TED-Ed

View full lesson: http://ed.ted.com/lessons/how-cosmic-rays-help-us-understand-the-universe-veronica-bindiUploaded 23-09-14We only know 4% of what the universe is made up of. Can we also know what lies beyond our galaxy ... and if there are undiscovered forms of matter? Luckily, we have space messengers — cosmic rays — that bring us physical data from parts of the cosmos beyond our reach. Veronica Bindi explains what cosmic rays are, and how they transmit information about our universe from the great beyond. Lesson by Veronica Bindi, animation by TED-Ed. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Download a free audiobook version of "Slaughterhouse Five" and support TED-Ed's nonprofit mission: https://adbl.co/2DPI5YsUploaded 29-11-18Check out our full book recommendation: https://shop.ed.ted.com/products/slaughterhouse-fiveKurt Vonnegut found the tidy, satisfying arcs of many stories at odds with reality, and he set out to explore the ambiguity between good and bad fortune in his own novels. He tried to make sense of human behavior by studying the shapes of stories — ditching straightforward chronologies and clear-cut fortunes. Mia Nacamulli dives into the sometimes dark, yet hopeful works of Vonnegut. Lesson by Mia Nacamulli, directed by TED-Ed.Thank you so much to our patrons for your support! Without you this video would not be possible! Devin Harris, Tony Trapuzzano, Jason Weinstein, Kris Siverhus, Alexander Walls, Annamaria Szilagyi, Morgan Williams, Abhijit Kiran Valluri, Mandeep Singh, سلطان الخليفي, Marylise CHAUFFETON, Marvin Vizuett, Jayant Sahewal, Quinn Shen, Elizabeth Cruz, Elnathan…

View full lesson: http://ed.ted.com/lessons/where-do-genes-come-from-carl-zimmerUploaded 22-09-14When life emerged on Earth about 4 billion years ago, the earliest microbes had a set of basic genes that succeeded in keeping them alive. In the age of humans and other large organisms, there are a lot more genes to go around. Where did all of those new genes come from? Carl Zimmer examines the mutation and multiplication of genes. Lesson by Carl Zimmer, animation by TOGETHER. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 03-12-18View full lesson: https://ed.ted.com/lessons/why-should-you-read-a-midsummer-night-s-dream-iseult-gillespieBy the light of the moon, a group sneaks into the woods, where they take mind-altering substances, switch it up romantically and brush up against creatures from another dimension. “A Midsummer Night’s Dream” sees Shakespeare play with the boundary between illusion and reality - and dramatize the possibility that life is but a dream. Iseult Gillespie shares what makes this play a timeless classic.Lesson by Iseult Gillespie, directed by WOW-HOW Studio. Thank you so much to our patrons for your support! Without you this video would not be possible! Jun Cai, Paul Schneider, Amber Wood, Ophelia Gibson Best, Michelle Stevens-Stanford, Phyllis Dubrow, Andreas Voltios, Eunsun Kim, Philippe Spoden, Samantha Chow, Armando Ello, Ayala Ron, Manognya Chakrapani, Doreen Reynolds-Consolati, Melissa Sorrells, Antony Lee, Husain Mohammad, Côme…

View full lesson: http://ed.ted.com/lessons/the-history-of-tattoos-addison-andersonUploaded 18-09-14If you have a tattoo, you’re part of a rich cultural history that dates back at least 8,000 years. Where did this practice of body modification come from, and how has its function changed over time? Addison Anderson tracks the history of getting inked. Lesson by Addison Anderson, animation by The Think Blot. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Practice more problem-solving at https://brilliant.org/TedEd/Solution to bonus riddle: https://brilliant.org/TedEdTimeTravel/Uploaded 04-12-18Your professor has accidentally stepped through a time portal in his physics lab. You’ve got just a minute to jump through before it closes and leaves him stranded in history. Your only way back is to grab enough colored nodules to create a new portal to open a doorway through time. Can you take the right amount of nodules to get back to the present before the portal closes? Dan Finkel shows how.Lesson by Dan Finkel, directed by Artrake Studio. Thank you so much to our patrons for your support! Without you this video would not be possible: fatima kried, Begum Tutuncu, Lala Arguelles, Mehmet Sencer KARADAYI, Christian Kurch, SungGyeong Bae, Luis Felipe Ruiz Langenscheidt, Joe Huang, Rohan Gupta, Senjo Limbu, Martin Lau, Robson Martinho, Cailin Ramsey, Aaron Henson, John Saveland, Nicolle Fieldsend-Roxborough, ReuniteKorea, Venkat Venkatakrishnan, QIUJING L BU, Yoga…

