TED-Ed

Download a free audiobook and support TED-Ed's nonprofit mission: https://adbl.co/2HejwqlUploaded 12-04-18Check out Oliver Sacks's "The Man Who Mistook His Wife for a Hat": http://bit.ly/2Hk8ShMView full lesson: https://ed.ted.com/lessons/what-causes-headaches-dan-kwartlerIn ancient Greece, the best-known remedy for a long-standing headache was to drill a small hole in the skull to drain supposedly infected blood. Fortunately, doctors today don’t resort to power tools to cure headaches, but we still have a lot to learn about this ancient ailment. Dan Kwartler shares what we know (and don't know) about headaches.Lesson by Dan Kwartler, animation by Sharon Colman.Thank you so much to our patrons for your support! Without you this video would not be possible. Senjo Limbu, Martin Lau, Robson Martinho, Jason Garcia, Cailin Ramsey, Seung Hoon Shin, John Saveland, Nicolle Fieldsend-Roxborough, Venkat Venkatakrishnan, Sandy Nasser, CG Nobles, Yoga Trapeze Wanderlust, Jaron Blackburn, Alejandro Cachoua, Thomas Mungavan, Elena Crescia, Edla Paniguel, Anna-Pitschna Kunz, Tim Armstrong, and Alessandro. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/could-your-brain-repair-itself-ralitsa-petrovaUploaded 27-04-15Imagine the brain could reboot, updating its damaged cells with new, improved units. That may sound like science fiction — but it’s a potential reality scientists are investigating right now. Ralitsa Petrova details the science behind neurogenesis and explains how we might harness it to reverse diseases like Alzheimer’s and Parkinson’s. Lesson by Ralitsa Petrova, animation by Artrake Studio. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 16-04-18View full lesson: https://ed.ted.com/lessons/the-surprising-reasons-animals-play-dead-tierney-thysFrom lemurs to lizards, ants to amphibians, sharks to chickens, hundreds of animals "play dead" as a survival tactic. But how and why do animals do this? Tierney Thys explains how this curious behavior, known as tonic immobility or TI for short, can be used as a defense or offense.Lesson by Tierney Thys, animation by Stretch Films Inc.Thank you so much to our patrons for your support! Without you this video would not be possible! Robert Hargis, Mark wisdom, Mircea Sîrbu, Molly Gardner, Irindany Sandoval, William Bravante, Elizabeth Parker, Sai Krishna Koyoda, Therapist Gus, Samuel Barbas, Betsy Feathers, Maxwell Ingram, Ajinkya Deshmukh, Victoria Soler-Roig, Abdulmateen Aderinto, Pavel Maksimov, Cyrus Garay, Triết Thạch Minh, Yvette Mocete, Mike Azarkman, Valeria Sloan Vasquez, Patricia Alves Panagides, William Biersdorf, Michael Aquilina, Vinamr L. Sachdeva, Ryan Phillips, FireWolfLasers, Kshitij Shah, Mohammad Said, Teach Me Diné - Navajo Language, Victoria Veretilo, Rebecca Reineke, Felipe Hoff, Brandon Thomas, Lewis Westbury, Bogdan Zubrickis, Johnny Gutierrez, Mirzat Turap, Jaime Arriola, Emilia Alvarado, Javid Gozalov, 真佑 劉, Ethan, Paul Beard, Deepak Iyer, and Markus Goldhacker. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/how-to-unboil-an-egg-eleanor-nelsenUploaded 23-04-15It’s so obvious that it’s practically proverbial: you can’t unboil an egg. But actually, it turns out that you can -- sort of. Eleanor Nelsen explains the process by which mechanical energy can undo what thermal energy has done.Lesson by Eleanor Nelsen, animation by Provincia Studio. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 17-04-18View full lesson: https://ed.ted.com/lessons/the-incredible-evolution-of-fish-bodies-lauren-sallanIn tropical seas, flying fish leap out of the water, gliding for up to 200 meters, before dipping back into the sea. In the Indo-Pacific, a hunting sailfish swims up to 110 kilometers per hour. These feats are made possible by a fish’s form -- which in most species is a smooth, long body, fins, and a tail. Lauren Sallan explains why these features are so common, and what it reveals about fish.Lesson by Lauren Sallan, animation by Aeon Production.Thank you so much to our patrons for your support! Without you this video would not be possible! Erika Blanquez, zjweele13, Judith Benavides, Ken, Caitlin de Falco, Scheherazade Kelii, Errys, Kack-Kyun Kim, Alexandrina Danifeld, Stina Boberg, Anthony Wiggins, Hoai Nam Tran, Joe Sims, David Petrovič, Chris Adriaensen, Lowell Fleming, Amir Ghandeharioon, Anuj Tomar, Sunny Patel, Vijayalakshmi, Devesh Kumar, Uday Kishore, Aidan Forero, Allan Hayes, Thomas Bahrman, Alexander Baltadzhiev, Vaibhav Mirjolkar, Tony, Michelle, Katie and Josh Pedretti, Erik Biemans, Gaurav Mathur, Sameer Halai, Hans Peng, Tekin Gültekin, PH Chua, Penelope Misquitta, Ravi S. Rāmphal, Emma Moyse, Fahad Nasser Chowdhury, Marin Kovachev, Mohamad Aiman Fitri Bin Annuar, Daniel Huerga, Maria Lerchbaumer, Kevin Le, Edgar Campos Barrachina, Dianne Palomar, The Brock, Curtis Light, Liana Switzer, Maija Chapman, Pamela Harrison, Dylan Drover, Mighterbump, and Beatriz Inácio. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/what-really-happens-to-the-plastic-you-throw-away-emma-bryceUploaded 21-04-15We’ve all been told that we should recycle plastic bottles and containers. But what actually happens to the plastic if we just throw it away? Emma Bryce traces the life cycles of three different plastic bottles, shedding light on the dangers these disposables present to our world. Lesson by Emma Bryce, animation by Sharon Colman. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Learn more about our student voice program, TED-Ed Clubs: http://bit.ly/2J5g4eSUploaded 19-04-18View full lesson: https://ed.ted.com/lessons/how-the-world-s-first-subway-system-was-built-christian-wolmarIt was the dawn of 1863, and London's not-yet-opened subway system — the first of its kind in the world — had the city in an uproar. Most people thought the project, which cost more than 100 million dollars in today's money, would never work. So how did they do it? Christian Wolmar explains how the London Underground was built at a time when no one had built a railway under a city before.Lesson by Christian Wolmar, animation by TED-Ed.Thank you so much to our patrons for your support! Without you this video would not be possible! Kyanta Yap, Shawar Khan, Elizabeth Cruz, Rohan Gupta, Sarah Lundegaard, Michael Braun-Boghos, Yujing Jiang, Aubrie Groesbeck, Kathryn J Hammond, sammie goh, Delene McCoy, Mayank Kaul, Ruth Fang, Scott Gass, Mary Sawyer, Jason A Saslow, Joanne Luce, Rishi Pasham, Bruno Pinho, and Javier Aldavaz. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/why-is-biodiversity-so-important-kim-preshoff Uploaded 20-04-15Our planet’s diverse, thriving ecosystems may seem like permanent fixtures, but they’re actually vulnerable to collapse. Jungles can become deserts, and reefs can become lifeless rocks. What makes one ecosystem strong and another weak in the face of change? Kim Preshoff details why the answer, to a large extent, is biodiversity. Lesson by Kim Preshoff, animation by TED-Ed. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 23-04-18View full lesson: https://ed.ted.com/lessons/why-can-t-you-divide-by-zeroIn the world of math, many strange results are possible when we change the rules. But there’s one rule that most of us have been warned not to break: don’t divide by zero. How can the simple combination of an everyday number and a basic operation cause such problems? Lesson by TED-Ed, animation by Nick Hilditch.Thank you so much to our patrons for your support! Without you this video would not be possible! Craig Sheldon, Andrew Bosco, Nik Maier, Adi V, Hiroshi Uchiyama, Chris , Vik Nagjee, Della Palacios, Alexander Walls, سلطان الخليفي, Ibel Wong, Kiarash Asar, Aliyya Rachmadi, Max Shuai Tang, Jamerson Chingapanini, Al the Scottish Wildcat, Janelle , Sabrina Gonzalez, Malcolm Callis, and Aaron Henson. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/how-to-spot-a-counterfeit-bill-tien-nguyenUploaded 16-04-15Authentic dollar bills are equipped with many security features to make them difficult to forge. But that doesn’t stop counterfeiters from trying to fool people with fakes. Luckily, anyone can help catch a counterfeit; all you need are a few simple tools and a bit of chemistry. Tien Nguyen details the chemistry behind counterfeit cash. Lesson by Tien Nguyen, animation by Lippy. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 24-04-18View full lesson: https://ed.ted.com/lessons/the-rise-and-fall-of-the-assyrian-empire-marian-h-feldmanBefore the sun never set on the British Empire; before Genghis Khan swept the steppe; before Rome extended its influence to encircle the Mediterranean Sea; there was ancient Assyria. Considered by historians to be the first true empire, Assyria’s innovations laid the groundwork for every superpower that has followed. Marian H Feldman details the rise and fall of the Assyrian Empire.Lesson by Marian H Feldman, animation by Naghmeh Farzaneh.Thank you so much to our patrons for your support! Without you this video would not be possible! Ricki Daniel Marbun, James Bruening, Ricardo Diaz, Danny Romard, Mariana Ortega, Leen Mshasha, Hector Quintanilla, Raheem , Roman Pinchuk, Soma Ali, Ai Ejima, Barbara Younker, Ojas Kapoor, Maurice Castonguay, Ryan Hooker, Benjamin Chan, Dominick Biolsi, Pi Guanghui, Terry Minion, and Rob Johnson. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/what-s-the-difference-between-accuracy-and-precision-matt-anticoleUploaded 14-04-15When we measure things, most people are only worried about how accurate, or how close to the actual value, they are. Looking at the process of measurement more carefully, you will see that there is another important consideration: precision. Matt Anticole explains what exactly precision is and how can help us to measure things better.Lesson by Matt Anticole, animation by Anton Bogaty. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 26-04-18View full lesson: https://ed.ted.com/lessons/how-do-we-study-living-brains-john-borghi-and-elizabeth-watersAs far as we know, there’s only one thing in our solar system sophisticated enough to study itself: the human brain. But this self-investigation is challenging because a living brain is shielded by skull, swaddled in tissue, and made up of billions of tiny cells. How do we study living brains without harming their owners? Elizabeth Waters and John Brorghi explain how EEGs, fMRIs, and PETs work.Lesson by Elizabeth Waters and John Borghi, animation by Joash Berkeley.Thank you so much to our patrons for your support! Without you this video would not be possible! Mayra Urbano, Kostadin Mandulov, Alex Schenkman, Sdiep Sriram, Ivan Todorović, Antero Semi, Yanuar Ashari, Mrinalini , Anthony Kudolo, Querida Owens, Hazel Lam, Manav parmar, Dwight Tevuk, Stephen A. Wilson, Siamak H, Dominik Kugelmann, Katie Winchester, David Rosario, Samuel Doerle, Be Owusu, Susan Herder, Savannah Scheelings, Prasanth Mathialagan, Yanira Santamaria, Chad Harper, Dawn Jordan, Chris Mathew, Constantin Salagor, Activated Classroom Teaching, Kevin Wong, Umar Farooq, Goh Xiang Ting Diana, Dmitry Neverov, Tushar Sharma, Cristóbal Medina Moenne, Silas Schwarz, MJ Tan Mingjie, Yansong Li, Henry Li, Kyle Nguyen, Taylor Hunter, Noa Shore, Lex Azevedo, Merit Gamertsfelder, Bev Millar, Jhuval , SookKwan Loong, Daniel Day, Rodrigo Carballo, Marc Veale, Boytsov Ilya, Bozhidar Karaargirov, and ilya bondarik. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/why-are-manhole-covers-round-marc-chamberlandUploaded 13-04-15Why are most manhole covers round? Sure it makes them easy to roll, and slide into place in any alignment. But there’s another, more compelling reason, involving a peculiar geometric property of circles and other shapes. Marc Chamberland explains curves of constant width and Barbier’s theorem. Lesson by Marc Chamberland, animation by Pew36 Animation Studios. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 30-04-18View full lesson: https://ed.ted.com/lessons/which-is-stronger-glue-or-tape-elizabeth-coxThe oldest glue in the world is over 8,000 years old and comes from a cave near the Dead Sea. Today, we have enough types of tape and glue to build and repair almost anything. But what gives glue and tape their stickiness? And is one stronger than the other? Elizabeth Cox explores the world of adhesives.Lesson by Elizabeth Cox, animation by Sinbad Richardson.Thank you so much to our patrons for your support! Without you this video would not be possible! maxi kobi einy, Runarm, Misaki Sato, Levi Cook, Catherine Sverko, Robert Sukosd, Mark Morris, Tamás Drávai, Peter Liu, Leora Allen, Michal Salman, Julie Cummings-Debrot, Gilly, Ka-Hei Law, Aleksandar Srbinovski, Renhe Ji, Andrés Melo Gámez, Tim Leistikow, Moonlight , Megan Douglas, Barbara Smalley, Filip Dabrowski, Joe Giamartino, Clair Chen, Karen Goepen-Wee, Bryan Blankenburg, Bah Becerra, Stephanie Perozo, Marc Bilodeau, Ruby Solorzano, Ivan Tsenov, Claudia Mayfield, Justus Berberich, Pavel Zalevskiy, Yankai Liu, Duo Xu, Ghassan Alhazzaa, Miloš Stevanović, Narat Suchartsunthorn, Joy Love Om, Gi Nam Lee, Shawn Quichocho, Simone Kidner, Barun Padhy, Brandy Jones, Devin Harris, Tony Trapuzzano, Stephen Michael Alvarez, Juliana, Jason Weinstein, Kris Siverhus, Annamaria Szilagyi, and Morgan Williams. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/the-science-of-static-electricity-anuradha-bhagwatUploaded 09-04-15We’ve all had the experience: you’re walking across a soft carpet, you reach for the doorknob and … ZAP. But what causes this trademark jolt of static electricity? Anuradha Bhagwat sheds light on the phenomenon by examining the nature of matter. Lesson by Anuradha Bhagwat, animation by Artrake Studio. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 01-05-18View full lesson: https://ed.ted.com/lessons/how-to-build-a-dark-matter-detector-jenna-saffinMore than 2 kilometers below the surface of northern Ontario, suspended in 345,000 liters of ultra-pure water, there’s a perfect sphere. Scientists continuously monitor this chamber, looking for a glimmer of light in the darkness. Why? Because that light would indicate the presence of one of the universe’s greatest mysteries: dark matter. Jenna Saffin describes how this dark matter detector works.Lesson by Jenna Saffin, animation by TED-Ed.Thank you so much to our patrons for your support! Without you this video would not be possible! Jordan Tang, Christopher Jimenez, Juan, Tracey Tobkin, Sid, emily lam, Elliot Poulin, Noel Situ, Oyuntsengel Tseyen-Oidov, Latora Slydell, Sydney Evans, Victor E Karhel, Bernardo Paulo, Eysteinn Guðnason, Andrea Feliz, Natalia Rico, Josh Engel, Bárbara Nazaré, Gustavo Mendoza, Zhexi Shan, Hugo Legorreta, PnDAA, Marcel Trompeter-Petrovic, Sandra Tersluisen, Ellen Spertus, Fabian Amels, Mattia Veltri, Quentin Le Menez, Yuh Saito, Joris Debonnet, Martin Lõhmus, Ded Rabit, Heather Slater, Dr Luca Carpinelli, Janie Jackson, Christophe Dessalles, Arturo De Leon, Eduardo Briceño, Bill Feaver, Ricardo Paredes, Jonathan Reshef, David Douglass, Grant Albert, Paul Coupe, Jen, Megan Whiteleather, Adil Abdulla, Steven LaVoy, Ryohky Araya, vivian james, Tan YH, and Brittiny Elman. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/how-brass-instruments-work-al-cannonUploaded 07-04-15What gives the trumpet its clarion ring and the tuba its gut shaking oompah-pah? And what makes the trombone so jazzy? Al Cannon shows how these answers lie not in the brass the instruments are made of, but in the journey that air takes from the musician’s lungs to the instrument’s bell. Lesson by Al Cannon, animation by TED-Ed. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 03-05-18View full lesson: https://ed.ted.com/lessons/what-s-the-difference-between-hibernation-and-sleep-sheena-fahertyThe Arctic Ground Squirrel hibernates by burrowing under the permafrost and slipping into a state of suspended animation. The female black bear can give birth while she hibernates. The fat-tailed dwarf lemur prepares to hibernate by storing its fat reserves in its tail - doubling its body weight. Why do these animals go to such extremes? Sheena Lee Faherty details why animals hibernate.Lesson by Sheena Lee Faherty, animation by Rémi Cans.Thank you so much to our patrons for your support! Without you this video would not be possible! Mayra Urbano, Kostadin Mandulov, Alex Schenkman, Sdiep Sriram, Ivan Todorović, Antero Semi, Yanuar Ashari, Mrinalini, Anthony Kudolo, Querida Owens, Hazel Lam, Manav parmar, Dwight Tevuk, Stephen A. Wilson, Siamak H, Dominik Kugelmann, Katie Winchester, David Rosario, Samuel Doerle, Be Owusu, Susan Herder, Savannah Scheelings, Prasanth Mathialagan, Yanira Santamaria, Chad Harper, Dawn Jordan, Chris Mathew, Constantin Salagor, Activated Classroom Teaching, Kevin Wong, Umar Farooq, Goh Xiang Ting Diana, Dmitry Neverov, Tushar Sharma, Cristóbal Medina Moenne, Silas Schwarz, MJ Tan Mingjie, Yansong Li, Henry Li, Kyle Nguyen, Taylor Hunter, Noa Shore, Lex Azevedo, Merit Gamertsfelder, Bev Millar, Jhuval , SookKwan Loong, Daniel Day, Rodrigo Carballo, Marc Veale, Boytsov Ilya, Bozhidar Karaargirov, and ilya bondarik. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Explore the similarities and differences between how your eyes see and how a video camera “sees.”Uploaded 06-04-15--Your eyes don’t always capture the world exactly as a video camera would. But the eyes are remarkably efficient organs, the result of hundreds of millions of years of coevolution with our brains. Michael Mauser outlines the similarities and differences between your eye and a video camera.Lesson by Michael Mauser, animation by Nick Hilditch.