TED-Ed

Epizode

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  Axolotls: The salamanders that snack on each other (but don't die) - Luis Zambrano 20.09.2026 8min

  Discover the extraordinary regenerative powers of the axolotl, a salamander native to Mexico and one of science’s most studied animals.--Axolotls are one of science’s most studied animals. Why, you ask? These extraordinary salamanders are masters of regeneration: they can flawlessly regenerate body parts ranging from amputated limbs and crushed spines to parts of their eyes and brains. So, how do they do it? And what other secrets are they keeping? Luis Zambrano explores the baffling biology of the axolotl.Lesson by Luis Zambrano, directed by Lizete Upīte.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: http://bit.ly/TEDEdInstagram----------------------------------------------Keep Learning----------------------------------------------View full lesson: https://ed.ted.com/lessons/these-salamanders-snack-on-each-other-but-don-t-die-luis-zambranoDig deeper with additional resources: https://ed.ted.com/lessons/these-salamanders-snack-on-each-other-but-don-t-die-luis-zambrano#digdeeperAnimator's website: https://lizete.berta.me----------------------------------------------Thank you so much to our patrons for your support! Without you this video would not be possible! Elija Peterson, Ovidiu Mrd, Xavier dupont, paul g mohney, Aravind Battaje, Nathan Giusti, Helen Lee, Anthony Benedict, Karthik Balsubramanian, John Hong, Annastasshia Ames, Amy Lopez, Vinh-Thuy Nguyen, Liz Candee, Kathryn Vacha, Ugur Doga Sezgin, Anthony Arcis, Chung Wah Gnapp, Karmi Nguyen, Yelena Baykova, Harshita Jagdish Sahijwani, Nick Johnson, Carlos H. Costa, Roberto Patrick, Les Howard, Jennifer Kurkoski, Ryan B Harvey, Abhishek Bansal, Akinola Emmanuel, Jose Arcadio Valdes Franco, Karl Laius, JY Kang, Heidi Stolt, Alexis Hevia, Christina Salvatore, Karlee Finch, Michael Goldberg, Denise A Pitts, Doug Henry, Kristiyan Bonev, Keven Webb, Mihai Sandu, Deepak Iyer, Javid Gozalov, Kyanta Yap, Rebecca Reineke, William Biersdorf, Patricia Alves Panagides, Valeria Sloan Vasquez and Yvette Mocete. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  A brief history of toilets - Francis de los Reyes 20.09.2026 8min

  Explore the history of the toilet and how waste management has evolved from from ancient Mesopotamia to modern day.--On sunny days, citizens of ancient Rome could be found exchanging news and gossip while attending to more urgent business at the public latrines. Today, most cultures consider trips to the restroom to be a more private occasion. But even when going alone, our shared sewage infrastructure is one of the most pivotal inventions in human history. Francis de los Reyes shares the history of the toilet.Lesson by Francis de los Reyes, directed by Igor Coric, Artrake Studio.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: http://bit.ly/TEDEdInstagram----------------------------------------------Keep Learning----------------------------------------------View full lesson: https://ed.ted.com/lessons/a-brief-history-of-toilets-francis-de-los-reyesDig deeper with additional resources: https://ed.ted.com/lessons/a-brief-history-of-toilets-francis-de-los-reyes#digdeeperAnimator's website: https://www.artrake.com----------------------------------------------Thank you so much to our patrons for your support! Without you this video would not be possible! Kyle Nguyen, Jason A Saslow, MJ Tan Mingjie, Dawn Jordan, Prasanth Mathialagan, Samuel Doerle, David Rosario, Siamak H, Manav parmar, David Lucsanyi, Anthony Kudolo, Ryohky Araya, Mayank Kaul, Eduardo Briceño, Christophe Dessalles, Heather Slater, Yuh Saito, Fabian Amels, Sandra Tersluisen, Zhexi Shan, Bárbara Nazaré, Andrea Feliz, Victor E Karhel, Sydney Evans, Latora Slydell, Noel Situ, emily lam, Sid, Kent Logan, Alexandra Panzer, Jay M, Constantino Victor Delgado, Andrea Galvagni, Andrew Tweddle, Laurel-Ann Rice, Fernando A. Endo, Courtney Marcott, Anna-Alicia Brooks, Mustafa, Helen Lee, pam morgan, sarim haq, Juan Pablo Rodriguez Morales, ANNE FINE, Gerardo Castro, Siddharth Toshniwal, Justice Boehmer, Michel-Ange Hortegat, Enes Kirimi and Amaury BISIAUX BISIAUX. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  How do we fix medicine? - Atul Gawande 20.09.2026 25min