View full lesson: http://ed.ted.com/lessons/what-is-the-heisenberg-uncertainty-principle-chad-orzelUploaded 16-09-14The Heisenberg Uncertainty Principle states that you can never simultaneously know the exact position and the exact speed of an object. Why not? Because everything in the universe behaves like both a particle and a wave at the same time. Chad Orzel navigates this complex concept of quantum physics. Lesson by Chad Orzel, animation by Henrik Malmgren. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Find out how students can share their ideas as TED Talks here: http://bit.ly/2RCMFgMUploaded 06-12-18View full lesson: https://ed.ted.com/lessons/are-we-running-out-of-clean-water-balsher-singh-sidhuDespite water covering 71% of the planet’s surface, more than half the world’s population endures extreme water scarcity for at least one month a year. Current estimates predict that by 2040, up to 20 more countries could be experiencing water shortages. These statistics raise a startling question: is the Earth running out of clean water? Balsher Singh Sidhu takes a closer look at water consumption. Lesson by Balsher Singh Sidhu, directed by Kozmonot Animation Studio.Thank you so much to our patrons for your support! Without you this video would not be possible! Allan Hayes, Vaibhav Mirjolkar, Tony, Michelle, Katie and Josh Pedretti, Erik Biemans, Gaurav Mathur, Hans Peng, Tekin Gültekin, Hector Quintanilla, Penelope Misquitta, Ravi S. Rāmphal, Emma Moyse, Fahad Nasser Chowdhury, Marin Kovachev, Roman Pinchuk,…

View full lesson: http://ed.ted.com/lessons/particles-and-waves-the-central-mystery-of-quantum-mechanics-chad-orzelUploaded 15-09-14One of the most amazing facts in physics is that everything in the universe, from light to electrons to atoms, behaves like both a particle and a wave at the same time. But how did physicists arrive at this mind-boggling conclusion? Chad Orzel recounts the string of scientists who built on each other’s discoveries to arrive at this ‘central mystery’ of quantum mechanics. Lesson by Chad Orzel, animation by Joana Bartolomeu. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 10-12-18View full lesson: https://ed.ted.com/lessons/the-dangerous-and-daring-race-for-the-south-pole-elizabeth-leaneBy the early 1900’s, 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 their journeys south.Lesson by Elizabeth Leane, directed by WOW-HOW Studio. Thank you so much to our patrons for your support! Without you this video would not be possible! Rebecca Reineke, Kyanta Yap, Brandon Thomas, Lewis Westbury, Ojas Kapoor, Mirzat Turap, Jaime Arriola, Emilia Alvarado, Javid Gozalov, Philipp Hiestand, Paul Beard, Deepak Iyer, Markus Goldhacker, Mihai Sandu, Keven Webb, Hendrik Mueller, Maurice Castonguay, Kristiyan Bonev, Maryam…

View full lesson: http://ed.ted.com/lessons/how-do-cold-packs-get-cold-so-fast-john-pollardUploaded 11-09-14If you stick water in the freezer, it will take a few hours to freeze into ice. How is it, then, that cold packs go from room temperature to near freezing in mere seconds? John Pollard details the chemistry of the cold pack, shedding light on the concepts of energetics and entropy along the way.Lesson by John Pollard, animation by Karrot Animation. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 11-12-18View full lesson: https://ed.ted.com/lessons/the-amazing-grandmothers-of-the-killer-whale-pod-darren-croftPods of killer whales inhabit the waters of every major ocean on Earth. Each family is able to survive thanks mainly to one member, its most knowledgeable hunter: the grandmother. These matriarchs can live 80 years or more and their expertise can mean the difference between life and death for their families. Darren Croft details the lives of killer whales and the dangers facing their survival.Lesson by Darren Croft, directed by Boniato Studio. Thank you so much to our patrons for your support! Without you this video would not be possible! Brady Jones, Todd Gross, Alexis Hevia, Heidi Stolt, Robert Seik, Coenraad Keuning, Charles A Hershberger, Laura Cameron Keith, Max Ngomane, Rafael Kato, Jen O'Hogan, Renu Balak, JY Kang, Anastasiia , Madee Lo, Arpita Singh, Karl Laius, Barbarossa, Tu-Anh Nguyen, Guy Hardy, Sebastiaan Vleugels,…

