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TED-Ed

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Latest episodes

  • Why are beavers captivated by dams? - Glynnis Hood

    October 29, 2026 · 6 min

    Explore how beavers build their impressive dams, and what impact these structures have on the surrounding environment. --Nestled in the forests of Canada sits the world’s longest beaver dam. This 850-meter-long structure is large enough to…

  • Ethical dilemma: Should we eradicate mosquitoes entirely? - Talya Hackett

    October 29, 2026 · 7 min

    Explore how the technology of gene drives could lead to the eradication of mosquitoes and what that could mean for our ecosystems.--Mosquitoes are responsible for more human deaths every year than any other animal, but very few of the…

  • The surprising effects of pregnancy

    October 29, 2026 · 8 min

    Discover how pregnancy changes every organ in the body— from the heart, to the brain and kidneys— and what we still don’t know about it.Uploaded 01-10-20--Muscles and joints shift and jostle. The heart’s pounding rhythm speeds up. Blood…

  • A day in the life of an ancient Egyptian doctor - Elizabeth Cox

    October 29, 2026 · 6 min

    Check out our Patreon page: https://www.patreon.com/tededUploaded 19-07-18View full lesson: https://ed.ted.com/lessons/a-day-in-the-life-of-an-ancient-egyptian-doctor-elizabeth-coxIt’s another sweltering morning in Memphis, Egypt. As the…

  • Fabricate your own medicine - Lee Cronin

    October 29, 2026 · 5 min

    Chemist Lee Cronin is working on a 3D printer that, instead of objects, is able to print molecules. An exciting potential long-term application: printing your own medicine using chemical inks. Talk by Lee Cronin. Learn more about your ad…

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  • The family structure of elephants - Caitlin O'Connell-Rodwell

    October 28, 2026 · 11 min

    View full lesson: http://ed.ted.com/lessons/the-family-structure-of-elephants-caitlin-o-connell-rodwellUploaded 15-04-14Biologist Caitlin O'Connell-Rodwell has come to one big conclusion from her last twenty years studying elephants…

  • Can democracy persist without trust? - Ivan Krastev

    October 28, 2026 · 17 min

    Five great revolutions have shaped political culture over the past 50 years, says theorist Ivan Krastev. He shows how each step forward -- from the cultural revolution of the '60s to recent revelations in the field of neuroscience -- has…

  • The mathematics of yesteryear - Jean-Baptiste Michel

    October 28, 2026 · 6 min

    View full lesson: http://ed.ted.com/lessons/the-mathematics-of-history-jean-baptiste-michelWhat can mathematics say about history? According to TED Fellow Jean-Baptiste Michel, quite a lot. From changes to language to the deadliness of…

  • Why Shakespeare loved iambic pentameter - David T. Freeman and Gregory Taylor

    October 28, 2026 · 7 min

    View full lesson: http://ed.ted.com/lessons/why-shakespeare-loved-iambic-pentameter-david-t-freeman-and-gregory-taylorUploaded 27-01-15Shakespeare sometimes gets a bad rap in high schools for his complex plots and antiquated language. But…

  • Birth of a nickname - John McWhorter

    October 28, 2026 · 7 min

    View full lesson: http://ed.ted.com/lessons/birth-of-a-nickname-john-mcwhorterUploaded 24-09-13Where do nicknames come from? Why are Ellens called Nellie and Edwards Ned? It's all a big misunderstanding from the early days of the English…

  • When do you genuinely become an adult? - Shannon Odell

    October 28, 2026 · 7 min

    Explore how scientists define adulthood, and find out if there’s a specific age at which we reach maturity. --Most countries recognize 18 as the start of adulthood by granting various freedoms and privileges. Yet there’s no exact age or…

  • Meet Melissa Perez

    October 28, 2026 · 4 min

    This is one of five student perspectives featured in the PBS special "TED Talks Education" (#TEDTalksed.) Learn more here: https://www.ted.com/promos/TEDTalksEducationUploaded 08-05-13Special thanks to our partners in this endeavor: WNET…

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About the show

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. Want to suggest an idea for a TED-Ed animation, nominate an educator or animator? Visit our website at: http://ed.ted.com/get_involved. Consider backing us on Patreon. By doing so, you directly support our nonprofit mission to create free, high-quality educational content: https://www.patreon.com/teded For more information on using TED-Ed content for commercial purposes (e.g. employee learning, in a film, or in an online course), please submit a Media Request using this link: https://media-requests.ted.com/