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TED-Ed’s mission is to create lessons worth sharing. Feed and expand your curiosity with our award-winning animated shorts - published on YouTube and available with supplemental learning materials on ed.ted.com.

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Episodes 1,839

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  • October 10 · 19 min

    How do you save a shark you know nothing about? - Simon Berrow

    They're the second largest fish in the world, they're almost extinct, and we know almost nothing about them. In this talk, Simon Berrow describes the fascinating basking shark ("Great Fish of the Sun" in Irish), and the exceptional -- and wonderfully low-tech -- ways he's learning enough to save them. (Filmed at TEDxDublin.) Uploaded 26-06-13 Talk by Simon Berrow. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

  • October 10 · 6 min

    Can you solve the multiplying rabbits riddle? - Alex Gendler

    Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter Uploaded 10-01-19 View full lesson: https://ed.ted.com/lessons/can-you-solve-the-multiplying-rabbits-riddle-alex-gendler After 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 Mostafavi, Rob Johnson, Clarence E. Harper Jr., Mihail Radu Pantilimon, Karthik Cherala, Violeta Cervantes, Elaine Fitzpatrick, Lyn-z Schulte, cnorahs, Henrique 'Sorín' Cassús, Tim Robinson, Jun Cai, Joichiro Yamada, Paul Schneider, Amber Wood, Ophelia Gibson Best, Cas Jamieson, Michelle Stevens-Stanford, Phyllis Dubrow, Andreas Voltios, Eunsun Kim, Philippe Spoden, Samantha Chow, Ayala Ron, Manognya Chakrapani, Simon Holst Ravn, Doreen Reynolds-Consolati, Rakshit Kothari and Melissa Sorrells. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

  • October 10 · 6 min

    History vs. Andrew Jackson - James Fester

    View full lesson: http://ed.ted.com/lessons/history-vs-andrew-jackson-james-fester Uploaded 21-01-14 Andrew Jackson was both beloved and loathed during his presidency. In this imaginary courtroom, you get to be the jury, considering and weighing Jackson's part in the spoils system, economic depression, and the Indian Removal Act, as well as his patriotism and the pressures of the presidency. James Fester explores how time shapes our relationship to controversial historical figures. Lesson by James Fester, animation by Brett Underhill. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

  • October 10 · 7 min

    This could save lives— but are you prepared to do it? - Michael Vazquez and Sarah Stroud

    Puzzle through this classic ethical dilemma and decide: is community safety more important than individual privacy? -- Your government has introduced a plan to address record-breaking rates of traffic tickets and deadly hovercar accidents. They propose assigning “driver credit scores” to every citizen, but would need to install cameras and microphones in every vehicle. While it would make the roads safer, is this undeniable benefit worth the cost to drivers’ privacy? Michael Vazquez and Sarah Stroud investigate. Lesson by Michael Vazquez and Sarah Stroud, directed by Jeff Le Bars, JetPropulsion.space. This video made possible in collaboration with the Parr Center for Ethics Learn more about how TED-Ed partnerships work: https://bit.ly/TEDEdPartner Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagram: http://bit.ly/TEDEdInstagram ---------------------------------------------- Keep Learning ---------------------------------------------- View full lesson: https://ed.ted.com/lessons/is-safety-worth-the-loss-of-privacy-michael-vazquez-and-sarah-stroud Dig deeper with additional resources: https://ed.ted.com/lessons/is-safety-worth-the-loss-of-privacy-michael-vazquez-and-sarah-stroud/digdeeper Animator's website: https://jetpropulsion.space Music: http://www.wonderboyaudio.com ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! Ophelia Gibson Best, Paul Schneider, Joichiro Yamada, Henrique Cassús, Karthik Cherala, Clarence E. Harper Jr., Vignan Velivela, Ana Maria, Exal Enrique Cisneros Tuch, Tejas Dc, Khalifa Alhulail, Martin Stephen, Jose Henrique Leopoldo e Silva, Mandeep Singh, Abhijit Kiran Valluri, Morgan Williams, Devin Harris, Pavel Zalevskiy, Karen Goepen-Wee, Filip Dabrowski, Barbara Smalley, Megan Douglas, Tim Leistikow, Ka-Hei Law, Hiroshi Uchiyama, Mark Morris, Misaki Sato, EdoKun, SookKwan Loong, Bev Millar, Lex Azevedo, Michael Aquilina, Jason A Saslow, Yansong Li, Cristóbal Moenne, Dawn Jordan, Prasanth Mathialagan, Samuel Doerle, David Rosario, Dominik Kugelmann - they-them, Siamak Hajizadeh, Ryohky Araya, Mayank Kaul, Christophe Dessalles, Heather Slater, Sandra Tersluisen, Zhexi Shan, Bárbara Nazaré, Andrea Feliz and Victor E Karhel. Learn more about your ad choices. Visit megaphone.fm/adchoices