View full lesson: http://ed.ted.com/lessons/making-a-ted-ed-lesson-bringing-a-pop-up-book-to-lifeView original lesson: http://ed.ted.com/lessons/the-pangaea-pop-up-michael-molinaUploaded 10-09-14In ‘The Pangaea Pop-up’ Lesson, animator Biljana Labovic decided the best way to illustrate moving, shifting tectonic plates was to use a physical object that could also move and shift. Here, Labovic explains how she and her team of animators created a pop-up book to visualize Pangaea -- and how you can make your own. Lesson and animation by TED-Ed. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 13-12-18View full lesson: https://ed.ted.com/lessons/a-brie-f-history-of-cheese-paul-s-kindstedtBefore empires and royalty, before pottery and writing, before metal tools and weapons – there was cheese. As early as 8000 BCE, Neolithic farmers began a legacy of cheesemaking almost as old as civilization. Today, the world produces roughly 22 billion kilograms of cheese a year, shipped and consumed around the globe. Paul Kindstedt shares the history of one of our oldest and most beloved foods. Lesson by Paul S. Kindstedt, directed by Charlotte Cambon.Thank you so much to our patrons for your support! Without you this video would not be possible! Nick Johnson, Won Jang, Johnnie Graham, Junjie Huang, Harshita Jagdish Sahijwani, Amber Alexander, Yelena Baykova, Laurence McMillan, John C. Vesey, Karmi Nguyen, Chung Wah Gnapp, Andrew Sprott, Jane White, Ayan Doss, BRENDAN NEALE, Lawrence Teh Swee Kiang, Alex Pierce, Nick Cozby, Jeffrey Segrest,…

View full lesson: http://ed.ted.com/lessons/why-do-we-pass-gas-purna-kashyapUploaded 08-09-14Flatulence is a daily phenomenon. In fact, most human beings pass gas 10-20 times a day (yes, that includes you). Where does your bodily gas come from? Purna Kashyap takes us on a journey into the intestines, shedding light on how gas is made, which foods contribute most to its production...and why it stinks. Lesson by Purna Kashyap, animation by Ace and Son Moving Picture Co., LLC. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletterUploaded 17-12-18View full lesson: https://ed.ted.com/lessons/from-slave-to-rebel-gladiator-the-life-of-spartacus-fiona-radfordSpartacus was enslaved — one of millions taken from territories conquered by Rome to work the mines, till the fields or fight for a crowd’s entertainment. Imprisoned for deserting the Roman Army, he and other enslaved people fought their way free and started a rebellion. How did an enslaved man become synonymous with freedom and courage? Fiona Radford delves into the life and legend of Spartacus.Lesson by Fiona Radford, directed by Kozmonot Animation Studio. Thank you so much to our patrons for your support! Without you this video would not be possible! Jordan Tang, Christopher Jimenez, Juan, Tracey Tobkin, Sid , emily lam, Kathryn J Hammond, Elliot Poulin, Noel Situ, Latora Slydell, Sydney Evans, Victor E Karhel, Eysteinn Guðnason, Andrea Feliz, Natalia Rico, Josh Engel, Bárbara Nazaré, Zhexi Shan,…

View full lesson: http://ed.ted.com/lessons/corruption-wealth-and-beauty-the-history-of-the-venetian-gondola-laura-morelliUploaded 04-09-14It’s 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 Morelli, animation by Andrew Foerster. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletterUploaded 18-12-18--A male firefly emits a series of enticing flashes. He hopes a female will respond and mate with him. A female from a different species mimics his patterns: by tricking the male, she lures him in -- and turns him into a meal. Where else do we see this kind of trickery in the animal kingdom? Eldridge Adams details the surprising complexity of how animals manipulate predators, prey and their rivals. Lesson by Eldridge Adams, directed by The Duke and the Duck.Support Our Non-Profit Mission----------------------------------------------Support us on Patreon: http://bit.ly/TEDEdPatreonCheck out our merch: http://bit.ly/TEDEDShop----------------------------------------------Connect With Us----------------------------------------------Sign up for our newsletter: http://bit.ly/TEDEdNewsletterFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram:…

Dig into the principles of the exposure effect, which helps music listeners become active participants through repetition.Uploaded 02-09-14--How many times does the chorus repeat in your favorite song? How many times have you listened to that chorus? Repetition in music isn’t just a feature of Western pop songs, either; it’s a global phenomenon. Why? Elizabeth Hellmuth Margulis walks us through the basic principles of the ‘exposure effect,’ detailing how repetition invites us into music as active participants, rather than passive listeners. Lesson by Elizabeth Hellmuth Margulis, animation by Andrew Zimbelman for The Foreign Correspondents' Club.Support Our Non-Profit Mission----------------------------------------------Support us on Patreon: http://bit.ly/TEDEdPatreonCheck out our merch: http://bit.ly/TEDEDShop----------------------------------------------Connect With Us----------------------------------------------Sign up for our newsletter: http://bit.ly/TEDEdNewsletterFollow us on Facebook:…

