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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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October 9 · 19 min
We need a "moral operating system" - Damon Horowitz
Damon Horowitz reviews the enormous new powers that technology gives us: to know more -- and more about each other -- than ever before. Drawing the audience into a philosophical discussion, Horowitz invites us to pay new attention to the basic philosophy -- the ethical principles -- behind the burst of invention remaking our world. Where's the moral operating system that allows us to make sense of it? (Filmed at TEDxSiliconValley.) Uploaded 08-08-13 Talk by Damon Horowitz. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices
October 9 · 5 min
How to conquer a dragon with math - Garth Sundem
View full lesson: http://ed.ted.com/lessons/how-to-defeat-a-dragon-with-math-garth-sundem Having trouble remembering the order of operations? Let's raise the stakes a little bit. What if the future of your (theoretical) kingdom depended on it? Garth Sundem creates a world in which PEMDAS is the hero but only heroic when in the proper order. Lesson by Garth Sundem, animation by Mark Phillips. Learn more about your ad choices. Visit megaphone.fm/adchoices
October 9 · 5 min
The secret lives of baby fish - Amy McDermott
View full lesson: http://ed.ted.com/lessons/the-secret-lives-of-baby-fish-amy-mcdermott Uploaded 11-08-14 Coral 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
October 9 · 7 min
The tragic myth of the Sun God's son - Iseult Gillespie
Dive into the Greek myth of Helios and Phaethon, where the Sun God allows his mortal son to drive his chariot for a day. Uploaded 18-01-22 -- Every morning, Helios unleashed his golden chariot, and set out across the sky. As the Sun God transformed dawn into day, he thought of his son, Phaethon, below. To prove to Phaethon that he was truly his father, Helios decided to grant him anything he wanted. Unfortunately, what Phaethon wanted was to drive Helios’ chariot for a day. Iseult Gillespie shares the tragic myth of the charioteer. Lesson by Iseult Gillespie, directed by Raghav Arumugam and Jagriti Khirwar. 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-tragic-myth-of-the-sun-god-s-son-iseult-gillespie Dig deeper with additional resources: https://ed.ted.com/lessons/the-tragic-myth-of-the-sun-god-s-son-iseult-gillespie#digdeeper Animator's website: https://www.jagritikhirwar.com and https://www.raghavarumugam.com Music: https://www.campstudio.co ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! Jesse Lira, Ezekiel Raui, Zongpu Kou, Cameron Chakraverty, Petr Vacek, Rhys Patterson, Dennis, Olivia Fu, Katrina Adams, Regina Post, Mary Collins, Kari Teffeau, clumsybunnie , Adam Leos, Cindy Lai, Liz, Rajath Durgada Manjunath, Dan Nguyen, Chin Beng Tan, Tom Boman, Karen Warner, Isorn Sookwanish, Iryna Panasiuk, Diane Gallin, Aaron Torres, Vasundhar, Eric Braun, Denka Wee, Sonja Worzewski, Amy, Michael Clement, Ghaith Tarawneh, Nathan Milford, Tomas Beckett, Alice Ice, Eric Berman, Kurt Paolo Sevillano, Ron Kakar, Jennifer Heald, Megulo Abebe, TAO7CADENCE, Olympia Buckingham, isolwi, Vedasheersh, Michael Chang, Waqar Sheikh, Irene Y., Kate Sem, VPpurplebelt and Ujjwal Dasu. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices
October 9 · 21 min
How to use experts—and when not to - Noreena Hertz
View full lesson: http://ed.ted.com/lessons/noreena-hertz-how-to-use-experts-and-when-not-to Uploaded 24-08-13 We make important decisions every day -- and we often rely on experts to help us decide. But, says economist Noreena Hertz, relying too much on experts can be limiting and even dangerous. She calls for us to start democratizing expertise -- to listen not only to "surgeons and CEOs, but also to shop staff." Talk by Noreena Hertz. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices
October 9 · 7 min
The dust bunnies that built our planet - Lorin Swint Matthews
