolution the modern city. Vance Kite plots our urban past and how we can expect future cities to adapt to our growing populations. Lesson by Vance Kite animation by ATMG Studio. Vance Kite ATMG Studio"
YouTube Link 2013-09-12T15:14Z 22.4M followers, 2.9M engagements
"Networking for the networking averse - Lisa Green Chau View full lesson: http://ed.ted.com/lessons/networking-for-the-networking-averse-lisa-green-chau Networking can seem so hard -- but not if you have the right advice. Try taking advantage of weak ties; you never know what friend of a friend of a friend can aid you in your dreams. Lisa Green Chau outlines how being proactive and always saying yes can lead to future opportunities. Lesson by Lisa Green Chau animation by Cinematic Sweden. job search network networking how to find job an internship internship weak tie strong social networking"
YouTube Link 2013-04-03T15:15Z 22.4M followers, 227K engagements
"History vs. Andrew Jackson - James Fester View full lesson: http://ed.ted.com/lessons/history-vs-andrew-jackson-james-fester Andrew Jackson was both beloved and loathed during his presidency. In this imaginary courtroom you get to be the jury considering and weighing Jackson's part in the spoils system economic depression and the Indian Removal Act as well as his patriotism and the pressures of the presidency. James Fester explores how time shapes our relationship to controversial historical figures. Lesson by James Fester animation by Brett Underhill. James Fester Brett Underhill history"
YouTube Link 2014-01-21T16:08Z 22.4M followers, 3.4M engagements
"What's so special about Viking ships - Jan Bill Explore the history and technology of Viking longships which helped the Scandinavians conquer trade routes and new territories. -- As the Roman Empire flourished Scandinavians had small settlements and no central government. Yet by the 11th century they had spread far from Scandinavia gaining control of trade routes throughout Europe conquering kingdoms as far as Africa and building outposts in North America. What was the secret to their success Jan Bill dives into the history of the formidable Viking longship. Lesson by Jan Bill directed by"
YouTube Link 2020-01-21T16:01Z 22.4M followers, 1.2M engagements
"Building a museum of museums on the web - Amit Sood View full lesson: http://ed.ted.com/lessons/building-a-museum-of-museums-on-the-web-amit-sood Imagine being able to see artwork in the greatest museums around the world without leaving your chair. Driven by his passion for art Amit Sood tells the story of how he developed Art Project to let people do just that. Talk by Amit Sood. art art history museum Art Project Amit Sood art online see art paintings TED TED Talk TED-Ed TEDEducation Ed art art history museum Art Project Amit Sood art online see art paintings TED TED Talk TED-Ed"
YouTube Link 2013-03-22T20:16Z 22.4M followers, 63.1K engagements
"How good are you at calculating risk - Gerd Gigerenzer How can we use statistics to evaluate risk Dig into the difference between relative risk and absolute risk and how each is used in the news. -- A new drug reduces the risk of heart attacks by 40%. Shark attacks are up by a factor of two. Drinking a liter of soda per day doubles your chance of developing cancer. These are all examples of a common way risk is presented in news articles and can often be misleading. So how can we better evaluate risk Gerd Gigerenzer explores the difference between relative and absolute risk. Lesson by Gerd"
YouTube Link 2020-02-25T16:00Z 22.4M followers, 671.3K engagements
"How to create cleaner coal - Emma Bryce View full lesson here: http://ed.ted.com/lessons/how-to-create-cleaner-coal-emma-bryce It takes a lot of fuel to heat our homes preserve our food and power our gadgets. And for [--] percent of the world cheap plentiful coal gets the job done. But coal also releases pollutants into the air causing environmental damage like acid rain and serious health problems. Can we create a cleaner version of coal Emma Bryce details the three ways we might strip coal of its foul forces. Lesson by Emma Bryce animation by Artrake Studio. TED-Ed TED TEDx TED Education Coal"
YouTube Link 2014-12-09T16:05Z 22.4M followers, 538.3K engagements
"The hidden life of Rosa Parks - Riche D. Richardson Learn about the life of civil rights activist Rosa Parks her work with the NAACP bus boycotts and her lifelong fight against racial inequality. -- Throughout her life Rosa Parks repeatedly challenged racial violence and the prejudiced systems protecting its perpetrators. Her refusal to move to the back of a segregated bus ignited a boycott that lasted [---] days and helped transform civil rights activism into a national movement. But this work came at an enormous risk and a personal price. Rich D. Richardson details the life of Rosa Parks."
YouTube Link 2020-04-13T15:00Z 22.4M followers, 620.3K engagements
"How do sinkholes swallow entire houses and cities - Elise Cutts Explore the science of sinkholes how they commonly form and what human activities can also trigger them. -- It was a rainy December morning in San Francisco when the Earth opened up. The ground suddenly fell away into a 12-meter-deep sinkhole that engulfed a garage part of a street and a multi-million-dollar mansion. Sinkholes can seem to strike out of nowhere but theyre more common than people often think. So how do they form Elise Cutts details whats happening just below your feet. Lesson by Elise Cutts directed by Evandro"
YouTube Link 2025-09-18T15:04Z 22.4M followers, 202.5K engagements
"A day in the life of a teenage samurai - Constantine N. Vaporis Follow young samurai in training Mori Banshir as he studies the twin paths of literary learning and the martial arts. -- The year is [----] in the castle town of Kchi Japan. Its just after sunrise and 16-year-old Mori Banshir is already hard at work practicing drills with his long sword. He is an ambitious samurai in training and today he must impress his teachers more than ever so he can travel to the capital city for martial and scholarly studies. Constantine N. Vaporis outlines a day in the life of a samurai. Lesson by"
YouTube Link 2020-06-22T15:00Z 22.4M followers, 1.6M engagements
"The 2400-year search for the atom - Theresa Doud View full lesson: http://ed.ted.com/lessons/the-2-400-year-search-for-the-atom-theresa-doud How do we know what matter is made of The quest for the atom has been a long one beginning [----] years ago with the work of a Greek philosopher and later continued by a Quaker and a few Nobel Prize-winning scientists. Theresa Doud details the history of atomic theory. Lesson by Theresa Doud animation by TED-Ed. TED-ED TEDEd TEDx TED Greek Philosophy Science Atomic theory Chemistry Physics Particles Atoms Molecules John Dalton Ernest Rutherford J. J."
YouTube Link 2014-12-08T16:08Z 22.4M followers, 3.2M engagements
"Just How Small is an Atom Just how small are atoms And what's inside them The answers turn out to be astounding even for those who think they know. This fast-paced animation uses spectacular metaphors (imagine a blueberry the size of a football stadium) to give a visceral sense of the building blocks that make our world. Lesson by Jonathan Bergmann animation by Cognitive Media. Atom Physical Science Chemistry Making the Invisible Visible Jonathan Bergmann Andrew Park Cognitive Media Nucleus Electron Proton Neutron TED TED-Ed TED Education Atom Physical Science Chemistry Making the Invisible"
YouTube Link 2012-04-16T15:13Z 22.4M followers, 8M engagements
"What causes antibiotic resistance - Kevin Wu Explore how bacteria become resistant to antibiotics and turn into superbugs and what scientists are doing to stop it. -- Right now you are inhabited by trillions of microorganisms. Many of these bacteria are harmless (or even helpful) but there are a few strains of super bacteria that are pretty nasty -- and theyre growing resistant to our antibiotics. Why is this happening Kevin Wu details the evolution of this problem that presents a big challenge for the future of medicine. Lesson by Kevin Wu animation by Brett Underhill. Sign up for our"
YouTube Link 2014-08-07T15:06Z 22.4M followers, 4.2M engagements
"How does whale communication work - David Gruber and Shane Gero Explore how sperm whales use an array of complex vocalizations to communicate with each other hunt and assess their surroundings. -- Soon after whaling ships began operating in the North Pacific an interesting trend emerged. Within just a few years whalers saw a 58% drop in their successful strikes. Sperm whales had suddenly become harder to kill they had begun fleeing the boats instead of forming their usual defensive circles. Were whales communicating new strategies to each other David Gruber and Shane Gero investigate. Lesson"
YouTube Link 2023-12-14T16:00Z 22.4M followers, 303.3K engagements
"How close are we to eradicating HIV - Philip A. Chan Can we end HIV Find out how medications like PrEP are helping to prevent the transmission and spread of HIV and possibly leading to its eradication. -- The world is getting closer to achieving one of the most important public health goals of our time: eradicating HIV. And to do this we wont even have to cure the disease. We simply have to stop HIV from being transmitted until eventually it fizzles out. Philip A. Chan explores the preventive strategies helping us tackle HIV and the possibility of ending the epidemic. Lesson by Philip A. Chan"
YouTube Link 2019-06-10T15:10Z 22.4M followers, 908.7K 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
"How the bra was invented Moments of Vision [--] - Jessica Oreck View full lesson: http://ed.ted.com/lessons/how-the-bra-was-invented-moments-of-vision-1-jessica-oreck Lingerie has existed for hundreds of years but it wasn't until the 1920s that a standardized cup sizing system was invented that changed underwear forever. In the first installment of our Moments of Vision series Jessica Oreck traces the uplifting origin of the modern brassiere. Lesson and animation by Jessica Oreck. Jessica Oreck Bra origin of the bra inventions in a moment of vision innovation design women's rights corsetry Ida"
YouTube Link 2016-07-12T15:07Z 22.4M followers, 737.6K engagements
"Inside your computer - Bettina Bair View full lesson: http://ed.ted.com/lessons/inside-your-computer-bettina-bair How does a computer work The critical components of a computer are the peripherals (including the mouse) the input/output subsystem (which controls what and how much information comes in and out) and the central processing unit (the brains) as well as human-written programs and memory. Bettina Bair walks us through the steps your computer takes with every click of the mouse. Lesson by Bettina Bair animation by Flaming Medusa Studios. Bettina Bair computer computer architecture how"
YouTube Link 2013-07-01T15:14Z 22.4M followers, 3.3M 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
"Why should you read Virginia Woolf - Iseult Gillespie Download a free audiobook and support TED-Ed's nonprofit mission: http://www.audible.com/teded Check out Virginia Woolf's "A Room of One's Own": https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/a-room-of-ones-own View full lesson: https://ed.ted.com/lessons/why-should-you-read-virginia-woolf-iseult-gillespie How best can we understand the internal experience of alienation In both her essays and her fiction Virginia Woolf shapes the slippery nature of subjective experience into words while her characters frequently"
YouTube Link 2017-10-05T15:00Z 22.4M followers, 3.2M engagements
"Who's at risk for colon cancer - Amit H. Sachdev and Frank G. Gress Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/who-s-at-risk-for-colon-cancer-amit-h-sachdev-and-frank-g-gress Colon cancer is one of the leading causes of cancer and cancer death in the world. It is also one of the most preventable types of cancer as it often takes about ten years for a small polyp to grow and develop into a cancerous one. So whos at risk And how can people be screened Amit H. Sachdev and Frank G. Gress share some of the best ways to prevent colon"
YouTube Link 2018-01-04T16:00Z 22.4M followers, 945K engagements
"Which is stronger: Glue or tape - Elizabeth Cox Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/which-is-stronger-glue-or-tape-elizabeth-cox The oldest glue in the world is over [----] years old and comes from a cave near the Dead Sea. Today we have enough types of tape and glue to build and repair almost anything. But what gives glue and tape their stickiness And is one stronger than the other Elizabeth Cox explores the world of adhesives. Lesson by Elizabeth Cox animation by Sinbad Richardson. Thank you so much to our patrons for your"
YouTube Link 2018-04-30T15:12Z 22.4M followers, 15M engagements
"Are spotty fruits and vegetables safe to eat - Elizabeth Brauer View full lesson: http://ed.ted.com/lessons/are-spotty-fruits-and-vegetables-safe-to-eat-elizabeth-brauer In [----] [--] billion dollars worth of fruits and vegetables were wasted by American retailers and shoppers in part because of cosmetic problems and perceived spoilage. But what are these spots anyway and are they okay to eat Elizabeth Brauer explains why you may not need to be afraid of picking up your grocery stores funky-looking fruit. Lesson by Elizabeth Brauer animation by TED-Ed. Elizabeth Brauer Biljana Labovic TED-Ed"
YouTube Link 2016-08-22T15:02Z 22.4M followers, 825.4K engagements
"How to biohack your cells to fight cancer - Greg Foot Check out the science of biohacking where biologists go into a patients genetic code and reprogram their immune system to recognize and fight cancer cells. -- The human body is made up of about [--] trillion cells that carry a code which has been duplicated over and over for billions of years - with varying degrees of accuracy. So what happens when the system breaks down and the machinery turns on itself leading to cancer Greg Foot dives into the science of how biologists are biohacking the human body to try to fix the seemingly unfixable."
YouTube Link 2019-04-09T15:00Z 22.4M followers, 1.4M engagements
"Are we running out of clean water - Balsher Singh Sidhu Find out how students can share their ideas as TED Talks here: http://bit.ly/2RCMFgM View full lesson: https://ed.ted.com/lessons/are-we-running-out-of-clean-water-balsher-singh-sidhu Despite water covering 71% of the planets surface more than half the worlds population endures extreme water scarcity for at least one month a year. Current estimates predict that by [----] up to [--] more countries could be experiencing water shortages. These statistics raise a startling question: is the Earth running out of clean water Balsher Singh Sidhu"
YouTube Link 2018-12-06T16:00Z 22.4M followers, 1.1M engagements
"What is dust made of - Michael Marder Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/what-is-dust-made-of-michael-marder Less than a tenth the size of an ant a dust mites whole world is contained in the dusty film under a bed or in a forgotten corner. This realm is right under our noses but from our perspective the tiny specks of brilliant color blend together into a nondescript grey. What are these colorful microscopic particles Michael Marder explores the science of dust. Lesson by Michael Marder animation by Mette Ilene Holmriis."
YouTube Link 2018-05-24T15:00Z 22.4M followers, 1.1M engagements
"How do nuclear power plants work - M. V. Ramana and Sajan Saini View full lesson: http://ed.ted.com/lessons/what-are-the-challenges-of-nuclear-power-m-v-ramana-and-sajan-saini Our ability to mine great amounts of energy from uranium nuclei has led some to bill nuclear power as a plentiful utopian source of electricity. But rather than dominate the global electricity market nuclear power has declined from a high of 18% in [----] to 11% today. What happened to the great promise of this technology M.V. Ramana and Sajan Saini detail the challenges of nuclear power. Lesson by M. V. Ramana and Sajan"
YouTube Link 2017-05-08T15:03Z 22.4M followers, 3.3M engagements
"The first asteroid ever discovered - Carrie Nugent Check out all of TED-Ed's book recommendations: http://ed.ted.com/books Check out Carrie Nugent's "Asteroid Hunters": https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/asteroid-hunters View full lesson: https://ed.ted.com/lessons/the-first-asteroid-ever-discovered-carrie-nugent Over the course of history weve discovered hundreds of thousands of asteroids. But how do astronomers discover these bits of rock and metal How many have they found And how do they tell asteroids apart Carrie Nugent shares the story of the very"
YouTube Link 2017-10-16T15:02Z 22.4M followers, 308.1K engagements
"Is our universe the only universe - Brian Greene Is there more than one universe In this visually rich action-packed talk Brian Greene shows how the unanswered questions of physics (starting with a big one: What caused the Big Bang) have led to the theory that our own universe is just one of many in the "multiverse." Talk by Brian Greene. Brian Greene TED TED talk universe multiverse physics big bang what caused the big how many universes are there theory astrophysics TED-Ed Ed TEDEducation Brian Greene TED TED talk universe multiverse physics big bang what caused the big how many universes"
YouTube Link 2013-04-19T20:16Z 22.4M followers, 2.1M engagements
"Does your vote count The Electoral College explained - Christina Greer View full lesson: http://ed.ted.com/lessons/does-your-vote-count-the-electoral-college-explained-christina-greer You vote but then what Discover how your individual vote contributes to the popular vote and your state's electoral vote in different ways--and see how votes are counted on both state and national levels. Lesson by Christina Greer animation by Marked Animation. TEDEducation TED-Ed TED Ed Christina Greer Marked animation election electoral college electoral popular vote TEDEducation TED-Ed TED Ed Christina Greer"
YouTube Link 2012-11-01T15:00Z 22.4M followers, 8.6M engagements
"What can DNA tests really tell us about our ancestry - Prosanta Chakrabarty Dig into the science of how ancestry DNA tests work their accuracy and why tracing ancestry is so complicated. -- Two sisters take the same DNA test. The results show that one sister is 10% French the other 0%. Both sisters share the same two parents and therefore the same set of ancestors. So how can one be 10% more French than the other Tests like these rely on our DNA to answer questions about our ancestry but DNA actually cant tell us everything. Prosanta Chakrabarty explores the accuracy of DNA tests. Lesson by"
YouTube Link 2020-06-09T15:00Z 22.4M followers, 1.4M 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, 135.1K engagements
"The myth of Thor's journey to the land of giants - Scott A. Mellor Download a free audiobook and support TED-Ed's nonprofit mission: http://adbl.co/2om4O4Q Check out Neil Gaiman's "Norse Mythology": http://bit.ly/2opZptA View full lesson: https://ed.ted.com/lessons/the-myth-of-thor-s-journey-to-the-land-of-giants-scott-a-mellor Thor son of Odin god of thunder and protector of mankind struggled mightily against his greatest challenge yet: opening a bag of food. How had the mighty god fallen so far Scott Mellor tells the myth of Thor's journey to Utgard. Lesson by Scott A. Mellor animation by"
YouTube Link 2018-02-22T16:03Z 22.4M followers, 8.8M engagements
"Poetic Stickup: Put the Financial Aid in the Bag At TEDYouth [----] Performance artist Carvens Lissaint shows how to use language metaphor and imagery to express a powerful idea -- as in this spoken word performance a stirring plea to make college education more accessible. Literature and Language Playing with Language Carvens Lissaint Poetry Performance TED TED-Ed TED Education Poem Financial Aid Tuition Literature and Language Playing with Language Carvens Lissaint Poetry Performance TED TED-Ed TED Education Poem Financial Aid Tuition"
YouTube Link 2012-03-21T14:53Z 22.4M followers, 308.2K engagements
"How scientists are creating real-life invisibility cloaks - Max G. Levy Learn more at https://brilliant.org/TedEd -- A spy presses a button on their suit and blinks out of sight. A wizard wraps himself in a cloak and disappears. A star pilot flicks a switch and their ship vanishes into space. Invisibility is one of the most tantalizing powers in fiction spanning all kinds of stories. But could this fantasy ever become a reality Max G. Levy digs into the technologies that could make invisibility possible. Lesson by Max G. Levy directed by Michalis Kalopaidis Zedem Media. This video made"
YouTube Link 2024-12-05T16:00Z 22.4M followers, 399.8K engagements
"Why are there so many different kinds of dogs - Kathleen Morrill Pirovich Trace the evolution of dog breeds and find out why their characteristics behaviors and personalities vary so widely. -- The immense physical variety of dogs makes them among the worlds most diverse species and likely the one with the greatest range in size. A Pomeranian for example might weigh [--] kilograms while a Mastiff could tip the scale to [---]. So why is this And what does a dogs breed actually say about them Kathleen Morrill Pirovich explores the dizzying diversity of dogs. Lesson by Kathleen Morrill Pirovich"
YouTube Link 2025-08-28T15:00Z 22.4M followers, 422.6K engagements
"How do you know if you have a virus - Cella Wright Dig into two testing techniques for viruses: PCR tests to diagnose an infection and immunoassays to detect antibodies. -- A new virus emerges and spreads like wildfire. In order to contain it researchers must first collect data about whos been infected. Two main viral testing techniques are critical: one tells you if you have the virus and the other shows if youve already had it. So how exactly do these tests work Cella Wright explores the science of PCR tests and immunoassays. Lesson by Cella Wright directed by Hype CG. Animator's website:"
YouTube Link 2020-05-18T15:00Z 22.4M followers, 558.8K engagements
"Why you feel stuck and how to get motivated - Shannon Odell Dig into the psychology of how to overcome your motivational obstacles and regain focus when you feel stuck in achieving your goals. -- Many of us have experienced feeling stuck. People often report feeling highly motivated at the start and end of a project but the middle can feel untethered. It can happen when tackling something as simple as a term paper or as monumental as social inequality or the climate crisis. So are there ways to get unstuck Shannon Odell digs into the psychology of overcoming your motivational obstacles."
YouTube Link 2025-02-04T16:01Z 22.4M followers, 1.4M engagements
"Introducing TED Summer School Announcing TED Summer School A two-week summer program for students aged 15-18 to discover and share their best ideas with expert tutors. -- What if your summer could change how you see yourself In partnership with Immerse Education TED is introducing TED Summer School: a transformative two-week summer program for students aged 15-18 to discover shape and share their best ideas under the guidance of expert tutors. Students will have the opportunity to join either remotely or in-person in New York London or Singapore. Learn more about TEDSummerSchooland how you"
YouTube Link 2026-02-04T16:10Z 22.4M followers, 19.4K engagements
"TED Prize wish: Protect our oceans - Sylvia Earle View full lesson: http://ed.ted.com/lessons/sylvia-earle-s-ted-prize-wish-to-protect-our-oceans Legendary ocean researcher Sylvia Earle shares astonishing images of the ocean -- and shocking stats about its rapid decline -- as she makes her TED Prize wish: that we will join her in protecting the vital blue heart of the planet. Sylvia Earle has been at the frontier of deep ocean exploration for four decades. She's led more than [--] undersea expeditions and she's been an equally tireless advocate for our oceans and the creatures who live in them."
YouTube Link 2012-12-21T15:59Z 22.4M followers, 53K engagements
"CERN's supercollider - Brian Cox View full lesson: http://ed.ted.com/lessons/brian-cox-on-cern-s-supercollider "Rock-star physicist" Brian Cox talks about his work on the Large Hadron Collider at CERN. Discussing the biggest of big science in an engaging and accessible way Cox brings us along on a tour of the massive project. Talk by Brian Cox. TEDEducation TED-Ed TED Ed Brian Cox CERN physics Large Hadron Collider science TEDEducation TED-Ed TED Ed Brian Cox CERN physics Large Hadron Collider science"
YouTube Link 2012-12-08T16:52Z 22.4M followers, 137.6K engagements
"What happened to the lost Kingdom of Kush - Geoff Emberling Trace the rise and fall of the Kingdom of Kush an overlooked ancient African civilization which fought off both the Egyptians and Romans. -- Along the Nile River in what is now northern Sudan lay the ancient civilization of Kush. Though they were once conquered by a powerful neighbor the kings and queens of Kush would go on to successfully challenge two of the most dominant empires in history: the Egyptians and the Romans. So what happened to this African kingdom Geoff Emberling details the rise and fall of the Kush empire. Lesson by"
YouTube Link 2021-10-07T14:59Z 22.4M followers, 1.2M engagements
"How pigeons took over the world - Elizabeth Carlen and Joanna Moles Trace the ancient history of the pigeon and discover how these birds became one of the most abundant species on the planet. -- Seeing their meat as a protein source and their poop as the perfect fertilizer humans brought pigeons into captivity as far back as [-----] years ago. As we carried pigeons around the world they formed the wild urban flocks we're familiar with today and became one of the most abundant species on the planet. Elizabeth Carlen and Joanna Moles track the feathery flier's rise to world domination. Lesson by"
YouTube Link 2022-03-15T15:01Z 22.4M followers, 702.1K engagements
"Music and creativity in Ancient Greece - Tim Hansen View full lesson: http://ed.ted.com/lessons/music-and-creativity-in-ancient-greece-tim-hansen You think you love music You have nothing on the Ancient Greek obsession. Every aspect of Greek life was punctuated by song: history poetry theater sports and even astronomy. In fact music was so important to Greek philosopher Plato that he claimed the music we listen to directly affects our ethics. Tim Hansen wonders what Plato might have to say about the music we listen to today. Lesson by Tim Hansen animation by TOGETHER. TOGETHER astronomy music"
YouTube Link 2013-12-03T16:11Z 22.4M followers, 774.7K engagements
"Why are sloths so slow - Kenny Coogan View full lesson: http://ed.ted.com/lessons/why-are-sloths-so-slow-kenny-coogan Sloths spend most of their time eating resting or sleeping; in fact they descend from their treetops canopies just once a week for a bathroom break. How are these creatures so low energy Kenny Coogan describes the physical and behavioral adaptations that allow sloths to be so slow. Lesson by Kenny Coogan animation by Anton Bogaty. TED TED-Ed TED Education TEd Ed Kenny Coogan Anton Bogaty sloths giant sloth ground sloth lion Thomas Jefferson Lewis and Clark metabolism metabolic"
YouTube Link 2017-04-25T15:01Z 22.4M followers, 6.3M engagements
"The surprisingly long history of electric cars - Daniel Sperling and Gil Tal Can electric cars reclaim their place on the road Discover how developments in battery technology are making these cars more efficient and powerful. -- By the end of the 19th century nearly 40% of American cars were electric. But these vehicles had a few major problems early car batteries were expensive and inefficient and the vehicles were twice the price of a gas-powered car. And so for the next several decades gas-powered cars dominated the market. Can electric cars reclaim their place on the road Daniel Sperling"
YouTube Link 2021-10-26T15:01Z 22.4M followers, 606K engagements
"Aphasia: The disorder that makes you lose your words - Susan Wortman-Jutt Dig into the language disorder known as aphasia that affects a persons ability to communicate effectively with others. -- Language is an essential part of our lives that we often take for granted. But if the delicate web of language networks in your brain became disrupted by stroke illness or trauma you could find yourself truly at a loss for words. Susan Wortman-Jutt details a disorder called aphasia which can impair all aspects of communication. Lesson by Susan Wortman-Jutt animation by TED-Ed. View full lesson:"
YouTube Link 2016-09-15T15:17Z 22.4M followers, 1.6M engagements
"What happens during a stroke - Vaibhav Goswami Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/what-happens-during-a-stroke-vaibhav-goswami Every two seconds someone in the world has a stroke. One out of every six people will have a stroke at some point in their lives. Strokes deprive brain cells of oxygen and are one of the most common causes of death and a leading cause of preventable disability. But what causes strokes in the first place And what can doctors do to treat them Vaibhav Goswami takes us into the body to find out. Lesson by"
YouTube Link 2018-02-01T16:04Z 22.4M followers, 3.4M 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
"How do your hormones work - Emma Bryce Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-do-your-hormones-work-emma-bryce Over our lifetimes our bodies undergo a series of extraordinary metamorphoses: we grow experience puberty and many of us reproduce. Behind the scenes the endocrine system works constantly to orchestrate these changes. Emma Bryce explains how this system regulates everything from your sleep to the rhythm of your beating heart exerting its influence over each and every one of your cells. Lesson by Emma Bryce animation"
YouTube Link 2018-06-21T15:01Z 22.4M followers, 2.6M engagements
"Is AI the most important technology of the century Is the 21st century the most pivotal time in human history Explore how the decisions we make now may impact humanitys future. -- Is it possible that this century is the most important one in human history The 21st century has already proven to be a period of rapid growth. Were on the cusp of developing new technologies that could entirely change the way people live and could contribute to unprecedented levels of existential risk. Explore how the decisions we make now might have a major impact on humanitys future. Directed by Jon Mayes AIM"
YouTube Link 2023-04-04T15:01Z 22.4M followers, 473.5K engagements
"Kiranmala: The tale of the princess who conquered Magic Mountain - Malay Bera Dig into the Bengali tale of a trio of siblings who attempt to scale the fearsome Magic Mountain to gain treasures for their home. -- Inspired by a kings visit a trio of siblings began building a palace traveling far and wide to collect rare jewels seeds and marble. A holy man stopped by and told them of a Magic Mountain east of north and north of east where theyd find their most meaningful treasures. But he said only a true hero could complete the journey. Malay Bera shares the Bengali tale of Kiranmala's quest."
YouTube Link 2026-01-15T16:00Z 22.4M followers, 164.2K engagements
"Are there universal expressions of emotion - Sophie Zadeh Learn more about TED-Ed Clubs here: http://bit.ly/2z8YFSo View full lesson: https://ed.ted.com/lessons/are-there-universal-expressions-of-emotion-sophie-zadeh The [--] or so muscles in the human face can be activated in different combinations to create thousands of expressions. But do these expressions look the same and communicate the same meaning around the world regardless of culture Is one persons smile anothers grimace Sophie Zadeh investigates. Lesson by Sophie Zadeh animated by Estdio Bacuri. Thank you so much to our patrons for"
YouTube Link 2018-07-03T15:00Z 22.4M followers, 468.5K engagements
"Can you solve the fantasy election riddle - Dennis E. Shasha Practice more problem-solving at https://brilliant.org/TedEd -- After much debate the realm has decided dragon jousting may not be the best way to choose its leaders and has begun transitioning to democracy. Your company was hired to survey the citizens of the land and predict which candidate will win. Theres a lot riding on this: if you get it wrong heads well your head will quite literally roll. Can you predict the winner Dennis Shasha shows how. Lesson by Dennis E. Shasha directed by Igor Coric Artrake Studio. Support Our"
YouTube Link 2021-03-25T15:00Z 22.4M followers, 1.9M engagements
"The smallest solution to one of our biggest problems - Tierney Thys & Christian Sardet Explore the possibility of plastivores organisms that can eat and break down plastic helping reduce the plastic waste on Earth. -- Each year humanity produces roughly [---] million tons of plastic 80% of which is discarded as trash. Of that plastic waste only one-tenth is recycled. 60% gets incinerated or goes into the landfills and 30% leaks out into the environment. Fortunately there are microbes that may be able to take a bite out of this growing problem. Tierney Thys and Christian Sardet explore the"
YouTube Link 2022-07-07T15:51Z 22.4M followers, 546.9K engagements
"Why do people have seasonal allergies - Eleanor Nelsen View full lesson: http://ed.ted.com/lessons/why-do-some-people-have-seasonal-allergies-eleanor-nelsen Ah spring. Grass growing flowers blooming trees budding. For those with allergies though this explosion of new life probably inspires more dread than joy. So whats behind this annual onslaught of mucus Eleanor Nelsen explains what happens when your immune system goes rogue. Lesson by Eleanor Nelson animation by TED-Ed. Seasonal allergies Sneeze Allergic reaction Pollen Immune system Hay fever Allergic Rhinitis antibodies antihistamine"
YouTube Link 2016-05-26T14:57Z 22.4M followers, 582.4K engagements
"Why dont poisonous animals poison themselves - Rebecca D. Tarvin Have you checked out our Patreon page https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-don-t-poisonous-animals-poison-themselves-rebecca-d-tarvin Thousands of animal species use toxic chemicals to defend themselves from predators. Snakes have blood clotting compounds in their fangs the bombardier beetle has corrosive liquid in its abdomen and jellyfish have venomous harpoon-like structures in their tentacles. But how do these animals survive their own poisons Rebecca D. Tarvin details the strategies"
YouTube Link 2018-07-05T15:00Z 22.4M followers, 2.6M engagements
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