Practice more problem-solving at https://brilliant.org/TedEd/Solution to bonus riddle: https://brilliant.org/TedEdTrollParadox/Uploaded 20-12-18You and your brother have discovered another realm and set off exploring the new wonderful world. Along the way, you see a troll catching creatures in an enormous net. The troll agrees to release the creatures if you can come up with a statement that is both truth and false. Can you come up with the correct sentence and force the troll to release them? Dan Finkel shows how. Lesson by Dan Finkel, directed by Artrake Studio.Thank you so much to our patrons for your support! Without you this video would not be possible! Chris, Megan Douglas, Barbara Smalley, Filip Dabrowski, Clair Chen, Vik Nagjee, Karen Goepen-Wee, Della Palacios, Bah Becerra, Marc Bilodeau, Ruby Solorzano, Ivan Tsenov, Claudia Mayfield, Yankai Liu, Duo Xu, Joy Love Om, Gi Nam Lee, Shawn Quichocho, Anika Westburg, Barun Padhy, Devin Harris, Tony Trapuzzano, Jason Weinstein, Kris Siverhus, Alexander…

View full lesson: http://ed.ted.com/lessons/what-did-dogs-teach-humans-about-diabetes-duncan-c-fergusonUploaded 28-08-14Diabetes has a history dating back to Ancient Greece. Our treatment of it, however, is more recent and was originally made possible with the help of man's best friend. Due to physiological traits shared with humans, dogs have saved countless lives through the discovery of insulin. Duncan C. Ferguson shares the story of the canine's great contribution to man -- and how we can all reap the medical benefits. Lesson by Duncan C. Ferguson, animation by Augenblick Studios. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletterUploaded 03-01-19View full lesson: https://ed.ted.com/lessons/the-history-of-the-world-according-to-cats-eva-maria-geiglIn ancient times, wildcats were fierce carnivorous hunters. And unlike dogs, who have undergone centuries of selective breeding, modern cats are genetically very similar to ancient cats. How did these solitary, fierce predators become our sofa sidekicks? Eva-Maria Geigl traces the domestication of the modern house cat.Lesson by Eva-Maria Geigl, directed by Chintis Lundgren.Thank you so much to our patrons for your support! Without you this video would not be possible! Jordan Tang, Juan, Sid, Tracey Tobkin, emily lam, Kathryn J Hammond, Elliot Poulin, Noel Situ, Oyuntsengel Tseyen-Oidov, Latora Slydell, Sydney Evans, Victor E Karhel, Bernardo Paulo, Eysteinn Guðnason, Andrea Feliz, Natalia Rico, Josh Engel, Bárbara Nazaré, Gustavo Mendoza, Zhexi Shan, Hugo Legorreta, PnDAA, Sandra Tersluisen, Ellen Spertus,…

View full lesson: http://ed.ted.com/lessons/what-happens-when-you-remove-the-hippocampus-sam-keanUploaded 26-08-14When Henry Molaison (now widely known as H.M.) cracked his skull in an accident, he began blacking out and having seizures. In an attempt to cure him, daredevil surgeon Dr. William Skoville removed H.M.'s hippocampus. Luckily, the seizures did go away — but so did his long-term memory! Sam Kean walks us through this astonishing medical case, detailing everything H.M. taught us about the brain and memory. Lesson by Sam Kean, animation by Anton Bogaty. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletterUploaded 07-01-19View full lesson: https://ed.ted.com/lessons/how-thor-got-his-hammer-scott-a-mellorLoki the mischief-maker, writhes in Thor’s iron grip. The previous night, he’d snuck up on Thor’s wife and shorn off her beautiful hair. To fix what he’d done, Loki rushes to the dwarves and tricks them into making gifts for the gods. Wanting to best their smith rivals, the dwarves make a set of golden treasures, including a hammer called Mjolnir. Scott A. Mellor traces the legend of Thor’s hammer.Lesson by Scott A. Mellor, directed by Remus and Kiki.Thank you so much to our patrons for your support! Without you this video would not be possible! Mrinalini, Anthony Kudolo, Scott Gass, Querida Owens, Hazel Lam, Manav parmar, Dwight Tevuk, Siamak H, Dominik Kugelmann, Mary Sawyer, David Rosario, Samuel Doerle, Susan Herder, Savannah Scheelings, Prasanth Mathialagan, Yanira Santamaria, Dawn Jordan, Kevin Wong, Goh Xiang Ting…