  • October 10 · 6 min

    Career of an astronaut - Jerry Carr

    View full lesson: http://ed.ted.com/lessons/life-of-an-astronaut-jerry-carr Astronaut Jerry Carr knows space. As commander of Skylab, he spent over 2000 hours in space, orbiting the Earth over 1000 times. Recounting his life story, Carr remembers the enchanting years he spent at NASA. Lesson by Jerry Carr, animation by Sharon Colman Graham. Learn more about your ad choices. Visit megaphone.fm/adchoices

  • October 10 · 7 min

    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. Uploaded 12-01-21 -- Princess Savitri was benevolent, brilliant, and bright. Her grace was known throughout the land, and many princes and merchants flocked to her family’s 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 and Satyavan. Lesson by Iseult Gillespie, directed by Jagriti Khirwar and Raghav Arumugam. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagram: http://bit.ly/TEDEdInstagram ---------------------------------------------- Keep Learning ---------------------------------------------- View full lesson: https://ed.ted.com/lessons/savitri-and-satyavan-the-legend-of-the-princess-who-outwitted-death-iseult-gillespie Dig deeper with additional resources: https://ed.ted.com/lessons/savitri-and-satyavan-the-legend-of-the-princess-who-outwitted-death-iseult-gillespie#digdeeper Animator's website: https://www.jagritikhirwar.com/ and https://www.raghavarumugam.com/ Sound design: https://www.campstudio.co/ ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! Megulo Abebe, TAO7 HORUS, isolwi, Linh Tran, Vedasheersh, Michael Chang, Alexander Gruber, Irene Y., Kate Sem, VPpurplebelt, Ujjwal Dasu, Winnie Yeung, Giovanna Suleiman Dores, Moritz Heinz, Theunis Groenewald, Võ Thiên Kim, JasonD, Terran Gimpel, Dillon Jason Ramai, Gareth Thomas, Talia Sari, Allen, Kevin Fowler, Sarat Chandra Vegunta, Gautam, Mahina Bachiller, Bruce Vieira Lopes, Charmaine Hanson, Paul Aldred-Bann, Thawsitt, Jezabel, Adriano Fontes, Xiao Yu, Melissa Suarez, SpartacusDMR , Brian A. Dunn, Francisco Amaya, Daisuke Goto, Matt Switzler, Leonardo Monrroy, Sumedh Ghaisas, Guhten, Maryam, Bethany Connor, Jeremy Shimanek, Mark Byers, Avinash Amarnath, Xuebicoco, Rare Media and Rayo. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