  Our medical systems are broken. Doctors are capable of extraordinary (and expensive) treatments, but they are losing their core focus: actually treating people. Doctor and writer Atul Gawande suggests we take a step back and look at new ways to do medicine -- with fewer cowboys and more pit crews. Talk by Atul Gawande. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  Why do we snack on popcorn at the movies? - Andrew Smith 20.09.2026 8min

  Trace the history of popcorn, from its origins in the Americas to its explosion of popularity in the 20th century.--Soft percussion and a toasty scent mark the violent transformation of tough seeds into cloud-like puffs. This is the almost magical process of popcorn-making. Dozens of kinds of popcorn are now grown in the US, with different strains assuming distinctive shapes when their kernels explode. So, how did we actually end up with this whimsical food? Andrew Smith traces the history of popcorn.Lesson by Andrew Smith, directed by Mitchelle Tamariz.This video made possible in collaboration with Marriott HotelsLearn more about how TED-Ed partnerships work: https://bit.ly/TEDEdPartnersSupport 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: http://bit.ly/TEDEdInstagram----------------------------------------------Keep Learning----------------------------------------------View full lesson: https://ed.ted.com/lessons/why-do-we-eat-popcorn-at-the-movies-andrew-smithDig deeper with additional resources: https://ed.ted.com/lessons/why-do-we-eat-popcorn-at-the-movies-andrew-smith#digdeeperAnimator's website: https://www.mitchelletamariz.comMusic: https://www.campstudio.co----------------------------------------------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
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  Is our universe the only cosmos? - Brian Greene 20.09.2026 28min

  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. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  The life, legacy and assassination of an African revolutionary - Lisa Janae Bacon 20.09.2026 8min

  Get to know the life of West African revolutionary Thomas Sankara, and his pursuit of liberating Burkina Faso from colonial rule.--In 1972, Thomas Sankara was swept into the revolution seeking to wrest control of Madagascar from France’s lingering colonial rule. The protests inspired the West African native to read works by socialist leaders and seek wisdom from military strategy. Leaving Madagascar in 1973, he was determined to free his country from its colonial legacy. Lisa Bacon details the life of the revolutionary icon.Lesson by Lisa Janae Bacon, directed by Tomás Pichardo-Espaillat.Animator's website: http://www.tomatico.net/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/the-life-legacy-assassination-of-an-african-revolutionary-lisa-janae-baconThank you so much to our patrons for your support! Without you this video would not be possible! Lawrence Teh Swee Kiang, BRENDAN NEALE, Jane White, Karmi Nguyen, John C. Vesey, Yelena Baykova, Harshita Jagdish Sahijwani, Won Jang, Nick Johnson, Tariq Keblaoui, Carlos H. Costa, Eimann P. Evarola, Aleksandr Lyozin, Mohamed Elsayed, Alan Wilder, Marcus Appelbaum, Francisco Leos, Kevin O'Leary, Les Howard, Ten Cha, Mehmet Yusuf Ertekin, Arlene Weston, phkphk123321, Jennifer Kurkoski, Ryan B Harvey, Austin Randall, Abhishek Bansal, Jayant Sahewal, Dian Atamyanov, igor romanenko, Jose Arcadio Valdes Franco, Brandy Sarver, Guy Hardy, Tu-Anh Nguyen, Karl Laius, Madee Lo, JY Kang, Marc Bou Zeid, Abhishek Goel, Charles A Hershberger, Coenraad Keuning, Robert Seik, Heidi Stolt, Alexis Hevia, Todd Gross, Brady Jones, Christina Salvatore, Zhong Ming Zenny Tan, Karisa Caudill and Bruno Pinho. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  Sugar: Hiding in plain sight - Robert Lustig 20.09.2026 5min

  View full lesson: http://ed.ted.com/lessons/sugar-hiding-in-plain-sight-robert-lustigWhile sugar is easy to spot in candy, soft drinks and ice cream, it also hides out in foods you might not expect -- including peanut butter, pasta sauce and even bologna! Robert Lustig decodes confusing labels and sugar's many aliases to help determine just how much of that sweet carbohydrate makes its way into our diets.Lesson by Robert Lustig, animation by The Tremendousness Collective. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  How to attack (and defend) a medieval castle - Connor C. Wilson 20.09.2026 8min

  Dig into the history of medieval European castles, and explore how the design of these formidable fortresses evolved over time.--Medieval European castles weren’t just for passive defense and withstanding enemy onslaughts; they were symbols of power, private residences, and hubs of governance. Castles regularly served as bases for launching attacks and as a way to control local populations. So, how were these formidable fortresses built? Connor C. Wilson explores how the design of these structures evolved over time.Lesson by Connor C. Wilson, directed by Layron DeJarnette.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: http://bit.ly/TEDEdInstagram----------------------------------------------Keep Learning----------------------------------------------View full lesson: https://ed.ted.com/lessons/how-to-attack-and-defend-a-medieval-castle-connor-c-wilsonDig deeper with additional resources: https://ed.ted.com/lessons/how-to-attack-and-defend-a-medieval-castle-connor-c-wilson/digdeeperAnimator's website: https://www.gumboyo.comEducator's website: https://x.com/ConnorCWilson1----------------------------------------------Thank you so much to our patrons for your support! Without you this video would not be possible! 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, Yvette Mocete, Cyrus Garay, Samuel Barbas, LadyGeek, Marin Kovachev, and Penelope Misquitta. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  The rise and fall of history’s first empire - Soraya Field Fiorio 20.09.2026 8min

  Discover history’s first empire: Sumer, located in Mesopotamia, which built the world’s first cities and created the first writing system.--History’s first empire rose out of a hot, dry landscape, without rainfall to nourish crops, without trees or stones for building. In spite of all this, its inhabitants built the world’s first cities, with monumental architecture and large populations— and they built them entirely out of mud. Soraya Field Fiorio details the rise and fall of the Sumerian empire.Lesson by Soraya Field Fiorio, directed by Tomás Pichardo-Espaillat.Animator's website: http://www.tomatico.net/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/the-rise-and-fall-of-history-s-first-empire-soraya-field-fiorioThank you so much to our patrons for your support! Without you this video would not be possible! Leen Mshasha, Mariana Ortega, Danny Romard, James Bruening, Ricki Daniel Marbun, Malcolm Callis, Sabrina Gonzalez, Al the Scottish Wildcat, سلطان الخليفي, Alexander Walls, Della Palacios, Vik Nagjee, Hiroshi Uchiyama, Adi V, Andrew Bosco, Craig Sheldon, Rishi Pasham, Joanne Luce, Jason A Saslow, Mary Sawyer, Scott Gass, Ruth Fang, Mayank Kaul, Kathryn J Hammond, Max Shuai Tang, Terry Minion, Sami Khan, Rob Johnson, Abdullah Abdulaziz, Angelo Urzua-Milla, Tommy Lewis, leorene, Mahina Bachiller, Marcus Andre Nery, Bruce Vieira Lopes, Chef, Charmaine Hanson, Michael Goldberg, Lydia Pflieger, Paul Aldred-Bann, Manav parmar, Susan Wang, Utkarsh Dubey, Thawsitt, Xuebicoco, Jezabel, Maeve, Kim Humphrey and Kristen Damas. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  What is Zeno's Dichotomy Paradox? - Colm Kelleher 20.09.2026 5min

  View full lesson: http://ed.ted.com/lessons/what-is-zeno-s-dichotomy-paradox-colm-kelleherCan you ever travel from one place to another? Ancient Greek philosopher Zeno of Elea gave a convincing argument that all motion is impossible - but where's the flaw in his logic? Colm Kelleher illustrates how to resolve Zeno's Dichotomy Paradox.Lesson by Colm Kelleher, animation by Buzzco Associates, inc. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  The power of Vedic math - Gaurav Tekriwal 20.09.2026 13min

  View full lesson: http://ed.ted.com/lessons/the-magic-of-vedic-math-gaurav-tekriwalThere is more than one way to reach a correct answer in mathematics. Vedic math, an ancient Indian method, sidesteps traditional computations in a manner that provides a shortcut, while being fun to use and to learn. At TEDYouth 2012, to ooh's and aah's from the amazed crowd, Gaurav Tekriwal demonstrates the magic of Vedic math.Talk by Gaurav Tekriwal. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  What few people know about the program that "saved" America - Meg Jacobs 20.09.2026 7min

  Explore the successes and failures of FDR’s New Deal, a set of legislation during the Great Depression which aimed to save the US economy. --In 1932, one in four Americans was unemployed, marking the highest unemployment rate in the country’s history. The Democratic presidential candidate Franklin D. Roosevelt promised a New Deal— a comprehensive set of legislation to support struggling citizens and put the country back to work. Meg Jacobs digs into the policies of this bold campaign and how it didn’t fully live up to its promises.Lesson by Meg Jacobs, directed by Anton Bogaty.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: http://bit.ly/TEDEdInstagram----------------------------------------------Keep Learning----------------------------------------------View full lesson: https://ed.ted.com/lessons/what-few-people-know-about-the-program-that-saved-america-meg-jacobsDig deeper with additional resources: https://ed.ted.com/lessons/what-few-people-know-about-the-program-that-saved-america-meg-jacobs#digdeeperAnimator's website: https://www.instagram.com/anton_bogaty ----------------------------------------------Thank you so much to our patrons for your support! Without you this video would not be possible! Jesse Lira, Ezekiel Raui, Itay Levi, Zongpu Kou, Cameron Chakraverty, Petr Vacek, Rhys Patterson, Dennis, Olivia Fu, Katrina Adams, Regina Post, Mary Collins, Kari Teffeau, clumsybunnie, Adam Leos, Jeremy Laurin, Cindy Lai, Liz , Bhargav Pandravada, Rajath Durgada Manjunath, Dan Nguyen, sarim haq, Chin Beng Tan, Alejandro Gomez, Tom Boman, Karen Warner, Isorn Sookwanish, Iryna Panasiuk, Diane Gallin, Aaron Torres, Vasundhar, Eric Braun, Denka Wee, Daru Bhargav, Sonja Worzewski, Amy, Michael Clement, Ghaith Tarawneh, Nathan Milford, Tomas Beckett, Alice Ice, Eric Berman, Kurt Paolo Sevillano, Xavi Ramos, Ron Kakar, Jennifer Heald, flóra lili donáti, Megulo Abebe, TAO7 HORUS and isolwi. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  What it means if you spot faces in objects - Susan G. Wardle 20.09.2026 6min

  Dig into the phenomenon of face pareidolia, which is the tendency of our brains to see faces in everyday objects.--Imagine opening a bag of chips, only to find Santa Claus looking back at you. Or turning a corner to see a building smiling at you. Humans see faces in all kinds of mundane objects, but these faces aren’t real— they're illusions due to a phenomenon known as face pareidolia. So why exactly does this happen, and how far does this distortion go? Susan G. Wardle explores why we see illusory faces.Lesson by Susan G. Wardle, directed by Oksana Kurmaz.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: http://bit.ly/TEDEdInstagram----------------------------------------------Keep Learning----------------------------------------------View full lesson: https://ed.ted.com/lessons/why-our-brains-see-faces-everywhere-susan-g-wardleDig deeper with additional resources: https://ed.ted.com/lessons/why-our-brains-see-faces-everywhere-susan-g-wardle#digdeeperAnimator's website: https://kurmaz.meMusic: https://soundcloud.com/aim-music----------------------------------------------Thank you so much to our patrons for your support! Without you this video would not be possible! 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, Aleksandar Donev, Nicole Klau Ibarra, Jesse Lira, Ezekiel Raui, Petr Vacek, Dennis, Olivia Fu, Kari Teffeau, Cindy Lai, Rajath Durgada Manjunath and Dan Nguyen. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  questions to ask yourself before you accept an idea - Siska De Baerdemaeker 20.09.2026 8min

  Get to know 3 factors that can help you identify pseudoscience, and find out how it differs from actual science.--Pseudoscience is a set of theories, methods, and assumptions that appear scientific, but aren’t. In the worst cases, pseudoscience practitioners encourage this confusion to exploit people. But even when it's well-intentioned, pseudoscience can still prevent people from getting the help they need. So, how can you tell what’s science and what’s pseudoscience? Siska De Baerdemaeker investigates.Lesson by Siska De Baerdemaeker, directed by Eoin Duffy. This video made possible in collaboration with Gates VenturesLearn more about how TED-Ed partnerships work: https://bit.ly/TEDEdPartnersSupport 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: http://bit.ly/TEDEdInstagram----------------------------------------------Keep Learning----------------------------------------------View full lesson: https://ed.ted.com/lessons/science-vs-pseudoscience-siska-de-baerdemaekerDig deeper with additional resources: https://ed.ted.com/lessons/science-vs-pseudoscience-siska-de-baerdemaeker#digdeeperAnimator's website: https://eoinduffy.me----------------------------------------------Thank you so much to our patrons for your support! Without you this video would not be possible! Nevin Spoljaric, Sid Chanpuriya, Anoop Varghese, David Yastremski, Noah Webb, Roberto Chena, Oliver Koo, Luke Pisano, Andrea Gordon, Aleksandar Donev, Nicole Klau Ibarra, Jesse Lira, Ezekiel Raui, Petr Vacek, Dennis, Olivia Fu, Kari Teffeau, Cindy Lai, Rajath Durgada Manjunath, Dan Nguyen, Chin Beng Tan, Tom Boman, Karen Warner, Iryna Panasiuk, Aaron Torres, Eric Braun, Sonja Worzewski, Michael Clement, Adam Berry, Ghaith Tarawneh, Nathan Milford, Tomas Beckett, Alice Ice, Eric Berman, Kurt Paolo Sevillano, Jennifer Heald, Megulo Abebe, isolwi, Kate Sem, Ujjwal Dasu, Angel Alberici, Minh Quan Dinh, Sylvain, Terran Gimpel, Talia Sari, Katie McDowell, Allen, Mahina Knuckles, Charmaine Hanson and Thawsitt. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  An enormous bubble for debate - Liz Diller 20.09.2026 15min

  View full lesson: http://ed.ted.com/lessons/a-giant-bubble-for-debate-liz-dillerHow do you make a great public space inside a not-so-great building? Liz Diller shares the story of creating a welcoming, lighthearted (even, dare we say it, sexy) addition to the Hirshhorn Museum in Washington, DC. (From The Design Studio session at TED2012, guest-curated by Chee Pearlman and David Rockwell.)Talk by Liz Diller. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  The Opposites Game 20.09.2026 6min

  A classroom erupts into a war of words as students grapple with a seemingly simple prompt: what is the opposite of a gun?--A TED-Ed ProductionA film by Anna Samo + Lisa LaBracioA poem by Brendan ConstantinePoem performed by Brendan ConstantineSound Design by Weston FongerAnimation & Design by Anna Samo + Lisa LaBracioProduced by Gerta XheloThis 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/TEDEdTheresAPoemForThatWatch an interview with the poet here: https://youtu.be/6NK7Q7eMDbUSign 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
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  What you can do with an extra jaw - Darien Satterfield 20.09.2026 8min

  Discover the adaptation of the pharyngeal jaw, a secondary set of jaws that allow fish to capture and eat their prey at the same time. --After stalking a cuttlefish, a moray eel finally pounces. As the eel snags the mollusk in its teeth, its prey struggles to escape. But before it can wiggle away, a second set of teeth lunge from the eel’s throat. This adaptation is called a pharyngeal jaw, and is one of the most common adaptations under the sea. Darien Satterfield shares how this incredible skeletal mechanism works.Lesson by Darien Satterfield, directed by Zack Williams.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: http://bit.ly/TEDEdInstagram----------------------------------------------Keep Learning----------------------------------------------View full lesson: https://ed.ted.com/lessons/real-life-alien-jaws-darien-satterfieldDig deeper with additional resources: https://ed.ted.com/lessons/real-life-alien-jaws-darien-satterfield#digdeeperAnimator's website: https://zackwilliams.work Composer: https://cargocollective.com/maxwellsorensen----------------------------------------------Thank you so much to our patrons for your support! Without you this video would not be possible! Samuel Doerle, David Rosario, Siamak H, Manav parmar, David Lucsanyi, Anthony Kudolo, Ryohky Araya, Mayank Kaul, Eduardo Briceño, Christophe Dessalles, Heather Slater, Yuh Saito, Fabian Amels, Sandra Tersluisen, Zhexi Shan, Bárbara Nazaré, Andrea Feliz, Victor E Karhel, Sydney Evans, Latora Slydell, Noel Situ, emily lam, Sid, Kent Logan, Alexandra Panzer, Jay M, Constantino Victor Delgado, Andrea Galvagni, Andrew Tweddle, Laurel-Ann Rice, Fernando A. Endo, Courtney Marcott, Anna-Alicia Brooks, Mustafa, Helen Lee, pam morgan, sarim haq, Juan Pablo Rodriguez Morales, ANNE FINE, Gerardo Castro, Siddharth Toshniwal, Justice Boehmer, Michel-Ange Hortegat, Enes Kirimi, Amaury BISIAUX BISIAUX, Aravind C V, ND, Samyogita Hardikar, Vanessa Graulich and Vandana Gunwani. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  Why I must voice concerns about climate change - James Hansen 20.09.2026 23min

  View full lesson: http://ed.ted.com/lessons/why-i-must-speak-out-about-climate-change-james-hansenTop climate scientist James Hansen tells the story of his involvement in the science of and debate over global climate change. In doing so he outlines the overwhelming evidence that change is happening and why that makes him deeply worried about the future. Talk by James Hansen. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  The rise and fall of Italy's hired warriors - Stephanie Honchell Smith 20.09.2026 8min

  Dig into the history of the elite mercenaries known as condottieri, who were soldiers for hire for Italy's rich and powerful.--During the 14th and 15th centuries, mercenaries known as condottieri dominated Italian warfare, profiting from— and encouraging— the region’s intense political rivalries. As rulers competed for power and prestige, their disputes often played out in military conflicts, fought almost entirely by the condottieri. So who were these elite and conniving warriors? Stephanie Honchell Smith investigates.Lesson by Stephanie Honchell Smith, directed by Yael Reisfeld.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: http://bit.ly/TEDEdInstagram----------------------------------------------Keep Learning----------------------------------------------View full lesson: https://ed.ted.com/lessons/the-merciless-mercenaries-of-the-italian-renaissance-stephanie-honchell-smithDig deeper with additional resources: https://ed.ted.com/lessons/the-merciless-mercenaries-of-the-italian-renaissance-stephanie-honchell-smith#digdeeperAnimator's website: https://www.yaelreisfeld.com----------------------------------------------Thank you so much to our patrons for your support! Without you this video would not be possible! 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, 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 and Weronika Falkowska. Learn more about your ad choices. Visit megaphone.fm/adchoices
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  The surprising science of happiness - Nancy Etcoff 19.09.2026 19min

  View full lesson: http://ed.ted.com/lessons/nancy-etcoff-on-the-surprising-science-of-happinessCognitive researcher Nancy Etcoff looks at happiness -- the ways we try to achieve and increase it, the way it's untethered to our real circumstances, and its surprising effect on our bodies. Talk by Nancy Etcoff. Learn more about your ad choices. Visit megaphone.fm/adchoices