View full lesson: http://ed.ted.com/lessons/feedback-loops-how-nature-gets-its-rhythms-anje-margriet-neutelUploaded 25-08-14While feedback loops are a bummer at band practice, they are essential in nature. What does nature’s feedback look like, and how does it build the resilience of our world? Anje-Margriet Neutel describes some common positive and negative feedback loops, examining how an ecosystem’s many loops come together to make its ‘trademark sound.’Lesson by Anje-Margriet Neutel, animation by Brad Purnell. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Explore the possibility of surviving a nuclear explosion and dig into a scientifically supported plan of action in case of a detonation. Uploaded 08-01-19--Nuclear weapons are some of the most powerful tools of destruction on Earth, and the full scope of a nuclear detonation is almost unimaginable. However, there is a scientifically supported plan of action that could save thousands of lives. What is this plan, and what exactly would it protect us from? Brooke Buddemeier and Jessica S. Wieder explore the possibility of surviving nuclear detonation. Lesson by Brooke Buddemeier and Jessica S. Wieder, directed by Tom Gran and Madeleine Grossi.Support Our Non-Profit Mission----------------------------------------------Support us on Patreon: http://bit.ly/TEDEdPatreonCheck out our merch: http://bit.ly/TEDEDShop----------------------------------------------Connect With Us----------------------------------------------Sign up for our newsletter: http://bit.ly/TEDEdNewsletterFollow us on Facebook:…

View full lesson: http://ed.ted.com/lessons/what-can-schrodinger-s-cat-teach-us-about-quantum-mechanics-josh-samaniUploaded 21-08-14The classical physics that we encounter in our everyday, macroscopic world is very different from the quantum physics that governs systems on a much smaller scale (like atoms). One great example of quantum physics’ weirdness can be shown in the Schrödinger's cat thought experiment. Josh Samani walks us through this experiment in quantum entanglement. Lesson by Josh Samani, animation by Dan Pinto. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletterUploaded 10-01-19View full lesson: https://ed.ted.com/lessons/can-you-solve-the-multiplying-rabbits-riddle-alex-gendlerAfter years of experiments, you’ve finally created the pets of the future – nano-rabbits! They’re tiny, they’re 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, directed by Artrake Studio.Thank you so much to our patrons for your support! Without you this video would not be possible! Dan Paterniti, Jerome Froelich, Tyler Yoshizumi, Martin Stephen, Justin Carpani, Faiza Imtiaz, Khalifa Alhulail, Tejas Dc, Benjamin and Shannon Pinder, Srikote Naewchampa, Sage Curie, Exal Enrique Cisneros Tuch, Ana Maria, Vignan Velivela, Ahmad Hyari, eden sher, Travis Wehrman, Louisa Lee, Kiara Taylor, Аркадий Скайуокер, Milad…

View full lesson: http://ed.ted.com/lessons/how-do-tornadoes-form-james-spannUploaded 19-08-14Tornadoes are the most violent storms on Earth, with wind velocities that can exceed 200 miles per hour. How do these terrifying cyclones form? Meteorologist James Spann sheds light on the lifespan of tornadoes as they go from supercell thunderstorms to terrible twisters before eventually dissolving back into thin air.Lesson by James Spann, animation by Província Studio. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletterUploaded 14-01-19View full lesson: https://ed.ted.com/lessons/the-truth-about-electroconvulsive-therapy-ect-helen-m-farrellIn 1982, a young nurse was suffering from severe, unrelenting depression. She couldn’t work, socialize or concentrate. One controversial treatment changed everything: after two courses of electroconvulsive therapy (ECT) her symptoms lifted. So what exactly is electroconvulsive therapy and why is it so stigmatized? Helen M. Farrell details the history and evolution of ECT. Lesson by Helen Farrell, directed by Artrake Studio.Thank you so much to our patrons for your support! Without you this video would not be possible! Dan Paterniti, Jerome Froelich, Tyler Yoshizumi, Martin Stephen, Justin Carpani, Faiza Imtiaz, Khalifa Alhulail, Tejas Dc, Benjamin and Shannon Pinder, Srikote Naewchampa, Sage Curie, Exal Enrique Cisneros Tuch, Ana Maria, Vignan Velivela, Ahmad Hyari, eden sher, Travis Wehrman, Louisa Lee,…

