@teded Avatar @teded TED-Ed

TED-Ed posts on YouTube about education, ted, 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 16.12% travel destinations #6697 finance #6572 technology brands 1.87% social networks 1.06% celebrities 0.98% stocks 0.98% automotive brands 0.81% musicians 0.57% luxury brands 0.41%

Social topic influence education #182, ted #12, history #793, science #304, health #356, animation #594, how to #3114, the world #1584, in the #5452, solve #127

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

Top Social Posts

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

"How tsunamis work - Alex Gendler View full lesson: http://ed.ted.com/lessons/how-tsunamis-work-alex-gendler The immense swell of a tsunami can grow up to [---] feet hitting speeds over [---] mph -- a treacherous combination for anyone or anything in its path. Alex Gendler details the causes of these towering terrors and explains how scientists are seeking to reduce their destruction in the future. Lesson by Alex Gendler animation by Augenblick Studios. Alex Gendler Augenblick tsunami earthquake disaster ocean global warming ocean storm sea TED TED-Ed TED Ed TEDEducation Alex Gendler Augenblick"
YouTube Link 2014-04-24T15:13Z 22.4M followers, 9.1M engagements

"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

"The life cycle of a neutron star - David Lunney Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-life-cycle-of-a-neutron-star-david-lunney About once every century a massive star somewhere in our galaxy runs out of fuel. No longer able to produce sufficient energy to maintain its structure it collapses under its own gravitational pressure and explodes in a supernova. The death of that star is the birth of a neutron star: one of the densest known objects in the universe. David Lunney explores what exactly a neutron star is. Lesson by"
YouTube Link 2018-11-20T16:00Z 22.4M followers, 1.4M engagements

"How humanity got hooked on coffee - Jonathan Morris Trace the history of coffee from its first known origins to its rise in popularity due to trade routes and cultivation. -- One day around [---] CE a goatherd observed that his goats started acting abnormally after nibbling on some berries. The herder tried them himself and soon enough he was just as hyper. As the story goes this was humanitys first run-in with coffee. So how did coffee go from humble plant to one of the world's most consumed beverages Jonathan Morris traces the history of this energizing elixir. Lesson by Jonathan Morris"
YouTube Link 2024-03-05T16:01Z 22.4M followers, 2.9M engagements

"Aphasia: The disorder that makes you lose your words - Susan Wortman-Jutt Dig into the language disorder known as aphasia that affects a persons ability to communicate effectively with others. -- Language is an essential part of our lives that we often take for granted. But if the delicate web of language networks in your brain became disrupted by stroke illness or trauma you could find yourself truly at a loss for words. Susan Wortman-Jutt details a disorder called aphasia which can impair all aspects of communication. Lesson by Susan Wortman-Jutt animation by TED-Ed. View full lesson:"
YouTube Link 2016-09-15T15:17Z 22.4M followers, 1.6M engagements

"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, 269.8K engagements

"How one scientist averted a national health crisis - Andrea Tone TED wants to promote student ideas Learn more here: http://bit.ly/2M7hd87 View full lesson: https://ed.ted.com/lessons/how-one-scientist-averted-a-national-health-crisis-andrea-tone In [----] Frances Kelsey was one of the Food and Drug Administrations newest recruits. Before the year was out she would begin a fight that would save thousands of lives though no one knew it at the time. Andrea Tone explains how Kelsey was able to prevent a massive national public health tragedy by privileging facts over opinions and patience over"
YouTube Link 2018-06-07T15:02Z 22.4M followers, 2M engagements

"Why did Megalodon go extinct - Jack Cooper and Catalina Pimiento Dive into the oceans depths to see how the gigantic megalodon ruled the seas and find out what caused its extinction. [--] million years ago the ocean housed a creature so colossal that its stomach could reach volumes of almost [-----] liters big enough to fit an entire orca. It was the megalodon the biggest shark to ever live. So what was it like when megalodon ruled the seas And what brought this formidable predator to extinction Jack Cooper and Catalina Pimiento investigate. Lesson by Jack Cooper and Catalina Pimiento directed by"
YouTube Link 2023-07-03T15:00Z 22.4M followers, 1.5M engagements

"How does an air conditioner actually work - Anna Rothschild Dig into the science of how heat pumps both heat and cool a home and find out the benefits and drawbacks of this technology. -- Typically with any piece of technology you pump one unit of energy in and you get about one out. Thats just the first law of thermodynamics: energy has to be conserved. But theres a piece of technology called a heat pump where for every bit of energy you put in you get three to five times as much heat out. What wizardry is this Anna Rothschild investigates the science of heat pumps. Lesson by Anna Rothschild"
YouTube Link 2024-05-28T15:00Z 22.4M followers, 593.8K engagements

"The history of keeping time - Karen Mensing View full lesson: http://ed.ted.com/lessons/the-history-of-keeping-time Where did time-telling come from What are time zones and why are there so many of them Get the answers to these questions and more in this journey through the history of time -- from sundials to hourglasses to modern clocks. Lesson by Karen Mensing animation by Avi Ofer. TED-Ed TEDEducation TED Education time time zones sundials hourglass modern clock history of time clocks passage of time time system farming social structures TED-Ed TEDEducation TED Education time time zones"
YouTube Link 2012-08-16T15:12Z 22.4M followers, 267K engagements

"The Artists Think Like A Coder Ep [--] The adventure continues Episode 5: Ethic and Hedge arrive in the 198forest in search of the second artifact. Can they sneak past the guards to get to the tower -- This is episode [--] of our animated series Think Like A Coder. This 10-episode narrative follows a girl Ethic and her robot companion Hedge as they attempt to save the world. The two embark on a quest to collect three artifacts and must solve their way through a series of programming puzzles. Lesson by Alex Rosenthal directed by Kozmonot Animation Studio. Supported by Endless:"
YouTube Link 2020-01-13T16:00Z 22.4M followers, 470.3K engagements

"The fascinating history of cemeteries - Keith Eggener Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-fascinating-history-of-cemeteries-keith-eggener Spindly trees rusted gates crumbling stone a solitary mourner: these things come to mind when we think of cemeteries. But not long ago many burial grounds were lively places with gardens and crowds of people -- and for much of human history we didnt bury our dead at all. How did cemeteries become what they are today Keith Eggener delves into our ever-evolving rituals for honoring the"
YouTube Link 2018-10-30T15:00Z 22.4M followers, 6.4M engagements

"This one weird trick will help you spot clickbait - Jeff Leek & Lucy McGowan Test your wits with a set of hypothetical health studies and find out just how good you are at spotting clickbait. -- Health headlines are published every day sometimes making opposite claims from each other. There can be a disconnect between broad attention-grabbing headlines and the often specific incremental results of the medical research they cover. So how can you avoid being misled by grabby headlines Jeff Leek and Lucy McGowan explain how to read past the clickbait. Lesson by Jeff Leek and Lucy McGowan"
YouTube Link 2019-06-06T15:00Z 22.4M followers, 841.5K engagements

"The myth of Loki and the deadly mistletoe - Iseult Gillespie Discover the Norse myth of Baldur the most beloved being in Asgard and how the trickster god Loki plotted his death. -- Baldur was the gentlest and most beloved being in all of Asgard. But lately he had been plagued by gruesome visions foretelling his own imminent death. Determined to protect her son from these grim prophecies Queen Frigg travelled across the nine realms begging all living things not to harm Baldur all living things except one. Iseult Gillespie shares the myth of the death of Baldur. Lesson by Iseult Gillespie"
YouTube Link 2020-12-01T16:01Z 22.4M followers, 3.1M engagements

"How to spot a fad diet - Mia Nacamulli View full lesson: http://ed.ted.com/lessons/do-fad-diets-work-mia-nacamulli Conventional wisdom about diets including government health recommendations seems to change all the time. And yet ads routinely come out claiming to have THE answer about what we should eat. So how do we distinguish whats actually healthy from what advertisers just want us to believe is good for us Mia Nacamulli gives the facts on fad diets. Lesson by Mia Nacamulli animation by Avi Ofer. Mia Nacamulli Avi Ofer Diets Nutrition Fad Diets Crash Diets Weight loss TED TED-Ed Ted ed"
YouTube Link 2016-04-11T15:25Z 22.4M followers, 1.2M engagements

"Everything you need to know to read Homer's "Odyssey" - Jill Dash Dig into Homers Odyssey an epic poem which follows Odysseus on his perilous 10-year journey home after the Trojan War. -- An encounter with a man-eating giant. A sorceress who turns men into pigs. A long-lost king taking back his throne. On their own any of these make great stories. But each is just one episode in the "Odyssey" a 12000-line poem spanning years of ancient Greek history and legend. So how do we make sense of this massive text Jill Dash shares everything you need to know to read Homer's "Odyssey. Lesson by Jill"
YouTube Link 2017-01-30T16:04Z 22.4M followers, 2.7M 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

"History vs. Vladimir Lenin - Alex Gendler View full lesson: http://ed.ted.com/lessons/history-vs-vladimir-lenin-alex-gendler Vladimir Lenin overthrew Russian Czar Nicholas II and founded the Soviet Union forever changing the course of Russian politics. But was he a hero who toppled an oppressive tyranny or a villain who replaced it with another Alex Gendler puts this controversial figure on trial exploring both sides of a nearly century-long debate. Lesson by Alex Gendler animation by Brett Underhill. Brett Underhill Alex Gendler Vladimir Lenin Lenin Russia communism Soviet Union socialism"
YouTube Link 2014-04-07T15:07Z 22.4M followers, 6.4M engagements

"The art of the metaphor - Jane Hirshfield View full lesson on ed.ted.com http://ed.ted.com/lessons/jane-hirshfield-the-art-of-the-metaphor How do metaphors help us better understand the world And what makes a good metaphor Explore these questions with writers like Langston Hughes and Carl Sandburg who have mastered the art of bringing a scene or emotion to life. Lesson by Jane Hirshfield animation by Ben Pearce Jane Hirshfield TEDEducation TED Education TED-Ed TED Ed metaphor simile writing literature poetry Word Poem Educational Jane Hirshfield TEDEducation TED Education TED-Ed TED Ed"
YouTube Link 2012-09-24T15:07Z 22.4M followers, 1.7M engagements

"How blood pressure works - Wilfred Manzano Travel into the circulatory system to see how blood pressure helps deliver oxygen and nutrients to your bodys tissues. -- If you lined up all the blood vessels in your body theyd be [--] thousand miles long. And every day they carry the equivalent of over two thousand gallons of blood to the bodys tissues. What effect does this pressure have on the walls of the blood vessels Wilfred Manzano gives the facts on blood pressure. Lesson by Wilfred Manzano animation by Fox Animation Domination High-Def. Support Our Non-Profit Mission"
YouTube Link 2015-07-23T15:05Z 22.4M followers, 18M 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, 764K 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 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

"Could we actually live on Mars - Mari Foroutan View full lesson: https://ed.ted.com/lessons/could-we-actually-live-on-mars-mari-foroutan#watch There's a lot of talk these days about when and how we might all move to Mars. But what would it actually be like to live there Mari Foroutan details the features of Mars that are remarkably similar to those of Earth and those that can only be found on the red planet. Lesson by Mari Foroutan animation by Nick Hilditch. Mars Water Oxygen Geography Space Outer space Space exploration Colonization of space Life on Mars Mars Water Oxygen Geography Space"
YouTube Link 2015-08-24T15:35Z 22.4M followers, 2.1M 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

"How to spot a misleading graph - Lea Gaslowitz View full lesson: http://ed.ted.com/lessons/how-to-spot-a-misleading-graph-lea-gaslowitz When theyre used well graphs can help us intuitively grasp complex data. But as visual software has enabled more usage of graphs throughout all media it has also made them easier to use in a careless or dishonest way and as it turns out there are plenty of ways graphs can mislead and outright manipulate. Lea Gaslowitz shares some things to look out for. Lesson by Lea Gaslowitz directed by Mark Phillips. TED TED-Ed TED Education TED Ed Lea Gaslowitz Mark"
YouTube Link 2017-07-06T15:04Z 22.4M followers, 3.8M engagements

"What actually causes high cholesterol - Hei Man Chan Travel into the digestive system to learn about cholesterol and find out what the difference is between LDL and HDL cholesterol. -- In [----] the American Heart Association made an announcement that would influence peoples diets for decades: they recommended that people avoid eating more than three eggs a week. Their reasoning was that the cholesterol packed into egg yolks could increase cardiovascular disease risk. So what exactly is cholesterol And is it actually bad for you Hei Man Chan digs into this complex molecule. Lesson by Hei Man"
YouTube Link 2025-01-21T16:00Z 22.4M followers, 1.6M 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

"Why you procrastinate even when it feels bad Explore what happens in the brain to trigger procrastination and what strategies you can use to break the cycle of this harmful practice. -- The report youve been putting off is due tomorrow. Its time to buckle down open your computer . and check your phone. Maybe watch your favorite YouTube channel Or maybe you should just start in the morning This is the cycle of procrastination. So why do we procrastinate when we know its bad for us Explore how your body triggers a procrastination response and how you can break the cycle. Directed by Vitalii"
YouTube Link 2022-10-27T15:01Z 22.4M followers, 10.8M engagements

"Which is stronger: Glue or tape - Elizabeth Cox Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/which-is-stronger-glue-or-tape-elizabeth-cox The oldest glue in the world is over [----] years old and comes from a cave near the Dead Sea. Today we have enough types of tape and glue to build and repair almost anything. But what gives glue and tape their stickiness And is one stronger than the other Elizabeth Cox explores the world of adhesives. Lesson by Elizabeth Cox animation by Sinbad Richardson. Thank you so much to our patrons for your"
YouTube Link 2018-04-30T15:12Z 22.4M followers, 15M engagements