Investigate the theories surrounding cosmic dust bunnies and discover how the tiny particles could hold the key to the formation of life on Earth. Uploaded 05-09-19 -- Consider the spot where you’re sitting. Travel backwards in time and it might’ve been submerged at the bottom of a shallow sea, buried under miles of rock or floating through a molten landscape. But go back about 4.6 billion years, and you’d be in the middle of an enormous cloud of dust and gas orbiting a newborn star. What exactly is this cosmic dust? Lorin Matthews investigates. Lesson by Lorin Swint Matthews, directed by Frederic Siegel (Team Tumult). 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/the-dust-bunnies-that-built-our-planet-lorin-swint-matthews Thank you so much to our patrons for your support! Without you this video would not be possible! Derek Drescher, Mihail Radu Pantilimon, Amin Shahril, Mohamed Elsayed, Barthélémy Michalon, Chumi Ogbonna, Karlee Finch, Mohammad Said, jj5252, Kelvin Lam, Mauricio Basso, Athena Grace Franco, Tirath Singh Pandher, Melvin Williams, Tsz Hin Edmund Chan, Nicolas Silva, Raymond Lee, Kurt Almendras, Denise A Pitts, Abdallah Absi, Dee Wei, Richard A Berkley, Tim Armstrong, Daniel Nester, Hashem Al, denison martins fernandes, Doug Henry, Arlene Spiegelman, Michał Friedrich, Joshua Wasniewski, Maryam Dadkhah, Kristiyan Bonev, Keven Webb, Mihai Sandu, Deepak Iyer, Javid Gozalov, Emilia Alvarado, Jaime Arriola, Mirzat Tulafu, Lewis Westbury, Felipe Hoff, Rebecca Reineke, Cyrus Garay, Victoria Veretilo, Michael Aquilina, William Biersdorf, Patricia Alves Panagides, Valeria Sloan Vasquez, Mike Azarkman and Yvette Mocete. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices
October 9 · 7 min
Who decides how long a second is? - John Kitching
Discover how scientists developed atomic clocks, which use the vibrations of atoms to measure and maintain a globally consistent time. Uploaded 19-01-21 -- In 1967, researchers gathered to answer a long-running scientific question: just how long is a second? It might seem obvious at first. A second is the tick of a clock, the swing of a pendulum, the time it takes to count to one. But how precise are those measurements? And what is that length based on? John Kitching digs into how we scientifically define this fundamental unit of time. Lesson by John Kitching, directed by Tjoff Koong. 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/who-decides-how-long-a-second-is-john-kitching Dig deeper with additional resources: https://ed.ted.com/lessons/who-decides-how-long-a-second-is-john-kitching#digdeeper Animator's website: http://greenhouseanimation.com/directors/tjoff-koong/ ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! Po Foon Kwong, NinjaBoffin, Jesse Jurman, Josue Perez Miranda, Scott Markley, Elija Peterson, Ovidiu Mrd, Lawrence Wu, Xavier Dupont, Aravind Battaje, Nathan Giusti, Helen Lee, Anthony Benedict, Karthik Balsubramanian, John Hong, Annastasshia Ames, Sebastiaan Hols, Aries SW, Amy Lopez, Liz Candee, Kathryn Vacha, Anthony Arcis, Jeffrey Segrest, Karmi Nguyen, Yelena Baykova, Harshita Jagdish Sahijwani, Nick Johnson, Carlos H. Costa, Mohamed Elsayed, Les Howard, Jennifer Kurkoski, Ryan B Harvey, Abhishek Bansal, Jose Arcadio Valdes Franco, Karl Laius, JY Kang, Charles A Hershberger, Robert Seik, Heidi Stolt, Alexis Hevia, Brady Jones, Christina Salvatore, Karlee Finch, Michael Goldberg, Mario Mejia, Nicolas Silva, Kurt Almendras, Denise A Pitts, Doug Henry and Kristiyan Bonev. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices
October 9 · 17 min
Meet global corruption's hidden players - Charmian Gooch
When the son of the president of a desperately poor country starts buying mansions and sportscars on an official monthly salary of $7,000, Charmian Gooch suggests, corruption is probably somewhere in the picture. In a blistering, eye-opening talk (and through several specific examples), she details how global corruption trackers follow the money -- to some surprisingly familiar faces. Uploaded 23-08-13 Talk by Charmian Gooch. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices
October 8 · 7 min
The dark history of IQ tests - Stefan C. Dombrowski