View full lesson: http://ed.ted.com/lessons/the-past-present-and-future-of-the-bubonic-plague-sharon-n-dewitteUploaded 18-08-14The bubonic plague, which killed around 1/5 of the world’s population in the 14th century, is still around today -- but it now claims only a few thousand lives each year. How did that number shrink so drastically? Sharon N. DeWitte investigates the causes and effects of the black death and explains how knowing this information can help us prepare for any future outbreaks of the disease. Lesson by Sharon N. DeWitte, animation by Steff Lee. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Find out how students can share their ideas as TED Talks here: http://bit.ly/2zpAQUcUploaded 15-01-19View full lesson: https://ed.ted.com/lessons/the-myth-of-pandora-s-box-iseult-gillespiePandora was the first mortal woman, breathed into being by Hephaestus, god of fire. The gods gave her gifts of language, craftsmanship and emotion. From Zeus she received two gifts: the trait of curiosity and a heavy box screwed tightly shut -- never to be opened. But what treasure could never be seen by human eyes, and why was it in her care? Iseult Gillespie explores the mystery of Pandora’s box.Lesson by Iseult Gillespie, directed by Silvia Prietov.Thank you so much to our patrons for your support! Without you this video would not be possible! Antony Lee, Husain Mohammad, Max Shuai Tang, Côme Vincent, Astia Rizki Safitri, Alan Froese, alessandra tasso, Gerald Onyango, Katrina Harding, Ezgi Yersu, Al the Scottish Wildcat, Katie Dean, Kin Lon Ma, Carsten Tobehn, Boris Langvand, Jeremy Fryd, Charlene You, Carolyn Corwin,…

View full lesson: http://ed.ted.com/lessons/how-do-you-know-you-exist-james-zuckerUploaded 14-08-14How do you know you’re real? Is existence all just a big dream? Has some mad scientist duped us into simply believing that we exist? James Zucker investigates all of these questions (and more) in this mind-boggling tribute to René Descartes’s "Meditations on First Philosophy."Lesson by James Zucker, animation by Stretch Films, Inc. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletterUploaded 17-01-19View full lesson: https://ed.ted.com/lessons/a-day-in-the-life-of-a-mongolian-queen-anne-f-broadbridgeAs dawn breaks over a moveable city of ten thousand yurts, Queen Boraqchin readies her kingdom for departure to their summer camping grounds. While her husband, the grandson of Genghis Khan, is out raiding, she juggles the duties of managing flocks, family and a city of thousands. Anne F. Broadbridge outlines a day in the life of a Mongolian queen. Lesson by Anne F. Broadbridge, directed by Els Decaluwe.Thank you so much to our patrons for your support! Without you this video would not be possible! Rohan Gupta, Senjo Limbu, Martin Lau, Robson Martinho, Jason Garcia, Cailin Ramsey, Aaron Henson, John Saveland, Nicolle Fieldsend-Roxborough, ReuniteKorea , Venkat Venkatakrishnan, Sandy Nasser, QIUJING L BU, Yoga Trapeze Wanderlust, Jaron Blackburn, Alejandro Cachoua, Thomas Mungavan, Elena Crescia, Edla…

View full lesson: http://ed.ted.com/lessons/how-optical-illusions-trick-your-brain-nathan-s-jacobsUploaded 12-08-14Optical illusions are images that seem to trick our minds into seeing something different from what they actually are. But how do they work? Nathan S. Jacobs walks us through a few common optical illusions and explains what these tricks of the eye can tell us about how our brains assemble visual information into the 3D world we see around us. Lesson by Nathan S. Jacobs, animation by TED-Ed. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletterUploaded 22-01-19View full lesson: https://ed.ted.com/lessons/why-should-you-read-fahrenheit-451-iseult-gillespieRay Bradbury’s novel imagines a world where books are banned- and possessing, let alone reading them, is forbidden.The protagonist, Montag, is a fireman responsible for destroying what remains. The story raises the question: how can you preserve your mind in a society where free will, self-expression and curiosity are under fire? Iseult Gillespie examines what makes the dystopian novel a classic. Lesson by Iseult Gillespie, directed by Anton Bogaty.Thank you so much to our patrons for your support! Without you this video would not be possible! Vaibhav Mirjolkar, Tony, Michelle, Katie and Josh Pedretti, Erik Biemans, Gaurav Mathur, Sameer Halai, Hans Peng, Tekin Gültekin, Hector Quintanilla, Raheem, Penelope Misquitta, Ravi S. Rāmphal, Fahad Nasser Chowdhury, Marin Kovachev, Roman Pinchuk, Maria Lerchbaumer, Edgar…