"Why Shakespeare loved iambic pentameter - David T. Freeman and Gregory Taylor View full lesson: http://ed.ted.com/lessons/why-shakespeare-loved-iambic-pentameter-david-t-freeman-and-gregory-taylor Shakespeare sometimes gets a bad rap in high schools for his complex plots and antiquated language. But a quick peek into the rhythm of his words reveals a poet deeply rooted in the way people spoke in his time and still speak today. Why do Shakespeares words have such staying power David T. Freeman and Gregory Taylor uncover the power of iambic pentameter. Lesson by David T. Freeman and Gregory"
YouTube Link 2015-01-27T16:11Z 22.4M followers, 2M engagements

"Are you a body with a mind or a mind with a body - Maryam Alimardani Download a free audiobook version of The Three Body Problem" and support TED-Ed's nonprofit mission: http://www.audible.com/teded -- Our bodies the physical biological parts of us and our minds the thinking conscious aspects have a complicated tangled relationship. Which one primarily defines you or your self Are you a body with a mind or a mind with a body Maryam Alimardani investigates. Lesson by Maryam Alimardani directed by Ivana Bonjak & Thomas Johnson. View full lesson:"
YouTube Link 2017-09-25T14:59Z 22.4M followers, 3.5M engagements

"What is the world wide web - Twila Camp View full lesson: http://ed.ted.com/lessons/what-is-the-world-wide-web-twila-camp The world wide web is used every day by millions of people for everything from checking the weather to sharing cat videos. But what is it exactly Twila Camp describes this interconnected information system as a virtual city that everyone owns and explains how it's organized in a way that mimics our brain's natural way of thinking. Lesson by Twila Camp animation by Flaming Medusa Studios Inc. Twila Camp Flaming Medusa Studios Inc. world wide web WWW internet the web"
YouTube Link 2014-05-12T15:06Z 22.4M followers, 1.5M engagements

"What makes a poem a poem - Melissa Kovacs View full lesson: http://ed.ted.com/lessons/what-makes-a-poem-a-poem-melissa-kovacs What exactly makes a poem a poem Poets themselves have struggled with this question often using metaphors to approximate a definition. Is a poem a little machine A firework An echo A dream Melissa Kovacs shares three recognizable characteristics of most poetry. Lesson by Melissa Kovacs animation by Ace & Son Moving Picture Co. LLC. #poetry TED TED-Ed TED Ed TED Education Ace & Son Moving Picture Co. Melissa Kovacs poetry lyric art song haiku E. E. Cummings Muhammad Ali"
YouTube Link 2017-03-20T15:06Z 22.4M followers, 4.4M engagements

"How to write comedy - Jodie Houlston-Lau Download a free audiobook version of Born A Crime and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed -- It may seem counterintuitive but comedy is often key to a serious story. As a writer you need your audience to experience a range of emotions no matter what your genre. Comic relief is a tried-and-true way of creating the varied emotional texture a compelling story needs. So how can you create this effect in your own stories Jodie Houlston-Lau shares some tips for lightening the mood. Lesson by Jodie Houlston-Lau directed by Joe"
YouTube Link 2021-11-16T16:01Z 22.4M followers, 454.3K engagements

"The most common STI in the world - Emma Bryce Get informed on the causes and risks of human papillomavirus HPV and how to protect yourself from the infection. -- At some point most sexually active people will be infected with human papillomavirus or HPV. There are over [---] types of HPV and most of the time the body eliminates infections without symptoms but some strains can pose serious health risks down the line. How can you protect yourself from HPV Emma Bryce explains how the virus causes harm whos at risk and how to minimize those risks. Lesson by Emma Bryce directed by Sharon Colman."
YouTube Link 2019-07-09T15:01Z 22.4M followers, 909.2K engagements

"Using radioactive drugs to see inside your body - Pedro Brugarolas Investigate the science behind how doctors use radioactive drugs and PET scans to detect and diagnose diseases like Alzheimers and cancer. -- Is there a way to detect diseases like cancer and Alzheimers before they advance too far Doctors are using injected radioactive drugs that circulate through the body and act as a beacon for PET scanners. These diagnostic tools can detect the spread of diseases before they can be spotted with other types of imaging. So how exactly does this work and is it safe Pedro Brugarolas"
YouTube Link 2019-03-19T15:01Z 22.4M followers, 389.7K engagements

"The myth of Loki and the master builder - Alex Gendler Dive into the Norse myth of how Loki tricked a stranger into building the great wall of Asgard to keep the realm safe from giants. -- Asgard a realm of wonders was where the Norse Gods made their home. There Odins great hall of Valhalla towered above the mountains and Bifrost the rainbow bridge anchored itself. Though their domain was magnificent it stood undefended from the giants and trolls who sought to destroy them. But a stranger appeared and made the gods an offer. Alex Gendler details the myth of the master builder. Lesson by Alex"
YouTube Link 2019-11-14T16:00Z 22.4M followers, 2.7M engagements

"Is marijuana bad for your brain - Anees Bahji Explore how marijuanas two main active compounds THC and CBD affect your brain and body and what risk factors to watch out for. -- In [----] marijuana was classified as a schedule [--] drug in the United States: the strictest designation possible meaning it was completely illegal and had no recognized medical uses. Today marijuanas therapeutic benefits are widely acknowledged but a growing recognition for its medical value doesnt answer the question: is recreational marijuana use bad for your brain Anees Bahji investigates. Lesson by Anees Bahji"
YouTube Link 2019-12-02T16:01Z 22.4M followers, 10.7M engagements

"Light waves visible and invisible Each kind of light has a unique wavelength but human eyes can only perceive a tiny slice of the full spectrum -- the very narrow range from red to violet. Microwaves radio waves x-rays and more are hiding invisible just beyond our perception. Here is a closer look at the waves we can't see. Animated by Pew36 Animation Studios"
YouTube Link 2013-09-19T15:20Z 22.4M followers, 1.2M engagements

"Ethical dilemma: Would you lie - Sarah Stroud Puzzle through the ethical dilemma of lying to a friend and decide: is lying always wrong or can it be justifiable -- Your plan to set up your friend Carey with your acquaintance Emerson is finally coming together. Youve made them a dinner reservation but suddenly realize that there's a problem: Carey is always late. You really want this relationship to work what if you told Carey dinner was at [--] instead of 6:30 so they arrived on time Is it okay to lie Sarah Stroud explores this classic ethical dilemma. Lesson by Sarah Stroud directed by Avi"
YouTube Link 2022-06-02T15:00Z 22.4M followers, 1.4M engagements

"Light seconds light years light centuries: How to measure extreme distances - Yuan-Sen Ting View full lesson: http://ed.ted.com/lessons/how-do-we-measure-distances-in-space-yuan-sen-ting When we look at the sky we have a flat two-dimensional view. So how do astronomers figure the distances of stars and galaxies from Earth Yuan-Sen Ting shows us how trigonometric parallaxes standard candles and more help us determine the distance of objects several billion light years away from Earth. Lesson by Yuan-Sen Ting animation by TED-Ed. Yuan-Sen Ting astronomy Jeremiah Dickey space how to measure"
YouTube Link 2014-10-09T15:08Z 22.4M followers, 3.7M engagements

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

"The science of skin - Emma Bryce Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-science-of-skin-emma-bryce Between you and the rest of the world lies an interface that makes up 16% of your physical weight. This is your skin the largest organ in your body: laid out flat it would cover close to [---] square metres of ground. But besides keeping your organs in what is its purpose Emma Bryce takes us into the integumentary system to find out. Lesson by Emma Bryce animation by Augenblick Studios. Thank you so much to our patrons for your"
YouTube Link 2018-03-12T15:00Z 22.4M followers, 2.2M engagements

"The benefits of good posture - Murat Dalkilin View full lesson: http://ed.ted.com/lessons/the-benefits-of-good-posture-murat-dalkinic Has anyone ever told you Stand up straight or scolded you for slouching at a family dinner Comments like that might be annoyingbut theyre not wrong. Your posture is the foundation for every movement your body makes and can determine how well your body adapts to the stresses on it. Murat Dalkilin gives the pros of good posture. Lesson by Murat Dalkilin animation by Nadav Arbel. Posture Spine Center of gravity Technology Phone Computer Slouch Nadav Arbel Murat"
YouTube Link 2015-07-30T15:00Z 22.4M followers, 17.4M engagements

"Why is it so hard to cure ALS - Fernando G. Vieira Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-is-it-so-hard-to-cure-als-fernando-vieira Amyotrophic Lateral Sclerosis (ALS) also called motor neuron disease and Lou Gehrigs Disease affects about two out of every [------] people worldwide. When a person has ALS their motor neurons - the cells responsible for all voluntary muscle control in the body - lose function and die. Fernando G. Vieira shares what we know (and don't know) about ALS. Lesson by Fernando G. Vieira animation by"
YouTube Link 2018-05-31T15:02Z 22.4M followers, 525.6K engagements

"How does your immune system work - Emma Bryce Explore how your immune systems vast network of cells tissues and organs coordinate your bodys defenses against bacteria viruses and toxins. -- The immune system is a vast network of cells tissues and organs that coordinate your bodys defenses against any threats to your health. Without it youd be exposed to billions of bacteria viruses and toxins that could make something as minor as a paper cut or a seasonal cold fatal. So how does it work Emma Bryce takes you inside the body to find out. Lesson by Emma Bryce animation by Cabong Studios. Sign up"
YouTube Link 2018-01-08T15:58Z 22.4M followers, 5.1M engagements

"Why should you read "Hamlet" - Iseult Gillespie Explore William Shakespeares classic tragedy Hamlet a play about conspiracy deception and the tragic consequences of indecision. -- Whos there Whispered in the dark this question begins a tale of conspiracy deception and moral ambiguity. And in a play where everyone has something to hide its answer is far from simple. Written by William Shakespeare Hamlet depicts its titular character haunted by the past but immobilized by the future. Iseult Gillespie digs into the humanity and tragedy of Hamlet. Lesson by Iseult Gillespie directed by Lucy"
YouTube Link 2019-06-25T15:00Z 22.4M followers, 2.1M engagements

"Would you raise the bird that murdered your children - Steve Rothstein Dig into the evolutionary strategy of brood parasitism where one animal tricks another into rearing its young. -- A mother honeyguide has placed its chick into a bee-eaters nest puncturing all the other eggs in the nest and leaving only its own hatching alive. Over the following weeks the host parents devotedly care for the hatchling whose mother murdered their offspring. This is brood parasitism a phenomenon which is especially well-known among birds. Steve Rothstein digs into the evolutionary strategy. Lesson by Steve"
YouTube Link 2021-12-14T16:00Z 22.4M followers, 2.5M engagements

"What is bipolar disorder - Helen M. Farrell Explore the medical condition known as bipolar disorder and learn about its symptoms causes and treatments. -- The word bipolar means two extremes. For the many millions experiencing bipolar disorder around the world life is split between two different realities: elation and depression. So what causes this disorder And can it be treated Helen M. Farrell describes the root causes and treatments for bipolar disorder. Lesson by Helen M Farrell animation by Uncle Ginger. Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Support us on Patreon:"
YouTube Link 2017-02-09T15:59Z 22.4M followers, 14.5M engagements

"The fundamentals of space-time: Part [--] - Andrew Pontzen and Tom Whyntie View full lesson: http://ed.ted.com/lessons/the-fundamentals-of-space-time-part-1-andrew-pontzen-and-tom-whyntie Space is where things happen. Time is when things happen. And sometimes in order to really look at the universe you need to take those two concepts and mash them together. In this first lesson of a three-part series on space-time hilarious hosts Andrew Pontzen and Tom Whyntie go through the basics of space and time individually and use a flip book to illustrate how we can begin to look at them together. Lesson"
YouTube Link 2014-03-24T15:00Z 22.4M followers, 1.6M engagements

"Whats that ringing in your ears - Marc Fagelson Travel into the auditory system to explore the constant ringing sensation of tinnitus why it happens and how to treat it. -- Tinnitus has been bothering humanity since Ancient Babylon plaguing everyone from Leonardo da Vinci to Charles Darwin. Today roughly one in seven people worldwide experiences this auditory sensation. So what exactly is tinnitus and where does this persistent sound come from Marc Fagelson travels into the auditory system to explore the loss of silence. Lesson by Marc Fagelson directed by Zedem Media. Animator's website:"
YouTube Link 2020-08-17T14:59Z 22.4M followers, 7.4M engagements

"Try something new for [--] days - Matt Cutts View full lesson: http://ed.ted.com/lessons/try-something-new-for-30-days-matt-cutts Is there something you've always meant to do wanted to do but just . haven't Matt Cutts suggests: Try it for [--] days. This short lighthearted talk offers a neat way to think about setting and achieving goals. Talk by Matt Cutts. [--] day challenge goals achieve goals how to achieve Matt Cutts TED-Ed TED TED Talk Ed TEDEducation [--] day challenge goals achieve goals how to achieve Matt Cutts TED-Ed TED TED Talk Ed TEDEducation"
YouTube Link 2013-04-05T20:22Z 22.4M followers, 2.4M engagements

"The philosophy of cynicism - William D. Desmond Explore the ancient Greek philosophy of cynicism which calls for the rejection of materialism and conformity in favor of a simple life. -- In the 4th century BCE a young Diogenes of Sinope was found to be counterfeiting coins. He was stripped of his citizenship his money all his possessions and sent into exile. He decided he would live self-sufficiently close to nature without materialism vanity or conformity and only then could he be truly free. William D. Desmond details how Diogenes gave rise to the philosophy of cynicism. Lesson by William"
YouTube Link 2019-12-19T16:02Z 22.4M followers, 4.5M engagements

"The first asteroid ever discovered - Carrie Nugent Check out all of TED-Ed's book recommendations: http://ed.ted.com/books Check out Carrie Nugent's "Asteroid Hunters": https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/asteroid-hunters View full lesson: https://ed.ted.com/lessons/the-first-asteroid-ever-discovered-carrie-nugent Over the course of history weve discovered hundreds of thousands of asteroids. But how do astronomers discover these bits of rock and metal How many have they found And how do they tell asteroids apart Carrie Nugent shares the story of the very"
YouTube Link 2017-10-16T15:02Z 22.4M followers, 308.2K engagements