  • October 10 · 7 min

    The dungeon master's conundrum - Alex Rosenthal

    A group of adventurers has broken into your lair. Can you figure out who the cleric is before they start casting spells? -- Yet another party of adventurers has broken into your lair to slay your minions and steal your treasures. Judging by the trail of destruction, you’re up against a fighter, a rogue, and a cleric. The first two won’t be a problem for a powerful necromancer like you— but the clerics' spells are trouble. Can you figure out which adventurer is the cleric before it’s too late? Alex Rosenthal shows how. Lesson by Alex Rosenthal, directed by Igor Ćorić, Artrake Studio. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagram: http://bit.ly/TEDEdInstagram ---------------------------------------------- Keep Learning ---------------------------------------------- View full lesson: https://ed.ted.com/lessons/the-dungeon-master-s-riddle-alex-rosenthal Dig deeper with additional resources: https://ed.ted.com/lessons/the-dungeon-master-s-riddle-alex-rosenthal/digdeeper Animator's website: https://www.artrake.com ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! Liz Candee, Ugur Doga Sezgin, Karmi Nguyen, John C. Vesey, Yelena Baykova, Nick Johnson, Carlos H. Costa, Jennifer Kurkoski, Ryan B Harvey, Akinola Emmanuel, Jose Arcadio Valdes Franco, Sebastiaan Vleugels, Karl Laius, JY Kang, Abhishek Goel, Heidi Stolt, Nicole Sund, Karlee Finch, Mario Mejia, Denise A Pitts, Doug Henry, Keven Webb, Mihai Sandu, Deepak Iyer, Javid Gozalov, Kyanta Yap, Rebecca Reineke, William Biersdorf, Patricia Alves Panagides, Yvette Mocete, Cyrus Garay, Samuel Barbas, LadyGeek, Marin Kovachev, Penelope Misquitta, Hans Peng, Gaurav Mathur, Erik Biemans, Tony, Michelle, Katie and Josh Pedretti, Hoai Nam Tran, Kack-Kyun Kim, Michael Braun-Boghos, zjweele13, Anna-Pitschna Kunz, Edla Paniguel, Thomas Mungavan, Jaron Blackburn, Venkat Venkatakrishnan, ReuniteKorea and Aaron Henson. Learn more about your ad choices. Visit megaphone.fm/adchoices

  • October 10 · 6 min

    How Sun Wukong escaped the underworld - Shunan Teng

    Meet Sun Wukong, the Monkey King, and follow his journey to the Realm of the Dead and his fierce battle to escape the underworld. Uploaded 07-04-20 -- The Monkey King, a legendary troublemaker hatched from stone and schooled in divine magic, had stolen the Dragon Lord’s most treasured weapon: a magical staff. Returning to his kingdom to show off his treasure to his tribe of warrior monkeys, he finds himself caught in the clutches of two soul collectors, dragging him to his death. Shunan Teng details the Monkey King’s journey to the underworld. Lesson by Shunan Teng, directed by Yijia Cao and Mohammad Babakoohi. Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Support us on Patreon: http://bit.ly/TEDEdPatreon Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagram: http://bit.ly/TEDEdInstagram View full lesson: https://ed.ted.com/lessons/how-the-mo... Thank you so much to our patrons for your support! Without you this video would not be possible! Hugo Legorreta, Zhexi Shan, Gustavo Mendoza, Bárbara Nazaré, Josh Engel, Natalia Rico, Andrea Feliz, Eysteinn Guðnason, Bernardo Paulo, Victor E Karhel, Sydney Evans, Latora Slydell, Oyuntsengel Tseyen-Oidov, Noel Situ, Elliot Poulin, emily lam, Juan, Jordan Tang, Kent Logan, Alexandra Panzer, Laura Cameron Keith, Jen, Ellen Spertus, Cailin Ramsey, Markus Goldhacker, Leora Allen, Andras Radnothy, Chris, Arpita Singh, Vijayalakshmi, Marc Bilodeau, Peng, Tzu-Hsiang, paul g mohney, Maya Toll, Sebastian Regez, Bruno Hannud, Andreas Voltios, Shubham Arora, Ugur Doga Sezgin, Akinola Emmanuel, Kyanta Yap, Ricardo Rendon Cepeda, Ana Maria, Benjamin and Shannon Pinder, Ernest Chow, Bela Namyslik, Alan Froese, Anika Westburg, Nick Cozby and Shawar Khan. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