View full lesson: http://ed.ted.com/lessons/the-secret-lives-of-baby-fish-amy-mcdermottUploaded 11-08-14Coral reef fish, like the yellow tang surgeonfish, begin life in a fascinating and weird way – as tiny floating larvae! These babies are capable of drifting thousands of miles on ocean currents, far from the reefs where they were born. Amy McDermott describes how these tiny trekkers travel across vast oceans, searching for the far-flung reefs they will one day call home.Lesson by Amy McDermott, animation by Reflective Films. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Explore the science of the groundbreaking technology for editing genes, called CRISPR- Cas9, and how the tool could be used to cure diseases.Uploaded 24-01-19--From the smallest single-celled organism to the largest creatures on Earth, every living thing is defined by its genes. With recent advancements, scientists can change an organism’s fundamental features in record time using gene editing tools such as CRISPR. But where did this medical marvel come from and how does it work? Andrea M. Henle examines the science behind this new technology.Lesson by Andrea M. Henle, directed by Adam Wells.Sign up for our newsletter: http://bit.ly/TEDEdNewsletterSupport us on Patreon: http://bit.ly/TEDEdPatreonFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram: http://bit.ly/TEDEdInstagramView full lesson: https://ed.ted.com/lessons/how-crispr-lets-you-edit-dna-andrea-m-henleThank you so much to our patrons for your support! Without you this video would not…

Explore how bacteria become resistant to antibiotics and turn into superbugs, and what scientists are doing to stop it. Uploaded 07-08-14--Right now, you are inhabited by trillions of microorganisms. Many of these bacteria are harmless (or even helpful!), but there are a few strains of ‘super bacteria’ that are pretty nasty -- and they’re growing resistant to our antibiotics. Why is this happening? Kevin Wu details the evolution of this problem that presents a big challenge for the future of medicine.Lesson by Kevin Wu, animation by Brett Underhill.Sign up for our newsletter: http://bit.ly/TEDEdNewsletterSupport us on Patreon: http://bit.ly/TEDEdPatreonFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram: http://bit.ly/TEDEdInstagramView full lesson: http://ed.ted.com/lessons/how-antibiotics-become-resistant-over-time-kevin-wu Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit…

You’re a vampire hunter entering the enemy’s lair. Can you outsmart this tricky brainteaser and vanquish the vampires?Uploaded 28-01-19--You’ve stealthily descended into the darkness of a vampire cave, setting a sequence of mirrors as you go. When the sun reaches the right angle in the sky, a beam of light will ricochet along the mirrors, strike a diffuser, and illuminate the great chamber where the vampires sleep. Can you place the diffuser correctly and flood the lair with sunlight? Dan Finkel shows how.Lesson by Dan Finkel, directed by Artrake Studio.Sign up for our newsletter: http://bit.ly/TEDEdNewsletterSupport us on Patreon: http://bit.ly/TEDEdPatreonFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram: http://bit.ly/TEDEdInstagramView full lesson: https://ed.ted.com/lessons/can-you-solve-the-vampire-hunter-riddle-dan-finkelThank you so much to our patrons for your support! Without you this video would not be possible! Derek Drescher,…

View full lesson: http://ed.ted.com/lessons/what-s-hidden-among-the-tallest-trees-on-earth-wendell-oshiroUploaded 05-08-14When Stephen Sillett was a boy, he took to the forests of Pennsylvania with his brother and grandmother. Looking up into the dense branches and leaves, his curiosity was piqued: What was hidden up there? Wendell Oshiro tells the story of an adult Sillett's bold (if not a little dangerous) exploration of the canopy of an ancient redwood and details some of the fascinating discoveries he made.Lesson by Wendell Oshiro, animation by Black Powder Design. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Find out why Flannery O’Connor, an American novelist, is known as a master of the grotesque in Southern Gothic literature.Uploaded 29-01-19--Flannery O’Connor scribbled tales of outcasts, intruders and misfits staged in the world she knew best: the American South. She was a master of the grotesque, but her work pushed beyond the purely ridiculous and frightening to reveal the variety and nuance of human character. Iseult Gillespie explores how O’Connor’s endlessly surprising fictional worlds continue to draw readers decades later. Lesson by Iseult Gillespie, directed by Anton Bogaty.Sign up for our newsletter: http://bit.ly/TEDEdNewsletterSupport us on Patreon: http://bit.ly/TEDEdPatreonFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram: http://bit.ly/TEDEdInstagramView full lesson: https://ed.ted.com/lessons/why-should-you-read-flannery-o-connor-iseult-gillespieThank you so much to our patrons for your support! Without you this video would…