"The wars that inspired Game of Thrones - Alex Gendler View full lesson: http://ed.ted.com/lessons/the-wars-that-inspired-game-of-thrones-alex-gendler Beginning around [----] medieval England was shaken by a power struggle between two noble families which spanned generations and involved a massive cast of characters complex motives and shifting loyalties. Sound familiar Alex Gendler illustrates how the historical conflict known as the Wars of the Roses served as the basis for much of the drama in Game of Thrones. Lesson by Alex Gendler animation by Brett Underhill. Game of thrones History"
YouTube Link 2015-05-11T15:10Z 22.4M followers, 7.4M engagements

"The dark history of IQ tests - Stefan C. Dombrowski Explore the history of IQ tests; how they measure a persons intelligence and the ways they have been used to justify scientifically baseless ideologies. -- In [----] psychologists Alfred Binet and Thodore Simon designed a test for children who were struggling in school in France. Designed to determine which children required individualized attention their method formed the basis of the modern IQ test. So how do IQ tests work and are they a true reflection of intelligence Stefan C. Dombrowski explores how the tests have been used throughout"
YouTube Link 2020-04-27T15:00Z 22.4M followers, 2.6M engagements

"Would you opt for a life with no pain - Hayley Levitt and Bethany Rickwald View full lesson: http://ed.ted.com/lessons/would-you-opt-for-a-life-with-no-pain-hayley-levitt-and-bethany-rickwald Imagine if you could plug your brain into a machine that would bring you ultimate pleasure for the rest of your life. The only catch You have to permanently leave reality behind. Hayley Levitt and Bethany Rickwald explore Robert Nozicks thought experiment that he called the Experience Machine. Lesson by Hayley Levitt and Bethany Rickwald animation by Avi Ofer. TED TED-Ed TEDx TED Education Philosophy"
YouTube Link 2015-11-17T16:08Z 22.4M followers, 3.4M engagements

"Can you solve the multiplying rabbits riddle - Alex Gendler Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter View full lesson: https://ed.ted.com/lessons/can-you-solve-the-multiplying-rabbits-riddle-alex-gendler After years of experiments youve finally created the pets of the future nano-rabbits Theyre tiny theyre fuzzy . and they multiply faster than the eye can see. But a rival lab has sabotaged you threatening the survival of your new friends. Can you figure out how to avert this hare-raising catastrophe Alex Gendler shows how. Lesson by Alex Gendler"
YouTube Link 2019-01-10T16:12Z 22.4M followers, 4.7M engagements

"When to use "me" "myself" and "I" - Emma Bryce View full lesson: http://ed.ted.com/lessons/when-to-use-me-myself-and-i-emma-bryce Me myself and I. You may be tempted to use these words interchangeably because they all refer to the same thing. But in fact each one has a specific role in a sentence: I is a subject pronoun me is an object pronoun and myself is a reflexive or intensive pronoun. Emma Bryce explains what each role reveals about where each word belongs. Lesson by Emma Bryce animation by Karrot Animation. Grammar Syntax English language Linguistics Pronouns First person pronouns TED"
YouTube Link 2015-09-14T15:04Z 22.4M followers, 475.7K engagements

"Why should you listen to Vivaldi's "Four Seasons" - Betsy Schwarm View full lesson: http://ed.ted.com/lessons/why-should-you-listen-to-vivaldi-s-four-seasons-betsy-schwarm Light bright and cheerful "The Four Seasons" by Antonio Vivaldi is some of the most familiar of all early 18th century music featured in numerous films and television commercials. But what is its significance and why does it sound that way Betsy Schwarm uncovers the underlying narrative of this musical masterpiece. Lesson by Betsy Schwarm animation by Compote Collective. Betsy Schwarm Compote Collective Vivaldi Four Seasons"
YouTube Link 2016-10-24T15:16Z 22.4M followers, 4.9M engagements

"The science of laughter - Sasha Winkler Explore the common scientific theories about why humans laugh and how this universal behavior evolved. -- Isnt it odd that when somethings funny you might show your teeth change your breathing become weak and achy in some places and maybe even cry In other words why do we do this bizarre thing that is laughter Since theres no archaeological record of laughter its impossible to say exactly how and why it evolved but scientists have some theories. Sasha Winkler digs into the reflex. Lesson by Sasha Winkler directed by Hanna Rybak. Animal vocalization"
YouTube Link 2023-12-21T16:01Z 22.4M followers, 1.6M engagements

"A brief history of cannibalism - Bill Schutt Human cannibalism is a lot more common than you might think. Dive into its complex history and see its uses in medicine cultural rituals and in times of survival. -- 15th century Europeans believed they had hit upon a miracle cure: a remedy for epilepsy hemorrhage bruising nausea and virtually any other medical ailment. It was a brown powder known as mumia and was made by grinding up mummified human flesh. But just how common is human cannibalism and how do cultures partake in it Bill Schutt explores the complex history of cannibalism. Lesson by"
YouTube Link 2019-07-25T15:01Z 22.4M followers, 5.3M 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

"The Arctic vs. the Antarctic - Camille Seaman View full lesson: http://ed.ted.com/lessons/the-arctic-vs-the-antarctic-camille-seaman How can you tell the two poles apart Where are the penguins What about the bears The Arctic pole is located in the Northern Hemisphere within the deep Arctic Ocean while the Antarctic pole is smack in the middle of the ice-covered Antarctica. Camille Seaman describes how enterprising people and organisms have found ways to reside around both poles despite the frigid temperatures. Lesson by Camille Seaman animation by Provincia Studio. Camille Seaman Provincia"
YouTube Link 2013-08-19T15:35Z 22.4M followers, 5M engagements

"What happens when you share an idea Episode 1: Learn how to identify the qualities that make an idea worth sharing with an audience. -- This is episode [--] of the animated series Public Speaking [---]. Ideas change everything and since language lets us share our ideas learning how to use it well gives speakers the power to inspire people and even change how they think. This 11-episode course will teach you how to identify develop and share your best ideas while mastering essential communication skills along the way. Directed by Tolga Yldz Kozmonot Animation Studio. The TED-Ed Student Talks"
YouTube Link 2025-07-01T14:58Z 22.4M followers, 284.7K engagements

"Why can't you put metal in a microwave - Aaron Slepkov Dig into the science of how microwave ovens use electromagnetic waves to heat your food and what you should avoid cooking in them. -- In [----] engineer Percy Spencer was standing near a RADAR device that produced high-intensity microwaves and noticed that his candy bar had melted. He then exposed popcorn kernels to the magnetron device and sure enough they popped. Soon after the first microwave oven became available using the very same technology. So how does it work Aaron Slepkov explores the science of microwave ovens. Lesson by Aaron"
YouTube Link 2024-02-15T16:00Z 22.4M followers, 2M engagements

"How to build a fictional world - Kate Messner View full lesson: http://ed.ted.com/lessons/how-to-build-a-fictional-world-kate-messner Why is J.R.R. Tolkien's Lord of the Rings trilogy so compelling How about The Matrix or Harry Potter What makes these disparate worlds come alive are clear consistent rules for how people societies -- and even the laws of physics -- function in these fictional universes. Author Kate Messner offers a few tricks for you too to create a world worth exploring in your own words. Lesson by Kate Messner animation by Avi Ofer. Kate Messner Avi Ofer writing fictional"
YouTube Link 2014-01-09T16:06Z 22.4M followers, 8.2M engagements

"What is imposter syndrome and how can you combat it - Elizabeth Cox Explore the psychology behind imposter syndrome and get tips on how you can combat feelings of doubt in your accomplishments. -- Even after writing eleven books and winning several awards Maya Angelou couldnt escape the doubt that she hadnt earned her accomplishments. This feeling of fraudulence is extremely common. Why cant so many of us shake feelings that our ideas and skills arent worthy of others attention Elizabeth Cox describes the psychology behind the imposter syndrome and what you can do to combat it. Lesson by"
YouTube Link 2018-08-28T15:01Z 22.4M followers, 5M engagements

"Is it possible to create a perfect vacuum - Rolf Landua and Anais Rassat Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/is-it-possible-to-create-a-perfect-vacuum-rolf-landua-and-anais-rassat The universe is bustling with matter and energy. Even in the vast apparent emptiness of intergalactic space theres one hydrogen atom per cubic meter. But is there such thing as a total absence of everything Is it possible to make a completely empty space Rolf Landua and Anais Rassat explain the science behind vacuums. Lesson by Rolf Landua and Anais"
YouTube Link 2017-09-12T15:02Z 22.4M followers, 1.1M engagements

"The psychology of narcissism - W. Keith Campbell View full lesson: http://ed.ted.com/lessons/the-psychology-of-narcissism-w-keith-campbell Narcissism isnt just a personality type that shows up in advice columns; its actually a set of traits classified and studied by psychologists. But what causes it And can narcissists improve on their negative traits W. Keith Campbell describes the psychology behind the elevated and sometimes detrimental self-involvement of narcissists. Lesson by W. Keith Campbell animation by TOGETHER. W. Keith Campell TOGETHER narcissism narcissistic personality disorder"
YouTube Link 2016-02-23T16:20Z 22.4M followers, 15.9M engagements

"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

"Why certain naturally occurring wildfires are necessary - Jim Schulz View full lesson: http://ed.ted.com/lessons/why-wildfires-are-necessary-jim-schulz Our early ancestors relied on lightning to cause forest fires from which they could collect coals and burning sticks to help them cook food and clear land. Yet it wasnt just humans who benefited from these natural phenomena. Even as they destroyed trees fires also helped the forests themselves. Jim Schulz outlines the benefits of wildfire. Lesson by Jim Schulz animation by Provincia Studio. Jim Schulz Provincia Studio wildfire forest fire"
YouTube Link 2016-02-02T15:59Z 22.4M followers, 1.7M engagements

"Are the illuminati real - Chip Berlet Download a free audiobook version of "The Pillars of the Earth" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed Check out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/illuminati -- The year was [----]. In Bavaria new ideals of rationalism religious freedom and universal human rights competed with the Catholic churchs heavy influence over public affairs. Adam Weishaupt a law professor frustrated with the Churchs ideology decided to spread his ideas through a secret society: the"
YouTube Link 2019-10-31T15:00Z 22.4M followers, 5.4M engagements

"Why should you read "Don Quixote" - Ilan Stavans Check out our Patreon page: https://www.patreon.com/teded Mounting his skinny steed Don Quixote charges an army of giants. It is his duty to vanquish these behemoths in the name of his beloved lady Dulcinea. Theres only one problem: the giants are merely windmills. What is it about this tale of the clumsy yet valiant knight that makes it so beloved Ilan Stavans investigates. Lesson by Ilan Stavans directed by Avi Ofer. Thank you so much to our patrons for your support Without you this video would not be possible Boytsov Ilya maxi kobi einy"
YouTube Link 2018-10-08T15:01Z 22.4M followers, 3.3M engagements

"5 tips to improve your critical thinking - Samantha Agoos View full lesson: http://ed.ted.com/lessons/5-tips-to-improve-your-critical-thinking-samantha-agoos Every day a sea of decisions stretches before us and its impossible to make a perfect choice every time. But there are many ways to improve our chances and one particularly effective technique is critical thinking. Samantha Agoos describes a 5-step process that may help you with any number of problems. Lesson by Samantha Agoos animation by Nick Hilditch. Samantha Agoos Nick Hilditch critical thinking decision making how to make decision"
YouTube Link 2016-03-15T14:58Z 22.4M followers, 11.8M 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

"The history of African-American social dance - Camille A. Brown View full lesson: http://ed.ted.com/lessons/the-history-of-african-american-social-dance-camille-a-brown Why do we dance African-American social dances started as a way for enslaved Africans to keep cultural traditions alive and retain a sense of inner freedom. They remain an affirmation of identity and independence. In this electric demonstration packed with live performances choreographer educator and TED Fellow Camille A. Brown explores what happens when communities let loose and express themselves by dancing together. Lesson"
YouTube Link 2016-09-27T15:08Z 22.4M followers, 853.9K engagements

"The hidden meanings of yin and yang - John Bellaimey View full lesson here: http://ed.ted.com/lessons/the-hidden-meanings-of-yin-and-yang-john-bellaimey The ubiquitous yin-yang symbol holds its roots in Taoism/Daoism a Chinese religion and philosophy. The yin the dark swirl is associated with shadows femininity and the trough of a wave; the yang the light swirl represents brightness passion and growth. John Bellaimey explains why we all contain the spirit of yin and of yang -- and how we can achieve a balance of both in our lives. Lesson by John Bellaimey animation by TED-Ed. TED"
YouTube Link 2013-08-02T15:02Z 22.4M followers, 5.1M engagements

"The genius of Mendeleev's periodic table - Lou Serico View full lesson: http://ed.ted.com/lessons/the-genius-of-mendeleev-s-periodic-table-lou-serico The elements had been listed and carefully arranged before Dmitri Mendeleev. They had even been organized by similar properties before. So why is Mendeelev's periodic table the one that has endured Lou Serico explains via eka-aluminum an element whose existence Mendeelev predicted years before it was discovered. Lesson by Lou Serico animation by TED-Ed. TEDEducation TED-Ed TED Ed periodic table Dmitri Mendeleev Mendeleev chemistry elements table"
YouTube Link 2012-11-21T15:59Z 22.4M followers, 3.5M engagements

"What Machiavellian really means - Pazit Cahlon and Alex Gendler Download a free audiobook version of "The Art of War" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed Check out our full book recommendation: https://shop.ed.ted.com/products/the-art-of-war -- From Shakespeares plays to modern TV dramas the unscrupulous schemer for whom the ends always justify the means has become a familiar character type we love to hate. For centuries weve had a single word to describe such characters: Machiavellian. But is it possible that weve been using that word wrong this whole time"
YouTube Link 2019-03-25T15:00Z 22.4M followers, 3.5M engagements

"Why did people wear powdered wigs - Stephanie Honchell Smith Trace the rise and fall of the powdered wig fashion craze from King Louis XIII to the French Revolution in the 18th century. -- Wigs date at least as far back as ancient Egypt where well-regarded hairdressers crafted them into intricate styles. And under certain ancient Roman dynasties womens wigs became particularly ornate. Yet it wasnt until Louis XIII unveiled a magnificent mane in the 17th century that big wigs truly began booming. Stephanie Honchell Smith details the rise and fall of the bewigged fashion craze. Lesson by"
YouTube Link 2024-08-01T14:01Z 22.4M followers, 1M engagements

"Historys deadliest colors - J. V. Maranto View full lesson: http://ed.ted.com/lessons/history-s-deadliest-colors-j-v-maranto When radium was first discovered its luminous green color inspired people to add it into beauty products and jewelry. It wasnt until much later that we realized that radiums harmful effects outweighed its visual benefits. Unfortunately radium isnt the only pigment that historically seemed harmless or useful but turned out to be deadly. J. V. Maranto details historys deadliest colors. Lesson by J. V. Maranto animation by Juan M. Urbina. TED TED-Ed TED Education TED Ed J."
YouTube Link 2017-05-22T15:02Z 22.4M followers, 8.6M engagements

"Everything you need to know to read The Canterbury Tales - Iseult Gillespie Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/everything-you-need-to-know-to-read-the-canterbury-tales-iseult-gillespie A portly Miller barely able to sit on his horse rambles on about the flighty wife of a crotchety old carpenter and the scholar she takes as her lover. This might sound like a bawdy joke but its part of one of the most esteemed works of English literature ever created: The Canterbury Tales. Iseult Gillespie shares everything you need to know to"
YouTube Link 2018-10-02T15:02Z 22.4M followers, 1.1M engagements

"Ugly History: Japanese American incarceration camps - Densho Dig into the historic injustice of Japanese American incarceration camps also known as internment camps during World War II. -- On December [--] [----] [--] year-old Aki Kurose shared in the horror of millions of Americans when Japanese planes attacked Pearl Harbor. Unbeknownst to her this shared experience would soon leave her family and over [------] Japanese Americans alienated from their country both socially and physically. Densho explores the racism and paranoia that led to the unjust internment of Japanese Americans. Lesson by Densho"
YouTube Link 2019-10-01T15:01Z 22.4M followers, 1.9M engagements

"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

"Can you solve the computer virus riddle - James Tanton Practice more problem-solving at https://brilliant.org/TedEd -- Your antivirus squad is up against a code thats hijacked your mainframe. What youve learned from other infected systems right before they went dark is that it likes to toy with antivirus agents in a very peculiar way and youre the agent thats been selected to go up against the malware. Can you figure out which disk that runs your mainframe has been corrupted James Tanton shows how. Lesson by James Tanton directed by Igor Coric Artrake Studio. Support Our Non-Profit Mission"
YouTube Link 2021-10-19T15:01Z 22.4M followers, 1.4M engagements

"How to manage your time more effectively (according to machines) - Brian Christian Download a free audiobook and support TED-Ed's nonprofit mission: http://adbl.co/2lFSkUw Check out Brian Christian and Tom Griffiths' "Algorithms to Live By": http://bit.ly/2CadQrt View full lesson: https://ed.ted.com/lessons/how-to-manage-your-time-more-effectively-according-to-machines-brian-christian Human beings and computers alike share the challenge of how to get as much done as possible in a limited time. Over the last fifty or so years computer scientists have learned a lot of good strategies for"
YouTube Link 2018-01-02T15:58Z 22.4M followers, 7.8M 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

"The true story behind the legend of the [--] Rnin - Adam Clulow Dig into one of Japans most infamous stories about the [--] samurai who take revenge for the loss of their leader. -- Asano Naganori lord of Ak domain fixed his gaze on Kira Yoshinaka a senior master of ceremony. Asano extended his short sword charged through the castle and struck Kira. While the wound wasnt fatal its consequences would be. What brought about this violent quarrel And what would come of Asano and his samurai Adam Clulow shares the legend of the [--] Rnin and their quest for revenge. Lesson by Adam Clulow directed by"
YouTube Link 2024-04-09T15:00Z 22.4M followers, 577.4K 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

"Stroke of insight - Jill Bolte Taylor View full lesson: http://ed.ted.com/lessons/jill-bolte-taylor-s-stroke-of-insight Brain researcher Jill Bolte Taylor studied her own stroke as it happened -- and has become a powerful voice for brain recovery. Talk by Jill Bolte Taylor. Jill Bolte Taylor TEDEducation TED-Ed TED Ed stroke brain Jill Bolte Taylor TEDEducation TED-Ed TED Ed stroke brain"
YouTube Link 2012-11-14T16:00Z 22.4M followers, 401.8K 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

"How do our brains process speech - Gareth Gaskell Learn how to identify develop and share your best ideas with TED Masterclass: http://bit.ly/tedmasterclass -- The average 20-year-old knows between [-----] and [-----] different words. Spoken out loud most of these words last less than a second. With every word the brain has a quick decision to make: which of those thousands of options matches the signal And about 98% of the time the brain chooses the correct word. How is this possible Gareth Gaskell digs into the complexities of speech comprehension. Lesson by Gareth Gaskell directed by Art Shot."
YouTube Link 2020-07-23T15:00Z 22.4M followers, 462.1K engagements

"How to uncover your best ideas Episode 2: Uncover your best ideas by exploring your unique experiences interests and perspective. -- This is episode [--] of the animated series Public Speaking [---]. Ideas change everything and since language lets us share our ideas learning how to use it well gives speakers the power to inspire people and even change how they think. This 11-episode course will teach you how to identify develop and share your best ideas while mastering essential communication skills along the way. Directed by Tolga Yldz Kozmonot Animation Studio. The TED-Ed Student Talks program"
YouTube Link 2025-07-08T15:00Z 22.4M followers, 264.1K engagements

"How Magellan circumnavigated the globe - Ewandro Magalhaes View full lesson: http://ed.ted.com/lessons/how-magellan-circumnavigated-the-globe-ewandro-magalhaes On September [--] [----] the "Victoria" sailed into harbor in southern Spain. The battered vessel and its [--] sailors were all that remained of a fleet that had departed three years before. Yet her voyage was considered a success for the "Victoria" had achieved something unprecedented the first circumnavigation of the globe. Ewandro Magalhaes shares the story of Magellans journey. Lesson by Ewandro Magalhaes animation by TED-Ed. TED TED-Ed"
YouTube Link 2017-03-30T15:07Z 22.4M followers, 1.9M engagements

"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

"Can you solve the counterfeit coin riddle - Jennifer Lu View full lesson: http://ed.ted.com/lessons/can-you-solve-the-counterfeit-coin-riddle-jennifer-lu Youre the realms greatest mathematician but ever since you criticized the Emperors tax laws youve been locked in the dungeon. Luckily for you one of the Emperors governors has been convicted of paying his taxes with a counterfeit coin which has made its way into the treasury. Can you earn your freedom by finding the fake Jennifer Lu shows how. Lesson by Jennifer Lu animation by Artrake Studio. TED TED Ed TED-Ed Ted Education Jennifer Lu"
YouTube Link 2017-01-03T16:04Z 22.4M followers, 9.2M 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

"How many ways can you arrange a deck of cards - Yannay Khaikin View full lesson: http://ed.ted.com/lessons/how-many-ways-can-you-arrange-a-deck-of-cards-yannay-khaikin One deck. Fifty-two cards. How many arrangements Let's put it this way: Any time you pick up a well shuffled deck you are almost certainly holding an arrangement of cards that has never before existed and might not exist again. Yannay Khaikin explains how factorials allow us to pinpoint the exact (very large) number of permutations in a standard deck of cards. Lesson by Yannay Khaikin animation by The Moving Company Animation"
YouTube Link 2014-03-27T15:06Z 22.4M followers, 1.7M engagements

"The best stats you've ever seen - Hans Rosling View full lesson: http://ed.ted.com/lessons/hans-rosling-shows-the-best-stats-you-ve-ever-seen You've never seen data presented like this. With the drama and urgency of a sportscaster statistics guru Hans Rosling debunks myths about the so-called "developing world." Talk by Hans Rosling. Hans Rosling TED TED-Ed TED Ed TEDEducation data Hans Rosling TED TED-Ed TED Ed TEDEducation data"
YouTube Link 2013-07-13T15:04Z 22.4M followers, 462.2K engagements

"Artemisia Gentileschi: The woman behind the paintings - Allison Leigh Get to know the story of Artemisia Gentileschi one of the most accomplished artists of the 17th century. -- The biblical story of the heroine Judith slaying the brutal Holofernes is featured in countless works of art including the Sistine Chapel. But the most iconic depiction was painted by an artist who tackled this ambitious scene when she was just [--] years old. Her name was Artemisia Gentileschi. So who was Artemisia and what sets her depiction apart from the rest Allison Leigh investigates. Lesson by Allison Leigh"
YouTube Link 2022-06-16T15:00Z 22.4M followers, 542.4K engagements

"Inside the ant colony - Deborah M. Gordon View full lesson: http://ed.ted.com/lessons/inside-the-ant-colony-deborah-m-gordon Ants have one of the most complex social organizations in the animal kingdom; they live in structured colonies that contain different types of members who perform specific roles. Sound familiar Deborah M. Gordon explains the way these incredible creatures mate communicate and source food shedding light on how their actions can mimic and inform our own behavior. Lesson by Deborah M. Gordon animation by Steve Belfer Creative Inc. Steve Belfer Deborah Gordon ant colony ant"
YouTube Link 2014-07-08T15:03Z 22.4M followers, 2.1M engagements

"How smart are crows - Katharina Brecht Learn more at https://brilliant.org/TedEd -- In one of Aesops fables a crow is searching for water. It spies a pitcher but the water inside is beyond its reach. So the crow begins dropping in pebbles. One-by-one they displace the water and the crow quenches its thirst. This is just one of many fascinating displays of intelligence from corvids. Katharina Brecht digs into what makes this bold brainy family of songbirds so smart. Lesson by Katharina Brecht directed by Irida Zhonga. This video made possible in collaboration with Brilliant Learn more about"
YouTube Link 2025-08-14T15:00Z 22.4M followers, 1.2M engagements

"Whats in the air you breathe - Amy Hrdina and Jesse Kroll Together nitrogen oxygen and argon make up 99.93% of our air. So whats the other .07% Find out what makes up the air you breathe. -- Take a deep breath. In a single intake of air your lungs swell with roughly [--] sextillion molecules ranging from days-old compounds to those formed billions of years in the past. In fact many of the molecules youre breathing were likely exhaled by members of ancient civilizations and innumerable humans since. But what exactly are we all breathing Amy Hrdina and Jesse Kroll investigate. Lesson by Amy"
YouTube Link 2021-05-10T15:00Z 22.4M followers, 426K engagements

"Are we living in a simulation - Zohreh Davoudi Is our reality a detailed computer simulation And how can we know for sure Explore the scientific and philosophical theories surrounding this debate. -- All life on Earth living and inanimate microscopic and cosmic is governed by mathematical laws with apparently arbitrary constants. And this opens up a question: If the universe is completely governed by these laws couldnt a powerful enough computer simulate it exactly Could our reality actually be a detailed simulation set in place by a more advanced civilization Zohreh Davoudi investigates."
YouTube Link 2019-10-08T15:00Z 22.4M followers, 1.5M engagements

"The worlds largest organism - Alex Rosenthal Discover the worlds largest organism: Pando an enormous and ancient quaking aspen and find out how it became so huge. -- The largest animal in the world is the blue whale which weighs a massive [---] metric tons. Even so its not remotely close to being the largest organism by weight. That title goes to an organism so huge that its estimated to weigh the equivalent of [--] blue whales. So what is this behemoth And where is it Alex Rosenthal shares the story of the enormous and ancient Pando. Lesson by Alex Rosenthal directed by Lisa LaBracio. Support"
YouTube Link 2020-12-07T16:01Z 22.4M followers, 742.1K engagements

"What if cracks in concrete could fix themselves - Congrui Jin Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/what-if-cracks-in-concrete-could-fix-themselves-congrui-jin Concrete is the most widely used construction material in the world. It can be found in swathes of city pavements bridges that span vast rivers and the tallest skyscrapers on earth. But it does have a weakness: its prone to catastrophic cracking that has immense financial and environmental impact. What if we could avoid that problem Congrui Jin explores how to create a"
YouTube Link 2018-10-16T15:00Z 22.4M followers, 1.5M engagements

"The surprisingly long history of electric cars - Daniel Sperling and Gil Tal Can electric cars reclaim their place on the road Discover how developments in battery technology are making these cars more efficient and powerful. -- By the end of the 19th century nearly 40% of American cars were electric. But these vehicles had a few major problems early car batteries were expensive and inefficient and the vehicles were twice the price of a gas-powered car. And so for the next several decades gas-powered cars dominated the market. Can electric cars reclaim their place on the road Daniel Sperling"
YouTube Link 2021-10-26T15:01Z 22.4M followers, 606K engagements

"How does whale communication work - David Gruber and Shane Gero Explore how sperm whales use an array of complex vocalizations to communicate with each other hunt and assess their surroundings. -- Soon after whaling ships began operating in the North Pacific an interesting trend emerged. Within just a few years whalers saw a 58% drop in their successful strikes. Sperm whales had suddenly become harder to kill they had begun fleeing the boats instead of forming their usual defensive circles. Were whales communicating new strategies to each other David Gruber and Shane Gero investigate. Lesson"
YouTube Link 2023-12-14T16:00Z 22.4M followers, 303.3K engagements

"A clever way to estimate enormous numbers - Michael Mitchell View the full lesson here: http://ed.ted.com/lessons/michael-mitchell-a-clever-way-to-estimate-enormous-numbers Have you ever tried to guess how many pieces of candy there are in a jar Or tackled a mindbender like: "How many piano tuners are there in Chicago" Physicist Enrico Fermi was very good at problems like these -- learn how he used the power of [--] to make amazingly fast estimations of big numbers. Lesson by Michael Mitchell animation by Mark Phillips. numbers speed of sound speed of light estimate estimation mathematics"
YouTube Link 2012-09-12T15:06Z 22.4M followers, 1.1M engagements

"What did democracy really mean in Athens - Melissa Schwartzberg View full lesson: http://ed.ted.com/lessons/what-did-democracy-really-mean-in-athens-melissa-schwartzberg While we might consider elections to be the cornerstone of democracy the Athenians who coined the term actually employed a lottery system to choose most of their politicians. Melissa Schwartzberg describes the ins and outs of the Athenian democracy and addresses some ways in which a lottery system might benefit us today. Lesson by Melissa Schwartzberg animation by TED-Ed. Democracy Athens Melissa Schwartzberg TED TED-Ed TED"
YouTube Link 2015-03-24T15:00Z 22.4M followers, 1.5M engagements

"Can you solve the giant spider riddle - Dan Finkel Practice more problem-solving at https://brilliant.org/TedEd -- Once every century the worlds greatest spiders gather to compete in a series of grueling games. The winner will become the next arachnomonarch able to command all the worlds spiders to their will. That day is today and for the first time youre casting your name into the ring. Can you attain the mantle of spider supremacy Dan Finkel shows how. Lesson by Dan Finkel directed by Igor ori Artrake Studio. Support Our Non-Profit Mission ----------------------------------------------"
YouTube Link 2021-08-10T15:00Z 22.4M followers, 3.5M engagements

"The electrifying speeches of Sojourner Truth - Daina Ramey Berry Get to know the story of Sojourner Truth a woman born into slavery who became known as a powerful orator and outspoken activist. -- Isabella Baumfree was born into slavery in late 18th century New York. Fleeing bondage with her youngest daughter she renamed herself Sojourner Truth and embarked on a legendary speaking tour. She became known as an electrifying orator and her speeches impacted thousands of people in communities across the United States. Daina Ramey Berry details the life of the outspoken activist. Lesson by Daina"
YouTube Link 2020-04-28T15:00Z 22.4M followers, 595.1K engagements

"Who were Las Mariposas and why were they murdered - Lisa Krause Get to know the story of the Mirabal sisters who led a revolution against Rafael Trujillos dictatorship in the Dominican Republic. -- For over [--] years thousands of people were imprisoned tortured and murdered under Rafael Trujillos dictatorship in the Dominican Republic. Three sisters would go on to lead an underground revolution. But while their courage inspired many it threatened the man in power and their lives would come to a tragic early end. Who were these brave women Lisa Krause tells the story of Las Mariposas. Lesson by"
YouTube Link 2021-03-08T16:00Z 22.4M followers, 1.8M engagements

"Savitri and Satyavan: The legend of the princess who outwitted Death - Iseult Gillespie Dig into the tale of Princess Savitri and her one true love Satyavan and the tragic prophecy that entwined their fates forever. -- Princess Savitri was benevolent brilliant and bright. Her grace was known throughout the land and many princes and merchants flocked to her familys palace to seek her hand in marriage. But upon witnessing her blinding splendor in person the men lost their nerve. Unimpressed with these suitors she determined to find a husband herself. Iseult Gillespie tells the tale of Savitri"
YouTube Link 2021-01-12T16:00Z 22.4M followers, 6.3M engagements

"Symbiosis: A surprising tale of species cooperation - David Gonzales View full lesson: http://ed.ted.com/lessons/symbiosis-a-surprising-tale-of-species-cooperation Different species often depend on one another. David Gonzales describes the remarkable relationship of the Clark's nutcracker and the whitebark pine to illustrate the interdependency known as symbiosis. Lesson by David Gonzales animation by Sunni Brown. Science and Technology David Gonzales Science Technology Nature Birds Squirrels Trees Symbiosis Cooperation Species TED TED-Ed TED Education Sunni Brown sunnibrown.com Science and"
YouTube Link 2012-03-14T03:04Z 22.4M followers, 397.1K engagements

"The law of conservation of mass - Todd Ramsey View full lesson: http://ed.ted.com/lessons/the-law-of-conservation-of-mass-todd-ramsey Everything in our universe has mass from the smallest atom to the largest star. But the amount of mass has remained constant throughout existence even during the birth and death of stars planets and you. How can the universe grow while maintaining its mass Todd Ramsey answers that question by unravelling the law of conservation of mass. Lesson by Todd Ramsey animation by Vegso/Banyai. TED TED Ed TEDx TED-Ed Law of Conservation of Mass Matter Energy Mass System"
YouTube Link 2015-02-26T16:03Z 22.4M followers, 2.3M engagements

"The scientific origins of the Minotaur - Matt Kaplan View full lesson: http://ed.ted.com/lessons/the-scientific-origins-of-the-minotaur-matt-kaplan The myth of the Minotaur tells the story of an enraged beast forever wandering the corridors of a damp labyrinth filled with a rage so intense that its deafening roar shakes the earth. But is this story just fiction or an attempt of our early ancestors to make sense of the natural world Matt Kaplan examines the myth for its scientific roots. Lesson by Matt Kaplan animation by Artrake Studio. Matt Kaplan Minotaur Ancient Greek mythology Ancient"
YouTube Link 2015-07-20T15:08Z 22.4M followers, 4.7M engagements

"Why are there so many insects - Murry Gans View full lesson: http://ed.ted.com/lessons/why-are-there-so-many-insects-murry-gans If insects suddenly morphed into large beings and decided to wage war on us theres no doubt that humans would lose. There are an estimated [--] quintillion individual insects on earth outnumbering humans by more than a billion to one. So whats their secret to success Murry Gans details the reasons behind insect abundance. Lesson by Murry Gans animation by Echo Bridge Pictures. insects bugs science entomology TED TED Ed TED-Ed TEDEducation Murry Gans Echo Bridge"
YouTube Link 2016-03-01T15:57Z 22.4M followers, 3.8M engagements

"Music as a language - Victor Wooten View full lesson: http://ed.ted.com/lessons/victor-wooten-music-as-a-language Music is a powerful communication tool--it causes us to laugh cry think and question. Bassist and five-time Grammy winner Victor Wooten asks us to approach music the same way we learn verbal language--by embracing mistakes and playing as often as possible. Lesson by Victor Wooten produced by TED-Ed. TED-Ed TEDEducation Victor Wooten Bela Fleck and the Flecktones Flecktones Bela Fleck music language learning music bassist bass guitar bass forms of expression communication TED-Ed"
YouTube Link 2012-08-13T15:14Z 22.4M followers, 1.5M engagements

"Is graffiti art Or vandalism - Kelly Wall View full lesson: http://ed.ted.com/lessons/a-brief-history-of-graffiti-kelly-wall Spray-painted subway cars tagged bridges mural-covered walls graffiti pops up boldly throughout our cities. And it turns out: its nothing new. Graffiti has been around for thousands of years. And across that span of time its raised the same questions we debate now: Is it art Is it vandalism Kelly Wall describes the history of graffiti. Lesson by Kelly Wall animation by Toms Pichardo Espaillat. Kelly Wall Toms Pichardo Espaillat Graffiti Banksy public art subway art"
YouTube Link 2016-09-08T15:18Z 22.4M followers, 1.1M engagements

"What is earwax and should you get rid of it - Henry C. Ou Explore why earwax forms its purpose in our health and whether or not we should be trying to get rid of it. -- Grooming paraphernalia has been found in numerous archeological sites many of which have included earwax removal tools. And earwax evacuation remains a popular hygienic habit today. But what is earwax And are the efforts to eliminate it actually good for us Henry C. Ou explores the important role earwax plays in our health. Lesson by Henry C. Ou directed by Yuriy Polyashko Max Zaglotskyi Darvideo Animation Studio. Support Our"
YouTube Link 2024-04-02T15:01Z 22.4M followers, 1.5M engagements

"Your body vs. implants - Kaitlyn Sadtler Why do medical implants like insulin pumps and prosthetic knees need replacement Explore how the immune system fights implants and how new devices are trying to help. -- Insulin pumps improve the lives of millions of people with diabetes around the world by monitoring blood sugar delivering insulin and preventing the need for constant finger-pricking. But theres a catch: theyre temporary. And its not only insulin pumps that have this problem but all bodily implants. Why is that Kaitlyn Sadtler details how our immune system reacts to foreign bodies."
YouTube Link 2019-06-17T15:00Z 22.4M followers, 2.3M engagements

"On positive psychology - Martin Seligman View full lesson: http://ed.ted.com/lessons/martin-seligman-on-positive-psychology Martin Seligman talks about psychology -- as a field of study and as it works one-on-one with each patient and each practitioner. As it moves beyond a focus on disease what can modern psychology help us to become Talk by Martin Seligman. TED-Ed TED Ed TEDEducation TED Martin Seligman psychology postive psychology TED-Ed TED Ed TEDEducation TED Martin Seligman psychology postive psychology"
YouTube Link 2013-07-06T14:07Z 22.4M followers, 200.9K engagements

"Five fingers of evolution - Paul Andersen View full lesson: http://ed.ted.com/lessons/five-fingers-of-evolution How can a "thumbs up" sign help us remember five processes that impact evolution The story of the Five Fingers of Evolution gives us a clever way of understanding change in gene pools over time. Lesson by Paul Andersen animation by Alan Foreman. Evolution Biology Environment Awesome Nature Paul Andersen Alan Foreman TED TED-Ed TED Education Microevolution macroevolution speciation ancestry science frequency genetic mutation genes alleles red hair generation mating gene pool small"
YouTube Link 2012-05-07T14:57Z 22.4M followers, 1.8M engagements

"Distant time and the hint of a multiverse - Sean Carroll Cosmologist Sean Carroll attacks -- in an entertaining and thought-provoking tour through the nature of time and the universe -- a deceptively simple question: Why does time exist at all The potential answers point to a surprising view of the nature of the universe and our place in it. (Filmed at TEDxCaltech.) Talk by Sean Carroll. Sean Carroll TED TEDx TEDxCaltech Cal Tech time universe multiverse nature of universe TED-Ed TED Ed TEDEducation physics Sean Carroll TED TEDx TEDxCaltech Cal Tech time universe multiverse nature of universe"
YouTube Link 2013-07-03T20:22Z 22.4M followers, 27.5K engagements

"Just add water: The garden insect that can turn into a plague - Jeffrey A. Lockwood Discover what causes desert locusts to transform into crop-consuming plagues and how they directly endanger humanity. -- A ravenous swarm stretches as far as the eye can see. It has no leader or strategic plan; its only goals are to eat breed and move on. These are desert locusts infamous for their capacity for destruction. But most of the time desert locusts are no more dangerous than grasshoppers. So what does it take to turn these harmless insects into a crop-consuming plague Jeffrey A. Lockwood"
YouTube Link 2021-11-04T15:01Z 22.4M followers, 601.3K engagements

"The mysterious workings of the adolescent brain - Sarah-Jayne Blakemore View full lesson: http://ed.ted.com/lessons/the-mysterious-workings-of-the-adolescent-brain-sarah-jayne-blakemore Why do teenagers seem so much more impulsive so much less self-aware than grown-ups Cognitive neuroscientist Sarah-Jayne Blakemore compares the prefrontal cortex in adolescents to that of adults to show us how typically "teenage" behavior is caused by the growing and developing brain. Talk by Sarah-Jayne Blakemore. Sarah-Jayne Blakemore cognition neuroscience prefrontal cortex adolescent brain adult teenage"
YouTube Link 2013-06-01T14:50Z 22.4M followers, 273.8K engagements

"How does your smartphone know your location - Wilton L. Virgo View full lesson: http://ed.ted.com/lessons/how-does-your-smartphone-know-your-location-wilton-l-virgo GPS location apps on a smartphone can be very handy when mapping a travel route or finding nearby events. But how does your smartphone know where you are Wilton L. Virgo explains how the answer lies [-----] miles over your head in an orbiting satellite that keeps time to the beat of an atomic clock powered by quantum mechanics. Lesson by Wilton L. Virgo animation by Nick Hilditch. TED TEDEd TED-Ed TEDx GPS Navigation Directions Maps"
YouTube Link 2015-01-29T16:09Z 22.4M followers, 893.2K engagements

"How fast can a vaccine be made - Dan Kwartler Dig into the three key phases of developing a new vaccine: exploratory research clinical testing and manufacturing. -- When a new pathogen emerges our bodies and healthcare systems are left vulnerable. And when this pathogen causes the outbreak of a pandemic theres an urgent need for a vaccine to create widespread immunity with minimal loss of life. So how quickly can we develop vaccines when we need them most Dan Kwartler describes the three phases of vaccine development. Lesson by Dan Kwartler directed by Good Bad Habits. Animator's website:"
YouTube Link 2020-06-15T15:01Z 22.4M followers, 1.1M engagements

"Why were there three popes at the same time - Jolle Rollo-Koster Dig into the history of the Papal Schism which caused a split in the Catholic Church while [--] popes vied for supremacy. -- For almost two millennia the Pope has been a figure of supreme spiritual authority for Catholics around the world. But in the late 14th century Catholics found themselves with not one not two but three popes. Where did this plethora of popes come from And who among them was the genuine article Jolle Rollo-Koster shares the origins of this papal predicament. Lesson by Jolle Rollo-Koster directed by Kaspar"
YouTube Link 2023-05-11T15:01Z 22.4M followers, 1.6M engagements

"Listening to shame - Bren Brown Shame is an unspoken epidemic the secret behind many forms of broken behavior. Bren Brown whose earlier talk on vulnerability became a viral hit explores what can happen when people confront their shame head-on. Her own humor humanity and vulnerability shine through every word. Talk by Bren Brown. Brene Brown shame vulnerability psychology TED TED-Ed TED Ed TEDEducation Brene Brown shame vulnerability psychology TED TED-Ed TED Ed TEDEducation"
YouTube Link 2013-07-19T19:57Z 22.4M followers, 415.3K engagements

"How the sandwich was invented Moments of Vision [--] - Jessica Oreck View full lesson: http://ed.ted.com/lessons/how-the-sandwich-was-invented-moments-of-vision-5-jessica-oreck Today it is estimated that 50% of Americans eat at least one sandwich every day. And while its all but impossible to imagine a world without them sandwiches have only been around since [----]. In the fifth installment of our Moments of Vision series Jessica Oreck shares the sandwich's seedy origin story. Lesson and animation by Jessica Oreck. Jessica Oreck teded stop motion moments of vision in a moment of vision teded"
YouTube Link 2016-11-03T14:59Z 22.4M followers, 850.1K engagements

"How the bra was invented Moments of Vision [--] - Jessica Oreck View full lesson: http://ed.ted.com/lessons/how-the-bra-was-invented-moments-of-vision-1-jessica-oreck Lingerie has existed for hundreds of years but it wasn't until the 1920s that a standardized cup sizing system was invented that changed underwear forever. In the first installment of our Moments of Vision series Jessica Oreck traces the uplifting origin of the modern brassiere. Lesson and animation by Jessica Oreck. Jessica Oreck Bra origin of the bra inventions in a moment of vision innovation design women's rights corsetry Ida"
YouTube Link 2016-07-12T15:07Z 22.4M followers, 737.6K engagements

"The moral roots of liberals and conservatives - Jonathan Haidt View full lesson: http://ed.ted.com/lessons/jonathan-haidt-on-the-moral-roots-of-liberals-and-conversatives Psychologist Jonathan Haidt studies the five moral values that form the basis of our political choices whether we're left right or center. In this eye-opening talk he pinpoints the moral values that liberals and conservatives tend to honor most. Jonathan Haidt studies how -- and why -- we evolved to be moral. By understanding more about our moral roots his hope is that we can learn to be civil and open-minded. Talk by"
YouTube Link 2012-12-31T16:00Z 22.4M followers, 2.8M engagements

"Cicadas: The dormant army beneath your feet - Rose Eveleth Discover the dormant army of billions of cicadas that emerge from underground every [--] or [--] years to molt mate and die. -- Every [--] or [--] years billions of cicadas emerge from the ground to molt mate and die. Adult cicadas only live a few weeks above ground but you'd be hard pressed to ignore them -- they are extremely loud Rose Eveleth explains everything you need to know about these noisy insects admitting that there's still some things we just don't understand. Lesson by Rose Eveleth animation by Eli Enigenburg. Support Our"
YouTube Link 2013-09-05T15:01Z 22.4M followers, 497.5K engagements

"How to make a mummy - Len Bloch View full lesson: http://ed.ted.com/lessons/how-to-make-a-mummy-len-bloch As anyone whos seen a mummy knows ancient Egyptian priests went to a lot of trouble to evade decomposition. But how successful were they Len Bloch details the mummification process and examines its results thousands of years later. Lesson by Len Bloch animation by The Moving Company Animation Studio. Len Bloch Moving Company Animation Studio mummy mummification body decay decomposition egypt ancient egypt body science biology history world history TED TED-Ed TED Ed TEDEducation Len Bloch"
YouTube Link 2015-06-18T15:02Z 22.4M followers, 5.6M engagements

"How the bendy straw was invented Moments of Vision [--] - Jessica Oreck View full lesson: http://ed.ted.com/lessons/how-the-bendy-straw-was-invented-moments-of-vision-12-jessica-oreck Today Americans use an estimated [---] million drinking straws every day. But where did the idea for this beloved utensil come from In the twelfth installment of our Moments of Vision series Jessica Oreck shares the origins of the bendy straw. Lesson and animation by Jessica Oreck. TED Joseph B. Friedman straw paper straw bendy straw milkshake soda parlor screw dental floss utensil TED-Ed TED Education TED Ed"
YouTube Link 2017-06-01T15:01Z 22.4M followers, 435.8K engagements

"How social media can make history - Clay Shirky View full lesson: http://ed.ted.com/lessons/clay-shirky-how-social-media-can-make-history While news from Iran streams to the world Clay Shirky shows how Facebook Twitter and TXTs help citizens in repressive regimes report on real news bypassing censors (however briefly). The end of top-down control of news is changing the nature of politics. Talk by Clay Shirky. Clay Shirkey social media Facebook Twitter media revolution TEDEducation TED-Ed TED Ed Clay Shirkey social media Facebook Twitter media revolution TEDEducation TED-Ed TED Ed"
YouTube Link 2012-11-16T16:43Z 22.4M followers, 323.4K engagements

"Can you solve the Mondrian squares riddle - Gordon Hamilton Practice more problem-solving at https://brilliant.org/TedEd/ Dutch artist Piet Mondrians abstract rectangular paintings inspired mathematicians to create a two-fold challenge. Can you solve the puzzle and get to the lowest score possible Gordon Hamilton shows how. Lesson by Gordon Hamilton directed by Anton Trofimov. Thank you so much to our patrons for supporting us on Patreon Without you this video would not be possible Bozhidar Karaargirov maxi kobi einy Misaki Sato Craig Sheldon Andrew Bosco Catherine Sverko Nik Maier Mark"
YouTube Link 2018-06-28T15:00Z 22.4M followers, 1.2M engagements

"How do we safely study living brains - John Borghi and Elizabeth Waters Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-do-we-study-living-brains-john-borghi-and-elizabeth-waters As far as we know theres only one thing in our solar system sophisticated enough to study itself: the human brain. But this self-investigation is challenging because a living brain is shielded by skull swaddled in tissue and made up of billions of tiny cells. How do we study living brains without harming their owners Elizabeth Waters and John Brorghi explain"
YouTube Link 2018-04-26T15:02Z 22.4M followers, 565.7K engagements

"First person vs. Second person vs. Third person - Rebekah Bergman Discover how point of view can transform a story and find out how to choose between first second and third person in your writing. -- Who is telling a story and from what perspective are some of the most important choices an author makes. Told from a different point of view a story can transform completely. Third person first person and second person perspectives each have unique possibilities and constraints. So how do you choose a point of view for your story Rebekah Bergman explores the different ways to focus a story."
YouTube Link 2020-06-25T15:00Z 22.4M followers, 1.4M engagements

"Corruption wealth and beauty: The history of the Venetian gondola - Laura Morelli View full lesson: http://ed.ted.com/lessons/corruption-wealth-and-beauty-the-history-of-the-venetian-gondola-laura-morelli Its hard to imagine Venice without the curious banana-shaped gondolas that glide down the canals. How did these boats come to be the trademark transportation of Venice Laura Morelli details the history of the gondola explaining why these boats were needed the painstaking process by which they were made and why they have slowly begun to fade from the once-crowded canals. Lesson by Laura"
YouTube Link 2014-09-04T15:08Z 22.4M followers, 606.8K engagements

"All your devices can be hacked - Avi Rubin Could someone hack your pacemaker At TEDxMidAtlantic Avi Rubin explains how hackers are compromising cars smartphones and medical devices and warns us about the dangers of an increasingly hack-able world. (Filmed at TEDxMidAtlantic.) Talk by Avi Rubin. Avi Rubin TED TEDx TEDxMidAtlantic TED-Ed TED Ed TEDEducation hack hacker hacking hackable world Avi Rubin TED TEDx TEDxMidAtlantic TED-Ed TED Ed TEDEducation hack hacker hacking hackable world"
YouTube Link 2013-06-12T20:40Z 22.4M followers, 124.8K engagements

"The battle of the Greek tragedies - Melanie Sirof View full lesson: http://ed.ted.com/lessons/the-battle-of-the-greek-tragedies-melanie-sirof The world of modern theater owes its roots to the tragedians of Ancient Greece. As far back as the 5th Century BCE actors and playwrights were entertaining the masses with intriguing stories. Melanie Sirof unveils the ancient theatrical innovations that made the way for Broadway. Lesson by Melanie Sirof animation by Andrew Foerster. Greek drama Tragedy Chorus Dialogue Dramatic structure Playwrighting Playwright TED TED-Ed TED Education TEDx Play"
YouTube Link 2015-06-01T15:13Z 22.4M followers, 725.1K engagements

"The mystery of chronic pain - Elliot Krane View full lesson: http://ed.ted.com/lessons/the-mystery-of-chronic-pain-elliot-krane We think of pain as a symptom but there are cases where the nervous system develops feedback loops and pain becomes a terrifying disease in itself. Starting with the story of a girl whose sprained wrist turned into a nightmare Elliot Krane talks about the complex mystery of chronic pain and reviews the facts we're just learning about how it works and how to treat it. Talk by Elliot Krane. Elliot Krane pain chronic pain how works migraine nervous system nerves TED TED"
YouTube Link 2013-03-31T15:03Z 22.4M followers, 256.4K engagements

"Reasons for the seasons - Rebecca Kaplan View full lesson: http://ed.ted.com/lessons/reasons-for-the-seasons-rebecca-kaplan Why do some regions experience full-time heat while others are reckoning with frigid temperatures and snow And why are the seasons reversed in the two hemispheres Rebecca Kaplan explains how the shape of the Earth's orbit around the Sun and the Earth's tilt on its axis affect the amount of sunlight each region receives. Lesson by Rebecca Kaplan animation by Marc Christoforidis. Rebecca Kaplan Marc Christoforidis TED-Ed TED Ed TEDEducation seasons solstice equinox sun"
YouTube Link 2013-05-23T15:01Z 22.4M followers, 1.5M engagements

"Einstein's brilliant mistake: Entangled states - Chad Orzel View full lesson: http://ed.ted.com/lessons/einstein-s-brilliant-mistake-entangled-states-chad-orzel When you think about Einstein and physics E=mc2 is probably the first thing that comes to mind. But one of his greatest contributions to the field actually came in the form of an odd philosophical footnote in a [----] paper he co-wrote -- which ended up being wrong. Chad Orzel details Einstein's "EPR" paper and its insights on the strange phenomena of entangled states. Lesson by Chad Orzel animation by Gunborg/Banyai. Chad Orzel"
YouTube Link 2014-10-16T14:59Z 22.4M followers, 1.3M engagements

"The breathtaking courage of Harriet Tubman - Janell Hobson Take a closer look at the life of escaped slave and American icon Harriet Tubman who liberated over [---] enslaved people using the Underground Railroad. -- Download a free audiobook version of "The Underground Railroad" and support TED-Ed's nonprofit mission: https://adbl.co/2LEl0sU Check out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/the-underground-railroad Escaping slavery; risking everything to save her family; leading a military raid; championing the cause of womens"
YouTube Link 2018-07-24T15:00Z 22.4M followers, 2.1M engagements

"How algorithms shape our world - Kevin Slavin View full lesson: http://ed.ted.com/lessons/kevin-slavin-how-algorithms-shape-our-world Kevin Slavin argues that we're living in a world designed for -- and increasingly controlled by -- algorithms. In this riveting talk from TEDGlobal he shows how these complex computer programs determine espionage tactics stock prices movie scripts and architecture. Slavin also warns that we are writing code we can't understand with implications we can't control. Talk by Kevin Slavin. Kevin Slavin TEDEducation TED-Ed TED Ed code algorithms math mathematics"
YouTube Link 2012-11-25T17:57Z 22.4M followers, 458.8K engagements

"Could we build a wooden skyscraper - Stefan Al Explore the viability of wooden skyscrapers and see how cross-laminated timber (CLT) helps make these once impossible structures possible. -- Towering [--] meters above the Norwegian countryside Mjstrnet is the worlds tallest wooden building made almost entirely from the trees of neighboring forests. But as recently as the end of the 20th century engineers thought it was impossible to build a wooden building over [--] stories tall. So how do wooden structures like this compare to steel and concrete skyscrapers Stefan Al investigates. Lesson by Stefan"
YouTube Link 2021-07-06T15:01Z 22.4M followers, 1.5M engagements

"Whats the best country to live in Discover the shortcomings of using GDP to measure a countrys well-being and what alternatives can be used to gauge quality of life. -- Whats the best country to live in Is it the one with the best food The longest life expectancy The best weather For the past [--] years most governments have relied heavily on a single number: the Gross Domestic Product or GDP. But it was never intended for its current purpose; and some argue that we are addicted to making it grow. Explore the different ways countries measure quality of life. Directed by Xenia Galchin AIM"
YouTube Link 2022-06-30T15:01Z 22.4M followers, 778.5K engagements

"How does alcohol cause hangovers - Judy Grisel Discover how alcohol impacts your bodys processes and causes hangovers and find out what causes the most common hangover symptoms. -- The molecule responsible for hangovers is ethanol which we colloquially refer to as alcohol. Ethanol is present in all alcoholic beverages and generally speaking the more ethanol the greater the potential for a hangover. So how exactly does alcohol cause a hangover and is there any way to prevent one Judy Grisel explores the surprising ways that alcohol affects the body. Lesson by Judy Grisel directed by Anton"
YouTube Link 2022-07-05T15:02Z 22.4M followers, 1.9M engagements

"The lovable (and lethal) sea lion - Claire Simeone Plunge into the oceans depths to take a closer look at the sea lions hunting skills and to learn more about how climate change is affecting its habitat. -- Sunning themselves on rocks or waddling awkwardly across the beach its easy to think of sea lions more as sea house cats. But dont be fooled by their beachside behavior. Under the waves sea lions are incredible endurance hunters reaching speeds of [--] miles an hour and hunting for up to [--] hours at a time. Claire Simeone dives into what makes these majestic mammals such resourceful"
YouTube Link 2019-05-28T15:01Z 22.4M followers, 526.7K engagements