  • October 10 · 17 min

    How to defend Earth from asteroids - Phil Plait

    What's six miles wide and can end civilization in an instant? An asteroid -- and there are lots of them out there. With humor and great visuals, Phil Plait enthralls the TEDxBoulder audience with all the ways asteroids can kill, and what we must do to avoid them. (Filmed at TEDxBoulder.) Uploaded 08-08-13 Talk by Phil Plait. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

  • October 10 · 19 min

    Massive-scale online collaboration - Luis von Ahn

    After re-purposing CAPTCHA so each human-typed response helps digitize books, Luis von Ahn wondered how else to use small contributions by many on the Internet for greater good. In this talk, he shares how his ambitious new project, Duolingo, will help millions learn a new language while translating the Web quickly and accurately -- all for free. (Filmed at TEDxCMU.) Uploaded 08-08-13 Talk by Luis von Ahn. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

  • October 10 · 5 min

    Network dynamics - Marc Samet

    View full lesson: http://ed.ted.com/lessons/what-facebook-and-the-flu-have-in-common-marc-samet From social media to massive financial institutions, we live within a web of networks. But how do they work? How does Googling a single word provide millions of results? Marc Samet investigates how these networks keep us connected and how they remain "alive." Lesson by Marc Samet, animation by Thinkmore Studios. Learn more about your ad choices. Visit megaphone.fm/adchoices

  • October 10 · 7 min

    What sleep deprivation does to your brain - Anna Rothschild

    Explore how pulling an all-nighter can impact your cognitive function, and find out what happens to your brain when you don't sleep. -- You’re just one history final away from a relaxing spring break. But you still have so much to study! You decide to follow in the footsteps of many students before you, and pull an all-nighter. So, what happens to your brain when you stay up all night? And does cramming like this actually help you prepare for a test? Anna Rothschild explores how a sleepless night impacts your cognitive function. Lesson by Anna Rothschild, directed by Biljana Labović. Animation by Noam Sussman & Ali Kellner, Homework Studio. This video made possible in collaboration with the Bezos Family Foundation Learn more about how TED-Ed partnerships work: https://bit.ly/TEDEdPartner A special thanks to Dr. Mathias Basner, Andrew Fuligni, Adriana Galván, and UCLA Center for the Developing Adolescent who provided information and insights for the development of this video. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagram: http://bit.ly/TEDEdInstagram ---------------------------------------------- Keep Learning ---------------------------------------------- View full lesson: https://ed.ted.com/lessons/what-staying-up-all-night-does-to-your-brain-anna-rothschild Dig deeper with additional resources: https://ed.ted.com/lessons/what-staying-up-all-night-does-to-your-brain-anna-rothschild/digdeeper ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! Conder Shou, ntiger, Noname, Hansan Hu, David D, Mac Hyney, Keith Ellison, robin valero walters, Lynne Truesdale, Gatsby Dkdc, Matthew Neal, Denis Chon, Julian Oberhofer, Monte Carroll, Eddy, Jay M, Constantino Victor Delgado, Andrea Galvagni, Andrew Tweddle, Laurel-Ann Rice, Fernando A. Endo, Helen Lee, pam morgan, sarim haq, Gerardo Castro, Michel-Ange Hortegat, Enes Kirimi, Amaury BISIAUX, ND, Samyogita Hardikar, Vanessa Graulich, Vandana Gunwani, Abdulmohsin Almadi, AJ Lyon, Geoffrey Bultitude, Mi Mi, Thomas Rothert, Brian Elieson, Oge O, Weronika Falkowska, Nevin Spoljaric, Sid Chanpuriya, Anoop Varghese, David Yastremski, Noah Webb, Roberto Chena, Oliver Koo, Luke Pisano, Andrea Gordon and Aleksandar Donev. Learn more about your ad choices. Visit megaphone.fm/adchoices

  • October 10 · 13 min

    Reinventing the encyclopedia game - Rives

    Prompted by the Encyclopaedia Britannica ending its print publication, performance poet Rives resurrects a game from his childhood. Speaking at the TEDxSummit in Doha, Rives takes us on a charming tour through random (and less random) bits of human knowledge: from Chimborazo, the farthest point from the center of the Earth, to Ham the Astrochimp, the first chimpanzee in outer space. Uploaded 28-08-13 Talk by Rives. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

  • October 10 · 7 min

    This mushroom will kill you before you understand what's occurring - Michael Beug

    Explore the toxicity of death cap mushrooms, and find out what makes this one species so dangerous to humans. -- Humans have known about the toxicity of death cap mushrooms for millennia. Yet they continue to pose a significant threat to unsuspecting foragers and mushroom hunters throughout the world. Today, death caps are responsible for more than 90% of all mushroom related deaths, killing upwards of 100 people each year. So, what makes this one species of mushroom so dangerous? Michael Beug investigates. Lesson by Michael Beug, directed by Denys Spolitak. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagram: http://bit.ly/TEDEdInstagram ---------------------------------------------- Keep Learning ---------------------------------------------- View full lesson: https://ed.ted.com/lessons/this-mushroom-will-kill-you-before-you-know-what-s-happening-michael-beug Dig deeper with additional resources: https://ed.ted.com/lessons/this-mushroom-will-kill-you-before-you-know-what-s-happening-michael-beug/digdeeper Animator's website: https://vimeo.com/user50965180 ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! Vector-Dopamine math, Jasper Song, Giorgio Bugnatelli, Chardon, Eddy Trochez, OnlineBookClub.org, Eric Shear, Leith Salem, Omar Hicham, Adrian Rotaru, Brad Sullivan, Karen Ho, Niklas Frimberger, Hunter Manhart, Nathan Nguyen, Igor Stavchanskiy, James R DeVries, Grace Huo, Diana Huang, Chau Hong Diem, Orlellys Torre, Corheu, Thomas Mee, Maryann H McCrory, Blas Borde, John Hellmann, Poompak Meephian, Chuck Wofford, Adam Pagan, Wes Winn, Conder Shou, ntiger, Noname, Hansan Hu, David D, Mac Hyney, Keith Ellison, robin valero walters, Lynne Truesdale, Gatsby Dkdc, Matthew Neal, Denis Chon, Julian Oberhofer, Monte Carroll, Eddy, Jay M, Constantino Victor Delgado, Andrea Galvagni, Andrew Tweddle and Laurel-Ann Rice. Learn more about your ad choices. Visit megaphone.fm/adchoices

  • October 10 · 6 min

    Does light behave as a particle or a wave? - Colm Kelleher

    View full lesson: http://ed.ted.com/lessons/is-light-a-particle-or-a-wave-colm-kelleher Can we accurately describe light as exclusively a wave or just a particle? Are the two mutually exclusive? In this third part of his series on light and color, Colm Kelleher discusses wave-particle duality and its relationship to how we see light and, therefore, color. Lesson by Colm Kelleher, animation by Nelson Diaz. Learn more about your ad choices. Visit megaphone.fm/adchoices

  • October 10 · 5 min

    How do tornadoes form? - James Spann

    View full lesson: http://ed.ted.com/lessons/how-do-tornadoes-form-james-spann Uploaded 19-08-14 Tornadoes 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

  • October 10 · 5 min

    The Higgs Field, explained - Don Lincoln

    View full lesson: http://ed.ted.com/lessons/the-higgs-field-explained-don-lincoln Uploaded 27-08-13 One of the most significant scientific discoveries of the early 21st century is surely the Higgs boson, but the boson and the Higgs Field that allows for that magic particle are extremely difficult to grasp. Don Lincoln outlines an analogy that all of us can appreciate, starring a large dinner party, a raucous group of physicists, and Peter Higgs himself. Lesson by Don Lincoln, animation by Powerhouse Animation Studios Inc. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