View full lesson: http://ed.ted.com/lessons/the-nurdles-quest-for-ocean-domination-kim-preshoffUploaded 04-08-14Nurdles are the tiny, factory-made pellets that form the raw material for every plastic product that we use, from toys to toothbrushes. And while they look pretty harmless on land, they can really wreak havoc on our oceans. Kim Preshoff details the nurdles' quest for ocean domination, shedding light on the particular features that allow these pervasive polluters to persist for entire generations. Lesson by Kim Preshoff, animation by Reflective Films. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Dive into the science of ocean currents (including the Global Conveyor Belt current), and find out how climate change affects them.Uploaded 31-01-19--In 1992, a cargo ship carrying bath toys got caught in a storm. Shipping containers washed overboard, and the waves swept 28,000 rubber ducks and other toys into the North Pacific. But they didn’t stick together -- the ducks have since washed up all over the world. How did this happen? Jennifer Verduin dives into the science of ocean currents.Lesson by Jennifer Verduin, directed by Cabong Studios.Sign up for our newsletter: http://bit.ly/TEDEdNewsletterSupport us on Patreon: http://bit.ly/TEDEdPatreonFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram: http://bit.ly/TEDEdInstagramView full lesson: https://ed.ted.com/lessons/how-do-ocean-currents-work-jennifer-verduinThank you so much to our patrons for your support! Without you this video would not be possible! Ritul Raghavan, Mada Arslan, Nathan…

View full lesson: http://ed.ted.com/lessons/what-light-can-teach-us-about-the-universe-pete-edwardsUploaded 31-07-14Humanity has long been looking at the universe and asking the big questions: How did it begin? How will it end? Cosmologists are searching hard for the answers, but where do they even start? The answer is light. Pete Edwards outlines the six unique messages that light carries which, when put together, disclose a stunning amount of information to astronomers.Lesson by Pete Edwards, animation by Bevan Lynch. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

An animated interpretation of Safia Elhillo's poem "To Make Use of Water"Uploaded 02-02-19--Watch an interview with the poet here: http://bit.ly/TEDEdSafiaInterviewThis 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/TEDEdTheresAPoemForThatPoem by Safia Elhillo, directed by Jeffig Le Bars and Jérémie Balais.Sign up for our newsletter: http://bit.ly/TEDEdNewsletterSupport us on Patreon: http://bit.ly/TEDEdPatreonFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram: http://bit.ly/TEDEdInstagram#poetry Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/the-coelacanth-a-living-fossil-of-a-fish-erin-eastwoodUploaded 29-07-14The coelacanth, a prehistoric fish that was mistakenly thought to have gone extinct at the same time as the dinosaurs, has managed to stick around our seas for 360 million years. Erin Eastwood details the surprising "back from the dead" discovery of the coelacanth and explains how this fish's fins shed light on the evolutionary movement of vertebrates from water to land. Lesson by Erin Eastwood, animation by James Price for The Foreign Correspondents' Club. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

An animated interpretation of Robert Frost's poem "The Road Not Taken"Uploaded 02-02-19--For an analysis of this poem, watch this video: http://bit.ly/TEDEdFrostAnalysisThis 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/TEDEdTheresAPoemForThatPoem by Robert Frost, directed by Ellen Su. Sign up for our newsletter: http://bit.ly/TEDEdNewsletterSupport us on Patreon: http://bit.ly/TEDEdPatreonFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram: http://bit.ly/TEDEdInstagram#poetry Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/the-history-of-the-barometer-and-how-it-works-asaf-bar-yosefUploaded 28-07-14A barometer is an instrument that measures air pressure, allowing weather forecasters and scientists to better predict extreme weather events. Despite its incredible usefulness, inventing the barometer was no walk in the park. Asaf Bar-Yosef describes the series of scientists and events that contributed to the birth of the barometer -- and explains how it actually works. Lesson by Asaf Bar-Yosef, animation by Reflective Films. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

An animated interpretation of William Shakespeare's poem "All the World's a Stage"Uploaded 02-02-19--For an analysis of this poem, watch this video: http://bit.ly/TEDEdShakespeareAnalysisThis 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/TEDEdTheresAPoemForThatPoem by William Shakespeare, directed by Jeffig Le Bars and Jérémie Balais. Sign up for our newsletter: http://bit.ly/TEDEdNewsletterSupport us on Patreon: http://bit.ly/TEDEdPatreonFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram: http://bit.ly/TEDEdInstagram#poetry Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices