@TEDEd Avatar @TEDEd TED-Ed

TED-Ed posts on YouTube about education, animation, history, science the most. They currently have [----------] followers and [----] posts still getting attention that total [-------] engagements in the last [--] hours.

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Social Influence

Social category influence countries 16.22% travel destinations #6656 finance #5717 technology brands 1.87% social networks 1.14% stocks 0.98% celebrities 0.98% automotive brands 0.81% musicians 0.57% luxury brands 0.33%

Social topic influence education #159, animation #653, history #652, science #275, in the #5825, health #293, how to #2934, the world #1619, can you #398, solve #111

Top accounts mentioned or mentioned by @vibeattractor @breland @gracebowers @voguesfashionvault @tonysuccar @info @godmoneycode @oceanx @bonniemckeeofficial @taylaparx @ucuvfxz23tf6dadwjyrduw @davidarchie @immerseeducation @nunesbobby @learningjunction @iteachingyou @astrowala @mathsphysicslovers @goldbarrefiner1 @iamsahil_02

Top Social Posts

Top posts by engagements in the last [--] hours

"Questions No One Knows the Answers to (Full Version) Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter In the first of a new TED-Ed series designed to catalyze curiosity TED Curator Chris Anderson shares his boyhood obsession with quirky questions that seem to have no answers. (Introducing the series "Questions no one knows the answers to") "Questions No One Knows the Answers to" was animated by Andrew Park (http://www.cognitivemedia.co.uk) Philosophy and Religion Questions Answers Chris Anderson Curiosity Philosophy Religion TED TED-Ed TED Education Andrew"
YouTube Link 2012-03-17T16:01Z 22.4M followers, 30.3M engagements

"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

"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

"What you might not know about the Declaration of Independence - Kenneth C. Davis View full lesson: http://ed.ted.com/lessons/what-you-might-not-know-about-the-declaration-of-independence-kenneth-c-davis In June [----] a little over a year after the start of the American Revolutionary War the US Continental Congress huddled together in a hot room in Philadelphia to talk independence. Kenneth C. Davis dives into some of the lesser known facts about the process of writing the Declaration of Independence and questions one very controversial omission. Lesson by Kenneth C. Davis animation by Karrot"
YouTube Link 2014-07-01T15:04Z 22.4M followers, 2.2M engagements

"The worlds most painful insect sting - Justin Schmidt Find out whether a honeybee a tarantula hawk wasp or a bullet ant has the most painful insect sting and what each of their stings feel like. -- One of these three creatures is thought to possess the worlds most painful insect sting: theres an ant that forages in rainforest canopies a bee that protects a hive of delectable honey and a wasp that paralyzes tarantulas. So which has the nastiest sting Justin Schmidt describes and ranks the pain inflicted by each insect. Lesson by Justin Schmidt directed by Nicholas Paim Alopra Studio. Support"
YouTube Link 2021-04-19T15:00Z 22.4M followers, 2M engagements

"Can humans be trusted with control over genetics - Michael Vazquez and Raye Ploeger Puzzle through this classic ethical dilemma and decide: should parents be able to choose genetic traits for their children -- Andre and Leslie are a deaf couple who have decided to have a child and theyre considering using a process to ensure deafness in their child. As deaf parents they feel they could provide better guidance to a child that would share their lived experience and grow up immersed in deaf culture. But is this genetic intervention ethical Michael Vazquez and Raye Ploeger explore this classic"
YouTube Link 2025-09-02T15:00Z 22.4M followers, 147.8K engagements

"This tool will help improve your critical thinking - Erick Wilberding Explore the technique known as the Socratic Method which uses questions to examine a persons values principles and beliefs. -- Socrates one of the founding fathers of Western philosophical thought was on trial. Many believed he was an enemy of the state accusing the philosopher of corrupting the youth and refusing to recognize their gods. But Socrates wasnt feared for claiming to have all the answers but rather for asking too many questions. Erick Wilberding digs into the technique known as the Socratic Method. Lesson by"
YouTube Link 2021-04-12T15:00Z 22.4M followers, 7.9M engagements

"This is what happens in your brain when you cant recall a word - Cella Wright Dig into what causes the tip of the tongue phenomenon where your brain struggles to recall a word or term from memory. -- Youre sure you know your 3rd grade teachers name its like youre hovering over it in your mind but it just wont materialize. Researchers call this tantalizing torment a tip-of-the-tongue state and its something everyone experiences. But whats actually happening when a words caught here and how can you best get it unstuck Cella Wright explores why your brain can struggle with recall. Lesson by"
YouTube Link 2025-11-20T16:01Z 22.4M followers, 954.5K engagements

"The dark history of the overthrow of Hawaii - Sydney Iaukea Get to know the story of Queen Liliuokalani the last queen of Hawaii and how she fought the US annexation of the islands. -- On January 16th [----] two men arrived at Liliuokalanis door arrested her and imprisoned her. The Missionary Party had recently seized power and now confiscated her diaries ransacked her house and claimed her lands. Liliuokalani was Hawaiis queen and she ruled through one of the most turbulent periods of its history. Sydney Iaukea shares how the ruler fought the annexation of Hawaii. Lesson by Sydney Iaukea"
YouTube Link 2022-02-17T16:01Z 22.4M followers, 1.3M engagements

"How does laser eye surgery work - Dan Reinstein Explore the eye-opening science of LASIK: corrective laser eye surgery that focuses on reshaping the cornea to fix blurry vision. -- In [----] Spanish ophthalmologist Jose Ignacio Barraquer Moner was fed up with glasses. He wanted a solution for blurry vision that fixed the eye itself without relying on external aids. The surgery he eventually devised was called keratomileusis and his technique focused on reshaping the cornea what we now know as LASIK. So how does laser eye surgery actually work Dan Reinstein explains. Lesson by Dan Reinstein"
YouTube Link 2019-11-19T16:00Z 22.4M followers, 6.9M engagements

"Is life meaningless And other absurd questions - Nina Medvinskaya Dive into Albert Camus philosophy of the absurd and explore the question: if the world is meaningless could our lives still hold value -- Albert Camus grew up surrounded by violence. His homeland of Algeria was mired in conflict. He lost his father in World War I. Seeing World War II's devastation Camus grew despondent. What was the meaning behind all this endless bloodshed and suffering And if the world was meaningless could our individual lives still hold value Nina Medvinskaya explores Camus philosophy of the absurd. Lesson"
YouTube Link 2020-09-21T15:01Z 22.4M followers, 3.4M 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

"Overcoming obstacles - Steven Claunch View full lesson: http://ed.ted.com/lessons/there-s-no-dishonor-in-having-a-disability-steven-claunch When faced with a bump in the road sometimes we forget we have a choice: overcome the obstacle or let it overcome you. Steven Claunch who was born without fingers on his right hand and with one leg shorter than the other and has excelled in basketball nonetheless explains why obstacles can provide an opportunity to both inspire others and develop character. Lesson by Steven Claunch animation by Avi Ofer. Steven Claunch Avi Ofer disability basketball"
YouTube Link 2013-08-21T15:08Z 22.4M followers, 1.2M engagements

"The science of symmetry - Colm Kelleher View full lesson: http://ed.ted.com/lessons/the-science-of-symmetry-colm-kelleher When you hear the word symmetry you might think generally of triangles butterflies or even ballerinas. But defined scientifically symmetry is "a transformation that leaves an object unchanged." Huh Colm Kelleher unpacks this abstract term and explains how animal's distinct symmetries can tell us more about them -- and ourselves. Lesson by Colm Kelleher animation by Andrew Foerster. Colm Kelleher Andrew Foerster symmetry symmetry in nature animal symmetry what is symmetry"
YouTube Link 2014-05-13T15:03Z 22.4M followers, 750.1K engagements

"A brief history of the devil - Brian A. Pavlac Download a free audiobook version of "Devil in the White City" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed -- Satan the beast crunching sinners bones. Lucifer the fallen angel. Mephistopheles the trickster striking deals. These three divergent devils are all based on Satan of the Old Testament. But unlike any of these literary devils the Satan of the Bible was a relatively minor character. So how did he become the ultimate antagonist with so many different forms Brian A. Pavlac investigates. Lesson by Brian A. Pavlac"
YouTube Link 2021-03-30T15:00Z 22.4M followers, 1.8M engagements

"A brief history of dogs - David Ian Howe Trace the history of how wolves one of humanitys oldest rivals evolved into the domesticated dogs we call mans best friend. -- Since their emergence over [------] years ago modern humans have established communities all over the planet. But they didnt do it alone. Whatever corner of the globe you find humans in today youre likely to find another species as well: dogs. So how did one of our oldest rivals the wolf evolve into mans best friend David Ian Howe traces the history of humanitys first domesticated animal. Lesson by David Ian Howe directed by"
YouTube Link 2019-03-26T15:02Z 22.4M followers, 3.8M engagements

"How we think complex cells evolved - Adam Jacobson View full lesson: http://ed.ted.com/lessons/how-we-think-complex-cells-evolved-adam-jacobson Imagine you swallowed a small bird and suddenly gained the ability to fly or you ate a cobra and were able to spit poisonous venom Well throughout the history of life (and specifically during the evolution of complex eukaryotic cells) things like this happened all the time. Adam Jacobson explains endosymbiosis a type of symbiosis in which one symbiotic organism lives inside another. Lesson by Adam Jacobson animation by Camilla Gunborg Pedersen. TED"
YouTube Link 2015-02-17T16:18Z 22.4M followers, 950.7K engagements

"Can other animals understand death - Barbara J. King Do nonhuman animals experience grief Explore mourning in the animal kingdom to find out the answer to this tricky question. -- In [----] an orca called Tahlequah gave birth. But her daughter died within an hour. Tahlequah however didnt leave her body. Over the next [--] days and [----] kilometers she kept it afloat atop her own. By altering her feeding and travel patterns Tahlequahs behavior was certainly unusual. But was she mourning or just confused Barbara J. King explores whether nonhuman animals experience grief. Lesson by Barbara J. King"
YouTube Link 2023-07-11T15:01Z 22.4M followers, 1.4M engagements

"The Greek myth of the Fates prophecy - Iseult Gillespie Dig into the Greek myth of Meleager who set out to end a boars destruction of his city along with Greeces best warriors. -- The night of her son's birth the queen of Calydon was visited by three shadowy goddesses known as the Fates. They gestured towards the blazing hearth and decreed that her son would live only until the burning log was reduced to embers. Terrified the queen locked the log in a chest and guarded the key but the secret would loom over his life. Iseult Gillespie shares the Greek myth of Meleager. Lesson by Iseult"
YouTube Link 2025-09-30T15:00Z 22.4M followers, 423.1K engagements

"The Greek tragedy of Oedipus' daughter - Stephen Esposito Get to know the story of Antigone daughter of Oedipus who was determined to give her slain brother Polyneices a proper burial. -- The gods watched as Oedipus daughter Antigone stole out of the palace in Thebes the morning after a devastating battle. Antigone was on a dangerous mission to do what she felt was right though it meant risking her life. She sought to abide by divine law and honor her late brother Polyneices through burial but the king had other plans. Stephen Esposito shares the tragic Greek tale of Antigone. Lesson by"
YouTube Link 2025-07-31T15:54Z 22.4M followers, 358.7K engagements

"The life cycle of a t-shirt - Angel Chang Trace the life cycle of a classic white t-shirt to find out how theyre made and what is their ultimate environmental impact. -- Consider the classic white t-shirt. Annually we sell and buy [--] billion t-shirts globally making it one of the most common garments in the world. But how and where is the average t-shirt made and whats its environmental impact Angel Chang traces the life cycle of a t-shirt. Lesson by Angel Chang directed by TED-Ed. Learn more about TED-Ed Student Talks: https://ed.ted.com/student_talks Support Our Non-Profit Mission"
YouTube Link 2017-09-05T15:00Z 22.4M followers, 3.4M engagements

"How do investors choose stocks - Richard Coffin Explore the strategies investors use to choose stocks and learn whether its better to be an active or passive investor. -- Every day billions of stocks are traded on the New York Stock Exchange alone. But with over [-----] companies listed on stock exchanges around the world how do investors decide which stocks to buy And what do individuals and institutions achieve by investing in stocks Richard Coffin explores the tactics of different investing strategies. Lesson by Richard Coffin directed by Franz Palomares. Support Our Non-Profit Mission"
YouTube Link 2020-11-10T16:01Z 22.4M followers, 1.1M engagements

"The science behind the myth: Homer's "Odyssey" - Matt Kaplan View full lesson: http://ed.ted.com/lessons/the-science-behind-the-myth-homer-s-odyssey-matt-kaplan Homer's "Odyssey" recounts the adventures of the Greek hero Odysseus during his journey home from the Trojan War. Though some parts may be based on real events the encounters with monsters giants and magicians are considered to be complete fiction. But might there be more to these myths than meets the eye Matt Kaplan explains why there might be more reality behind the "Odyssey" than many realize. Lesson by Matt Kaplan animation by"
YouTube Link 2015-11-10T16:00Z 22.4M followers, 3M engagements

"The beginning of the universe for beginners - Tom Whyntie View full lesson: https://ed.ted.com/lessons/the-beginning-of-the-universe-for-beginners-tom-whyntie How did the universe begin -- and how is it expanding CERN physicist Tom Whyntie shows how cosmologists and particle physicists explore these questions by replicating the heat energy and activity of the first few seconds of our universe from right after the Big Bang. Lesson by Tom Whyntie animation by Hornet Inc. big bang evidence what is the big bang origins of universe formation universe expansion birth death seconds after CERN CERN"
YouTube Link 2013-04-09T15:01Z 22.4M followers, 1.3M engagements

"Why is the US Constitution so hard to amend - Peter Paccone View full lesson: http://ed.ted.com/lessons/why-is-the-us-constitution-so-hard-to-amend-peter-paccone When it was ratified in [----] the US Constitution didnt just institute a government by the people it provided a way for the people to alter the Constitution itself. And yet of the nearly [-----] amendments proposed in the centuries since only [--] have succeeded as of [----]. Peter Paccone explains why the US Constitution is so hard to change. Lesson by Peter Paccone animation by Augenblick Studios. Peter Paccone Augenblick Studios U.S"
YouTube Link 2016-05-16T15:00Z 22.4M followers, 1.2M engagements

"When is water safe to drink - Mia Nacamulli View full lesson: https://ed.ted.com/lessons/when-is-water-safe-to-drink-mia-nacamulli Water is refreshing hydrating and invaluable to your survival. But clean water remains a precious and often scarce commodity there are nearly [---] million people who still dont have regular access to it. Why is that And how can you tell whether the water you have access to whether from a tap or otherwise is drinkable Mia Nacamulli examines water contamination and treatment. Lesson by Mia Nacamulli directed by Rooftop Animation. TED TED-Ed TED Education TED Ed clean"
YouTube Link 2017-08-07T15:00Z 22.4M followers, 1.4M engagements

"Why do buildings fall in earthquakes - Vicki V. May View full lesson: http://ed.ted.com/lessons/why-do-buildings-fall-in-earthquakes-vicki-v-may Earthquakes have always been a terrifying phenomenon and theyve become more deadly as our cities have grown with collapsing buildings posing one of the largest risks. But why do buildings collapse in an earthquake And how can it be prevented Vicki V. May explains the physics of why it is not the sturdiest buildings but the smartest that will remain standing. Lesson by Vicki V. May animation by Pew36 Animation Studios. TED TED-Ed TEDx Earthquake"
YouTube Link 2015-01-26T16:02Z 22.4M followers, 1.9M engagements

"What makes tuberculosis (TB) the world's most infectious killer - Melvin Sanicas Learn why tuberculosis TB is the worlds most infectious disease and how medical advancements are improving treatment. -- In [----] two 9000-year old skeletons were found with their bones infected by an all too familiar bacterium. The ancient Greeks knew its effects as phthisis; the Incans called it chaky oncay; and today we call it tuberculosis or TB. TB is still one of the worlds most infectious killers causing more deaths than malaria or even HIV. How has it persisted for so long Melvin Sanicas investigates."
YouTube Link 2019-06-27T15:01Z 22.4M followers, 2.8M engagements

"How atoms bond - George Zaidan and Charles Morton View full lesson: http://ed.ted.com/lessons/how-atoms-bond-george-zaidan-and-charles-morton Atoms can (and do) bond constantly; it's how they form molecules. Sometimes in an atomic tug-of-war one atom pulls electrons from another forming an ionic bond. Atoms can also play nicely and share electrons in a covalent bond. From simple oxygen to complex human chromosome [--] George Zaidan and Charles Morton break down the humble chemical bond. Lesson by George Zaidan and Charles Morton animation by Bevan Lynch"
YouTube Link 2013-10-15T17:15Z 22.4M followers, 1.4M engagements

"The myth of Medusa TED-Ed has launched its first ever physical game: Pandora's Legacy Learn more and get your copy here: https://ed.ted.com/pandora -- Medusa transformed into a monstrous Gorgon by a wrathful Athena sought refuge in a hidden cave. Time after time would-be heroes journeyed to the cave to make their names by murdering Medusa but fell to her gaze every time. Until another young man Perseus began his quest for glory. Laura Aitken-Burt shares the myth of Medusa and her infamous power to petrify. Lesson by Laura Aitken-Burt directed by Yael Reisfeld. Support Our Non-Profit Mission"
YouTube Link 2025-05-01T15:00Z 22.4M followers, 790.9K engagements

"The diseases that changed humanity forever - Dan Kwartler Explore the history of humanitys deadliest diseases and find out how our progress and innovation exposed us to new pathogens. -- Since humanitys earliest days weve been plagued by countless disease-causing pathogens. Invisible and persistent these microorganisms and the illnesses they incur have killed more humans than anything else in history. But which disease has been the deadliest Dan Kwartler digs into how human progress and innovation throughout history exposed us to surprising new maladies. Lesson by Dan Kwartler directed by"
YouTube Link 2023-11-28T16:01Z 22.4M followers, 916.5K engagements

"Radioactivity: Expect the unexpected - Steve Weatherall View full lesson: http://ed.ted.com/lessons/radioactivity-expect-the-unexpected-steve-weatherall Neutrons don't change into protons. Except sometimes they do. Radioactivity is the process under which the nucleus can change spontaneously from one element to another. Steve Weatherall suggests that we acknowledge both the usefulness and danger inherent in harvesting radioactivity. Talk by Steve Weatherall animation by Eugene Uymatiao. TEDEducation TED-Ed TED Ed chemistry Eugene Uymatiao radioactive radioactivity atom nucleus proton neutron"
YouTube Link 2012-12-10T16:13Z 22.4M followers, 996.5K engagements

"The Greek myth of Demeter's revenge - Iseult Gillespie Dig into the Greek myth of Mestra and her father King Erysichthon who angered the gods and was cursed with insatiable hunger. -- Mestra princess of Thessaly was far from home. She had watched her father King Erysichthon plunge into a ruin of his own making. Now to save himself hed sold his own daughter to the highest bidder. But Mestra refused to accept this fate and began to plan her escape. Iseult Gillespie shares the Greek myth of Mestra's bid for freedom. Lesson by Iseult Gillespie directed by Vitalii Nebelskyi and action creative"
YouTube Link 2024-03-26T15:00Z 22.4M followers, 1M engagements

"The otherworldly creatures in the ocean's deepest depths - Lidia Lins View full lesson: http://ed.ted.com/lessons/the-otherworldly-creatures-in-the-ocean-s-deepest-depths-lidia-lins About [--] percent of the ocean is a cold dark region that spans down to [-----] meters. This zone is known as the deep ocean and though it seems like an inhospitable and remote corner of the planet it is actually one of the greatest habitats on Earth. Lidia Lins explores how so many species thrive in this mysterious underwater world. Lesson by Lidia Lins animation by Viviane Leezer. Lidia Lins Viviane Leezer Deep sea"
YouTube Link 2016-05-24T15:11Z 22.4M followers, 2.3M engagements

"Why should you read Shakespeares The Tempest - Iseult Gillespie Explore William Shakespeares play The Tempest a story of shipwreck magic and a fight for power. -- Claps of thunder and flashes of lightning illuminate a swelling sea as a ship buckles beneath the waves. It is no ordinary storm but a violent and vengeful tempest and it sets the stage for Shakespeares most enigmatic play. Why does this play still resonate with modern readers Iseult Gillespie investigates. Lesson by Iseult Gillespie directed by Hlose Dorsan Rachet. Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Support"
YouTube Link 2019-02-05T15:59Z 22.4M followers, 877.6K engagements

"The psychology behind irrational decisions - Sara Garofalo View full lesson: http://ed.ted.com/lessons/the-psychology-behind-irrational-decisions-sara-garofalo Often people make decisions that are not rational from a purely economical point of view meaning that they dont necessarily lead to the best result. Why is that Are we just bad at dealing with numbers and odds Or is there a psychological mechanism behind it Sara Garofalo explains heuristics problem-solving approaches based on previous experience and intuition rather than analysis. Lesson by Sara Garofalo animation by TOGETHER. Sara"
YouTube Link 2016-05-12T15:00Z 22.4M followers, 2.5M engagements

"How the world's first metro system was built - Christian Wolmar Learn more about our student voice program TED-Ed Clubs: http://bit.ly/2J5g4eS View full lesson: https://ed.ted.com/lessons/how-the-world-s-first-subway-system-was-built-christian-wolmar It was the dawn of [----] and London's not-yet-opened subway system the first of its kind in the world had the city in an uproar. Most people thought the project which cost more than [---] million dollars in today's money would never work. So how did they do it Christian Wolmar explains how the London Underground was built at a time when no one had"
YouTube Link 2018-04-19T16:24Z 22.4M followers, 2M engagements

"The Maya myth of the morning star Discover the Maya myth of Venus the morning star plotting revenge on his brother the sun and his allies. -- Chak Ek the morning star rose from the underworld to the surface of the eastern sea and on into the heavens. His brother Kin Ahaw the sun followed. Though Chak Ek had risen first Kin Ahaw outshone him and the resentful Chak Ek descended back to the underworld to plot against his brother and his allies. Gabrielle Vail details the Maya myth of the morning star. Lesson by Gabrielle Vail directed by Basa. Animator's website: https://www.basaestudio.com Sign"
YouTube Link 2019-10-21T15:01Z 22.4M followers, 1.6M 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, 711.5K engagements

"The history of the Cuban Missile Crisis - Matthew A. Jordan View full lesson: http://ed.ted.com/lessons/the-history-of-the-cuban-missile-crisis-matthew-a-jordan Imagine going about your life knowing that at any given moment you and everyone you know could be wiped out without warning at the push of a button. This was the reality for millions of people during the forty-five year period after World War II now known as the Cold War. Matthew A. Jordan explains the history behind the peak of all this panic the thirteen days of the Cuban Missile Crisis. Lesson by Mathew A. Jordan animation by"
YouTube Link 2016-09-26T15:40Z 22.4M followers, 6.1M engagements

"Are ghost ships real - Peter B. Campbell View full lesson: http://ed.ted.com/lessons/are-ghost-ships-real-peter-b-campbell Please note: we are currently working on a fix for an error spotted in the video. The error relates to the behavior of the water filling the hole in the Mary Celeste's hull. The water would reach equilibrium with the outside water level not cease filling at the hole. We thank you for your patience as we work on a fix. In [----] the British steamer Rumney crashed into the French ship Frigorifique. Seeing their ship filling with water the French crew climbed aboard the"
YouTube Link 2017-02-28T16:02Z 22.4M followers, 3.1M engagements

"What happens to your body at the top of Mount Everest - Andrew Lovering Explore what happens in your body when you dont acclimate to higher altitudes and the dangers of altitude sickness. -- If you teleported from sea level to the top of Mount Everest things would go bad fast. At an altitude of [----] meters you would likely suffocate in minutes. However for people that make this journey over the course of a month its possible to survive at the peak for hours. So what happens in our bodies that allows us to endure this incredible altitude Andrew Lovering investigates. Lesson by Andrew Lovering"
YouTube Link 2022-06-28T15:01Z 22.4M followers, 2M 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, 232K 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

"How smart are orangutans - Lu Gao View full lesson: http://ed.ted.com/lessons/how-smart-are-orangutans-lu-gao Along with humans orangutans belong to the Hominidae family tree which stretches back [--] million years. But its not just their striking red hair that makes orangutans unique among our great ape cousins. Lu Gao shares some amazing facts about these incredibly intelligent great apes from Asia. Lesson by Lu Gao animation by Anton Bogaty. Lu Gao Orangutan baby orangutan awesome nature conservation primates monkey behaviour chimps Indonesia poachers how smart are orangutans why are"
YouTube Link 2016-08-30T15:00Z 22.4M followers, 4M engagements

"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, 227.1K engagements

"How did Polynesian wayfinders navigate the Pacific Ocean - Alan Tamayose and Shantell De Silva Learn more about TED-Ed Student Talks here: https://ed.ted.com/student_talks Visit the TED-Ed Student Talks YouTube channel: https://www.youtube.com/channel/UCskU_g7t6b5ecsA1CTS3y9Q View full lesson: https://ed.ted.com/lessons/how-did-polynesian-wayfinders-navigate-the-pacific-ocean-alan-tamayose-and-shantell-de-silva Imagine setting sail from Hawaii in a canoe. Your target is a small island thousands of kilometers away in the middle of the Pacific Ocean a body of water that covers more than 160"
YouTube Link 2017-10-17T15:03Z 22.4M followers, 2.2M engagements

"Why are scientists obsessed with the Black Sea - Helen Farr and Jon Adams Discover the unique conditions that make the Black Sea host to dozens of shipwrecks that date back thousands of years. -- In [----] researchers off the Bulgarian coast discovered the oldest intact shipwreck ever found. This ancient Greek vessel was not only nearly [----] years old but was just one of [--] shipwrecks found at the bottom of the Black Sea in remarkable condition. So why does the Black Sea contain so many well-preserved shipwrecks Helen Farr and Jon Adams dive into the depths of the unique body of water. Lesson"
YouTube Link 2021-10-21T15:00Z 22.4M followers, 858.5K engagements

"The myth behind the Chinese zodiac - Megan Campisi and Pen-Pen Chen Want to support TED-Ed's nonprofit mission Check out our Patreon page: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/the-myth-behind-the-chinese-zodiac-megan-campisi-and-pen-pen-chen Whats your sign In Western astrology its a constellation determined by when your birthday falls in the calendar. But according to the Chinese zodiac () its your shuxiang meaning the animal assigned to your birth year. Of the many myths explaining these animal signs and their arrangement the most enduring one is that of"
YouTube Link 2017-01-26T16:00Z 22.4M followers, 9.4M engagements

"The complex geometry of Islamic design - Eric Broug View full lesson: http://ed.ted.com/lessons/the-complex-geometry-of-islamic-design-eric-broug In Islamic culture geometric design is everywhere: you can find it in mosques madrasas palaces and private homes. And despite the remarkable complexity of these designs they can be created with just a compass to draw circles and a ruler to make lines within them. Eric Broug covers the basics of geometric Islamic design. Lesson by Eric Broug animation by TED-Ed. Islam Geometry Design Tessellation Eric Broug TED TED-Ed TED Education TEDx Compass Ruler"
YouTube Link 2015-05-14T17:17Z 22.4M followers, 3.7M engagements

"What does this symbol actually mean - Adrian Treharne Support us on Patreon: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/what-does-this-symbol-actually-mean-adrian-treharne Some of the worlds most recognizable symbols exist to sell products. Others to steer traffic or advance political causes. But theres one whose main purpose is to help people. You may know it as the wheelchair symbol but its formal title is the International Symbol of Access. But what does the symbol actually mean And what is its purpose Adrian Treharne explains. Lesson by Adrian Treharne"
YouTube Link 2017-01-05T16:01Z 22.4M followers, 2.1M engagements

"Making sense of irrational numbers - Ganesh Pai View full lesson: http://ed.ted.com/lessons/making-sense-of-irrational-numbers-ganesh-pai Like many heroes of Greek myths the philosopher Hippasus was rumored to have been mortally punished by the gods. But what was his crime Did he murder guests or disrupt a sacred ritual No Hippasus's transgression was mathematically proving the hitherto unprovable. Ganesh Pai describes the history and math behind irrational numbers. Lesson by Ganesh Pai animation by Anton Trofimov. Ganesh Pai Anton Trofimov Pen-Pen Chen Irrational Numbers Root [--] Square root"
YouTube Link 2016-05-23T15:01Z 22.4M followers, 2M 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, 774.3K engagements

"History vs. Che Guevara - Alex Gendler Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/history-vs-che-guevara-alex-gendler His face is recognized all over the world the young medical student who became a revolutionary icon. But was Che Guevara a heroic champion of the poor or a ruthless warlord who left a legacy of repression Alex Gendler puts this controversial figure on trial in History vs. Che Guevara. Lesson by Alex Gendler directed by Brett Underhill. Thank you so much to our patrons for your support Without you this video would not"
YouTube Link 2017-11-27T16:05Z 22.4M followers, 5.9M engagements

"How do scars form - Sarthak Sinha View full lesson: http://ed.ted.com/lessons/how-do-scars-form-sarthak-sinha Its hard to escape childhood without racking up a few scars. Why do these leftover reminders of a painful cut or crash look different from the rest of our skin And why do they stick around for so long after the incident that caused them Sarthak Sinha explains how scars form. Lesson by Sarthak Sinha animation by Karrot Animation. Scar Scarring Collagen TED-Ed TED Ed Wound Human body Skin Skin tissue Biology Epidermis Scar tissue Fibrosis Cystic Fibrosis Pulmonary Fibrosis Skin"
YouTube Link 2014-11-11T16:15Z 22.4M followers, 1.1M engagements

"What happens when your DNA is damaged - Monica Menesini View full lesson: http://ed.ted.com/lessons/what-happens-when-your-dna-is-damaged-monica-menesini The DNA in just one of your cells gets damaged tens of thousands of times per day. Because DNA provides the blueprint for the proteins your cells need to function this damage can cause serious issuesincluding cancer. Fortunately your cells have ways of fixing most of these problems most of the time. Monica Menesini details the processes of DNA damage and repair. Lesson by Monica Menesini animation by FOX Animation Domination High-Def. DNA"
YouTube Link 2015-09-21T15:33Z 22.4M followers, 2.7M engagements

"The Greek myth of Talos the first robot - Adrienne Mayor Get to know the myth of Talos a robot powered by ichor and created by Hephaestus to defend the island kingdom of Crete from intruders. -- Hephaestus god of technology was hard at work on his most ingenious invention yet. He was creating a new defense system for King Minos who wanted fewer intruders on his island kingdom of Crete. But mortal guards and ordinary weapons wouldnt suffice so the visionary god devised an indomitable new defender. Adrienna Mayor dives into the myth of Talos: the first robot. Lesson by Adrienne Mayor directed"
YouTube Link 2019-10-24T15:00Z 22.4M followers, 3.3M engagements

"The physics of playing guitar - Oscar Fernando Perez View full lesson: http://ed.ted.com/lessons/the-physics-of-playing-guitar-oscar-fernando-perez Guitar masters like Jimi Hendrix are capable of bending the physics of waves to their wills plucking melody from inspiration and vibration. But how do wood metal and plastic translate into rhythm melody and music Oscar Fernando Perez details the physics of playing the guitar from first pluck to that final shredding chord. Lesson by Oscar Fernando Perez animation by Chris Boyle. Guitar Physics Oscar Perez Jimi Hendrix Kurt Cobain Jimmy Page Music"
YouTube Link 2015-08-13T15:07Z 22.4M followers, 529.5K engagements

"Is capitalism actually broken Explore the different types of capitalism how they operate and how they impact issues like climate change and rising inequality. -- People have become increasingly worried that the threats we face today like climate change and rising inequality cant be solved by a capitalist economic system. So is that true And if it is can we fix capitalism or do we need to tear the system down and build a new one from scratch Explore the different types of capitalism and the role it plays in our society. Directed by Lorenzo Mercanti AIM Creative Studios. This video made"
YouTube Link 2022-11-01T15:00Z 22.4M followers, 1.3M engagements

"A brief history of alcohol - Rod Phillips Trace the [----] year old history of alcohol from its first known origins in China to cultures all over the world fermenting their own drinks. -- Nobody knows exactly when humans began to create fermented beverages. The earliest known evidence comes from [----] BCE in China where residue in clay pots has revealed that people were making an alcoholic beverage from fermented rice millet grapes and honey. So how did alcohol come to fuel global trade and exploration Rod Phillips explores the evolution of alcohol. Lesson by Rod Phillips directed by Anton"
YouTube Link 2020-01-02T16:00Z 22.4M followers, 7.5M engagements

"Can you survive a Komodo dragon bite - Achmad Ariefiandy Dig into what we know about Komodo dragons and find out what you should do if you encounter these giant lizards in the wild. -- Clambering through the bush on one of Indonesias Lesser Sunda Islands suddenly you spy a Komodo dragon in the clearing ahead. Forked tongue flickering; sharp saw-like teeth glimmering; and strong scaly body stretching up to [--] meters Komodo dragons are formidable. So what should you do Are you doomed Achmad Ariefiandy shares what we know about the world's largest lizards. Lesson by Achmad Ariefiandy directed by"
YouTube Link 2025-05-20T15:00Z 22.4M followers, 903.7K engagements

"The Egyptian Book of the Dead: A guidebook for the underworld - Tejal Gala View full lesson: http://ed.ted.com/lessons/the-egyptian-book-of-the-dead-tejal-gala Ancient Egyptians believed that in order to become immortal after death a spirit must first pass through the underworld a realm of vast caverns lakes of fire and magical gates. Needless to say one needed to come prepared. But how Tejal Gala describes an Egyptian "Book of the Dead" -- a customized magic scroll written by the living to promote a smooth passage to the afterlife when they died. Lesson by Tejal Gala animation by Silvia"
YouTube Link 2016-10-31T15:12Z 22.4M followers, 7.9M engagements

"What is love - Brad Troeger View full lesson: http://ed.ted.com/lessons/what-is-love-brad-troeger Is love a signal winding through your neural pathways A cliche A cult Love is easy to compare but difficult to define maybe because we're fundamentally biased; we try to define love while falling in or out of it. And love feels differently to every person who feels it but this subjective emotion has evolutionary explanations too. Brad Troeger takes a shot at the definition of love. Lesson by Brad Troeger animation by STK Films. Brad Troeger STK Films love what is love TED TED-Ed TED Ed"
YouTube Link 2013-09-09T15:10Z 22.4M followers, 1.9M engagements

"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, 588.2K engagements

"How one of the most profitable companies in history rose to power - Adam Clulow Discover what happened when one company's attempt to dominate a key global trade ended in violence. -- During the 17th century the Dutch East India Company cornered the booming spice market and pioneered trade routes between Asia and Europe. It is widely considered the most profitable corporation ever created. But such success came with an overwhelming cost in human life. Adam Clulow sheds light on the Dutch East India Companys invasion and genocide of Indonesia's Banda Islands. Lesson by Adam Clulow directed by"
YouTube Link 2021-12-09T16:00Z 22.4M followers, 942.4K 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

"How to manage your emotions Explore the framework known as the Process Model a psychological tool to help you identify understand and regulate your emotions. -- After a week of studying you feel confident that you'll ace your exam. But when you get your grade back it's much lower than you expected. Youre devastated and the disappointment is hard to shake. Should you be trying to look on the bright side And is controlling your emotions even possible Explore techniques to help you identify understand and regulate your emotions. Directed by Daniel Stankler. This video made possible in"
YouTube Link 2023-02-16T16:01Z 22.4M followers, 3.1M engagements

"Why should you read Crime and Punishment - Alex Gendler Download a free audiobook version of "Crime and Punishment" 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/crime-and-punishment -- What drives someone to kill in cold blood What goes through the murderers mind And what kind of a society breeds such people Over [---] years ago Fyodor Mikhailovich Dostoyevsky took these questions up in what would become one of the best-known works of Russian literature: Crime and Punishment. Alex Gendler digs"
YouTube Link 2019-05-14T15:01Z 22.4M followers, 6.1M 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

"How many ways are there to prove the Pythagorean theorem - Betty Fei Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-many-ways-are-there-to-prove-the-pythagorean-theorem-betty-fei What do Euclid 12-year-old Einstein and American President James Garfield have in common They all came up with elegant proofs for the famous Pythagorean theorem one of the most fundamental rules of geometry and the basis for practical applications like constructing stable buildings and triangulating GPS coordinates. Betty Fei details these three famous"
YouTube Link 2017-09-11T15:00Z 22.4M followers, 4M engagements

"Whats the best way to lift people out of poverty Explore different poverty intervention and aid programs and how direct cash giving can address a community's needs. -- In [----] a nonprofit gave every adult in the Ahenyo village $500. Most families had lived in extreme poverty for generations and this sum was roughly equivalent to their annual salaries. The money came with no strings attached to how it could be spent. Would this lift villagers out of poverty or be another failed philanthropic endeavor Explore aid programs and how they address people's needs. Directed by Jolene Tan. Support Our"
YouTube Link 2025-10-23T15:01Z 22.4M followers, 1M engagements

"Platos best (and worst) ideas - Wisecrack View full lesson: http://ed.ted.com/lessons/plato-s-best-and-worst-ideas-wisecrack Check out Wisecrack's YouTube channel here: https://goo.gl/A5vb5K Few individuals have influenced the world and many of todays thinkers like Plato. He created the first Western university and was teacher to Ancient Greeces greatest minds including Aristotle. But even he wasnt perfect. Along with his great ideas Plato had a few that havent exactly stood the test of time. Wisecrack gives a brief rundown of a few of Platos best and worst ideas. Lesson by Wisecrack"
YouTube Link 2016-10-25T15:01Z 22.4M followers, 5.1M engagements

"Cell membranes are way more complicated than you think - Nazzy Pakpour Check out TED-Ed's Tumblr: http://teded.tumblr.com/ View full lesson: https://ed.ted.com/lessons/cell-membranes-are-way-more-complicated-than-you-think-nazzy-pakpour Cell membranes are structures of contradictions. These oily films are hundreds of times thinner than a strand of spider silk yet strong enough to protect the delicate contents of life: the cells watery cytoplasm genetic material organelles and all the molecules it needs to survive. How does the membrane work and where does that strength come from Nazzy Pakpour"
YouTube Link 2017-08-21T15:01Z 22.4M followers, 1M engagements

"The tale of the brothers who outwitted the demon queen - Malay Bera Dig into the Bengali tale of brothers Neelkamal and Lalkamal two princes seeking to end the reign of demons in their kingdom. -- Achinpur was on the precipice of demonic takeover. A mysterious woman beguiled the king and infiltrated the royal family. But she wasnt human; under her beautiful faade lurked an insatiable appetite for flesh. One night the demon queen devoured the king's sons but the princes managed to evade death. Malay Bera shares the tale of their quest to free the kingdom from the scourge of demons. Lesson by"
YouTube Link 2025-03-04T16:00Z 22.4M followers, 533.8K engagements

"The rights you might not realize you have - Shannon Odell Do you have a right to a healthy planet Dig into the movement to hold governments accountable for climate change inaction. -- Since [----] an unprecedented movement has been sweeping courts around the world. Groups of young plaintiffs are suing their governments for their inaction on tackling climate change. These suits argue that climate inaction violates their basic human rights. But what do human rights have to do with the environment Shannon Odell examines our right to a healthy environment food health and water. Lesson by Shannon"
YouTube Link 2023-12-07T16:01Z 22.4M followers, 511.4K engagements

"Insights into cell membranes via dish detergent - Ethan Perlstein View full lesson: http://ed.ted.com/lessons/insights-into-cell-membranes-via-dish-detergent-ethan-perlstein The cell membrane like a good jacket protects the cell from everything outside of it. How is it simultaneously sturdy flexible and capable of allowing the right things to pass through Ethan Perlstein rediscovers the scientists and their research that have changed the way we study the membrane and the cell as a whole. Lesson by Ethan Perlstein animation by TED-Ed. cell cell membrane Ethan Perlstein TEDEducation TED-Ed TED"
YouTube Link 2013-02-26T16:05Z 22.4M followers, 272.9K 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, 774.9K 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, 468.6K engagements

"The greatest mathematician that never lived - Pratik Aghor Dig into the mystery of Nicolas Bourbaki one of the most influential mathematicians of all time who never actually existed. -- When Nicolas Bourbaki applied to the American Mathematical Society in the 1950s he was already one of the most influential mathematicians of his time. Hed published articles in international journals and his textbooks were required reading. Yet his application was firmly rejected for one simple reason: Nicolas Bourbaki did not exist. How is that possible Pratik Aghor digs into the mystery. Lesson by Pratik"
YouTube Link 2020-07-06T15:00Z 22.4M followers, 2.9M engagements

"How do US Supreme Court justices get appointed - Peter Paccone View full lesson: http://ed.ted.com/lessons/how-do-us-supreme-court-justices-get-appointed-peter-paccone Theres a job out there with a great deal of power pay prestige and near-perfect job-security. And theres only one way to be hired: get appointed to the US Supreme Court. But how do US Supreme Court Justices actually get that honor Peter Paccone outlines the difficult process of getting a seat on the highest bench in the country. Lesson by Peter Paccone animation by Globizco. TED-Ed TED TEDEducation TEDEd Peter Paccone Globizco"
YouTube Link 2016-11-17T16:11Z 22.4M followers, 1M engagements

"A different way to visualize rhythm - John Varney View full lesson: http://ed.ted.com/lessons/a-different-way-to-visualize-rhythm-john-varney In standard notation rhythm is indicated on a musical bar line. But there are other ways to visualize rhythm that can be more intuitive. John Varney describes the wheel method of tracing rhythm and uses it to take us on a musical journey around the world. Lesson by John Varney animation by TED-Ed. John Varney Biljana Labovic Peyton Harrison TED-Ed TED Ed TED TEDEducation rhythm music standard notation how to visualize rhythm wheel mythod world music"
YouTube Link 2014-10-20T15:27Z 22.4M followers, 2.7M engagements

"The trillion dollar paradox - George Zaidan Explore the possibility of transitioning to a green economy and if the trillion-dollar up-front cost is worth the investment. -- Global warming is very very expensive: extreme weather rising sea levels crop failures health issues and industry disruptions all cost money. So whats the best way forward Is the estimated trillion-dollar price tag that comes with transitioning the world to clean energy worth the cost of investment George Zaidan explores what it would take to become a green economy. Lesson by George Zaidan directed by Sofia Pashaei. This"
YouTube Link 2025-05-27T15:00Z 22.4M followers, 410.8K engagements

"5 myths about Vikings that everyone believes - Stephanie H. Smith Explore the [--] most common misconceptions about the Viking Age and find out what living as a Viking was actually like. -- The Viking Age. When medieval horn-helmeted Scandinavian men ravaged Europe scribbling mysterious runes and toasting their victories in goblets forged from enemy skulls before bidding farewell in fiery funerals. Except thats not quite how it went. So what were the Vikings actually like Stephanie H. Smith debunks common misconceptions about the time period. Lesson by Stephanie H. Smith directed by Avi Ofer."
YouTube Link 2026-02-03T16:01Z 22.4M followers, 160.8K engagements

"What happens during a heart attack - Krishna Sudhir View full lesson: http://ed.ted.com/lessons/what-happens-during-a-heart-attack-krishna-sudhir Approximately seven million people around the world die from heart attacks every year. And cardiovascular disease which causes heart attacks and other problems like strokes is the worlds leading killer. So what causes a heart attack Krishna Sudhir examines the leading causes and treatments of this deadly disease. Lesson by Krishna Sudhir animation by Chadwick Whitehead. TED TED-Ed TED Ed TED Education Krishna Sudhir Chadwick Whitehead heart attack"
YouTube Link 2017-02-14T16:05Z 22.4M followers, 9M engagements

"Why do we eat popcorn at the movies - Andrew Smith Trace the history of popcorn from its origins in the Americas to its explosion of popularity in the 20th century. -- Soft percussion and a toasty scent mark the violent transformation of tough seeds into cloud-like puffs. This is the almost magical process of popcorn-making. Dozens of kinds of popcorn are now grown in the US with different strains assuming distinctive shapes when their kernels explode. So how did we actually end up with this whimsical food Andrew Smith traces the history of popcorn. Lesson by Andrew Smith directed by"
YouTube Link 2023-04-20T15:00Z 22.4M followers, 1.5M engagements

"The beauty of data visualization - David McCandless View full lesson: http://ed.ted.com/lessons/david-mccandless-the-beauty-of-data-visualization David McCandless turns complex data sets like worldwide military spending media buzz and Facebook status updates into beautiful simple diagrams that tease out unseen patterns and connections. Good design he suggests is the best way to navigate information glut -- and it may just change the way we see the world. Talk by David McCandless. TEDEducation TED-Ed TED Ed David McCandless design data data visualization Facebook media set TEDEducation TED-Ed"
YouTube Link 2012-11-23T17:14Z 22.4M followers, 1.6M engagements

"Does "The Wonderful Wizard of Oz" have a hidden message - David B. Parker View full lesson: http://ed.ted.com/lessons/does-the-wonderful-wizard-of-oz-have-a-hidden-message-david-b-parker In his introduction to The Wonderful Wizard of Oz L. Frank Baum claims that the book is simply an innocent childrens story. But some scholars have found hidden criticisms of late-nineteenth-century economic policies in the book. Is it possible that one of Americas favorite childrens stories is also a subversive parable David B. Parker investigates the text for clues. Lesson by David B. Parker animation by Avi"
YouTube Link 2017-03-06T16:07Z 22.4M followers, 1.8M engagements

"Can saunas make you live longer - Max G. Levy Explore how saunas can affect your body and dig into the health benefits and limitations of this millennia-old tradition. -- Finnish sauna Roman balneae Japanese onsen and Indigenous American sweat lodges are just a few examples of how cultures across the globe have long considered exposure to extreme temperatures therapeutic. But today scientists are only just beginning to unravel how and why this may be the case. So what exactly is happening in your body when you feel the heat Max G. Levy investigates. Lesson by Max G. Levy directed by Noam"
YouTube Link 2025-08-21T15:00Z 22.4M followers, 1.3M engagements

"Can you outsmart the fallacy that fooled a generation of doctors - Elizabeth Cox Dig into the false cause fallacy which assumes that one event causes another and learn how to distinguish between correlation and causation. -- Its [----] and a debate is raging about one of the most common killers of women: childbed fever no one knows what causes it. One physician has observed patients with inflammation go on to develop childbed fever and therefore believes the inflammation causes the fever. What's the problem with this argument Elizabeth Cox explores the false cause fallacy and how to dissect"
YouTube Link 2020-08-10T15:00Z 22.4M followers, 1.9M engagements

"Why do some people go bald - Sarthak Sinha View full lesson: http://ed.ted.com/lessons/why-do-some-people-go-bald-sarthak-sinha What do Charles Darwin Michael Jordan and Yoda have in common They like many other historical and fictive individuals are bald. Scientists have long pondered why do some people lose their hair and how can we bring it back Sarthak Sinha explores the basics of baldness. Lesson by Sarthak Sinha animation by Brett Underhill. TED TED-Ed TED Education Baldness Michael Jordan Yoda Darwin Socrates Hair Hair loss Hair plugs Hair growth Mullet Perm Combover Donald Trump"
YouTube Link 2015-08-25T15:08Z 22.4M followers, 3.5M engagements

"Become a slam poet in five steps - Gayle Danley View full lesson: http://ed.ted.com/lessons/become-a-slam-poet-in-five-steps-gayle-danley With enough passion and practice becoming a slam poet is within your reach. Explore a distant memory on paper then read it out loud. Edit. Try reading it out loud again and add your finishing touches. Gayle Danley offers five steps to being a slam poet -- while being downright poetic in the process. Lesson by Gayle Danley animation by TED-Ed. Gayle Danley Pages D. Matam Jeremiah Dickey Godfrey Hibbert poetry poet poem slam slam poetry poet how to be write"
YouTube Link 2013-03-27T15:04Z 22.4M followers, 882.9K engagements

"Why don't perpetual motion machines ever work - Netta Schramm Check out our Patreon page: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/why-don-t-perpetual-motion-machines-ever-work-netta-schramm Perpetual motion machines devices that can do work indefinitely without any external energy source have captured many inventors imaginations because they could totally transform our relationship with energy. Theres just one problem: they dont work. Why not Netta Schramm describes the pitfalls of perpetual motion machines. Lesson by Netta Schramm animation by TED-Ed. TED"
YouTube Link 2017-06-05T15:00Z 22.4M followers, 17.8M engagements

"When are you actually an adult - Shannon Odell Explore how scientists define adulthood and find out if theres a specific age at which we reach maturity. -- Most countries recognize [--] as the start of adulthood by granting various freedoms and privileges. Yet theres no exact age or moment in development that we can point to as having reached full maturity. If theres no consensus on exactly when we reach maturity when do we actually become adults Shannon Odell shares how scientists define adulthood using stages of brain development. Lesson by Shannon Odell directed by Biljana Labovi. This video"
YouTube Link 2023-01-19T16:01Z 22.4M followers, 830.7K engagements

"The infamous JoJo thought experiment - Michael Vazquez and Sarah Stroud Puzzle through this classic ethical dilemma and decide: does your upbringing affect your moral responsibility for your actions -- Jo the First is a ruthless dictator who rules with an iron fist. To most onlookers his rule appears cruel and unjust. But for his beloved son JoJo this life is all hes ever known and he grows up to inherit his fathers role and style of rule. Given JoJos unusual upbringing does he bear full moral responsibility for his actions Michael Vazquez and Sarah Stroud dig into this ethical dilemma."
YouTube Link 2026-01-20T16:01Z 22.4M followers, 761.8K engagements

"The rise and fall of the Lakota Empire - Pekka Hmlinen Trace the rise and fall of the Lakota Empire which at their height were the most dominant power in the American West. -- In [----] a powerful empire was born in North America. The Lakotas had reached the Black Hills the most sacred place and most coveted buffalo hunting grounds in the western plains. Located in what is now South Dakota control of the Black Hills or Paha Sapa marked the tribe as the dominant power in the American West. Pekka Hmlinen explores the rise and fall of the Lakota Empire. Lesson by Pekka Hmlinen directed by Mohammad"
YouTube Link 2021-09-07T15:01Z 22.4M followers, 674.8K engagements

"The exceptional life of Benjamin Banneker - Rose-Margaret Ekeng-Itua View full lesson: http://ed.ted.com/lessons/the-exceptional-life-of-benjamin-banneker-rose-margaret-ekeng-itua Born in [----] to formerly enslaved parents on a farm in Baltimore Benjamin Banneker was obsessed with math and science. And his appetite for knowledge only grew as he taught himself astronomy mathematics engineering and the study of the natural world. Rose-Margaret Ekeng-Itua details the numerous accomplishments of Benjamin Banneker. Lesson by Rose-Margaret Ekeng-Itua animation by Jun Zee Myers. Benjamin Banneker"
YouTube Link 2017-02-16T15:59Z 22.4M followers, 750.7K engagements

"History vs. Genghis Khan - Alex Gendler Check out our Patreon page: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/history-vs-genghis-khan-alex-gendler He was one of the most fearsome warlords who ever lived waging an unstoppable conquest across the Eurasian continent. But was Genghis Khan a vicious barbarian or a unifier who paved the way for the modern world Alex Gendler puts this controversial figure on trial in History vs Genghis Khan. Lesson by Alex Gendler animation by Brett Underhill. Alex Gendler Brett Underhill Genghis Khan Mongolia Mongolian empire"
YouTube Link 2015-07-02T15:13Z 22.4M followers, 7.2M engagements

"How often should you get a flu shot - Melvin Sanicas Why do we need flu shots every year Dig into the science of flu viruses and what makes them different from other diseases. -- All year long researchers at hospitals around the world collect samples from flu patients and send them to top virology experts with one goal: to design the vaccine for the next flu season. But why do we need a new one every year Vaccines for diseases like mumps and rubella offer a lifetime of protection with two shots early in life; whats so special about the flu Melvin Sanicas explains. Lesson by Melvin Sanicas"
YouTube Link 2017-11-20T16:04Z 22.4M followers, 1M engagements

"Why cant governments print an unlimited amount of money - Jonathan Smith Explore the economic strategy of quantitative easing where a central bank purchases bonds in order to boost the economy. -- In March [----] the COVID-19 pandemic rocked economies worldwide. Millions of people lost their jobs and many businesses struggled to survive or shut down. Governments responded with some of the largest economic relief packages in history the US alone spent $2.2 trillion on a first round of relief. So where did all this money come from Jonathan Smith explores the strategy of quantitative easing."
YouTube Link 2021-07-15T15:00Z 22.4M followers, 1M engagements

"Can you survive nuclear fallout - Brooke Buddemeier and Jessica S. Wieder Explore the possibility of surviving a nuclear explosion and dig into a scientifically supported plan of action in case of a detonation. -- Nuclear weapons are some of the most powerful tools of destruction on Earth and the full scope of a nuclear detonation is almost unimaginable. However there is a scientifically supported plan of action that could save thousands of lives. What is this plan and what exactly would it protect us from Brooke Buddemeier and Jessica S. Wieder explore the possibility of surviving nuclear"
YouTube Link 2019-01-08T16:01Z 22.4M followers, 2.2M engagements

"The myth of Cupid and Psyche - Brendan Pelsue Check out TED-Ed's Patreon page https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-myth-of-cupid-and-psyche-brendan-pelsue Psyche was born so beautiful that she was worshipped as a new incarnation of Venus the goddess of love. But human lovers were too intimidated to approach her and Apollo recommended her father abandon her on a crag where she would marry a cruel and savage serpent-like winged evil. But Psyches story ended up being much more interesting. Brendan Pelsue shares the myth of Cupid and Psyche. Lesson by"
YouTube Link 2017-08-03T15:02Z 22.4M followers, 10.6M engagements

"The difference between classical and operant conditioning - Peggy Andover View full lesson: http://ed.ted.com/lessons/the-difference-between-classical-and-operant-conditioning-peggy-andover Why is it that humans react to stimuli with certain behaviors Can behaviors change in response to consequences Peggy Andover explains how the brain can associate unrelated stimuli and responses proved by Ivan Pavlov's famous [----] experiments and how reinforcement and punishment can result in changed behavior. Lesson by Peggy Andover animation by Alan Foreman. Ivan Pavlov Pavlov Pavlov dog Alan Foreman"
YouTube Link 2013-03-07T16:06Z 22.4M followers, 3.7M engagements

"How is power divided in the United States government - Belinda Stutzman View full lesson: http://ed.ted.com/lessons/how-is-power-divided-in-the-united-states-government-belinda-stutzman Article II of the United States Constitution allows for three separate branches of government (legislative executive and judicial) along with a system of checks and balances should any branch get too powerful. Belinda Stutzman breaks down each branch and its constitutionally-entitled powers. Lesson by Belinda Stutzman animation by Johnny Chew. branches of government government USA America United States History"
YouTube Link 2013-04-12T17:26Z 22.4M followers, 4M engagements

"Newton's [--] Laws with a bicycle - Joshua Manley Watch full lesson here: http://ed.ted.com/lessons/joshua-manley-newton-s-3-laws-with-a-bicycle Why would it be hard to pedal a [-----] pound bicycle This simple explanation shows how Newton's [--] laws of motion might help you ride your bike. Newton's Laws Joshua Manley TED TED Ed TED-Ed TEDEdcuation TED Education bicycle bike inertia laws of motion Newton's Laws Joshua Manley TED TED Ed TED-Ed TEDEdcuation TED Education bicycle bike inertia laws of motion"
YouTube Link 2012-09-19T15:02Z 22.4M followers, 2.7M engagements

"The Egyptian myth of Isis and the seven scorpions - Alex Gendler Dive into the Egyptian myth of Isis a powerful goddess protecting her son from her murderous brother with the help of seven scorpions. -- A woman in rags emerged from a swamp flanked by seven giant scorpions and approached a magnificent mansion to beg for food. But the mistress of the house took one look at her grimy clothes and unusual companions and slammed the door in her face. Little did the mistress know the woman was no ordinary beggar but the most powerful goddess in Egypt. Alex Gendler details the myth of Isis. Lesson by"
YouTube Link 2020-03-02T15:59Z 22.4M followers, 2.7M engagements

"What is schizophrenia - Anees Bahji Discover what we know and dont know about the symptoms causes and treatments of schizophrenia. -- Schizophrenia was first identified more than a century ago but we still dont know its exact causes. It remains one of the most misunderstood and stigmatized illnesses today. So what do we actually know about its symptoms causes and treatments Anees Bahji investigates. Lesson by Anees Bahji directed by Artrake Studio. Animator's website: https://www.artrake.com/ Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Support us on Patreon:"
YouTube Link 2020-03-26T15:00Z 22.4M followers, 11.7M engagements

"Would you take the road less traveled #shorts An excerpt of our animated interpretation of Robert Frost's poem "The Road Not Taken" directed by Ellen Su. 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 #shorts"
YouTube Link 2023-01-27T21:31Z 22.4M followers, 494.3K engagements

"How bacteria "talk" - Bonnie Bassler View full lesson: http://ed.ted.com/lessons/how-bacteria-talk-bonnie-bassler Bonnie Bassler discovered that bacteria "talk" to each other using a chemical language that lets them coordinate defense and mount attacks. The find has stunning implications for medicine industry -- and our understanding of ourselves. Talk by Bonnie Bassler. TED TED Talk TEDEducation TED-Ed Ed TED TED Talk TEDEducation TED-Ed Ed"
YouTube Link 2013-02-09T16:22Z 22.4M followers, 727.2K engagements

"Can you still feel a limb that's gone - Joshua W. Pate Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-fascinating-science-of-phantom-limbs-joshua-w-pate The vast majority of people whove lost a limb can still feel it not as a memory or vague shape but in complete lifelike detail. They can flex their phantom fingers and sometimes even feel the chafe of a watch band or the throb of an ingrown toenail. What causes these phantom limb sensations Joshua W. Pate explains how the brain reacts to a missing limb. Lesson by Joshua W. Pate"
YouTube Link 2018-10-04T15:00Z 22.4M followers, 902.7K engagements

"The myth of Ireland's most infamous love triangle - Iseult Gillespie Dig into the tragic myth of Tristan and Princess Isolde and how they fall in love despite her being promised to another. -- After witnessing a bird carrying a single golden hair King Mark of Cornwall declared his future bride must have equally radiant locks. The only royal matching this description was Princess Isolde of Ireland. So the king sent Tristan his bravest knight to extend an olive branch to the royal family and deliver his proposal of marriage. Iseult Gillespie shares the tale of Tristan and Isolde. Lesson by"
YouTube Link 2025-02-11T16:00Z 22.4M followers, 483.5K engagements

"How do you know you exist - James Zucker View full lesson: http://ed.ted.com/lessons/how-do-you-know-you-exist-james-zucker How do you know youre real Is existence all just a big dream Has some mad scientist duped us into simply believing that we exist James Zucker investigates all of these questions (and more) in this mind-boggling tribute to Ren Descartess "Meditations on First Philosophy." Lesson by James Zucker animation by Stretch Films Inc. James Zucker Stretch Films Descartes Rene Descartes Meditations On First Philosophy (Book) philosophy existence Existentialism (Literary School Or"
YouTube Link 2014-08-14T15:21Z 22.4M followers, 2.6M engagements

"The myth of Jason Medea and the Golden Fleece - Iseult Gillespie Follow Jason as he attempts to steal the Golden Fleece from King Aeetes and enlists the help of the king's daughter Medea. (Part Two of the myth of Jason and the Argonauts) -- In Colchis the hide of a mystical flying ram hangs from the tallest oak guarded by a dragon who never sleeps. The only way Jason can pry it from King Aeetes clutches and win back his promised throne is by facing three perilous tasks without the help of the Argonauts. Unbeknownst to the king his daughter Medea was plotting something. Iseult Gillespie shares"
YouTube Link 2020-07-21T14:59Z 22.4M followers, 1.5M engagements

"What is consciousness - Michael S. A. Graziano Explore the theories of human consciousness and the science of how your brain works to create a conscious experience. -- Patient P.S. suffered a stroke that damaged the right side of her brain leaving her unaware of everything on her left side. If someone threw a ball at her left side she might duck. But she wouldnt have awareness of the ball or know why she ducked. Where does consciousness come from Michael Graziano explores the question that has vexed scientists and philosophers for centuries. Lesson by Michael S. A. Graziano directed by"
YouTube Link 2019-02-11T16:01Z 22.4M followers, 1.7M engagements

"Can you solve the prisoner hat riddle - Alex Gendler View full lesson: http://ed.ted.com/lessons/can-you-solve-the-prisoner-hat-riddle-alex-gendler Want more Try the buried treasure riddle: https://www.youtube.com/watchv=tCeklW2e6_E You and nine other individuals have been captured by super-intelligent alien overlords. The aliens think humans look quite tasty but their civilization forbids eating highly logical and cooperative beings. Unfortunately theyre not sure whether you qualify so they decide to give you all a test. Can you solve this hat riddle Alex Gendler shows how. Lesson by Alex"
YouTube Link 2015-10-05T15:13Z 22.4M followers, 35.1M engagements

"3 things that can cause painful periods - Chen X. Chen Dig into the science of what makes period cramps so painful and find out what we still dont know about this common experience. -- Period pain affects hundreds of millions of people. Anywhere from [--] to 90% of people who menstruate deal with painful abdominal or pelvic cramps during their period. Individual experiences can vary from mild discomfort to throbbing aches to contraction-like cramps that rival the pain of labor. So why do menstrual cramps hurt so much Chen X. Chen explains this surprisingly common experience. Lesson by Chen X."
YouTube Link 2026-02-12T16:00Z 22.4M followers, 149.1K engagements

"Mansa Musa one of the wealthiest people who ever lived - Jessica Smith Check out our Patreon page: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/mansa-musa-one-of-the-wealthiest-people-who-ever-lived-jessica-smith Mansa Musa the 14th century African king of the Mali Empire is said to have amassed a fortune that possibly made him one of the wealthiest people who ever lived. Jessica Smith tells the story of how Mansa Musa literally put his empire and himself on the map. Lesson by Jessica Smith animation by Sandro Katamashvili. TED TEDx TED-Ed TED Education Mansa Musa"
YouTube Link 2015-05-18T15:19Z 22.4M followers, 8.8M engagements

"Can we eat to starve cancer - William Li View full lesson: http://ed.ted.com/lessons/can-we-eat-to-starve-cancer-william-li William Li presents a new way to think about treating cancer and other diseases: anti-angiogenesis preventing the growth of blood vessels that feed a tumor. The crucial first (and best) step: Eating cancer-fighting foods that cut off the supply lines and beat cancer at its own game. Talk by WIlliam Li. William Li TED TED Talk TED-Ed TEDEducation TED Ed cancer tumor growth cancer spread eating nutrition health William Li TED TED Talk TED-Ed TEDEducation TED Ed cancer"
YouTube Link 2014-04-08T21:03Z 22.4M followers, 3.7M engagements

"How to speed up chemical reactions (and get a date) - Aaron Sams View full lesson: http://ed.ted.com/lessons/how-to-speed-up-chemical-reactions-and-get-a-date The complex systems of high school dating and chemical reactions may have more in common than you think. Explore five rules for speeding up chemical reactions in the lab that might just land you a date to a dance Lesson by Mark Paricio & Aaron Sams animation by Cognitive Media. Aaron Sams TED TED-Ed chemistry chemical reaction catalyst lab reaction science Cognitive Media TED Education Aaron Sams TED TED-Ed chemistry chemical reaction"
YouTube Link 2012-06-18T14:20Z 22.4M followers, 2.4M engagements

"Can you solve the vampire hunter riddle - Dan Finkel Youre a vampire hunter entering the enemys lair. Can you outsmart this tricky brainteaser and vanquish the vampires -- Youve stealthily descended into the darkness of a vampire cave setting a sequence of mirrors as you go. When the sun reaches the right angle in the sky a beam of light will ricochet along the mirrors strike a diffuser and illuminate the great chamber where the vampires sleep. Can you place the diffuser correctly and flood the lair with sunlight Dan Finkel shows how. Lesson by Dan Finkel directed by Artrake Studio. Sign up"
YouTube Link 2019-01-28T16:01Z 22.4M followers, 3.6M engagements

"How to write descriptively - Nalo Hopkinson View full lesson: http://ed.ted.com/lessons/how-to-write-fiction-that-comes-alive-nalo-hopkinson The point of fiction is to cast a spell a momentary illusion that you are living in the world of the story. But as a writer how do you suck your readers into your stories in this way Nalo Hopkinson shares some tips for how to use language to make your fiction really come alive. Lesson by Nalo Hopkinson animation by Enjoyanimation. TED TED-Ed TEDx TED Education Fiction Literature Nalo Hopkinson English literature Prose Writing Tactile language Non-tactile"
YouTube Link 2015-11-16T16:37Z 22.4M followers, 5.9M engagements

"If you had the chance to be immortal would you take it - Sarah Stroud and Michael Vazquez Explore different philosophers ideas on immortality and dig into their theories about the positives and negatives of eternal life. -- While cleaning out your uncles attic you find a chest with a sparkling potion. The attached tag declares drinking this liquid will make you immortal. Your body will be frozen at its current age and these effects would be final and irreversible. The instructions are clear the only question is do you drink the potion Sarah Stroud and Michael Vazquez explore this"
YouTube Link 2025-09-11T15:01Z 22.4M followers, 1.6M engagements

"How to spot a pyramid scheme - Stacie Bosley Learn the techniques and tricks that pyramid schemes use to recruit new members and how to avoid being fooled yourself. -- In [----] a nutrition company offered a life-changing opportunity to earn a full-timeincome for part-time work. There were only two steps to get started: purchase a $500 kit and recruit two more members. By [----] the company was making $200 million. There was just one problem -- the vast majority of members earned less than they paid in. Stacie Bosley explains what a pyramid scheme is and how to spot one. Lesson by Stacie Bosley"
YouTube Link 2019-04-02T15:00Z 22.4M followers, 6.4M engagements

"3 tips on how to study effectively Explore how the brain learns and stores information and find out how to apply this for more effective study techniques. -- A [----] study took a class of surgical residents and split them into two groups. Each received the same study materials but one group was told to use specific study methods. When tested a month later this group performed significantly better than the other residents. So what were these methods Explore how the brain learns and stores information and how to apply this to your study habits. Directed by Biljana Labovi. Animation by Laura"
YouTube Link 2023-10-12T15:01Z 22.4M followers, 8.1M engagements

"How ancient art influenced modern art - Felipe Galindo View full lesson: http://ed.ted.com/lessons/how-ancient-art-influenced-modern-art-felipe-galindo The term modern art sounds like it means art that is popular now but the style actually originated over [---] years ago and includes artists like Picasso Matisse and Gauguin. Whats more ironic is that this movement they pioneered considered revolutionary at the time was inspired largely by objects of traditional and ancient design. Felipe Galindo details ancient influences on modern art. Lesson by Felipe Galindo animation by TED-Ed. TED-Ed TED"
YouTube Link 2016-02-25T16:02Z 22.4M followers, 434.4K engagements

"A brief history of banned numbers - Alessandra King Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/a-brief-history-of-banned-numbers-alessandra-king They say the pen is mightier than the sword and authorities have often agreed. From outlawed religious tracts and revolutionary manifestos to censored and burned books we know the potential power of words to overturn the social order. But as strange as it may seem some numbers have also been considered dangerous enough to ban. Alessandra King details the history behind illegal numbers."
YouTube Link 2017-09-26T15:01Z 22.4M followers, 3M engagements

"Why dont we cover the desert with solar panels - Dan Kwartler Explore what would happen if we covered the Sahara Desert in solar panels and the possibility of it solving our energy crisis. -- Stretching over roughly nine million square kilometers and with sands reaching temperatures of up to [--] Celsius the Sahara Desert receives about [--] million terawatt hours of energy from the Sun every year. Thats well over [---] times more energy than humanity consumes annually. So could covering the desert with solar panels solve our energy problems Dan Kwartler digs into the possibility. Lesson by Dan"
YouTube Link 2021-10-18T14:59Z 22.4M followers, 5.6M engagements

"The machine that changed our understanding of human history - Max G. Levy Learn more at https://brilliant.org/TedEd -- In [----] Greek divers stumbled upon a 2000-year-old shipwreck whose contents would shake our understanding of the ancient world. Among the remains were fragments of mangled wood and corroded metal which archaeologists soon realized were parts of the oldest geared device ever discovered and humankinds first computer. So how did it work Max G. Levy explains the Antikythera mechanism. Lesson by Max G. Levy directed by Vicente Numpaque Hernando Bahamon Globizco Studios. This video"
YouTube Link 2026-02-10T16:01Z 22.4M followers, 139.2K engagements

"What really happens to the plastic you throw away - Emma Bryce View full lesson: http://ed.ted.com/lessons/what-really-happens-to-the-plastic-you-throw-away-emma-bryce Weve all been told that we should recycle plastic bottles and containers. But what actually happens to the plastic if we just throw it away Emma Bryce traces the life cycles of three different plastic bottles shedding light on the dangers these disposables present to our world. Lesson by Emma Bryce animation by Sharon Colman. Emma Bryce Plastic Bottle Earth science Environment Water bottle Oil Petroleum Chemistry Monomer"
YouTube Link 2015-04-21T15:03Z 22.4M followers, 5.5M engagements

"The tragedy of the one guy who was right about the Trojan Horse - Noah Charney Explore the famous depictions of the tale of Laocon who the gods punished for warning the Trojans about the Greeks' wooden horse. -- Laocon a seer and priest was deeply suspicious of the enormous wooden horse that the Greeks left in Troy and cautioned the Trojans not to accept this strange offering. But their fate was already sealed the gods granted the Greeks victory and punished the priest for threatening their success. Noah Charney explores how Laocons tragic tale inspired countless artists across the ancient"
YouTube Link 2024-08-22T15:01Z 22.4M followers, 597.9K engagements

"Can you solve the private eye riddle - Henri Picciotto Practice more problem-solving at https://brilliant.org/TedEd -- As Numberlands best detective you thought youd seen it all. But the desiccated corpses of prominent natural numbers have been showing up all over the city. A lockdown is ordered from sundown to sunrise and its still not enough to stop what can only be described as a vampiric feeding frenzy. Can you figure out why the citizens of Numberland are being attacked Henri Picciotto shows how. Lesson by Henri Picciotto directed by Igor Coric Artrake Studio. Support Our Non-Profit"
YouTube Link 2022-04-26T15:01Z 22.4M followers, 1.8M engagements

"How false news can spread - Noah Tavlin Dive into the phenomenon known as circular reporting and how it contributes to the spread of false news and misinformation. -- In previous decades most news with global reach came from several major newspapers and networks with the resources to gather information directly. The speed with which information spreads now however has created the ideal conditions for something called circular reporting. Noah Tavlin sheds light on this phenomenon. Lesson by Noah Tavlin animation by Patrick Smith. Sign up for our newsletter: http://bit.ly/TEDEdNewsletter"
YouTube Link 2015-08-27T15:12Z 22.4M followers, 2.6M engagements

"Why do women have periods View full lesson: http://ed.ted.com/lessons/why-do-women-have-periods A handful of species on Earth share a seemingly mysterious trait: a menstrual cycle. Were one of the select few mammals on Earth that menstruate and we also do it more than any other animal even though its a waste of nutrients and can be a physical inconvenience. So wheres the sense in this uncommon biological process TED-Ed describes the history and evolution of menstruation. Lesson by TED-Ed animation by TED-Ed. Menstruation Menustruation cycle Human Period Pregnancy Reproductive health Uterus"
YouTube Link 2015-10-19T15:09Z 22.4M followers, 17.6M engagements

"How squids outsmart their predators - Carly Anne York Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-squids-outsmart-their-predators-carly-anne-york There are about [---] species of squid and they live in all the worlds oceans making them a reliable food source for whales dolphins sharks seabirds fish - and even other squid. As a result the squid's most extraordinary adaptations are those that have evolved to help them thwart these predators. Carly Anne York explains how these stealthy cephalopods have mastered deep sea survival."
YouTube Link 2018-05-14T15:02Z 22.4M followers, 3M engagements

"Building the world's largest (and most controversial) power plant - Alex Gendler Explore the creation of Chinas Three Gorges Dam and find out how the hydroelectric plant generates its power. -- In [----] a single power plant produced more energy than the worlds largest coal-powered and gas-powered plants combined. Chinas Three Gorges Dam relies on running water and is capable of producing more energy than any other power plant on Earth. So what allows Three Gorges to generate all this power And how do hydroelectric plants work in the first place Alex Gendler investigates. Lesson by Alex Gendler"
YouTube Link 2020-12-10T16:01Z 22.4M followers, 1.3M engagements

"Do you really need to take [-----] steps a day - Shannon Odell Discover the benefits of walking and how this simple exercise can positively impact the health of your body and brain. -- For years Jean Bliveau walked from country to country with the goal of circumnavigating the globe on foot. While few people have the time or desire to walk such extreme lengths research shows that adding even a modest amount of walking to your daily routine can dramatically improve your health. So what exactly happens to your body when you increase your step count Shannon Odell investigates. Lesson by Shannon"
YouTube Link 2025-01-02T16:01Z 22.4M followers, 9M engagements

"Why tragedies are alluring - David E. Rivas View full lesson: http://ed.ted.com/lessons/why-tragedies-are-alluring-david-e-rivas The story goes something like this: A royal rich or righteous individual who is otherwise a lot like us makes a mistake that sends his or her life spiraling into ruin. It's the classic story arc for a Greek tragedy and we love it so much that we continue to use it today. David E. Rivas shares three critical story components influenced by Aristotles Poetics to help illustrate the allure. Lesson by David E. Rivas animation by Globizco. Tragedy Tragic hero Greek"
YouTube Link 2015-07-09T15:12Z 22.4M followers, 753.5K engagements

"Where do math symbols come from - John David Walters Sign up for our newsletter here: https://ed.ted.com/newsletter View full lesson: https://ed.ted.com/lessons/where-do-math-symbols-come-from-john-david-walters Math is full of symbols: lines dots arrows English letters Greek letters superscripts subscripts . it can look like an illegible jumble. Where did all of these symbols come from John David Walters shares the origins of mathematical symbols and illuminates why theyre still so important in the field today. Lesson by John David Walters directed by Chris Bishop. Thank you so much to our"
YouTube Link 2017-10-30T15:02Z 22.4M followers, 2.7M engagements

"The wild world of carnivorous plants - Kenny Coogan Venus fly traps bladderworts and sundews oh my Learn about carnivorous plants and their predatory antics to lure trap and digest prey. -- Around the world there are more than [---] plant species that supplement a regular diet of sunlight water and soil with insects frogs and even rats. Flies tadpoles and beetles fall prey to the remarkable predatory antics of carnivorous plants. What exactly are carnivorous plants and how do they trap their prey Kenny Coogan dives into the world of these flesh-eating tricksters. Lesson by Kenny Coogan directed"
YouTube Link 2019-04-11T15:00Z 22.4M followers, 2.4M engagements

"Nature's fortress: How cacti keep water in and predators out - Lucas C. Majure Discover the adaptations that allow cacti to not only survive but thrive in some of the harshest desert climates on Earth. -- If you were a jackrabbit in the desert youd be glad to stumble across a cactus: the flesh of these plants is a water source for many animals. Known for their spines and succulent stems cacti of all shapes and sizes have evolved to not just survive but thrive in some of the harshest desert climates on Earth. So how do they do it Lucas C. Majure shares the prickly plants unique adaptations."
YouTube Link 2021-11-18T16:00Z 22.4M followers, 718.4K engagements

"How does impeachment work - Alex Gendler What exactly is impeachment and how does the process work Learn about the checks and balances put in place by the Constitution. -- For most jobs its understood that you can be fired whether for crime incompetence or just poor performance. But what if your job happens to be the most powerful position in the country or the world That's where impeachment comes in. But how does it work Alex Gendler details the process of impeachment. Lesson by Alex Gendler directed by Mark Phillips. Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Support us on"
YouTube Link 2017-08-24T15:00Z 22.4M followers, 2.3M engagements

"The dark history of Mount Rushmore - Ned Blackhawk and Jeffrey D. Means Uncover the hidden history of the building of Mount Rushmore and how its creation destroyed sacred Native American land. -- Between [----] and [----] workers blasted [------] tons of rock from a mountainside using chisels jackhammers and dynamite. Gradually they carved out Mount Rushmore. Today the monument draws nearly [--] million people to South Dakotas Black Hills every year. But its faade belies a dark history. Ned Blackhawk and Jeffrey D. Means explore the destruction of the sacred Six Grandfathers Mountain. Lesson by Ned"
YouTube Link 2021-12-16T16:00Z 22.4M followers, 894.2K engagements

"Uncovering the brain's biggest secret - Melanie E. Peffer Explore how a scientist and artist discovered how our brains transmit signals throughout the body and laid the foundation for modern neuroscience. -- In the 1860s scientists believed they were on the verge of uncovering the brains biggest secret: how the brains signals travel through the body. They believed these impulses travelled uninterrupted along a massive web of tissue. But soon a young artist would cut down this hypothesis and sketch a bold new vision of how our brains work. Melanie E. Peffer details the discoveries of Golgi and"
YouTube Link 2021-02-08T16:00Z 22.4M followers, 604.7K engagements

"The history of chocolate - Deanna Pucciarelli View full lesson: http://ed.ted.com/lessons/the-history-of-chocolate-deanna-pucciarelli If you cant imagine life without chocolate youre lucky you werent born before the 16th century. Until then chocolate only existed as a bitter foamy drink in Mesoamerica. So how did we get from a bitter beverage to the chocolate bars of today Deanna Pucciarelli traces the fascinating and often cruel history of chocolate. Lesson by Deanna Pucciarelli animation by TED-Ed. TED TED-Ed TED Ed TEDEducation chocolate history of chocolate cacao cacao bean cocoa bean"
YouTube Link 2017-03-16T16:54Z 22.4M followers, 11M engagements

"Why do you get a fever when you're sick - Christian Moro Discover what happens in your body when you have a fever and why its role in our immune response remains a mystery to scientists. -- There are many mysteries around fever but we do know that all mammals some birds and even a few invertebrate and plant species feel fevers heat. It has persisted for over [---] million years of evolution. But it has a significant cost: for every degree increase in temperature theres a 12.5% increase in energy required. So why and how does your body produce a fever Christian Moro investigates. Lesson by"
YouTube Link 2020-11-12T16:00Z 22.4M followers, 1.6M engagements

"Why do cats have vertical pupils - Emma Bryce Dive into the incredible diversity of animal pupils and how the different shapes indicate the animals role in an ecosystem. -- Peering into the eyes of different animals youll see some extraordinarily shaped pupils. House cats for one are twilight hunters with vertically elongated pupils. Many grazing animals like goats have rectangular pupils. Other animals have crescent- or heart-shaped pupils. So whats going on Why are there so many different pupil shapes Emma Bryce digs into the science of animal vision. Lesson by Emma Bryce directed by Blint"
YouTube Link 2022-01-13T16:00Z 22.4M followers, 3.9M engagements

"Where does gold come from - David Lunney View full lesson: http://ed.ted.com/lessons/where-does-gold-come-from-david-lunney Did you know that gold is extraterrestrial Instead of arising from our planets rocky crust it was actually cooked up in space and is present on Earth because of cataclysmic stellar explosions called supernovae. CERN Scientist David Lunney outlines the incredible journey of gold from space to Earth. Lesson by David Lunney animation by Andrew Foerster. TED TED-Ed TEDx TED Education Alchemy Gold David Lunney Chemistry Lead Science Origins of science Supernova Supernovae"
YouTube Link 2015-10-08T15:16Z 22.4M followers, 8.5M engagements

"The complicated history of surfing - Scott Laderman Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-complicated-history-of-surfing-scott-laderman Today surfing is a multi-billion-dollar global industry with tens of millions of enthusiasts worldwide. For some its a serious sport; for others just a way to let loose. But despite its casual association with fun and sun surfing has a richer and deeper history than many realize. Scott Laderman shares the hidden history of surfing. Lesson by Scott Laderman directed by Silvia Prietov. Thank"
YouTube Link 2017-11-16T16:00Z 22.4M followers, 1.7M engagements

"Why elephants never forget - Alex Gendler View full lesson: http://ed.ted.com/lessons/why-elephants-never-forget-alex-gendler Its a common saying that elephants never forget. But the more we learn about elephants the more it appears that their impressive memory is only one aspect of an incredible intelligence that makes them some of the most social creative and benevolent creatures on Earth. Alex Gendler takes us into the incredible unforgettable mind of an elephant. Lesson by Alex Gendler animation by Avi Ofer. TED-Ed TED Education TED Ed TED TEDx Elephants Poaching Animal intelligence Tusk"
YouTube Link 2014-11-13T16:02Z 22.4M followers, 9.3M engagements

"Where did Russia come from - Alex Gendler Trace the evolution of Russia from Kievan Rus to present day and find out how it became the biggest country in the world. -- Russia is the biggest country in the world spanning one-eighth of the Earths landmass. But where did it all begin Alex Gendler explores the epic history of the Kievan Rus where characters ranging from Viking raiders and Western crusaders to Byzantine missionaries and Mongol hordes all played a role to create a unique civilization standing at the crossroads of culture and geography. Lesson by Alex Gendler animation by Drako"
YouTube Link 2015-10-13T15:28Z 22.4M followers, 5.8M engagements

"Why is Vermeer's "Girl with the Pearl Earring" considered a masterpiece - James Earle View full lesson: http://ed.ted.com/lessons/why-is-vermeer-s-girl-with-the-pearl-earring-considered-a-masterpiece-james-earle Is she turning towards you or away from you No one can agree. Shes the subject of Dutch Master Johannes Vermeers "Girl with the Pearl Earring" a painting often referred to as the Mona Lisa of the North. But what makes this painting so captivating James Earle explains how this work represents the birth of a modern perspective on economics politics and love. Lesson by James Earle"
YouTube Link 2016-10-18T15:03Z 22.4M followers, 5.6M engagements

"How do you know youre not dreaming - Daniel Gregory Download a free audiobook and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed -- Bizarre things happen in dreams: you fly or conjure an all-you-can-eat buffet out of thin air or get chased by witches through the halls of your school. But the strange things that happen in dreams dont seem strange at the time. So how do you know youre not in a dream right now Is there a way to prove that you're awake Daniel Gregory digs into the philosophical theories of wakefulness. Lesson by Daniel Gregory directed by Daniel Stankler."
YouTube Link 2022-03-22T15:00Z 22.4M followers, 1.1M engagements

"The myth of Sisyphus - Alex Gendler Download a free audiobook version of "Man's Search for Meaning" and support TED-Ed's nonprofit mission: https://adbl.co/2z7JGWx Check out our full book recommendation: https://bit.ly/2JYUn1y Sisyphus was both a clever ruler who made his city prosperous and a devious tyrant who seduced his niece and killed visitors to show off his power. While his violation of the sacred hospitality tradition greatly angered the gods it was Sisyphus reckless confidence that proved to be his downfall -- resulting in Zeus condemning him for all eternity. Alex Gendler shares"
YouTube Link 2018-11-13T16:01Z 22.4M followers, 8.8M engagements

"Ancient Romes most notorious doctor - Ramon Glazov Learn about the Greek physician and philosopher Galen of Pergamon whose experiments and discoveries changed medicine. -- In the 16th century an anatomist named Andreas Vesalius made a shocking discovery: the most famous human anatomy texts in the world were wrong. While Vesalius knew he was right announcing the errors would mean challenging Galen of Pergamon. Who was this towering figure And why was he still revered and feared [----] years later Ramon Glazov profiles the most renowned physician in medical history. Lesson by Ramon Glazov"
YouTube Link 2019-07-18T15:00Z 22.4M followers, 3.2M engagements

"Hawking's black hole paradox explained - Fabio Pacucci Where does quantum information go when it enters a black hole Investigate the theories of the black hole information paradox. -- Today one of the biggest paradoxes in the universe threatens to unravel modern science: the black hole information paradox. Every object in the universe is composed of particles with unique quantum properties and even if an object is destroyed its quantum information is never permanently deleted. But what happens to that information when an object enters a black hole Fabio Pacucci investigates. Lesson by Fabio"
YouTube Link 2019-10-22T15:00Z 22.4M followers, 3.9M engagements

"The Chinese myth of the forbidden lovers - Shannon Zhao Get to know the myth of the weaver and the cowherd a pair of star-crossed lovers banished to opposite sides of the Milky Way. -- In the court of the Jade Emperor a young princess had a special skill: she could pluck clouds from the sky and spin them into the softest robes. But her craft was the same day after day and she longed for new inspiration. So the Queen Mother granted her permission to visit Earth. The weaver soon fell in love with the land and a cowherd. Shannon Zhao details the myth of the star-crossed lovers. Lesson by Shannon"
YouTube Link 2022-04-28T15:00Z 22.4M followers, 1.3M engagements

"Whats the smartest age - Shannon Odell At what age are you smartest Dig into how your brain development affects your skills at different stages of your life. -- Tomorrow is the annual Brain Clash a decathlon of mental challenges trivia competitions and puzzles. Amir needs a smart and capable teammate and must choose between three people; all of different ages and talents. So who should Amir choose for the contest Shannon Odell breaks down the idea of smart and explores how our brain development impacts our skills at various stages of our lives. Lesson by Shannon Odell directed by Biljana"
YouTube Link 2022-10-18T15:01Z 22.4M followers, 2.5M engagements

"Why is cotton in everything - Michael R. Stiff Dig into the science of how cotton transforms from seed to fiber and how these cotton fibers are used to make everything from fabrics to currency and fishing nets. -- Centuries ago the Inca developed ingenuous suits of armor that could protect warriors from even the fiercest physical attacks. These hardy structures were made not from iron or steel but rather something unexpectedly soft: cotton. Today cotton is used to make everything from fabric to currency diapers and fishing nets. Michael R. Stiff explores the science of what makes cotton so"
YouTube Link 2020-01-23T16:00Z 22.4M followers, 2.4M engagements

"How art can help you analyze - Amy E. Herman View full lesson: http://ed.ted.com/lessons/how-art-can-help-you-analyze-amy-e-herman Can art save lives Not exactly but our most prized professionals (doctors nurses police officers) can learn real world skills through art analysis. Studying art like Ren Magritte's Time Transfixed can enhance communication and analytical skills with an emphasis on both the seen and unseen. Amy E. Herman explains why art historical training can prepare you for real world investigation. Lesson by Amy E. Herman animation by Flaming Medusa Studios Inc"
YouTube Link 2013-10-04T15:12Z 22.4M followers, 1.1M engagements

"The rise and fall of the Maya Empires most powerful city - Geoffrey E. Braswell Trace the rise and fall of the Maya city Chichen Itza and how Yucatns unpredictable environment contributed to its demise. -- During the 8th century CE warfare and failing agriculture forced Maya people to move north to hotter drier Yucatn. Because of its freshwater access Chichen Itza became the most powerful Maya city with nearly [-----] citizens at its height. But the region presented its own challenges and the city's golden age wouldnt last forever. Geoffrey E. Braswell traces the city's rise and fall. Lesson by"
YouTube Link 2024-04-25T15:00Z 22.4M followers, 384.2K engagements

"Axolotls: The salamanders that snack on each other (but don't die) - Luis Zambrano Discover the extraordinary regenerative powers of the axolotl a salamander native to Mexico and one of sciences most studied animals. -- Axolotls are one of sciences most studied animals. Why you ask These extraordinary salamanders are masters of regeneration: they can flawlessly regenerate body parts ranging from amputated limbs and crushed spines to parts of their eyes and brains. So how do they do it And what other secrets are they keeping Luis Zambrano explores the baffling biology of the axolotl. Lesson by"
YouTube Link 2021-06-22T15:00Z 22.4M followers, 4.1M engagements

"Why is Mount Everest so tall - Michele Koppes View full lesson: http://ed.ted.com/lessons/why-is-mount-everest-so-tall-michele-koppes At [----] meters above sea level Qomolangma also known as Mount Everest has the highest altitude on the planet. But how did this towering formation get so tall Michele Koppes peers deep into our planets crust where continental plates collide to find the answer. Lesson by Michele Koppes animation by Provincia Studio. Michele Koppes Provincia Studio Mount Everest Plate tectonics Weathering Glaciers TED-Ed TED TedEducation TED Ed Qomolangma Everest mountains tallest"
YouTube Link 2016-04-07T15:17Z 22.4M followers, 3.1M engagements

"Insults by Shakespeare "You're a fishmonger" By taking a closer look at Shakespeare's words--specifically his insults--we see why he is known as a master playwright whose works transcend time and appeal to audiences all over the world. Lesson by April Gudenrath narration by Juliet Blake animation by TED-Ed. View the full lesson: http://ed.ted.com/lessons/insults-by-shakespeare Shakespearean Insults Shakespeare William Shakespeare (Lyricist) April Gudenrath Playing with Language TED TED-Ed TED Education TED-Ed Animation Jeremiah Dickey Franz Palomares Lisa LaBracio Celeste Lai Shakespearean"
YouTube Link 2012-05-04T13:32Z 22.4M followers, 2.4M engagements

"The dungeon master's riddle - Alex Rosenthal A group of adventurers has broken into your lair. Can you figure out who the cleric is before they start casting spells -- Yet another party of adventurers has broken into your lair to slay your minions and steal your treasures. Judging by the trail of destruction youre up against a fighter a rogue and a cleric. The first two wont be a problem for a powerful necromancer like you but the clerics' spells are trouble. Can you figure out which adventurer is the cleric before its too late Alex Rosenthal shows how. Lesson by Alex Rosenthal directed by"
YouTube Link 2024-10-22T15:00Z 22.4M followers, 899.2K engagements

"The science of milk - Jonathan J. O'Sullivan View full lesson: http://ed.ted.com/lessons/the-science-of-milk-jonathan-j-o-sullivan The milk industry produces in excess of [---] million tons of products each year. Why do humans drink so much milk And given that all mammals lactate why do we favor certain types of milk over others Jonathan J. OSullivan describes how milk is made. Lesson by Jonathan J. O'Sullivan animation by TED-Ed. TED TED-Ed TED Ed TED Education Jonathan J. O'Sullivan milk mammals cow goat sheep pasteurization homogenization dairy nutrition microbe TED TED-Ed TED Ed TED"
YouTube Link 2017-01-31T16:10Z 22.4M followers, 3.1M engagements

"Would you sacrifice one person to save five - Eleanor Nelsen View full lesson: http://ed.ted.com/lessons/would-you-sacrifice-one-person-to-save-five-eleanor-nelsen Imagine youre watching a runaway trolley barreling down the tracks straight towards five workers. You happen to be standing next to a switch that will divert the trolley onto a second track. Heres the problem: that track has a worker on it too but just one. What do you do Do you sacrifice one person to save five Eleanor Nelsen details the ethical dilemma that is the trolley problem. Lesson by Eleanor Nelsen animation by Eoin Duffy."
YouTube Link 2017-01-12T16:02Z 22.4M followers, 5.6M 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

"What is obesity - Mia Nacamulli View full lesson: http://ed.ted.com/lessons/what-is-obesity-mia-nacamulli Obesity is an escalating global epidemic. It substantially raises the probability of diseases like diabetes heart disease stroke high blood pressure and cancer. But what is the distinction between being overweight and being obese And how does a person become obese Mia Nacamulli explores obesity. Lesson by Mia Nacamulli animation by Kozmonot Animation Studio. Mia Nacamulli Kozmonot Animation Studio WORKPLAYWORK Cem Misirlioglu Obesity Obesity epidemic Public health healthy eating nutrition"
YouTube Link 2016-06-30T15:02Z 22.4M followers, 1.2M engagements

"How smart are dolphins - Lori Marino View full lesson: http://ed.ted.com/lessons/how-smart-are-dolphins-lori-marino Dolphins are one of the smartest animal species on Earth. In fact their encephalization quotient (their brain size compared to the average for their body size) is second only to humans. But exactly how smart are they Lori Marino details some incredible facts about dolphins. Lesson by Lori Marino animation by Zedem Media. Lori Marino Zedem Media Dolphins Animal intelligence Conservation Neuroscience Animal communication Doctor Doolittle TED TED-Ed TEDx TED Education Animal"
YouTube Link 2015-08-31T15:04Z 22.4M followers, 3.5M engagements

"Winter got you feeling down Watch this - Kelly Rohan Explore what we know about seasonal affective disorder (SAD) and find out the best way to treat these behavioral changes. -- As winter approaches shorter days spark a cascade of changes within the brains of animals. As a result groundhogs retreat to their burrows for hibernation weasels coats turn from brown to white and birds cease their singing. And scientists are finding that seasonal behavioral changes similarly happen for some humans. Kelly Rohan digs into what we know about seasonal affective disorder. Lesson by Kelly Rohan directed"
YouTube Link 2025-12-16T16:00Z 22.4M followers, 269.5K engagements

"The myth of the boiling frog Explore how greenhouse gas emissions impact global warming and why its necessary to get emissions down to net zero. -- Since [----] global average temperatures have risen by [--] degree Celsius. That may not sound like a lot but it is. Why [--] degree is an average. Many places have already gotten much warmer and if average temperatures increase one more degree the coldest nights in the Arctic might get [--] degrees warmer. So how did we get here And what can be done Explore the challenges of net zero emissions. Directed by Lisa LaBracio. Animation and art direction by Lusa"
YouTube Link 2021-02-16T16:00Z 22.4M followers, 1.7M engagements

"What Earth in [----] could look like - Shannon Odell What could our future world look like if we continue to do nothing about climate change Take a look at the possibilities. -- While were already feeling the devastating effects of human-caused climate change governments continue to fall short on making and executing emissions pledges that would help thwart further warming. So what will our world look like in the next [--] to [--] years if we continue on the current path Shannon Odell offers a glimpse at Earth's possible future. Lesson by Shannon Odell directed by Sofia Pashaei. This video made"
YouTube Link 2024-03-28T15:01Z 22.4M followers, 1.3M engagements

"The Turing test: Can a computer pass for a human - Alex Gendler View full lesson: http://ed.ted.com/lessons/the-turing-test-can-a-computer-pass-for-a-human-alex-gendler What is consciousness Can an artificial machine really think For many these have been vital considerations for the future of artificial intelligence. But British computer scientist Alan Turing decided to disregard all these questions in favor of a much simpler one: Can a computer talk like a human Alex Gendler describes the Turing test and details some of its surprising results. Lesson by Alex Gendler animation by Patrick"
YouTube Link 2016-04-25T15:17Z 22.4M followers, 1.8M engagements

"The epic Nordic legend of the monster slayer - Iseult Gillespie Explore the classic poem Beowulf which follows a heroic prince as he fights to free a kingdom from the monster Grendel. -- An epic written in Old English Beowulf is known for its haunting monsters dream-like language and paranoid perspective where violent threats are always waiting on the fringes of society. The action follows Beowulf a prince of Geats who travels to aid a kingdom in freeing itself from a monsters reign of terror. Why is this poem considered a classic Iseult Gillespie traces the heros tale. Lesson by Iseult"
YouTube Link 2025-04-03T15:01Z 22.4M followers, 289.7K engagements

"Why are scientists shooting mushrooms into space - Shannon Odell Explore the unique characteristics that make fungi so resilient and find out why they may be the key to future space travel. -- Astronauts aboard the space station Mir made a frightening discovery: several species of Earth-derived fungi were found growing throughout the shuttle blanketing air conditioners and corroding control panels putting both the stations integrity and their lives at risk. How had the fungi survived the journey to space Shannon Odell shares why fungi may be the key to our future on other planets. Lesson by"
YouTube Link 2024-07-18T15:00Z 22.4M followers, 725.3K engagements

"The tribes we lead - Seth Godin View full lesson: http://ed.ted.com/lessons/the-tribes-we-lead-seth-godin Seth Godin argues the Internet has ended mass marketing and revived a human social unit from the distant past: tribes. Founded on shared ideas and values tribes give ordinary people the power to lead and make big change. He urges us to do so. Talk by Seth Godin. Seth Godin TED TED Talk TEDEducation TED-Ed Ed tribes internet cyber cyber power change change the world Seth Godin TED TED Talk TEDEducation TED-Ed Ed tribes internet cyber cyber power change change the world"
YouTube Link 2013-03-03T16:01Z 22.4M followers, 311.4K engagements

"How can you change someone's mind (hint: facts aren't always enough) - Hugo Mercier Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-can-you-change-someone-s-mind-spoiler-facts-don-t-work-so-well-hugo-mercier Why do arguments change peoples minds in some cases and backfire in others Hugo Mercier explains how arguments are more convincing when they rest on a good knowledge of the audience taking into account what the audience believes who they trust and what they value. Lesson by Hugo Mercier animation by TED-Ed. Thank you so much to"
YouTube Link 2018-07-26T15:08Z 22.4M followers, 2.3M engagements

"How we got hooked on credit cards - Nidhi Upadhyaya Dig into the history of credit cards in the United States and how they have evolved since the 1950s into the industry we know today. -- Today credit cards are a $500 billion-a-year industry. Banks consider these lines of credit when deciding whether or not to approve loans incentivizing customers to maintain multiple credit cards. So how did this lending system originate And how did they get to be so popular Nidhi Upadhyaya digs into the history of credit cards in the United States. Lesson by Nidhi Upadhyaya directed by Jeff Le Bars"
YouTube Link 2025-09-04T15:00Z 22.4M followers, 190.1K engagements

"Would you pass the wallet test Dig into the experiment known as the lost wallet test and find out the surprising results of this study of honesty. -- Picture this: youre working a shift in a hotel lobby when someone approaches the front desk. They found a lost wallet around the corner but theyre in a rush and dont have time to follow up. Looking at the wallet you see it contains a key grocery list about $13 and three business cards you assume belong to the wallets owner. So what do you do Dig into the infamous lost wallet experiment. Directed by Maryna Buchynska and action creative agency."
YouTube Link 2022-08-30T15:01Z 22.4M followers, 1.5M engagements

"What are truffles and why are they so expensive - Carolyn Beans Dig into the truffles unique and mysterious biology to find out what makes them so rare and the limitations of farming them. -- Truffles are one of the worlds most expensive foods in part because global demand often outstrips supply. And truffles are becoming even more rare and more expensive as deforestation and climate change shrink their suitable terrain. But why are these fungi so rare And why dont we just farm more of them Carolyn Beans digs into the truffles unique and somewhat mysterious biology. Lesson by Carolyn Beans"
YouTube Link 2025-09-09T15:01Z 22.4M followers, 611.4K engagements

"Why do people get so anxious about math - Orly Rubinsten View full lesson: http://ed.ted.com/lessons/why-do-people-get-so-anxious-about-math-orly-rubinsten Have you ever sat down to take a math test and immediately felt your heart beat faster and your palms start to sweat This is called math anxiety and if it happens to you youre not alone: Researchers think about [--] percent of the population suffers from it. So whats going on And can it be fixed Orly Rubinsten explores the current research and suggests ways to increase math performance. Lesson by Orly Rubinsten animation by Adriatic"
YouTube Link 2017-03-27T14:59Z 22.4M followers, 3.2M engagements

"The uncertain location of electrons - George Zaidan and Charles Morton View full lesson: http://ed.ted.com/lessons/the-uncertain-location-of-electrons-george-zaidan-and-charles-morton The tiny atoms that make up our world are made up of even tinier protons neutrons and electrons. Though the number of protons determine an atom's identity it's the electrons -- specifically their exact location outside the nucleus -- that particularly perplex scientists. George Zaidan and Charles Morton show how to make an educated guess of where those itty-bitty freewheeling electrons might be. Lesson by George"
YouTube Link 2013-10-14T15:11Z 22.4M followers, 932.9K engagements

"What does the pancreas do - Emma Bryce Explore how the pancreas operates and how this organ helps with digestion and controlling your sugar levels. -- Beneath your ribs youll find among other things the pancreas -- an organ that works a lot like a personal health coach. Emma Bryce explains how this organ controls your sugar levels and produces a special juice that releases the nutrients from your food to help keep you in the best possible shape. Lesson by Emma Bryce animation by Tremendousness. View full lesson: http://ed.ted.com/lessons/what-does-the-pancreas-do-emma-bryce TED TED-Ed TEDx"
YouTube Link 2015-02-19T16:09Z 22.4M followers, 1.3M engagements

"The secrets of Mozarts Magic Flute - Joshua Borths View full lesson: http://ed.ted.com/lessons/the-secrets-of-mozart-s-magic-flute-joshua-borths Wolfgang Amadeus Mozarts Die Zauberflte (The Magic Flute) is widely regarded as one of the most influential operas in history. And while it may seem like a childish fairytale at first glance its actually full of subversive symbolism. Joshua Borths explains how many elements of "The Magic Flute" were inspired by Mozarts somewhat controversial involvement with Freemasonry. Lesson by Joshua Borths animation by TED-Ed. Joshua Borths Biljana Labovic Teded"
YouTube Link 2016-11-22T16:01Z 22.4M followers, 1.6M engagements

"A brief history of plastic Join #TeamSeas Together we're going to raise $30M to remove 30M pounds of plastic and trash from our ocean rivers and beaches. Learn more and get involved here: https://bit.ly/3mrdV3J Trace the history of the invention of plastic and how the material ushered in what became known as the plastics century. -- For centuries billiard balls were made of ivory from elephant tusks. But when excessive hunting caused elephant populations to decline they began to look for alternatives. John Wesley Hyatt took up the challenge. In five years he invented a new material called"
YouTube Link 2020-09-10T15:00Z 22.4M followers, 1.4M engagements

"How Do Pain Relievers Work - George Zaidan View full lesson: http://ed.ted.com/lessons/how-do-pain-relievers-work Some people take aspirin or ibuprofen to treat everyday aches and pains but how exactly do the different classes of pain relievers work Learn about the basic physiology of how humans experience pain and the mechanics of the medicines we've invented to block or circumvent that discomfort. Lesson by George Zaidan animated by Augenblick Studios. George Zaidan TED-Ed TED Education painkillers science pain health Augenblick Studios nervous system nerves medicine biology biochemistry"
YouTube Link 2012-06-26T15:09Z 22.4M followers, 4.2M engagements

"You can only save one who do you choose - Doug MacKay Puzzle through the ethical dilemma where two ships are in distress but you can only save one and decide: which do you choose -- You are the captain of an interstellar cargo transport headed to port when you receive two distress calls. The first is from a labor ship whose passengers are running out of oxygen. The other from a luxury space cruiser which has lost a thruster sending them careening into danger. With only enough time to save one ship which should you choose Doug Mackay explores this classic ethical dilemma. Lesson by Doug Mackay"
YouTube Link 2021-12-21T16:01Z 22.4M followers, 2.5M 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

"Why should you read "One Hundred Years of Solitude" - Francisco Dez-Buzo Download a free audiobook version of "One Hundred Years of Solitude" and support TED-Ed's nonprofit mission: https://adbl.co/2LHl4XM Check out our full book recommendation: http://bit.ly/2PgPKS6 View full lesson: https://ed.ted.com/lessons/why-should-you-read-one-hundred-years-of-solitude-francisco-diez-buzo Gabriel Garca Mrquez's novel "One Hundred Years of Solitude" brought Latin American literature to the forefront of the global imagination and earned Garca Mrquez the [----] Nobel Prize for Literature. What makes the"
YouTube Link 2018-08-30T15:04Z 22.4M followers, 4.1M engagements

"The epic of Gilgamesh the king who tried to conquer death - Soraya Field Fiorio Dive into the Epic of Gilgamesh and follow the king of Uruk on a series of dangerous quests as he searches for immortality. -- In [----] in the ancient city of Nineveh in Iraq archaeologists sifted through dusty remains hoping to find records to prove that Bible stories were true. What they found instead was a 4000-year-old story inscribed on crumbling clay tablets a story that was so riveting the first person to translate it started stripping from excitement. Soraya Field Fiorio tells the epic tale of Gilgamesh."
YouTube Link 2021-06-01T15:00Z 22.4M followers, 4.4M engagements

"What causes yeast infections and how do you get rid of them - Liesbeth Demuyser Explore the common causes and treatments of yeast infections which affect [--] out of every [--] people with a vagina. -- The vagina harbors hundreds of different kinds of microorganisms. Candida yeasts are usually present in small quantities and most of the time these fungi are harmless. But under certain conditions Candida yeasts can cause infections. One species in particular is the usual culprit of vaginal yeast infections. So how exactly does a yeast infection happen Liesbeth Demuyser investigates. Lesson by"
YouTube Link 2022-07-14T15:01Z 22.4M followers, 1.6M engagements

"The Fijian myth of the greedy god - Raiana McKinney and Esther Wozniak Dig into the Fijian myth of Dakuwaqa the shape-shifting shark god who is determined to take over all of Fiji's islands. -- Long ago the ancestral gods of Fiji settled on the Pacific archipelago. They eventually metamorphosed into various forms with the god Dakuwaqa transforming into a shark. But he was unsatisfied. He became proud and greedy and wanted to establish himself as the mightiest god and dominate all of Fijis islands. Raiana McKinney and Esther Wozniak share the tale of Dakuwaqas quest for power. Lesson by Raiana"
YouTube Link 2024-02-13T16:00Z 22.4M followers, 354.8K engagements

"How to unboil an egg - Eleanor Nelsen View full lesson: http://ed.ted.com/lessons/how-to-unboil-an-egg-eleanor-nelsen Its so obvious that its practically proverbial: you cant unboil an egg. But actually it turns out that you can -- sort of. Eleanor Nelsen explains the process by which mechanical energy can undo what thermal energy has done. Lesson by Eleanor Nelsen animation by Provincia Studio. TED TEd-Ed TEDx TED Education Egg Thermal energy Mechanical energy Protein Chemistry Chemical bonds Principal of microscopic reversability Eleanor Nelsen Provincia Studio TED TEd-Ed TEDx TED Education"
YouTube Link 2015-04-23T14:59Z 22.4M followers, 4.8M engagements

"How to stay calm under pressure - Noa Kageyama and Pen-Pen Chen Download a free audiobook version of "The Boys on the Boat" and support TED-Ed's nonprofit mission: https://adbl.co/2Lf9Pa2 Check out our full book recommendation: http://bit.ly/2IDVLsY View full lesson: https://ed.ted.com/lessons/how-to-avoid-choking-under-pressure-noa-kageyama-and-pen-pen-chen Your favorite athlete closes in for a win; the crowd holds its breath and at the crucial moment . she misses the shot. That competitor just experienced the phenomenon known as choking where despite months even years of practice a person"
YouTube Link 2018-05-21T15:01Z 22.4M followers, 9M engagements

"Why is it so hard to escape poverty - Ann-Heln Bay Explore the paradox of welfare programs and learn how they inadvertently reinforce generational poverty and what we can do to fix them. -- Imagine that youve been unemployed for months. Government benefit programs have helped you cover your expenses but youre barely getting by. Finally you receive a paycheck but theres a catch. Your new job pays enough to disqualify you from benefit programs but not enough to cover your costs. So how do we design benefit programs that dont penalize you for working Ann-Heln Bay investigates. Lesson by Ann-Heln"
YouTube Link 2022-01-11T16:00Z 22.4M followers, 6.6M engagements

"Debunking the myths of OCD - Natascha M. Santos View full lesson: http://ed.ted.com/lessons/debunking-the-myths-of-ocd-natascha-m-santos Theres a common misconception that if you like to meticulously organize your things keep your hands clean or plan out your weekend to the last detail you might be OCD. In fact OCD (Obsessive Compulsive Disorder) is a serious psychiatric condition that is frequently misunderstood by society and mental health professionals alike. Natascha M. Santos debunks the myths surrounding OCD. Lesson by Natascha M. Santos animation by Zedem Media. TED TEDx TED-Ed TED"
YouTube Link 2015-05-19T15:03Z 22.4M followers, 12.4M engagements

"What did people do before anesthesia - Sally Frampton Trace the history of anesthesia from the 3rd century to today and explore how doctors performed surgery before anesthetic drugs. -- The quest for anesthetics that could induce unconsciousness and enable more meticulous surgeries began around the early 3rd century CE. Before anesthesia was widely used patients had to consciously endure every moment of surgery. So what methods did doctors use before modern medicine caught up Sally Frampton traces the history of anesthetic drugs. Lesson by Sally Frampton directed by Alexander Hellebaut."
YouTube Link 2023-06-08T15:00Z 22.4M followers, 2.6M engagements

"What is vaginal discharge and what does it say about your health - Elizabeth Micks Explore what causes vaginal discharge whats a healthy baseline and how to identify when there are unhealthy changes in the fluids. -- Our bodies are constantly producing purging and recycling secretions to fulfill all sorts of functions. Our reproductive organs are no exception. Vaginas are engaged in ongoing cycles of fluid discharge. But it can be hard to know what is "normal" when theres a taboo in talking about it. So whats healthy discharge And when is there cause for concern Elizabeth Micks investigates."
YouTube Link 2026-02-05T16:00Z 22.4M followers, 161.2K 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 language of lying Noah Zandan View full lesson: http://ed.ted.com/lessons/the-language-of-lying-noah-zandan We hear anywhere from [--] to [---] lies a day. And although weve spent much of our history coming up with ways to detect these lies by tracking physiological changes in their tellers these methods have proved unreliable. Is there a more direct approach Noah Zandan uses some famous examples of lying to illustrate how we might use communications science to analyze the lies themselves. Lesson by Noah Zandan animation by The Moving Company Animation Studio. Noah Zandan The Moving Company"
YouTube Link 2014-11-03T16:27Z 22.4M followers, 22.6M engagements

"What causes economic bubbles - Prateek Singh View full lesson: http://ed.ted.com/lessons/what-causes-economic-bubbles-prateek-singh During the 1600s the exotic tulip became a nationwide sensation; some single bulbs even sold for ten times the yearly salary of a skilled craftsman. Suddenly though the demand completely plummeted leaving the tulip market in a depression. What happened Prateek Singh explains the peak of a business cycle commonly referred to as a mania. Lesson by Prateek Singh animation by Simon Ampel. TED TED-Ed TEDx TED Education Tulip Holland Netherlands Stock Investment"
YouTube Link 2015-05-04T15:14Z 22.4M followers, 1.3M engagements

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