  • October 10 · 5 min

    What is déjà vu? What is déjà vu? - Michael Molina

    What causes the sensation of déjà vu? Dive into the theories and psychology that could explain why you’re having that feeling… again. Uploaded 28-08-13 -- You might have felt it -- the feeling that you've experienced something before, but, in reality, the experience is brand new. There are over 40 theories that attempt to explain the phenomenon of déjà vu. Michael Molina explains how neuroimaging and cognitive psychology have narrowed down the theories that could explain that feeling you're having...again. Lesson by Michael Molina, animation by Josh Harris. Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Support us on Patreon: http://bit.ly/TEDEdPatreon Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagram: http://bit.ly/TEDEdInstagram View full lesson: http://ed.ted.com/lessons/what-is-deja-vu-what-is-deja-vu-michael-molina Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

  • October 10 · 6 min

    How are these fires burning beneath the surface? - Emma Bryce

    Explore the phenomenon known as peat fires, smoldering fires that burn underground and can continue for months or even years. -- In 1997, a fire began in Indonesia that would rage for almost a year. Despite being one of the largest fires in recorded history, for months at a time it burned without a flame. This might sound like a uniquely freaky fire, but it’s actually one of many. So, is it possible to snuff out these bizarre blazes? And how do they form in the first place? Emma Bryce explores the phenomenon of peat fires. Lesson by Emma Bryce, directed by Ivana Volda. A special thanks to Guillermo Rein who provided information and insights for the development of this video. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon Check out our merch: http://bit.ly/TEDEDShop ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagram: http://bit.ly/TEDEdInstagram ---------------------------------------------- Keep Learning ---------------------------------------------- View full lesson: https://ed.ted.com/lessons/the-worlds-longest-burning-fires-emma-bryce Dig deeper with additional resources: https://ed.ted.com/lessons/the-worlds-longest-burning-fires-emma-bryce/digdeeper Animator's website: https://ivanathomasvolda.org Music: https://www.wonderboyaudio.com ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! Jeremy Shimanek, Mark Byers, Avinash Amarnath, Xuebicoco, Rayo, Po Foon Kwong, Boffin, Jesse Jurman, Scott Markley, Elija Peterson, Ovidiu Mrd, paul g mohney, Steven Razey, Nathan Giusti, Helen Lee, Anthony Benedict, Karthik Balsubramanian, Annastasshia Ames, Amy Lopez, Vinh-Thuy Nguyen, Liz Candee, Ugur Doga Sezgin, Karmi Nguyen, John C. Vesey, Yelena Baykova, Nick Johnson, Carlos H. Costa, Jennifer Kurkoski, Ryan B Harvey, Akinola Emmanuel, Jose Arcadio Valdes Franco, Sebastiaan Vleugels, Karl Laius, JY Kang, Abhishek Goel, Heidi Stolt, Nicole Sund, Karlee Finch, Mario Mejia, Denise A Pitts, Doug Henry, Keven Webb, Mihai Sandu, Deepak Iyer, Javid Gozalov, Kyanta Yap, Rebecca Reineke, William Biersdorf, Patricia Alves Panagides and Yvette Mocete. Learn more about your ad choices. Visit megaphone.fm/adchoices

  • October 10 · 7 min

    How fast are you moving right now? - Tucker Hiatt

    View full lesson: http://ed.ted.com/lessons/how-fast-are-you-moving-right-now-tucker-hiatt Uploaded 27-01-14 "How fast are you moving?" seems like an easy question, but it's actually quite complicated -- and perhaps best answered by another question: "Relative to what?" Even when you think you're standing still, the Earth is moving relative to the Sun, which is moving relative to the Milky Way, which is...you get the idea. Tucker Hiatt unravels the concepts of absolute and relative speed. Lesson by Tucker Hiatt, animation by Zedem Media. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

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