"Who won the space race - Jeff Steers View full lesson: http://ed.ted.com/lessons/what-was-the-point-of-the-space-race-jeff-steers On October [--] [----] the Soviet Union launched the satellite Sputnik and with it an international space race. The United States and the Soviet Union rushed to declare dominance of space for [--] years until the two countries agreed to a more collaborative model. The real winner Science. Jeff Steers describes the history -- and the benefits -- of the space race. Lesson by Jeff Steers animation by The Moving Company Animation Studio. Jeff Steers The Moving Company"
YouTube Link 2013-08-14T15:22Z 22.4M followers, 1.7M engagements

"Why is biodiversity so important - Kim Preshoff View full lesson: http://ed.ted.com/lessons/why-is-biodiversity-so-important-kim-preshoff Our planets diverse thriving ecosystems may seem like permanent fixtures but theyre actually vulnerable to collapse. Jungles can become deserts and reefs can become lifeless rocks. What makes one ecosystem strong and another weak in the face of change Kim Preshoff details why the answer to a large extent is biodiversity. Lesson by Kim Preshoff animation by TED-Ed. TED TED-Ed TED Education TEDx Kim Preshoff Biodiversity Ecosystem diversity Species diversity"
YouTube Link 2015-04-20T15:04Z 22.4M followers, 4.6M engagements

""Jabberwocky": One of literature's best bits of nonsense Dive into Lewis Carrolls epic nonsense poem Jabberwocky from his novel "Through the Looking-Glass and What Alice Found There." -- As Alice wanders through the dreamscape of Looking-Glass Land in Lewis Carroll's "Through the Looking-Glass and What Alice Found There" she happens across a book written in an unintelligible language. Inside she discovers an epic poem filled with nonsense fearsome creatures and whimsical language. Dive into Carroll's legendary poem "Jabberwocky" and see if you can make sense of the nonsense. Poem by Lewis"
YouTube Link 2020-09-17T15:04Z 22.4M followers, 1.2M engagements

"Do we really need pesticides - Fernan Prez-Glvez View full lesson: http://ed.ted.com/lessons/do-we-really-need-pesticides-fernan-perez-galvez Annually we shower over [--] billion pounds of pesticides across the Earth to control insects unwanted weeds funguses rodents and bacteria that may threaten our food supply. But is it worth it knowing what we do about the associated environmental and public health risks Fernan Prez-Glvez weighs the pros and cons of pesticides. Lesson by Fernan Prez-Glvez animation by Mighty Oak. Fernan Perez Mighty Oak pesticides agricultural catastrophe food supply"
YouTube Link 2016-11-14T16:14Z 22.4M followers, 661.1K engagements

"The myth of the stolen eyeballs - Nathan D. Horowitz Discover the Siekopai myth of the air goblins spirits who fly and control the winds as they clash with the human world. -- Deep in the Amazon rainforest in the river Neaocoy lived a school of particularly big and tasty fish. When the rains came and the water rose the fish appeared and swam away as the waters fell. Villagers along the river followed them to a lagoon and set up camp. But their young shaman soon sensed they might not be completely alone. Nathan D. Horowitz details the Siekopai myth of the air goblins. Lesson by Nathan D."
YouTube Link 2020-10-05T15:00Z 22.4M followers, 1.5M engagements

"Whats the difference between a scientific law and theory - Matt Anticole View full lesson: http://ed.ted.com/lessons/what-s-the-difference-between-a-scientific-law-and-theory-matt-anticole Chat with a friend about an established scientific theory and she might reply Well thats just a theory. But a conversation about an established scientific law rarely ends with Well thats just a law. Why is that What is the difference between a theory and a law. and is one better Matt Anticole shows why science needs both laws and theories to understand the whole picture. Lesson by Matt Anticole animation by"
YouTube Link 2015-11-19T15:41Z 22.4M followers, 2M engagements

"A day in the life of a martial artist in medieval China - Peter Lorge Follow Chu Hong a Chinese martial artist in training as he practices his skills and competes in an archery tournament. -- The year is [----] CE. Chu Hong's best friend Liang Gao tells him that the local magistrate has been spotted holding a surprise archery competition in a nearby town and will arrive at their village soon. This is Hongs chance to showcase his talents in martial arts and secure some much-needed money for his family. Peter Lorge outlines a day in the life of a Chinese martial artist. Lesson by Peter Lorge"
YouTube Link 2025-01-07T16:00Z 22.4M followers, 257.3K engagements

"Dark matter: The matter we can't see - James Gillies Check out our Patreon page: https://www.patreon.com/teded View full lesson: http://ed.ted.com/lessons/dark-matter-the-matter-we-can-t-see-james-gillies The Greeks had a simple and elegant formula for the universe: just earth fire wind and water. Turns out there's more to it than that -- a lot more. Visible matter (and that goes beyond the four Greek elements) comprises only 4% of the universe. CERN scientist James Gillies tells us what accounts for the remaining 96% (dark matter and dark energy) and how we might go about detecting it."
YouTube Link 2013-05-03T15:05Z 22.4M followers, 3.2M engagements

"The paradox at the heart of mathematics: Gdel's Incompleteness Theorem - Marcus du Sautoy Explore Gdels Incompleteness Theorem a discovery which changed what we know about mathematical proofs and statements. -- Consider the following sentence: This statement is false. Is that true If so that would make the statement false. But if its false then the statement is true. This sentence creates an unsolvable paradox; if its not true and its not false what is it This question led a logician to a discovery that would change mathematics forever. Marcus du Sautoy digs into Gdels Incompleteness Theorem."
YouTube Link 2021-07-20T15:00Z 22.4M followers, 4.1M engagements

""The Second Coming" by William Butler Yeats An animated interpretation of William Butler Yeats's poem "The Second Coming" -- For an analysis of this poem watch this video: http://bit.ly/TEDEdYeatsAnalysis This animation is part of our series "There's a Poem for That" which features animated interpretations of poems both old and new that give language to some of life's biggest feelings. Check out the full series here: http://bit.ly/TEDEdTheresAPoemForThat Poem by William Butler Yeats directed by Eoin Duffy. Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Support us on Patreon:"
YouTube Link 2019-02-02T16:11Z 22.4M followers, 466.9K engagements

"Which sunscreen should you choose - Mary Poffenroth View full lesson: http://ed.ted.com/lessons/which-sunscreen-should-you-choose-mary-poffenroth Sunscreen comes in many forms each with its own impacts on your body and the environment. With so many options how do you choose which sunscreen is best for you To answer that question Mary Poffenroth explains how sunscreens work and compares different application methods SPFs and active ingredients to help you make the best choice. Lesson by Mary Poffenroth animation by Rob Kohr and Travis Spangler. Mary Poffenroth Rob Kohr Travis Spangler suncream"
YouTube Link 2016-08-01T15:02Z 22.4M followers, 569.7K engagements

"What is the shape of a molecule - George Zaidan and Charles Morton View full lesson: http://ed.ted.com/lessons/what-is-the-shape-of-a-molecule-george-zaidan-and-charles-morton A molecule is nearly all empty space apart from the extremely dense nuclei of its atoms and the clouds of electrons that bond them together. When that molecule forms it arranges itself to maximize attraction of opposite charges and minimize repulsion of unlike. George Zaidan and Charles Morton shape our image of molecules. Lesson by George Zaidan and Charles Morton animation by Bevan Lynch"
YouTube Link 2013-10-17T15:09Z 22.4M followers, 350.3K engagements

"The operating system of life - George Zaidan and Charles Morton View full lesson: http://ed.ted.com/lessons/the-operating-system-of-life-george-zaidan-and-charles-morton Humans octopi and pine trees alike are all made up of cells tiny but sophisticated systems that keep life going. Cells are almost like tiny factories run by robots with the nucleus DNA proteins lipids and vitamins and minerals all playing critical roles. George Zaidan and Charles Morton lay out the blueprint of a cell and explain how biochemistry binds all life together. Lesson by George Zaidan and Charles Morton animation by"
YouTube Link 2013-11-11T16:06Z 22.4M followers, 426.9K engagements

"Did Shakespeare write his plays - Natalya St. Clair and Aaron Williams View full lesson: http://ed.ted.com/lessons/did-shakespeare-write-his-plays-natalya-st-clair-and-aaron-williams Some people question whether Shakespeare really wrote the works that bear his name or whether he even existed at all. Could it be true that the greatest writer in the English language was as fictional as his plays Natalya St. Clair and Aaron Williams show how a linguistic tool called stylometry might shed light on the answer. Lesson by Natalya St. Clair and Aaron Williams animation by Pink Kong Studios. TED"
YouTube Link 2015-02-24T16:05Z 22.4M followers, 1.1M engagements

"Dead stuff: The secret ingredient in our food chain - John C. Moore View full lesson: http://ed.ted.com/lessons/dead-stuff-the-secret-ingredient-in-our-food-chain-john-c-moore When you picture the lowest levels of the food chain you might imagine herbivores happily munching on lush living green plants. But this idyllic image leaves out a huge (and slightly less appetizing) source of nourishment: dead stuff. John C. Moore details the "brown food chain" explaining how such unlikely delicacies as pond scum and animal poop contribute enormous amounts of energy to our ecosystems. Lesson by John C."
YouTube Link 2014-03-20T15:07Z 22.4M followers, 895.9K engagements

"Can you solve the dragon jousting riddle - Alex Gendler Practice more problem-solving at https://brilliant.org/TedEd/ -- After years of war the worlds kingdoms have come to an agreement. Every five years teams representing the elves goblins and treefolk will compete in a grand tournament of dragon jousting. You have the important job of recording the scores for the inaugural tournament. But you overslept and the games are already underway. Can you figure out the real score of each match Alex Gendler shows how. Lesson by Alex Gendler directed by Artrake Studio. This riddle is adapted from a"
YouTube Link 2020-01-09T16:00Z 22.4M followers, 2.9M engagements

"Check your intuition: The birthday problem - David Knuffke View full lesson: http://ed.ted.com/lessons/check-your-intuition-the-birthday-problem-david-knuffke Imagine a group of people. How big do you think the group would have to be before theres more than a 50% chance that two people in the group have the same birthday The answer is probably lower than you think. David Knuffke explains how the birthday problem exposes our often-poor intuition when it comes to probability. Lesson by David Knuffke animation by TED-Ed. TED TED-Ed TED Education TED Ed birthday birthday problem twins leap year"
YouTube Link 2017-05-04T17:09Z 22.4M followers, 3M engagements

"The woman who stared at the Sun - Alex Gendler Get to know the legacy of Hisako Koyama whose drawings of the Suns surface helped scientists reconstruct [---] years of sunspot activity. -- In [----] amateur astronomer Hisako Koyamas latest endeavor was sketching the Suns shifting surface. She spent weeks angling her telescope towards the Sun and tracking every change she saw with drawings. Little did she know these drawings were the start of one of the most important records of solar activity in human history. Alex Gendler details the incredible legacy of Koyama's work. Lesson by Alex Gendler"
YouTube Link 2021-05-24T15:00Z 22.4M followers, 2.4M engagements

"How one person saved over [----] children from the Nazis - Iseult Gillespie Get to know the story of Irena Sendler a social worker who saved over [----] Jewish children from the Warsaw Ghetto during WWII. -- In [----] Irena Sendler and Janina Grabowska froze when they heard Gestapo pounding on the front door. Knowing she was minutes from arrest Irena tossed Janina her most dangerous possession: a glass jar containing the names of over [----] Jewish children shed smuggled to safety from the Warsaw Ghetto. Who was this courageous woman Iseult Gillespie details the life and legacy of Irena Sendler."
YouTube Link 2021-06-28T15:00Z 22.4M followers, 2.2M engagements

"Where will you be able to live in [--] years - Carol Farbotko and Ingrid Boas Explore how coastal communities are impacted by climate change and how theyre adapting to rising sea levels and extreme weather. -- Humanity has always adapted to changing weather and moved to regions that best support cultural lifestyles and livelihoods. However the rise in extreme weather is endangering coastal communities and even for those with the resources to take action the pace and nature of climate change has made it difficult to adapt. Carol Farbotko and Ingrid Boas dig into the challenges of climate"
YouTube Link 2021-10-12T15:00Z 22.4M followers, 580.5K engagements

"History's deadliest king - by Georges Nzongola-Ntalaja Dig into the Rubber Terror the period in which King Leopold IIs horrific regime in the Congo resulted in the deaths of [--] million people. -- In [----] Chief Lontulu laid [---] twigs in front of a foreign commission. Every twig represented a person in his village who died because of King Leopolds brutal regime in the Congo. His testimony joined hundreds of others to help bring an end to one of the greatest atrocities in human history. Georges Nzongola-Ntalaja details the horrific abuses of Leopolds occupation and looting of the Congo. Lesson"
YouTube Link 2021-07-08T15:00Z 22.4M followers, 1.8M engagements

"How Mendel's pea plants helped us understand genetics - Hortensia Jimnez Daz View full lesson: http://ed.ted.com/lessons/how-mendel-s-pea-plants-helped-us-understand-genetics-hortensia-jimenez-diaz Each father and mother pass down traits to their children who inherit combinations of their dominant or recessive alleles. But how do we know so much about genetics today Hortensia Jimnez Daz explains how studying pea plants revealed why you may have blue eyes. Lesson by Hortensia Jimnez Daz animation by Cinematic Sweden. Hortensia Jimnez Daz Mendel Mendel pea plant TED-Ed TEDEducation TED Ed"
YouTube Link 2013-03-12T15:00Z 22.4M followers, 4.8M engagements

"Why is it so dangerous to step on a rusty nail - Louise Thwaites Explore how a toxin-producing bacterium causes tetanus and how to identify its common symptoms and best prevention practices. -- In the 5th century a ship master was suffering from a nasty infection that caused his jaws to press together his teeth to lock up and the muscles in his neck and spine to spasm. Today we know this account to be one the first recorded cases of tetanus. So what causes this peculiar infection Louise Thwaites explores how tetanus affects our bodies and how we can prevent it. Lesson by Louise Thwaites"
YouTube Link 2024-08-13T15:01Z 22.4M followers, 7.9M engagements

"Why are frogs disappearing - Kerry M. Kriger View full lesson: http://ed.ted.com/lessons/disappearing-frogs-kerry-m-kriger Frogs (and amphibians in general) are in danger -- worldwide nearly one-third of the world's amphibian species are on the verge of extinction. And yet frogs contribute to our well-being in many important ways. Kerry M. Kriger describes why frogs are in trouble and how you can help save them. Lesson by Kerry M. Kriger animation by Simon Ampel. Kerry Kriger save the frogs frog climate change nature Simon Ampel TED TED-Ed TED Ed TEDEducation Kerry Kriger save the frogs frog"
YouTube Link 2013-09-16T15:37Z 22.4M followers, 408.2K engagements

""Ode to the Only Black Kid in the Class" poem by Clint Smith An animated interpretation of Clint Smith's poem "Ode to the Only Black Kid in the Class" -- Watch an interview with the poet here: https://youtu.be/xtGuRnYpYRM This animation is part of our series "There's a Poem for That" which features animated interpretations of poems both old and new that give language to some of life's biggest feelings. Check out the full series here: http://bit.ly/TEDEdTheresAPoemForThat Poem by Clint Smith directed by Niv Sekar. Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Support us on Patreon:"
YouTube Link 2019-09-09T15:00Z 22.4M followers, 260K engagements

"How in vitro fertilization (IVF) works - Nassim Assefi and Brian A. Levine Explore the science of how in vitro fertilization (IVF) works and how it helps people struggling with infertility have babies. -- Infertility affects [--] in [--] couples worldwide. But in the last [--] years more than [--] million babies have been born using in vitro fertilization (IVF). How does it work Nassim Assefi and Brian A. Levine detail the science behind making a baby in a lab. Lesson by Nassim Assefi and Brian A. Levine animation by Kozmonot Animation Studio. Support Our Non-Profit Mission"
YouTube Link 2015-05-07T15:02Z 22.4M followers, 3.4M engagements

"The asteroid that almost wiped out life on Earth - Sean P. S. Gulick Dig into what happened after the Chicxulub asteroid hit the Earth and how it caused a mass extinction including dinosaurs. -- Sixty-six million years ago near whats now the Yucatn Peninsula a juvenile sauropod feasted on horsetail plants on a riverbank. Earth was a tropical planet. Behemoth and tiny dinosaurs alike soared its skies and roamed its lands while reptiles and tentacled ammonites swept its seas. But in an instant everything would change. Sean P. S. Gulick details one of Earth's most devastating periods. Lesson by"
YouTube Link 2023-11-14T16:02Z 22.4M followers, 255.4K engagements

"Where we get our fresh water - Christiana Z. Peppard View full lesson: http://ed.ted.com/lessons/where-we-get-our-fresh-water-christiana-z-peppard Fresh water accounts for only 2.5% of Earth's water yet it is vital for human civilization. What are our sources of fresh water In the first of a two part series on fresh water Christiana Z. Peppard breaks the numbers down and discusses who is using it and to what ends. Lesson by Christiana Z. Peppard animation by Jeremy Collins. Jeremy Collins Christiana Peppard water fresh water drinking ocean ground polar surface h2o TEDEducation TED-Ed TED Ed"
YouTube Link 2013-02-12T16:04Z 22.4M followers, 480.1K engagements

"Bird migration a perilous journey - Alyssa Klavans Explore why migration is so taxing and dangerous for birds and what ways we can help birds on their journey. -- Nearly [---] species of songbirds migrate south for winter some traveling up to [----] miles. No easy task the annual journey is dangerous to birds due to landscape change -- so much so that only half the birds that migrate south will return home for spring. Alyssa Klavans details why bird migration is so taxing and how we can assist our chirping friends. Lesson by Alyssa Klavans animation by Igor Coric. Sign up for our newsletter:"
YouTube Link 2013-09-17T15:12Z 22.4M followers, 282.2K engagements

"Father vs. Son: A journey into the underworld - Joseph Mbele Dig into the epic of Mwindo a boy seeking vengeance upon his power-hungry and murderous father who has fled to the underworld. -- If any of his wives ever birthed a son hed be killed immediately. That was the threat Shemwindo ruler of the village of Tubondo had delivered for he wanted all the power to himself. But he was about to meet his match and enter a rivalry that would take him to the underworld and back. Joseph Mbele shares the epic journey of Mwindo and his quest for vengeance. Lesson by Joseph Mbele directed by Raghav"
YouTube Link 2026-01-27T16:00Z 22.4M followers, 121.8K engagements

"How big is the ocean - Scott Gass View full lesson: http://ed.ted.com/lessons/how-big-is-the-ocean-scott-gass While the Earth's oceans are known as five separate entities there is really only one ocean. So how big is it As of [----] it takes up 71% of the Earth houses 99% of the biosphere and contains some of Earth's grandest geological features. Scott Gass reminds us of the influence humans have on the ocean and the influence it has on us. Lesson by Scott Gass animation by Sandro Katamashvili. Sandro Katamashvili Scott Gass Ocean One Ocean how big is the ocean biosphere Earth atlantic pacific"
YouTube Link 2013-06-24T15:09Z 22.4M followers, 3M engagements

"What is fat - George Zaidan View full lesson: http://ed.ted.com/lessons/what-is-fat-george-zaidan As the narrative goes fat is bad. Well it's actually more nuanced than that. The type of fat you eat is more impactful on your health than the quantity. George Zaidan examines triglycerides the varied molecules that make up fat and how to identify which types of fat you are consuming. Lesson by George Zaidan animation by Igor Coric"
YouTube Link 2013-05-22T15:05Z 22.4M followers, 3.6M engagements

"This weird trick will help you summon an army of worms - Kenny Coogan Discover the tradition of worm grunting and find out why earthworms come to the surface when they sense vibrations in the earth. -- In the middle of Floridas Apalachicola National Forest a bizarre almost magical scene is unraveling. Sliding a metal strip over a wooden stake a master summoner is sending deep croaking noises reverberating throughout the area. And as if in a trance hundreds of earthworms begin emerging from the soil. Whats going on Kenny Coogan explores the tradition known as worm grunting. Lesson by Kenny"
YouTube Link 2022-07-26T15:01Z 22.4M followers, 1.3M engagements

"Zora Neale Hurston's "Their Eyes Were Watching God" - Tanya Boucicaut Dig into Zora Neale Hurstons classic novel Their Eyes Were Watching God which follows Janie Crawford in her search for love and agency. -- Baritone thunder. Snarling winds. Consuming downpours. Okeechobee the hurricane of [----] forced many to flee their ruined communities. But for Janie Crawford it inspired an unexpected homecoming. So begins Zora Neale Hurstons acclaimed novel Their Eyes Were Watching God about a Black womans quest for love and agency. Tanya Boucicaut dives into this classic of the Harlem Renaissance."
YouTube Link 2021-10-14T15:00Z 22.4M followers, 366K engagements

"The continents are moving. When will they collide - Jean-Baptiste P. Koehl Dig into the science of plate tectonics to find out when the next supercontinent will emerge and how it could affect Earths environment. -- In the early 20th century Alfred Wegener's theory of Continental Drift laid the foundation for our modern theory of plate tectonics. And today we know something even more exciting: Pangea was only the latest in a long lineage of supercontinents and it wont be the last. Jean-Baptiste P. Koehl explores when the next supercontinent will emerge and what it might mean for Earths"
YouTube Link 2023-03-02T16:01Z 22.4M followers, 456K engagements

"How do oysters make pearls - Rob Ulrich Explore how oysters use calcium carbonate to create pearls and how this chemical compound creates a vast array of other materials. -- Despite their iridescent colors and smooth shapes pearls are actually made of the exact same material as the craggy shell that surrounds them. Pearls urchin spines the shells of mussels snails and clams even coral all these structures are made out of the same chemical compound: calcium carbonate. So how does this single ingredient form such a vast array of materials Rob Ulrich investigates. Lesson by Rob Ulrich directed"
YouTube Link 2022-11-15T16:00Z 22.4M followers, 1.6M engagements

"The dangerous race for the South Pole - Elizabeth Leane Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-dangerous-and-daring-race-for-the-south-pole-elizabeth-leane By the early 1900s nearly every region of the globe had been visited and mapped with only two key locations left: the North and South Poles. After two Americans staked claim to reaching the North Pole a Norwegian explorer and a British naval officer each set out for the last unmapped region in what newspapers called a Race to the Pole. Elizabeth Leane sets the scene for"
YouTube Link 2018-12-10T16:00Z 22.4M followers, 404.8K engagements

"How did trains standardize time in the United States - William Heuisler View full lesson: http://ed.ted.com/lessons/how-did-trains-standardize-time-in-the-united-states-william-heuisler If you live in the United States you may live in the Eastern Standard Time Zone. Or maybe you live in Mountain Standard Time or one of the other standardized time zones. But these time zones have not always been around. In fact it's a fairly recent development. William Heuisler explains the history of time and how trains changed everything. Lesson by William Heuisler animation by Flaming Medusa Studios Inc."
YouTube Link 2013-02-05T16:11Z 22.4M followers, 255.9K engagements

"The pleasure of poetic pattern - David Silverstein View full lesson: http://ed.ted.com/lessons/the-pleasure-of-poetic-pattern-david-silverstein Humans are creatures of rhythm and repetition. From our breath to our gait: rhythm is central to our experience and often brings us pleasure. We can find pleasure in the rhythm of a song or even the rows of an orchard. Of course too much repetition can also backfire. David Silverstein describes what poetic repetition is and why it works. Lesson by David Silverstein animation by Avi Ofer. David Silverstein Avi Ofer Wonder Boy Audio Repetition in poetry"
YouTube Link 2016-06-02T15:00Z 22.4M followers, 1.1M engagements

"What is color - Colm Kelleher Watch the whole lesson on http://ed.ted.com/lessons/how-do-we-see-color-colm-kelleher Have you ever wondered what color is In this first installment of a series on light Colm Kelleher describes the physics behind colors-- why the colors we see are related to the period of motion and the frequency of waves. Lesson by Colm Kelleher animation by Vitreous. TEDEducation TED Ed TED-Ed Vitreous Colm Kelleher light physics color light and color physics visible spectrum what is TEDEducation TED Ed TED-Ed Vitreous Colm Kelleher light physics color light and color physics"
YouTube Link 2012-12-18T16:50Z 22.4M followers, 1.1M engagements

"What causes opioid addiction and why is it so tough to combat - Mike Davis Explore the science of why opioids are addictive and what can be done to reverse the growing rates of addiction and overdose. If you or someone you know is struggling with opioid use in the United States the Department of Health and Human Services operates a helpline (800-662-4357) and has a database of treatment facilities: https://www.hhs.gov/opioids/ -- In the 1980s and 90s pharmaceutical companies began to market opioid painkillers aggressively while actively downplaying their addictive potential. The number of"
YouTube Link 2020-05-07T15:00Z 22.4M followers, 3.1M engagements

"What is a calorie - Emma Bryce View full lesson: http://ed.ted.com/lessons/what-is-a-calorie-emma-bryce We hear about calories all the time: How many calories are in this cookie How many are burned by doing [---] jumping jacks or long-distance running or fidgeting But what is a calorie really And how many of them do we actually need Emma Bryce explains how a few different factors should go into determining the recommended amount for each person. Lesson by Emma Bryce animation by Qa'ed Mai. Calories Food Nutrition Exercise Heat Measurement Energy Digestion Physical activity Basic functions"
YouTube Link 2015-07-13T15:02Z 22.4M followers, 5.3M engagements

"The science of macaroni salad: What's in a mixture - Josh Kurz View full lesson: http://ed.ted.com/lessons/the-science-of-macaroni-salad-what-s-in-a-mixture-josh-kurz What's in macaroni salad Break down the pasta mayonnaise vinegar mustard vegetables etc. and you're left with a bunch of molecules. Josh Kurz uses a delicious recipe to exemplify three types of mixtures (solution colloid and suspension) while reminding us that we're all made of the same stuff. Lesson and animation by Josh Kurz. macaroni salad how to make macaroni salad cooking recipe Josh Kurz chemistry colloid mixture"
YouTube Link 2013-07-31T15:04Z 22.4M followers, 704.2K engagements

"Is our universe the only universe - Brian Greene Is there more than one universe In this visually rich action-packed talk Brian Greene shows how the unanswered questions of physics (starting with a big one: What caused the Big Bang) have led to the theory that our own universe is just one of many in the "multiverse." Talk by Brian Greene. Brian Greene TED TED talk universe multiverse physics big bang what caused the big how many universes are there theory astrophysics TED-Ed Ed TEDEducation Brian Greene TED TED talk universe multiverse physics big bang what caused the big how many universes"
YouTube Link 2013-04-19T20:16Z 22.4M followers, 2.1M engagements

"How transistors work - Gokul J. Krishnan View full lesson: http://ed.ted.com/lessons/how-transistors-work-gokul-j-krishnan Modern computers are revolutionizing our lives performing tasks unimaginable only decades ago. This was made possible by a long series of innovations but theres one foundational invention that almost everything else relies upon: the transistor. Gokul J. Krishnan describes what a transistor is and how this small device enables all the amazing things computers can do. Lesson by Gokul J. Krishna animation by Augenblick Studios. Gokul J Krishna Augenblick Studios Transistors"
YouTube Link 2016-06-06T15:09Z 22.4M followers, 983.5K engagements

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