Explore the history of IQ tests; how they measure a person’s intelligence and the ways they have been used to justify scientifically baseless ideologies. -- In 1905, psychologists Alfred Binet and Théodore Simon designed a test for children who were struggling in school in France. Designed to determine which children required individualized attention, their method formed the basis of the modern IQ test. So how do IQ tests work, and are they a true reflection of intelligence? Stefan C. Dombrowski explores how the tests have been used throughout history. Lesson by Stefan C. Dombrowski, directed by Kozmonot Animation Studios. Animator's website: https://www.kozmonot.tv/ 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/the-dark-history-of-iq-tests-stefan-c-dombrowski Thank you so much to our patrons for your support! Without you this video would not be possible! David Matthew Ezroj, Sweetmilkcoco, Raphaël LAURENT, Joe Meyers, Farah Abdelwahab, Brian Richards, Divina Grace Dar Santos, Jessie McGuire, Abdullah Altuwaijri, Sarah Burns, Clement, Hadi Salahshour, FAWWAZ GHUWAIDI, Dino Biancolini, Reagen O'Connor, Nicu Boanda, Cindy O., Karla Brilman, Jørgen Østerpart, Sergi Páez, rakesh Katragadda, Carolyn Corwin, Charlene You, Boris Langvand, Exal Enrique Cisneros Tuch, Carsten Tobehn, Kin Lon Ma, Katie Dean, Ezgi Yersu, Eunsun Kim, Katrina Harding, Gerald Onyango, alessandra tasso, Astia Rizki Safitri, Côme Vincent, Antony Lee, Melissa Sorrells, Rakshit Kothari, Doreen Reynolds-Consolati, Simon Holst Ravn, Manognya Chakrapani, Ayala Ron, Samantha Chow, Philippe Spoden, Phyllis Dubrow, Michelle Stevens-Stanford, Cas Jamieson, Ophelia Gibson Best, Amber Wood and Paul Schneider. Learn more about your ad choices. Visit megaphone.fm/adchoices
October 8 · 6 min
Can you solve the birthday cake riddle? - Marie Brodsky
Practice more problem-solving at https://brilliant.org/TedEd -- Your friend’s birthday is tomorrow, and he’s turning… well… you’ve forgotten. A ginormous cake has been prepared and your job is to sculpt his age as the chocolate centerpiece. The birthday boy is a giant, and you’re afraid that if your forgetfulness becomes known, you’ll become part of the feast. Can you figure out your friend’s age before the party? Marie Brodsky shows how. Lesson by Marie Brodsky, directed by Igor Coric, 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/can-you-solve-the-birthday-cake-riddle-marie-brodsky Dig deeper with additional resources: https://ed.ted.com/lessons/can-you-solve-the-birthday-cake-riddle-marie-brodsky#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! Angel Alberici, Minh Quan Dinh, Sylvain, JasonD, Terran Gimpel, Talia Sari, Katie McDowell, Allen, Sarat Chandra Vegunta, Mahina Knuckles, Charmaine Hanson, Thawsitt, Jezabel, Abdullah Abdulaziz, Adriano Fontes, Xiao Yu, Melissa Suarez, SpartacusDMR, Brian A. Dunn, Francisco Amaya, Daisuke Goto, Matt Switzler, Leonardo Monrroy, Maryam, Bethany Connor, Jeremy Shimanek, Mark Byers, Avinash Amarnath, Xuebicoco, Rare Media, Rayo, Po Foon Kwong, NinjaBoffin, Jesse Jurman, Scott Markley, Elija Peterson, Ovidiu Mrd, paul g mohney, Aravind Battaje, Steven Razey, Nathan Giusti, Helen Lee, Anthony Arcis Benedict, Karthik Balsubramanian, John Hong, Annastasshia Ames, Sean, Amy Lopez, Vinh-Thuy Nguyen and Liz Candee. Learn more about your ad choices. Visit megaphone.fm/adchoices
October 8 · 6 min
What causes antibiotic resistance? - Kevin Wu
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/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/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 megaphone.fm/adchoices
October 8 · 6 min
Have we hit the ceiling of computational power? - Sajan Saini and George Zaidan
Dig into Moore’s Law and explore its 4 main limitations and how they could change how we are able to make progress in computing. -- Moore’s Law states that every 1 to 2 years the number of transistors that can fit on a given size computer chip will double. Thanks to this law, chips have gotten smaller, faster, more efficient, and cheaper. But today, there are four key problems that trip up this trend, potentially ending Moore’s Law and fundamentally changing how computing progresses. Sajan Saini and George Zaidan investigate. Lesson by Sajan Saini and George Zaidan, directed by Jeff Le Bars, JetPropulsion.space. A special thanks to Anuradha Murthy Agarwal who provided information and insights for the development of this video. Artists and artworks referenced in the animation: "The Persistence of Memory and The Disintegration of the Persistence of Memory" by Salvador Dalí "Composition VIII" by Wassily Kandinsky "Oh Jeff and Girl with Tear III" by Roy Lichtenstein "Black Square on a White Background" by Kazimir Malevich "Triptych Bleu I, II, III" by Joan Miró Piet Mondrian "Marilyn" by Andy Warhol 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/have-we-reached-the-limit-of-computer-power-sajan-saini-and-george-zaidan Dig deeper with additional resources: https://ed.ted.com/lessons/have-we-reached-the-limit-of-computer-power-sajan-saini-and-george-zaidan/digdeeper Animator's website: https://jetpropulsion.space Music: https://www.wonderboyaudio.com ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! 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, Aaron Henson, Rohan Gupta, Begum Tutuncu, Brian Richards, Jørgen Østerpart, Tyron Jung, Carsten Tobehn, Katie Dean, Ezgi Yersu, Gerald Onyango, and alessandra tasso. Learn more about your ad choices. Visit megaphone.fm/adchoices
October 8 · 5 min
The Japanese myth of the trickster raccoon - Iseult Gillespie
Dive into the Japanese myth of the shape-shifting tanuki, as the raccoon-like creature rewards a traveling salesman for his kindness. -- On the dusty roads of a small village, a traveling salesman was having difficulty selling his wares. As he wandered the outskirts of town in the hopes of finding some new customers, he heard a high-pitched yelp coming from the edge of the forest. Following the screams to their source, he discovered a trapped tanuki. Iseult Gillespie details the Japanese myth of the shape-shifting creature. Lesson by Iseult Gillespie, directed by Anna Samo. 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-japanese-myth-of-the-trickster-raccoon-iseult-gillespie Dig deeper with additional resources: https://ed.ted.com/lessons/the-japanese-myth-of-the-trickster-raccoon-iseult-gillespie#digdeeper Animator's website: https://vimeo.com/tigerunterwegs ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! Paul Aldred-Bann, Manav parmar, Susan Wang, Utkarsh Dubey, Thawsitt, Xuebicoco, Jezabel, Maeve, Kim Humphrey, Kristen Damas, JackKeyton, Matthew D. Vigil, Amin Shahril, Adriano Fontes, Xiao Yu, Fatima Kried, Aravind Battaje, Melissa Suarez, Jason Duncan, Brian A. Dunn, Francisco Amaya, Daisuke Goto, Matt Switzler, Chhunheng Veng, Leonardo Monrroy, Sumedh Ghaisas, Guhten, Amer Harb, Dowey Baothman, Norbert Orgován, Shafeeq Ansari, Gabriel Balsa, Maryam Sultan, Bethany Connor, Jeremy Shimanek, Adam Foreman, Sebastiaan Vleugels, Lâm Nguyễn, Mark Byers, Bradley Heinold, Monkeypatcher, Laurence McMillan, Connor Roberts, Dmitry Neverov, Tonya Ratliff-Garrison, Avinash Amarnath, Eric McDaniel, Cristian Cristian, France Lipužič and EdoKun. Learn more about your ad choices. Visit megaphone.fm/adchoices
October 8 · 7 min
Can you picture images in your mind? Some people can't - Adam Zeman
Learn more at https://brilliant.org/TedEd -- When reading "Alice's Adventures in Wonderland," most readers visualize the queen’s croquet game play out in their heads. A few might see the scene in vivid detail. However, a small fraction of readers have a drastically different experience: within their heads, they "see" absolutely nothing. Why do some people have an inability to visualize images? Adam Zeman explores the science of aphantasia. Lesson by Adam Zeman, directed by Biljana Labović. Animation by Manon David. 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/can-you-see-images-in-your-mind-some-people-cant-adam-zeman Dig deeper with additional resources: https://ed.ted.com/lessons/can-you-see-images-in-your-mind-some-people-cant-adam-zeman/digdeeper Animator's website: https://manondavid.fr & https://www.instagram.com/mnndvid ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! 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, Victor E Karhel, Sydney Evans, Latora, Noel Situ, emily lam, Sid, Niccolò Frassetto, Mana, I'm here because of Knowledge Fight Facebook group., Linda Freedman, and Edgardo Cuellar. Learn more about your ad choices. Visit megaphone.fm/adchoices
October 8 · 21 min
Medicine's future? There's an app for that - Daniel Kraft
View full lesson: http://ed.ted.com/lessons/medicine-s-future-there-s-an-app-for-that-daniel-kraft Daniel Kraft offers a fast-paced look at the next few years of innovations in medicine, powered by new tools, tests and apps that bring diagnostic information right to the patient's bedside. (Filmed at TEDxMaastricht.) Talk by Daniel Kraft. Learn more about your ad choices. Visit megaphone.fm/adchoices
October 8 · 18 min
Transforming the dictionary - Erin McKean
View full lesson: http://ed.ted.com/lessons/erin-mckean-redefines-the-dictionary Is the beloved paper dictionary doomed to extinction? In this infectiously exuberant talk, leading lexicographer Erin McKean looks at the many ways today's print dictionary is poised for transformation. As the CEO and co-founder of new online dictionary Wordnik, Erin McKean is reshaping not just dictionaries but how we interact with language itself. Talk by Erin McKean. Learn more about your ad choices. Visit megaphone.fm/adchoices
October 8 · 4 min
Understanding color - Colm Kelleher
Watch the whole lesson on http://ed.ted.com/lessons/how-do-we-see-color-colm-kelleher Have you ever wondered what color is? In this first installment of a series on light, Colm Kelleher describes the physics behind colors-- why the colors we see are related to the period of motion and the frequency of waves. Lesson by Colm Kelleher, animation by Vitreous. Learn more about your ad choices. Visit megaphone.fm/adchoices
October 8 · 6 min
This sea creature breathes through its butt - Cella Wright
Explore the wonderfully bizarre life of the sea cucumber, and discover the essential role they play in keeping ocean ecosystems healthy. -- Is it a fuzzy sock? An overripe banana? A moldy tube of toothpaste? No! In fact, it’s a humble sea cucumber: a brainless, fleshy form surrounding a digestive tract, and bookended by a mouth and an anus. And while it might look odd, its daily toil paves the way for entire ecosystems to thrive. Cella Wright journeys to the bottom of the ocean to explore the lives of these sausage-shaped wonders. Lesson by Cella Wright, directed by Guto BR, Flávia Godoy and Lívia Serri Francoio. 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/the-most-important-anus-in-the-ocean-cella-wright Thank you so much to our patrons for your support! Without you this video would not be possible! Joe Giamartino, Filip Dabrowski, Barbara Smalley, Megan Douglas, Tim Leistikow, Andrés Melo Gámez, Renhe Ji, Ka-Hei Law, Michal Salman, Peter Liu, Mark Morris, Catherine Sverko, Misaki Sato, Tan YH, Ph.D., Rodrigo Carballo, SookKwan Loong, Bev Millar, Merit Gamertsfelder, Lex Azevedo, Noa Shore, Taylor Hunter, Kyle Nguyen, MJ Tan Mingjie, Cristóbal Moenne, Goh Xiang Ting Diana, Kevin Wong, Dawn Jordan, Yanira Santamaria, Prasanth Mathialagan, Savannah Scheelings, Susan Herder, Samuel Doerle, David Rosario, Dominik Kugelmann, Siamak H, Tracey Tobkin, Dwight Tevuk, Anthony Kudolo, Mrinalini , Yanuar Ashari, Ivan Todorović, Alex Schenkman, Brittiny Elman, Ryohky Araya, Paul Coupe, David Douglass, Ricardo Paredes, Bill Feaver, Eduardo Briceño and Arturo De Leon. Learn more about your ad choices. Visit megaphone.fm/adchoices
October 8 · 5 min
Can you solve the vampire hunter riddle? - Dan Finkel
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/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/can-you-solve-the-vampire-hunter-riddle-dan-finkel Thank you so much to our patrons for your support! Without you this video would not be possible! Derek Drescher, Karisa Caudill, Zhong Ming Zenny Tan, Christina Salvatore, Brady Jones, Todd Gross, Alexis Hevia, Heidi Stolt, Robert Seik, Coenraad Keuning, Charles A Hershberger, Laura Cameron Keith, Abhishek Goel, Marc Bou Zeid, JY Kang, Anastasiia, Madee Lo, Arpita Singh, Karl Laius, Tu-Anh Nguyen, Guy Hardy, Brandy Sarver, Jose Arcadio Valdes Franco, Akinola Emmanuel, igor romanenko, Dian Atamyanov, Abhishek Bansal, Austin Randall, Ryan B Harvey, Jennifer Kurkoski, phkphk123321, Arlene Weston, Mehmet Yusuf Ertekin, Ten Cha, Les Howard, Kevin O'Leary, Francisco Leos, Robert Patrick, Marcus Appelbaum, Alan Wilder, Mohamed Elsayed, Aleksandr Lyozin, Angel Pantoja, Eimann P. Evarola, Carlos H. Costa, Tariq Keblaoui, Bela Namyslik, Nick Johnson, Won Jang and Sandra Fuller Bocko. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices
October 8 · 20 min
Assessing what makes life worthwhile - Chip Conley
View full lesson: http://ed.ted.com/lessons/chip-conley-measuring-what-makes-life-worthwhile When the dot-com bubble burst, hotelier Chip Conley went in search of a business model based on happiness. In an old friendship with an employee and in the wisdom of a Buddhist king, he learned that success comes from what you count. Chip Conley creates joyful hotels, where he hopes his employees, customers and investors alike can realize their full potential. His books share that philosophy with the wider world. Talk by Chip Conley. Learn more about your ad choices. Visit megaphone.fm/adchoices

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