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: http://ed.ted.com/lessons/eye-vs-camera-michael-mauserDig deeper with additional resources: https://ed.ted.com/lessons/eye-vs-camera-michael-mauser/digdeeper---------------------------------------------- Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 07-05-18View full lesson: https://ed.ted.com/lessons/what-causes-constipation-heba-shaheedVisiting the bathroom is part of the daily human experience. But occasionally, constipation, a condition that causes a backup in your digestive system, strikes. In some especially uncomfortable cases, the food you eat can take several days to exit your body. What's behind this unsettling phenomenon? Heba Shaheed takes us into the digestive system to find out.Lesson by Heba Shaheed, animation by Augenblick Studios.Thank you so much to our patrons for your support! Without you this video would not be possible! Jordan Tang, Christopher Jimenez, Juan, Tracey Tobkin, Sid, emily lam, Kathryn J Hammond, Elliot Poulin, Noel Situ, Oyuntsengel Tseyen-Oidov, Latora Slydell, Sydney Evans, Victor E Karhel, Bernardo Paulo, Eysteinn Guðnason, Andrea Feliz, Natalia Rico, Josh Engel, Bárbara Nazaré, Gustavo Mendoza, Zhexi Shan, Hugo Legorreta, PnDAA, Sandra Tersluisen, Ellen Spertus, Fabian Amels, sammie goh, Mattia Veltri, Quentin Le Menez, Yuh Saito, Joris Debonnet, Heather Slater, Dr Luca Carpinelli, Janie Jackson, Christophe Dessalles, Arturo De Leon, Eduardo Briceño, Bill Feaver, Ricardo Paredes, Jonathan Reshef, David Douglass, Grant Albert, Paul Coupe, Jen, Megan Whiteleather, Adil Abdulla, Mayank Kaul, Ryohky Araya, and vivian james. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Practice more problem-solving at https://brilliant.org/TedEd/Solution to the bonus riddle mentioned at the end: https://brilliant.org/tededprobabilitypairs/Uploaded 08-05-18Mining unobtainium is hard work – the rare mineral appears in only 1% of rocks in the mine. But your friend Tricky Joe has something up his sleeve. The unobtainium detector he’s been perfecting for months is finally ready, and it returns accurate readings 90% of the time. But can it really be trusted? Alex Gendler explains the false positive paradox.Lesson by Alex Gendler, animation by Artrake Studio.Thank you so much to our patrons for supporting us on Patreon! Without you this video would not be possible! Tan YH, Brittiny Elman, Mayra Urbano, Ruth Fang, Kostadin Mandulov, Alex Schenkman, Sdiep Sriram, Ivan Todorović, Antero Semi, Yanuar Ashari, Mrinalini, Anthony Kudolo, Scott Gass, Querida Owens, Hazel Lam, Manav parmar, Dwight Tevuk, Stephen A. Wilson, Siamak H, Dominik Kugelmann, Katie Winchester, Mary Sawyer, David Rosario, Samuel Doerle, Be Owusu, Susan Herder, Savannah Scheelings, Prasanth Mathialagan, Yanira Santamaria, Chad Harper, Dawn Jordan, Constantin Salagor, Activated Classroom Teaching, Kevin Wong, Umar Farooq, Goh Xiang Ting Diana, Dmitry Neverov, Tushar Sharma, Cristóbal Medina Moenne, MJ Tan Mingjie, Yansong Li, Jason A Saslow, Joanne Luce, Henry Li, Kyle Nguyen, Taylor Hunter, Noa Shore, Lex Azevedo, Merit Gamertsfelder, and Bev Millar. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/what-causes-bad-breath-mel-rosenbergUploaded 31-03-15Halitosis is a curse that has plagued humanity since ancient times. But what causes it, and why is it so universally terrifying? Mel Rosenberg outlines the basics of bad breath — and what you can do when it strikes you.Lesson by Mel Rosenberg, animation by Andrew Foerster. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Learn more about TED-Ed Clubs here: https://ed.ted.com/clubsUploaded 10-05-18Check out the TED-Ed Clubs YouTube channel: https://www.youtube.com/channel/UCskU_g7t6b5ecsA1CTS3y9QView full lesson: https://ed.ted.com/lessons/when-will-the-next-ice-age-happen-lorraine-lisieckiThroughout Earth’s history, climate has varied greatly. For hundreds of millions of years, the planet had no polar ice caps. Without this ice, the sea level was 70 meters higher. At the other extreme, about 700 million years ago, Earth became almost entirely covered in ice, during an event known as “Snowball Earth.” What causes these swings in the planet’s climate? Lorraine Lisiecki investigates.Lesson by Lorraine Lisiecki, animation by CUB Animation.Thank you so much to our patrons for your support! Without you this video would not be possible! Rishi Pasham, Jhuval , SookKwan Loong, Daniel Day, Nick Johnson, Bruno Pinho, Javier Aldavaz, Rodrigo Carballo, Marc Veale, Boytsov Ilya, Bozhidar Karaargirov, maxi kobi einy, Misaki Sato, Craig Sheldon, Andrew Bosco, Catherine Sverko, Nik Maier, Mark Morris, Tamás Drávai, Adi V, Peter Liu, Leora Allen, Hiroshi Uchiyama, Michal Salman, Julie Cummings-Debrot, Gilly , Ka-Hei Law, Maya Toll, Aleksandar Srbinovski, Ricardo Rendon Cepeda, Renhe Ji, Andrés Melo Gámez, Tim Leistikow, Moonlight , Shawar Khan, Chris , Megan Douglas, Barbara Smalley, Filip Dabrowski, Joe Giamartino, Clair Chen, Vik Nagjee, Karen Goepen-Wee, Della Palacios, Bryan Blankenburg, Bah Becerra, Stephanie Perozo, Marc Bilodeau, Ruby Solorzano, and Ivan Tsenov. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/how-do-geckos-defy-gravity-eleanor-nelsenUploaded 30-03-15Geckos aren’t covered in adhesives or hooks or suction cups, and yet they can effortlessly scale vertical walls and hang from ceilings. What’s going on? Eleanor Nelsen explains how geckos’ phenomenal feet allow them to defy gravity.Lesson by Eleanor Nelsen, animation by Marie-Louise Højer Jensen. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 14-05-18View full lesson: https://ed.ted.com/lessons/how-squids-outsmart-their-predators-carly-anne-yorkThere are about 500 species of squid, and they live in all the world’s oceans, making them a reliable food source for whales, dolphins, sharks, seabirds, fish - and even other squid. As a result, the squid's most extraordinary adaptations are those that have evolved to help them thwart these predators. Carly Anne York explains how these stealthy cephalopods have mastered deep sea survival.Lesson by Carly Anne York, animation by Jérémie Balais and Reza Riahi.Thank you so much to our patrons for your support! Without you this video would not be possible! Claudia Mayfield, Justus Berberich, Pavel Zalevskiy, Yankai Liu, Duo Xu, Ghassan Alhazzaa, Miloš Stevanović, Joy Love Om, Gi Nam Lee, Shawn Quichocho, Simone Kidner, Anika Westburg, Barun Padhy, Brandy Jones, Devin Harris, Tony Trapuzzano, Stephen Michael Alvarez, Tom Lee, Juliana , Jason Weinstein, Kris Siverhus, Alexander Walls, Annamaria Szilagyi, Morgan Williams, Abhijit Kiran Valluri, Mandeep Singh, Sama aafghani, سلطان الخليفي, Marylise CHAUFFETON, Marvin Vizuett, Jayant Sahewal, Quinn Shen, Caleb ross, Elizabeth Cruz, Elnathan Joshua Bangayan, Gaurav Rana, Mullaiarasu Sundaramurthy, Jose Henrique Leopoldo e Silva, Dan Paterniti, Jerome Froelich, Tyler Yoshizumi, Martin Stephen, Justin Carpani, Faiza Imtiaz, Khalifa Alhulail, Tejas Dc, Benjamin and Shannon Pinder, Srikote Naewchampa, Ex Foedus, and Sage Curie. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/earworms-those-songs-that-get-stuck-in-your-head-elizabeth-hellmuth-margulisUploaded 26-03-15--Have you ever been waiting in line at the grocery store, innocently perusing the magazine rack, when a song pops into your head? Not the whole song, but a fragment of it that plays and replays until you find yourself unloading the vegetables in time to the beat? Elizabeth Hellmuth Margulis explores earworms — a cognitive phenomenon that plagues over 90% of people at least once a week.Lesson by Elizabeth Margulis, animation by Artrake Studio. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 15-05-18View full lesson: https://ed.ted.com/lessons/why-do-we-sweat-john-murnanThere are a number of scenarios that can make us sweat–including exercise, eating spicy foods, and nervousness. But how does this substance suddenly materialize, and what exactly is its purpose? John Murnan explores the science behind sweat.Lesson by John Murnan, directed by Dogzilla Studio. Thank you so much to our patrons for your support! Without you this video would not be possible. Exal Enrique Cisneros Tuch, Ana Maria, Vignan Velivela, Ibel Wong, Ahmad Hyari, A Hundred Years, eden sher, Travis Wehrman, Minh Tran, Louisa Lee, Kiara Taylor, Hoang Viet, Nathan A. Wright, Jast3r, Аркадий Скайуокер, Milad Mostafavi, Rob Johnson, Ashley Maldonado, Clarence E. Harper Jr., Bojana Golubovic, Mihail Radu Pantilimon, Benedict Chuah, Karthik Cherala, haventfiguredout, Violeta Cervantes, Elaine Fitzpatrick, Lyn-z Schulte, cnorahs, Henrique 'Sorín' Cassús, Tim Robinson, Kiarash Asar, Jun Cai, Paul Schneider, Amber Wood, Ophelia Gibson Best, Cas Jamieson, Michelle Stevens-Stanford, Phyllis Dubrow, Andreas Voltios, Eunsun Kim, Philippe Spoden, Samantha Chow, Armando Ello, Ayala Ron, Manognya Chakrapani, Simon Holst Ravn, Doreen Reynolds-Consolati, Rakshit Kothari, Melissa Sorrells, and Antony Lee. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/what-did-democracy-really-mean-in-athens-melissa-schwartzberg ↵↵While we might consider elections to be the cornerstone of democracy, the Athenians who coined the term actually employed a lottery system to choose most of their politicians. Melissa Schwartzberg describes the ins and outs of the Athenian democracy, and addresses some ways in which a lottery system might benefit us today. ↵↵Lesson by Melissa Schwartzberg, animation by TED-Ed.Uploaded 24-03-15Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out Alan Stern's "Chasing New Horizons": https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/chasing-new-horizonsUploaded 17-05-18View full lesson: https://ed.ted.com/lessons/the-journey-to-pluto-the-farthest-world-ever-explored-alan-sternAs of 1989, mankind had successfully sent craft to every known planet in the solar system except one: Pluto. Located in an mysterious region called the Kuiper Belt, Pluto is a scientific goldmine, and could hold clues to the formation of our solar system. Alan Stern explains how NASA's New Horizons mission is going to allow us to see Pluto for the first time.Lesson by Alan Stern, animation by Eoin Duffy.Thank you so much to our patrons for your support! Without you this video would not be possible! Husain Mohammad, Max Shuai Tang, Côme Vincent, Astia Rizki Safitri, Alan Froese, alessandra tasso, Gerald Onyango, Katrina Harding, Ezgi Yersu, Al the Scottish Wildcat, Katie Dean, Kin Lon Ma, Carsten Tobehn, Boris Langvand, Jeremy Fryd, Charlene You, Carolyn Corwin, rakesh Katragadda, Sergi Páez, Janelle, Jørgen Østerpart, Karla Brilman, Cindy O., Nicu Boanda, Reagen O'Connor, Anh Dau, Sabrina Gonzalez, Dino, FAWWAZ GHUWAIDI, Hadi Salahshour, Clement , Micholer Miller, Sarah Burns, Nick Debenedictis, Abdullah Altuwaijri, Jessie McGuire, Divina Grace Dar Santos, Andrew Sleugh, Brian Richards, Farah Abdelwahab, Joe Meyers, Mikhail Shkirev, Raphaël LAURENT, Malcolm Callis, Sweetmilkcoco, David Matthew Ezroj, Ever Granada, fatima kried, Begum Tutuncu, and Lala Arguelles. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/where-did-earth-s-water-come-from-zachary-metzUploaded 23-03-15Water covers over 70% of the Earth, cycling from the oceans and rivers to the clouds and back again. It even makes up about 60% of our bodies. But in the rest of the solar system, liquid water is almost impossible to find. So how did our planet end up with so much of this substance? And where did it come from? Zachary Metz outlines the ancient origins of water on Earth.Lesson by Zachary Metz, animation by The Moving Company Animation Studio. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Download a free audiobook version of "The Boys on the Boat" and support TED-Ed's nonprofit mission: https://adbl.co/2Lf9Pa2Uploaded 21-05-18Check out our full book recommendation: http://bit.ly/2IDVLsYView full lesson: https://ed.ted.com/lessons/how-to-avoid-choking-under-pressure-noa-kageyama-and-pen-pen-chenYour favorite athlete closes in for a win; the crowd holds its breath, and at the crucial moment ... she misses the shot. That competitor just experienced the phenomenon known as “choking,” where despite months, even years, of practice, a person fails right when it matters most. Why does this happen, and what can we do to avoid it? Noa Kageyama and Pen-Pen Chen explain why we choke under pressure.Lesson by Noa Kageyama and Pen-Pen Chen, animation by Olesya Shchukina.Thank you so much to our patrons for your support! Without you this video would not be possible! Mehmet Sencer KARADAYI, Christian Kurch, SungGyeong Bae, Luis Felipe Ruiz Langenscheidt, Joe Huang, Rohan Gupta, Senjo Limbu, Martin Lau, Robson Martinho, Jason Garcia, Cailin Ramsey, Aaron Henson, John Saveland, Nicolle Fieldsend-Roxborough, Venkat Venkatakrishnan, Sandy Nasser, CG Nobles, QIUJING L BU, Yoga Trapeze Wanderlust, Jaron Blackburn, Alejandro Cachoua, Thomas Mungavan, Elena Crescia, Edla Paniguel, Sarah Lundegaard, Anna-Pitschna Kunz, Tim Armstrong, Erika Blanquez, Ricki Daniel Marbun, zjweele13, Judith Benavides, Ross Henriques, Ken, Caitlin de Falco, Scheherazade Kelii, Errys, James Bruening, Michael Braun-Boghos, Ricardo Diaz, Kack-Kyun Kim, Artem Minyaylov, Alexandrina Danifeld, Danny Romard, Yujing Jiang, Stina Boberg, Mariana Ortega, Anthony Wiggins, Hoai Nam Tran, Joe Sims, and David Petrovič. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/can-robots-be-creative-gil-weinbergUploaded 19-03-15People have been grappling with the question of artificial creativity -- alongside the question of artificial intelligence -- for over 170 years. For instance, could we program machines to create high quality original music? And if we do, is it the machine or the programmer that exhibits creativity? Gil Weinberg investigates this creative conundrum.Lesson by Gil Weinberg, animation by TOGETHER. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Practice more problem-solving at https://brilliant.org/TedEd/Sign up to be emailed the solution to the bonus riddle: https://brilliant.org/tededpoisonapples/Uploaded 22-05-18You’ve been chosen as a champion to represent your wizarding house in a deadly duel against two rival magic schools. Your opponents are a powerful sorcerer who wields a wand that can turn people into fish, and a powerful enchantress who wields a wand that turns people into statues. Can you choose a wand and devise a strategy that ensures you will win the duel? Dan Finkel shows how.Lesson by Dan Finkel, animation by Artrake Studio.Thank you so much to our patrons for supporting us on Patreon! Without you this video would not be possible! Chris Adriaensen, Lowell Fleming, Amir Ghandeharioon, Anuj Tomar, Sunny Patel, Vijayalakshmi , Devesh Kumar, Uday Kishore, Aidan Forero, Leen Mshasha, Allan Hayes, Thomas Bahrman, Alexander Baltadzhiev, Vaibhav Mirjolkar, Tony, Michelle, Katie and Josh Pedretti, Erik Biemans, Gaurav Mathur, Sameer Halai, Hans Peng, Tekin Gültekin, Hector Quintanilla, PH Chua, Raheem , Penelope Misquitta, Ravi S. Rāmphal, Emma Moyse, Fahad Nasser Chowdhury, Marin Kovachev, Roman Pinchuk, Mohamad Aiman Fitri Bin Annuar, Daniel Huerga, Maria Lerchbaumer, Kevin Le, Edgar Campos Barrachina, Dianne Palomar, The Brock, Curtis Light, Ernest Chow, Liana Switzer, Maija Chapman, Pamela Harrison, Dylan Drover, Mighterbump , Beatriz Inácio, Robert Hargis, Soma Ali, Mark wisdom, Mircea Sîrbu, Ai Ejima, and Molly Gardner. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/plato-s-allegory-of-the-cave-alex-gendlerUploaded 17-03-15Twenty four hundred years ago, Plato, one of history’s most famous thinkers, said life is like being chained up in a cave forced to watch shadows flitting across a stone wall. Beyond sounding quite morbid, what exactly did he mean? Alex Gendler unravels Plato's Allegory of the Cave, found in Book VII of "The Republic." Lesson by Alex Gendler, animation by Stretch Films, Inc. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 24-05-18View full lesson: https://ed.ted.com/lessons/what-is-dust-made-of-michael-marderLess than a tenth the size of an ant, a dust mite’s whole world is contained in the dusty film under a bed or in a forgotten corner. This realm is right under our noses, but from our perspective, the tiny specks of brilliant color blend together into a nondescript grey. What are these colorful microscopic particles? Michael Marder explores the science of dust.Lesson by Michael Marder, animation by Mette Ilene Holmriis.Thank you so much to our patrons for your support! Without you this video would not be possible! Irindany Sandoval, William Bravante, Elizabeth Parker, Sai Krishna Koyoda, Therapist Gus, Samuel Barbas, Betsy Feathers, Maxwell Ingram, Ajinkya Deshmukh, Victoria Soler-Roig, Abdulmateen Aderinto, Pavel Maksimov, Barbara Younker, Cyrus Garay, Yvette Mocete, Mike Azarkman, Valeria Sloan Vasquez, Patricia Alves Panagides, William Biersdorf, Michael Aquilina, Vinamr L. Sachdeva, FireWolfLasers, Kshitij Shah, Mohammad Said, Teach Me Diné - Navajo Language, Victoria Veretilo, Rebecca Reineke, Felipe Hoff, Kyanta Yap, Brandon Thomas, Lewis Westbury, Ojas Kapoor, Johnny Gutierrez, Mirzat Turap, Jaime Arriola, Emilia Alvarado, Javid Gozalov, 真佑 劉, Ethan, Philipp Hiestand, Paul Beard, Deepak Iyer, Markus Goldhacker, Mihai Sandu, Keven Webb, Hendrik Mueller, Maurice Castonguay, Kristiyan Bonev, Maryam Dadkhah, and Joshua Wasniewski. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: https://ed.ted.com/lessons/why-it-s-so-hard-to-cure-hiv-aids-janet-iwasaUploaded 16-03-15In 2008, something incredible happened: a man was cured of HIV. In over 70 million HIV cases, this was a first, and, so far, a last, and we don’t yet understand exactly how he was cured. But if we can cure people of various diseases, like malaria and hepatitis C, why can’t we cure HIV? Janet Iwasa examines the specific traits of the HIV virus that make it so difficult to cure.Lesson by Janet Iwasa, animation by Javier Saldeña. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Get to know the extraordinary, bald and buck-toothed naked mole rats and how their traits make them suited to survive harsh conditions.Uploaded 29-05-18--What mammal has the social life of an insect, the cold-bloodedness of a reptile, and the metabolism of a plant? Bald and buck-toothed, naked mole-rats may not be pretty, but they are extraordinary. Thomas Park explains how mole rats' peculiar traits have evolved over millions of years to make them uniquely suited to survive harsh conditions - especially long periods without oxygen. Lesson by Thomas Park, animation by Chintis Lundgren.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/are-naked-mole-rats-the-strangest-mammals-thomas-parkVisit TED-Ed's shop to pick up t-shirts, totes, mugs and more featuring characters from your favorite TED-Ed Animations: http://bit.ly/2IWAKWEThank you so much to our patrons for your support! Without you this video would not be possible! Michał Friedrich, Arlene Spiegelman, Doug Henry, Alick Au, denison martins fernandes, Hashem Al, Daniel Nester, Richard A Berkley, Benjamin Chan, Dee Wei, Abdallah Absi, Dominick Biolsi, Denise A Pitts, Pi Guanghui, Doris, Kurt Almendras, Raymond Lee, Nicolas Silva, Tsz Hin Edmund Chan, Melvin Williams, Eric Monarrez, Tirath Singh Pandher, Athena Grace Franco, Terry Minion, Ian McPherson, Mauricio Basso, Kelvin Lam, Jamesbo87, Tara Frost, Karlee Finch, Chumi Ogbonna, Barthélémy Michalon, Lefty McGoo, Lucas Pincerato, Prefer Anonymous, Mohamed Elsayed, Ankur Deshwal, Pawan Kumar, Amin Shahril, Mihail Radu Pantilimon, Chris Thompson, Derek Drescher, Karisa Caudill, Diana Habashneh, Zhong Ming Zenny Tan, Christina Salvatore, Brady Jones, Todd Gross, Alexis Hevia, Heidi Stolt, Daisy Trujillo, Robert Seik, Coenraad Keuning, Charles A Hershberger, Alan Wilder, and Laura Cameron Keith. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/the-real-story-behind-archimedes-eureka-armand-d-angourUploaded 13-03-15When you think of Archimedes’ Eureka moment, you probably imagine a man in a bathtub, right? As it turns out, there's much more to the story. Armand D'Angour tells the story of Archimedes' biggest assignment -- an enormous floating palace commissioned by a king -- that helped him find Eureka.Lesson by Armand D'Angour, animation by Zedem Media. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 31-05-18View full lesson: https://ed.ted.com/lessons/why-is-it-so-hard-to-cure-als-fernando-vieiraAmyotrophic Lateral Sclerosis (ALS), also called motor neuron disease and Lou Gehrig’s Disease, affects about two out of every 100,000 people worldwide. When a person has ALS, their motor neurons - the cells responsible for all voluntary muscle control in the body - lose function and die. Fernando G. Vieira shares what we know (and don't know) about ALS.Lesson by Fernando G. Vieira, animation by Artrake Studio.Thank you so much to our patrons for your support! Without you this video would not be possible! Jordan Tang, Christopher Jimenez, Juan, Tracey Tobkin, Sid, emily lam, Kathryn J Hammond, Elliot Poulin, Noel Situ, Oyuntsengel Tseyen-Oidov, Latora Slydell, Sydney Evans, Victor E Karhel, Bernardo Paulo, Eysteinn Guðnason, Andrea Feliz, Natalia Rico, Josh Engel, Bárbara Nazaré, Gustavo Mendoza, Zhexi Shan, Hugo Legorreta, PnDAA, Sandra Tersluisen, Ellen Spertus, Fabian Amels, sammie goh, Mattia Veltri, Quentin Le Menez, Yuh Saito, Joris Debonnet, Heather Slater, Dr Luca Carpinelli, Janie Jackson, Christophe Dessalles, Arturo De Leon, Eduardo Briceño, Bill Feaver, Ricardo Paredes, Jonathan Reshef, David Douglass, Grant Albert, Paul Coupe, Jen , Megan Whiteleather, Adil Abdulla, Mayank Kaul, Ryohky Araya, and vivian james. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Find out how smallpox became the first (and only) disease to be permanently eradicated through the use of vaccination and isolation to prevent transmission.Uploaded 10-03-15--For most of human history, we have sought to treat and cure diseases. But only in recent decades did it become possible to ensure that a particular disease never threatens humanity again. Julie Garon and Walter A. Orenstein detail how the story of smallpox – the first and only disease to be permanently eliminated – shows how disease eradication can happen, and why it is so difficult to achieve. Lesson by Julie Garon and Walter A. Orenstein, animation by TOGETHER.Sign up for our newsletter: http://bit.ly/TEDEdNewsletterSupport us on Patreon: http://bit.ly/TEDEdPatreonFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram: http://bit.ly/TEDEdInstagramView full lesson: http://ed.ted.com/lessons/learning-from-smallpox-how-to-eradicate-a-disease-julie-garon-and-walter-a-orenstein Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

If you enjoy our riddles, we highly recommend reading "The Number Devil": https://amzn.to/2kO7S8PUploaded 04-06-18Check out our book rec page to learn more: http://bit.ly/2JqwgLEView full lesson: https://ed.ted.com/lessons/can-you-solve-the-penniless-pilgrim-riddle-daniel-finkelAfter months of travel, you’ve arrived at Duonia, home to the famous temple that’s the destination of your pilgrimage. The walk from the welcome center to the temple isn't a long one ... but there’s a problem. Can you outsmart the city's imposed tax and make it to the temple without paying a fee? Daniel Finkel shows how.Lesson by Daniel Finkel, animation by Artrake Studio.Thank you so much to our patrons for your support! Without you this video would not be possible! Tan YH, Brittiny Elman, Mayra Urbano, Ruth Fang, Kostadin Mandulov, Alex Schenkman, Sdiep Sriram, Ivan Todorović, Antero Semi, Yanuar Ashari, Mrinalini, Anthony Kudolo, Scott Gass, Querida Owens, Hazel Lam, Manav parmar, Dwight Tevuk, Stephen A. Wilson, Siamak H, Dominik Kugelmann, Katie Winchester, Mary Sawyer, David Rosario, Samuel Doerle, Be Owusu, Susan Herder, Savannah Scheelings, Prasanth Mathialagan, Yanira Santamaria, Chad Harper, Dawn Jordan, Constantin Salagor, Activated Classroom Teaching, Kevin Wong, Umar Farooq, Goh Xiang Ting Diana, Dmitry Neverov, Tushar Sharma, Cristóbal Medina Moenne, MJ Tan Mingjie, Yansong Li, Jason A Saslow, Joanne Luce, Henry Li, Kyle Nguyen, Taylor Hunter, Noa Shore, Lex Azevedo, Merit Gamertsfelder, and Bev Millar. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Is living on the moon possible? How would we survive? Explore the challenges and benefits of building a lunar colony. Uploaded 05-06-18--The European Space Agency is hoping to establish an inhabited research base on the moon by the 2020s. But living in this "moon camp" won’t be easy. How will humans deal with the cosmic radiation? What will the inhabitants eat? And what's the point, anyway? Alex Gendler details the challenges and benefits of building a lunar colony.Lesson by Alex Gendler, animation by Allen Laseter.This video was made in partnership with the Airbus Foundation. Find out more about their work here: http://bit.ly/2M262NFSign 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/what-would-it-be-like-to-live-on-the-moon-alex-gendlerThank you so much to our patrons for your support! Without you this video would not be possible! Rishi Pasham, Jhuval , SookKwan Loong, Daniel Day, Nick Johnson, Bruno Pinho, Javier Aldavaz, Rodrigo Carballo, Marc Veale, Boytsov Ilya, Bozhidar Karaargirov, maxi kobi einy, Misaki Sato, Craig Sheldon, Andrew Bosco, Catherine Sverko, Nik Maier, Mark Morris, Tamás Drávai, Adi V, Peter Liu, Leora Allen, Hiroshi Uchiyama, Michal Salman, Julie Cummings-Debrot, Gilly , Ka-Hei Law, Maya Toll, Aleksandar Srbinovski, Ricardo Rendon Cepeda, Renhe Ji, Andrés Melo Gámez, Tim Leistikow, Moonlight , Shawar Khan, Chris, Megan Douglas, Barbara Smalley, Filip Dabrowski, Joe Giamartino, Clair Chen, Vik Nagjee, Karen Goepen-Wee, Della Palacios, Bryan Blankenburg, Bah Becerra, Stephanie Perozo, Marc Bilodeau, Ruby Solorzano, and Ivan Tsenov. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/why-sitting-is-bad-for-you-murat-dalkilincUploaded 05-03-15Sitting down for brief periods can help us recover from stress or recuperate from exercise. But nowadays, our lifestyles make us sit much more than we move around. Are our bodies built for such a sedentary existence? Murat Dalkilinç investigates the hidden risks of sitting down. Lesson by Murat Dalkilinç, animation by Oxbow Creative. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

TED wants to promote student ideas! Learn more here: http://bit.ly/2M7hd87Uploaded 07-06-18View full lesson: https://ed.ted.com/lessons/how-one-scientist-averted-a-national-health-crisis-andrea-toneIn 1960, Frances Kelsey was one of the Food and Drug Administration’s newest recruits. Before the year was out, she would begin a fight that would save thousands of lives — though no one knew it at the time. Andrea Tone explains how Kelsey was able to prevent a massive national public health tragedy by privileging facts over opinions, and patience over short-cuts.Lesson by Andrea Tone, animation by TED-Ed.Thank you so much to our patrons for your support! Without you this video would not be possible! Claudia Mayfield, Justus Berberich, Pavel Zalevskiy, Yankai Liu, Duo Xu, Ghassan Alhazzaa, Miloš Stevanović, Joy Love Om, Gi Nam Lee, Shawn Quichocho, Simone Kidner, Anika Westburg, Barun Padhy, Brandy Jones, Devin Harris, Tony Trapuzzano, Stephen Michael Alvarez, Tom Lee, Juliana, Jason Weinstein, Kris Siverhus, Alexander Walls, Annamaria Szilagyi, Morgan Williams, Abhijit Kiran Valluri, Mandeep Singh, Sama aafghani, سلطان الخليفي, Marylise CHAUFFETON, Marvin Vizuett, Jayant Sahewal, Quinn Shen, Caleb ross, Elizabeth Cruz, Elnathan Joshua Bangayan, Gaurav Rana, Mullaiarasu Sundaramurthy, Jose Henrique Leopoldo e Silva, Dan Paterniti, Jerome Froelich, Tyler Yoshizumi, Martin Stephen, Justin Carpani, Faiza Imtiaz, Khalifa Alhulail, Tejas Dc, Benjamin and Shannon Pinder, Srikote Naewchampa, Ex Foedus, and Sage Curie. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/rhythm-in-a-box-the-story-of-the-cajon-drum-paul-jenningsUploaded 03-03-15Many modern musical instruments are complicated pieces of machinery with many moving parts. But the cajon is simply a drum and a stand and a seat all in one box. Paul Jennings explains the history behind the cajon and how it has become one of the most versatile and popular percussion instruments in the world today.Lesson by Paul Jennings, animation by Avi Ofer. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Practice more problem-solving at https://brilliant.org/TedEd/Sign up to be emailed the solution to the bonus riddle: https://brilliant.org/tededm2s3/Uploaded 11-06-18The villainous Dr. Schrödinger has developed a growth ray and intends to create an army of giant cats to terrorize the city. Your team of secret agents has tracked him to his underground lab. You burst in to find… that it’s a trap! Can you escape from Dr. Schrödinger’s lair and save the day? Dan Finkel shows how. Lesson by Dan Finkel, animation by Artrake Studio.Thank you so much to our patrons for supporting us on Patreon! Without you this video would not be possible! Exal Enrique Cisneros Tuch, Ana Maria, Vignan Velivela, Ibel Wong, Ahmad Hyari, A Hundred Years, eden sher, Travis Wehrman, Minh Tran, Louisa Lee, Kiara Taylor, Hoang Viet, Nathan A. Wright, Jast3r, Аркадий Скайуокер, Milad Mostafavi, Rob Johnson, Ashley Maldonado, Clarence E. Harper Jr., Bojana Golubovic, Mihail Radu Pantilimon, Benedict Chuah, Karthik Cherala, haventfiguredout, Violeta Cervantes, Elaine Fitzpatrick, Lyn-z Schulte, cnorahs , Henrique 'Sorín' Cassús, Tim Robinson, Kiarash Asar, Jun Cai, Paul Schneider, Amber Wood, Ophelia Gibson Best, Cas Jamieson, Michelle Stevens-Stanford, Phyllis Dubrow, Andreas Voltios, Eunsun Kim, Philippe Spoden, Samantha Chow, Armando Ello, Ayala Ron, Manognya Chakrapani, Simon Holst Ravn, Doreen Reynolds-Consolati, Rakshit Kothari, Melissa Sorrells, and Antony Lee. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Explore how the thyroid operates, and how this organ makes sure all the cells in your body are working.Uploaded 02-03-15--Nestled in the tissues of your neck is a small, unassuming organ that wields enormous power over your body: the thyroid. Emma Bryce explains how the thyroid, like the operations manager in a company, is tasked with making sure that all the cells in your body are working properly. Lesson by Emma Bryce, animation by Tremendousness.View full lesson: http://ed.ted.com/lessons/how-does-the-thyroid-manage-your-metabolism-emma-bryce Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 12-06-18View full lesson: https://ed.ted.com/lessons/the-irish-myth-of-the-giant-s-causeway-iseult-gillespieOn the coast of Northern Ireland, a vast plateau of basalt slabs and columns called the Giant’s Causeway stretches into the ocean. The scientific explanation for this is that it’s the result of molten lava contracting and fracturing as it cooled in the wake of a volcanic eruption. But an ancient Irish myth has a different accounting. Iseult Gillespie recounts the Giant's Causeway myth.Lesson by Iseult Gillespie, animation by Dylan Glynn.Thank you so much to our patrons for your support! Without you this video would not be possible! Husain Mohammad, Max Shuai Tang, Côme Vincent, Astia Rizki Safitri, Alan Froese, alessandra tasso, Gerald Onyango, Katrina Harding, Ezgi Yersu, Al the Scottish Wildcat, Katie Dean, Kin Lon Ma, Carsten Tobehn, Boris Langvand, Jeremy Fryd, Charlene You, Carolyn Corwin, rakesh Katragadda, Sergi Páez, Janelle , Jørgen Østerpart, Karla Brilman, Cindy O., Nicu Boanda, Reagen O'Connor, Anh Dau, Sabrina Gonzalez, Dino , FAWWAZ GHUWAIDI, Hadi Salahshour, Clement, Micholer Miller, Sarah Burns, Nick Debenedictis, Abdullah Altuwaijri, Jessie McGuire, Divina Grace Dar Santos, Andrew Sleugh, Brian Richards, Farah Abdelwahab, Joe Meyers, Mikhail Shkirev, Raphaël LAURENT, Malcolm Callis, Sweetmilkcoco , David Matthew Ezroj, Ever Granada, fatima kried, Begum Tutuncu, and Lala Arguelles. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/the-law-of-conservation-of-mass-todd-ramseyUploaded 26-02-15Everything in our universe has mass — from the smallest atom to the largest star. But the amount of mass has remained constant throughout existence even during the birth and death of stars, planets and you. How can the universe grow while maintaining its mass? Todd Ramsey answers that question by unravelling the law of conservation of mass.Lesson by Todd Ramsey, animation by Vegso/Banyai. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 14-06-18View full lesson: https://ed.ted.com/lessons/what-causes-insomnia-dan-kwartlerWhat keeps you up at night? Pondering deep questions? Excitement about a big trip? Stress about unfinished work? What if the very thing keeping you awake was stress about losing sleep? This seemingly unsolvable loop is at the heart of insomnia, the world’s most common sleep disorder. So what is insomnia? And is there any way to break the cycle? Dan Kwartler details the science of insomnia.Lesson by Dan Kwartler, animation by Sharon Colman.Thank you so much to our patrons for your support! Without you this video would not be possible! Mehmet Sencer KARADAYI, Christian Kurch, SungGyeong Bae, Luis Felipe Ruiz Langenscheidt, Joe Huang, Rohan Gupta, Senjo Limbu, Martin Lau, Robson Martinho, Jason Garcia, Cailin Ramsey, Aaron Henson, John Saveland, Nicolle Fieldsend-Roxborough, Venkat Venkatakrishnan, Sandy Nasser, CG Nobles, QIUJING L BU, Yoga Trapeze Wanderlust, Jaron Blackburn, Alejandro Cachoua, Thomas Mungavan, Elena Crescia, Edla Paniguel, Sarah Lundegaard, Anna-Pitschna Kunz, Tim Armstrong, Erika Blanquez, Ricki Daniel Marbun, zjweele13, Judith Benavides, Ross Henriques, Ken, Caitlin de Falco, Scheherazade Kelii, Errys, James Bruening, Michael Braun-Boghos, Ricardo Diaz, Kack-Kyun Kim, Artem Minyaylov, Alexandrina Danifeld, Danny Romard, Yujing Jiang, Stina Boberg, Mariana Ortega, Anthony Wiggins, Hoai Nam Tran, Joe Sims, and David Petrovič. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/did-shakespeare-write-his-plays-natalya-st-clair-and-aaron-williamsUploaded 24-02-15Some people question whether Shakespeare really wrote the works that bear his name – or whether he even existed at all. Could it be true that the greatest writer in the English language was as fictional as his plays? Natalya St. Clair and Aaron Williams show how a linguistic tool called stylometry might shed light on the answer.Lesson by Natalya St. Clair and Aaron Williams, animation by Pink Kong Studios. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 18-06-18View full lesson: https://ed.ted.com/lessons/did-the-amazons-really-exist-adrienne-mayorIt was long assumed that Amazons, the fierce and fearsome women warriors of Greece, were imaginary. But curiously enough, stories from ancient Egypt, Persia, the Middle East, Central Asia, India and China also featured Amazon-like warrior women. And Amazons were described in ancient historical accounts, not just myths. Who were the real women warriors known as Amazons? Adrienne Mayor investigates.Lesson by Adrienne Mayor, animation by Silvia Prietov.Thank you so much to our patrons for your support! Without you this video would not be possible! Chris Adriaensen, Lowell Fleming, Amir Ghandeharioon, Anuj Tomar, Sunny Patel, Vijayalakshmi, Devesh Kumar, Uday Kishore, Aidan Forero, Leen Mshasha, Allan Hayes, Thomas Bahrman, Alexander Baltadzhiev, Vaibhav Mirjolkar, Tony, Michelle, Katie and Josh Pedretti, Erik Biemans, Gaurav Mathur, Sameer Halai, Hans Peng, Tekin Gültekin, Hector Quintanilla, PH Chua, Raheem, Penelope Misquitta, Ravi S. Rāmphal, Emma Moyse, Fahad Nasser Chowdhury, Marin Kovachev, Roman Pinchuk, Mohamad Aiman Fitri Bin Annuar, Daniel Huerga, Maria Lerchbaumer, Kevin Le, Edgar Campos Barrachina, Dianne Palomar, The Brock, Curtis Light, Ernest Chow, Liana Switzer, Maija Chapman, Pamela Harrison, Dylan Drover, Mighterbump , Beatriz Inácio, Robert Hargis, Soma Ali, Mark wisdom, Mircea Sîrbu, Ai Ejima, and Molly Gardner. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/the-last-banana-a-thought-experiment-in-probability-leonardo-barichelloUploaded 23-02-15Imagine a game of dice: if the biggest number rolled is one, two, three, or four, player 1 wins. If the biggest number rolled is five or six, player 2 wins. Who has the best probability of winning the game? Leonardo Barichello explains how probability holds the answer to this seemingly counterintuitive puzzle. Lesson by Leonardo Barichello, animation by Ace and Son Moving Picture Co, LLC. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 19-06-18View full lesson: https://ed.ted.com/lessons/the-science-of-hearing-douglas-l-oliverThe ability to recognize sounds and identify their location is possible thanks to the auditory system. That’s comprised of two main parts: the ear, and the brain. The ear’s task is to convert sound energy into neural signals; the brain’s is to receive and process the information those signals contain. To understand how that works, Douglas L. Oliver follows a sound on its journey into the ear.Lesson by Douglas L. Oliver, animation by Cabong Studios.Thank you so much to our patrons for your support! Without you this video would not be possible! Irindany Sandoval, William Bravante, Elizabeth Parker, Sai Krishna Koyoda, Therapist Gus, Samuel Barbas, Betsy Feathers, Maxwell Ingram, Ajinkya Deshmukh, Victoria Soler-Roig, Abdulmateen Aderinto, Pavel Maksimov, Barbara Younker, Cyrus Garay, Yvette Mocete, Mike Azarkman, Valeria Sloan Vasquez, Patricia Alves Panagides, William Biersdorf, Michael Aquilina, Vinamr L. Sachdeva, FireWolfLasers, Kshitij Shah, Mohammad Said, Teach Me Diné - Navajo Language, Victoria Veretilo, Rebecca Reineke, Felipe Hoff, Kyanta Yap, Brandon Thomas, Lewis Westbury, Ojas Kapoor, Johnny Gutierrez, Mirzat Turap, Jaime Arriola, Emilia Alvarado, Javid Gozalov, 真佑 劉, Ethan , Philipp Hiestand, Paul Beard, Deepak Iyer, Markus Goldhacker, Mihai Sandu, Keven Webb, Hendrik Mueller, Maurice Castonguay, Kristiyan Bonev, Maryam Dadkhah, and Joshua Wasniewski. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Explore how the pancreas operates, and how this organ helps with digestion and controlling your sugar levels.Uploaded 19-02-15--Beneath your ribs, you’ll find, among other things, the pancreas -- an organ that works a lot like a personal health coach. Emma Bryce explains how this organ controls your sugar levels and produces a special juice that releases the nutrients from your food to help keep you in the best possible shape. Lesson by Emma Bryce, animation by Tremendousness.View full lesson: http://ed.ted.com/lessons/what-does-the-pancreas-do-emma-bryce Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 21-06-18View full lesson: https://ed.ted.com/lessons/how-do-your-hormones-work-emma-bryceOver our lifetimes, our bodies undergo a series of extraordinary metamorphoses: we grow, experience puberty, and many of us reproduce. Behind the scenes, the endocrine system works constantly to orchestrate these changes. Emma Bryce explains how this system regulates everything from your sleep to the rhythm of your beating heart, exerting its influence over each and every one of your cells. Lesson by Emma Bryce, animation by Daniel Gray.Thank you so much to our patrons for your support! Without you this video would not be possible! Michał Friedrich, Arlene Spiegelman, Doug Henry, Alick Au, denison martins fernandes, Hashem Al, Daniel Nester, Richard A Berkley, Benjamin Chan, Dee Wei, Abdallah Absi, Dominick Biolsi, Denise A Pitts, Pi Guanghui, Doris, Kurt Almendras, Raymond Lee, Nicolas Silva, Tsz Hin Edmund Chan, Melvin Williams, Eric Monarrez, Tirath Singh Pandher, Athena Grace Franco, Terry Minion, Ian McPherson, Mauricio Basso, Kelvin Lam, Jamesbo87 , Tara Frost, Karlee Finch, Chumi Ogbonna, Barthélémy Michalon, Lefty McGoo, Lucas Pincerato, Prefer Anonymous, Mohamed Elsayed, Ankur Deshwal, Pawan Kumar, Amin Shahril, Mihail Radu Pantilimon, Chris Thompson, Derek Drescher, Karisa Caudill, Diana Habashneh, Zhong Ming Zenny Tan, Christina Salvatore, Brady Jones, Todd Gross, Alexis Hevia, Heidi Stolt, Daisy Trujillo, Robert Seik, Coenraad Keuning, Charles A Hershberger, Alan Wilder, and Laura Cameron Keith. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/how-we-think-complex-cells-evolved-adam-jacobsonUploaded 17-02-15Imagine you swallowed a small bird and suddenly gained the ability to fly … or you ate a cobra and were able to spit poisonous venom! Well, throughout the history of life (and specifically during the evolution of complex eukaryotic cells) things like this happened all the time. Adam Jacobson explains endosymbiosis, a type of symbiosis in which one symbiotic organism lives inside another. Lesson by Adam Jacobson, animation by Camilla Gunborg Pedersen. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Get informed on the science behind post-traumatic stress disorder, PTSD, its symptoms and how the brain reacts to trauma.Uploaded 25-06-18--Many of us will experience some kind of trauma during our lifetime. Sometimes, we escape with no long-term effects. But for millions of people, those experiences linger, causing symptoms like flashbacks, nightmares, and negative thoughts that interfere with everyday life. Joelle Rabow Maletis details the science behind post-traumatic stress disorder, or PTSD.Lesson by Joelle Rabow Maletis, directed by Tomás Pichardo-Espaillat.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-psychology-of-post-traumatic-stress-disorder-joelle-maletisThank you so much to our patrons for your support! Without you this video would not be possible! Jordan Tang, Christopher Jimenez, Juan, Tracey Tobkin, Sid, emily lam, Elliot Poulin, Noel Situ, Oyuntsengel Tseyen-Oidov, Latora Slydell, Sydney Evans, Victor E Karhel, Bernardo Paulo, Eysteinn Guðnason, Andrea Feliz, Natalia Rico, Josh Engel, Bárbara Nazaré, Gustavo Mendoza, Zhexi Shan, Hugo Legorreta, PnDAA , Marcel Trompeter-Petrovic, Sandra Tersluisen, Ellen Spertus, Fabian Amels, Mattia Veltri, Quentin Le Menez, Yuh Saito, Joris Debonnet, Martin Lõhmus, Ded Rabit, Heather Slater, Dr Luca Carpinelli, Janie Jackson, Christophe Dessalles, Arturo De Leon, Eduardo Briceño, Bill Feaver, Ricardo Paredes, Jonathan Reshef, David Douglass, Grant Albert, Paul Coupe, Jen , Megan Whiteleather, Adil Abdulla, Steven LaVoy, Ryohky Araya, vivian james, Tan YH, and Brittiny Elman. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/history-vs-richard-nixon-alex-gendlerUploaded 12-02-15The president of the United States of America is often said to be one of the most powerful positions in the world. But of all the US presidents accused of abusing that power, only one has left office as a result. Does Richard Nixon deserve to be remembered for more than the scandal that ended his presidency? Alex Gendler puts this disgraced president’s legacy on trial.Lesson by Alex Gendler, animation by Brett Underhill. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Download a free audiobook version of "Hallucinations" and support TED-Ed's nonprofit mission: https://adbl.co/2Kpt43kUploaded 26-06-18Check out our full book recommendation: https://shop.ed.ted.com/products/hallucinationsView full lesson: https://ed.ted.com/lessons/what-causes-hallucinations-elizabeth-coxA condition called Charles Bonnet Syndrome can cause blind patients to hallucinate scenes in vivid color. fMRI studies show that these hallucinations activate the same brain areas as sight — areas that are not activated by imagination. Other hallucinations also involve the same brain areas as real sensory experiences. What's going on? Elizabeth Cox details the science of hallucinations.Lesson by Elizabeth Cox, directed by Nerdo.Thank you so much to our patrons for supporting us on Patreon! Without you this video would not be possible! Mayra Urbano, Kostadin Mandulov, Alex Schenkman, Sdiep Sriram, Ivan Todorović, Antero Semi, Yanuar Ashari, Mrinalini, Anthony Kudolo, Querida Owens, Hazel Lam, Manav parmar, Dwight Tevuk, Stephen A. Wilson, Siamak H, Dominik Kugelmann, Katie Winchester, David Rosario, Samuel Doerle, Be Owusu, Susan Herder, Savannah Scheelings, Prasanth Mathialagan, Yanira Santamaria, Chad Harper, Dawn Jordan, Chris Mathew, Constantin Salagor, Activated Classroom Teaching, Kevin Wong, Umar Farooq, Goh Xiang Ting Diana, Dmitry Neverov, Tushar Sharma, Cristóbal Medina Moenne, Silas Schwarz, MJ Tan Mingjie, Yansong Li, Henry Li, Kyle Nguyen, Taylor Hunter, Noa Shore, Lex Azevedo, Merit Gamertsfelder, Bev Millar, Jhuval , SookKwan Loong, Daniel Day, Rodrigo Carballo, Marc Veale, Boytsov Ilya, Bozhidar Karaargirov, and ilya bondarik. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/what-causes-sonic-booms-katerina-kaouriUploaded 10-02-15Objects that fly faster than the speed of sound (like really fast planes) create a shock wave accompanied by a thunder-like noise: the sonic boom. These epic sounds can cause distress to people and animals and even damage nearby buildings. Katerina Kaouri details how scientists use math to predict sonic booms' paths in the atmosphere, where they will land, and how loud they will be.Lesson by Katerina Kaouri, animation by Anton Bogaty. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Practice more problem-solving at https://brilliant.org/TedEd/Uploaded 28-06-18Dutch artist Piet Mondrian’s abstract, rectangular paintings inspired mathematicians to create a two-fold challenge. Can you solve the puzzle and get to the lowest score possible? Gordon Hamilton shows how.Lesson by Gordon Hamilton, directed by Anton Trofimov.Thank you so much to our patrons for supporting us on Patreon! Without you this video would not be possible! Bozhidar Karaargirov, maxi kobi einy, Misaki Sato, Craig Sheldon, Andrew Bosco, Catherine Sverko, Nik Maier, Mark Morris, Tamás Drávai, Adi V, Peter Liu, Leora Allen, Hiroshi Uchiyama, Michal Salman, Julie Cummings-Debrot, Gilly, Ka-Hei Law, Maya Toll, Aleksandar Srbinovski, Ricardo Rendon Cepeda, Renhe Ji, Andrés Melo Gámez, Tim Leistikow, Moonlight, Shawar Khan, Chris, Megan Douglas, Barbara Smalley, Filip Dabrowski, Joe Giamartino, Clair Chen, Vik Nagjee, Karen Goepen-Wee, Della Palacios, Bryan Blankenburg, Bah Becerra, Stephanie Perozo, Marc Bilodeau, Ruby Solorzano, Ivan Tsenov, Claudia Mayfield, Justus Berberich, Pavel Zalevskiy, Yankai Liu, Duo Xu, Ghassan Alhazzaa, Miloš Stevanović, Joy Love Om, Gi Nam Lee, Shawn Quichocho, Simone Kidner, Anika Westburg, Barun Padhy, Brandy Jones, Devin Harris, Tony Trapuzzano, Stephen Michael Alvarez, Tom Lee, Juliana, Jason Weinstein, Kris Siverhus, Alexander Walls, Annamaria Szilagyi, and Morgan Williams. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Learn more about TED-Ed Clubs here: http://bit.ly/2z8YFSoUploaded 03-07-18View full lesson: https://ed.ted.com/lessons/are-there-universal-expressions-of-emotion-sophie-zadehThe 40 or so muscles in the human face can be activated in different combinations to create thousands of expressions. But do these expressions look the same and communicate the same meaning around the world regardless of culture? Is one person’s smile another’s grimace? Sophie Zadeh investigates.Lesson by Sophie Zadeh, animated by Estúdio Bacuri.Thank you so much to our patrons for your support! Without you, this video would not be possible! Abhijit Kiran Valluri, Mandeep Singh, Sama aafghani, Vinicius Lhullier, Connor Wytko, Marylise CHAUFFETON, Marvin Vizuett, Jayant Sahewal, Quinn Shen, Caleb ross, Elnathan Joshua Bangayan, Gaurav Rana, Mullaiarasu Sundaramurthy, Jose Henrique Leopoldo e Silva, Dan Paterniti, Jose Schroeder, Jerome Froelich, Tyler Yoshizumi, Martin Stephen, Justin Carpani, Faiza Imtiaz, Khalifa Alhulail, Tejas Dc, Govind Shukla, Srikote Naewchampa, Ex Foedus, Sage Curie, Exal Enrique Cisneros Tuch, Vignan Velivela, Ahmad Hyari, A Hundred Years, eden sher, Travis Wehrman, Minh Tran, Louisa Lee, Kiara Taylor, Hoang Viet, Nathan A. Wright, Jast3r , Аркадий Скайуокер, Milad Mostafavi, Singh Devesh Sourabh, Ashley Maldonado, Clarence E. Harper Jr., Bojana Golubovic, Mihail Radu Pantilimon, Sarah Yaghi, Benedict Chuah, Karthik Cherala, haventfiguredout, Violeta Cervantes, Elaine Fitzpatrick, Lyn-z Schulte, cnorahs, Henrique 'Sorín' Cassús, Tim Robinson, Jun Cai, Paul Schneider, Amber Wood, Ophelia Gibson Best, and Cas Jamieson. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Explore how kidneys operate, and how this organ helps filter waste and excess fluid from your blood.Uploaded 09-02-15--After drinking a few glasses of water on a hot day, you might be struck with a sudden ... urge. Behind that feeling are two bean-shaped organs that work as fine-tuned internal sensors. Emma Bryce details how the incredible kidneys balance the amount of fluid in your body, detect waste in your blood, and know when to release the vitamins, minerals, and hormones you need to stay alive. Lesson by Emma Bryce, animation by Tremendousness.View full lesson: http://ed.ted.com/lessons/how-do-your-kidneys-work-emma-bryce Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Have you checked out our Patreon page? https://www.patreon.com/tededUploaded 05-07-18View full lesson: https://ed.ted.com/lessons/why-don-t-poisonous-animals-poison-themselves-rebecca-d-tarvinThousands of animal species use toxic chemicals to defend themselves from predators. Snakes have blood clotting compounds in their fangs, the bombardier beetle has corrosive liquid in its abdomen and jellyfish have venomous, harpoon-like structures in their tentacles. But how do these animals survive their own poisons? Rebecca D. Tarvin details the strategies that protect animals from themselves.Lesson by Rebecca D. Tarvin, animation by Giulia Martinelli.Thank you so much to our patrons for your support! Without you this video would not be possible! Jordan Tang, Christopher Jimenez, Juan, Tracey Tobkin, Sid, emily lam, Kathryn J Hammond, Elliot Poulin, Noel Situ, Oyuntsengel Tseyen-Oidov, Latora Slydell, Sydney Evans, Victor E Karhel, Bernardo Paulo, Eysteinn Guðnason, Andrea Feliz, Natalia Rico, Josh Engel, Bárbara Nazaré, Gustavo Mendoza, Zhexi Shan, Hugo Legorreta, PnDAA , Sandra Tersluisen, Ellen Spertus, Fabian Amels, sammie goh, Mattia Veltri, Quentin Le Menez, Yuh Saito, Joris Debonnet, Heather Slater, Dr Luca Carpinelli, Janie Jackson, Christophe Dessalles, Arturo De Leon, Eduardo Briceño, Bill Feaver, Ricardo Paredes, David Douglass, Grant Albert, Paul Coupe, Jen, Megan Whiteleather, and Mayank Kaul. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/why-do-we-have-museums-j-v-marantoUploaded 05-02-15Museums have been a part of human history for over 2,000 years -- but they weren't always like the ones we visit today. J. V. Maranto uncovers the evolution of museums, from the first museum in 530 BC (curated by a princess) to PT Barnum’s freak shows and beyond.Lesson by J. V. Maranto, animation by Zedem Media. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 10-07-18View full lesson: https://ed.ted.com/lessons/what-is-the-coldest-thing-in-the-world-lina-marieth-hoyosThe coldest materials in the world aren’t in Antarctica or at the top of Mount Everest. They’re in physics labs: clouds of gases held just fractions of a degree above absolute zero. Lina Marieth Hoyos explains how temperatures this low give scientists a window into the inner workings of matter, and allow engineers to build incredibly sensitive instruments that tell us more about the universe. Lesson by Lina Marieth Hoyos, animation by Adriatic Animation.Thank you so much to our patrons for your support! Without you this video would not be possible! Ryohky Araya, vivian james, Tan YH, Brittiny Elman, Mayra Urbano, Ruth Fang, Kostadin Mandulov, Alex Schenkman, Ivan Todorović, Antero Semi, Yanuar Ashari, Mrinalini, Anthony Kudolo, Scott Gass, Querida Owens, Hazel Lam, Manav parmar, Dwight Tevuk, Siamak H, Dominik Kugelmann, Mary Sawyer, David Rosario, Samuel Doerle, Susan Herder, Savannah Scheelings, Prasanth Mathialagan, Yanira Santamaria, Dawn Jordan, Constantin Salagor, Activated Classroom Teaching, Kevin Wong, Umar Farooq, Goh Xiang Ting Diana, Dmitry Neverov, Cristóbal Medina Moenne, MJ Tan Mingjie, Yansong Li, Jason A Saslow, Joanne Luce, Henry Li, Kyle Nguyen, Taylor Hunter, Noa Shore, Lex Azevedo, and Merit Gamertsfelder. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/why-are-some-people-left-handed-daniel-m-abramsUploaded 03-02-15Today, about one-tenth of the world’s population are southpaws. Why are such a small proportion of people left-handed -- and why does the trait exist in the first place? Daniel M. Abrams investigates how the uneven ratio of lefties and righties gives insight into a balance between competitive and cooperative pressures on human evolution. Lesson by Daniel M. Abrams, animation by TED-Ed. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 12-07-18View full lesson: https://ed.ted.com/lessons/how-exactly-does-binary-code-work-jose-americo-n-l-f-freitasImagine trying to use words to describe every scene in a film, every note in a song, or every street in your town. Now imagine trying to do it using only the numbers 1 and 0. Every time you use the Internet to watch a movie, listen to music, or check directions, that’s exactly what your device is doing, using the language of binary code. José Américo N L F de Freitas explains how binary works.Lesson by José Américo N L F de Freitas, animation by Qa'ed Mai.Thank you so much to our patrons for your support! Without you this video would not be possible! Bev Millar, Rishi Pasham, Jhuval, SookKwan Loong, Daniel Day, Nick Johnson, Bruno Pinho, Javier Aldavaz, Rodrigo Carballo, Marc Veale, Boytsov Ilya, maxi kobi einy, Misaki Sato, Craig Sheldon, Andrew Bosco, Catherine Sverko, Nik Maier, Mark Morris, Tamás Drávai, Adi V, Peter Liu, Leora Allen, Hiroshi Uchiyama, Michal Salman, Julie Cummings-Debrot, Gilly , Ka-Hei Law, Maya Toll, Aleksandar Srbinovski, Ricardo Rendon Cepeda, Renhe Ji, Andrés Melo Gámez, Tim Leistikow, Moonlight , Shawar Khan, Chris, Megan Douglas, Barbara Smalley, Filip Dabrowski, Joe Giamartino, Clair Chen, Vik Nagjee, Karen Goepen-Wee, Della Palacios, and Bah Becerra. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/how-do-dogs-see-with-their-noses-alexandra-horowitzUploaded 02-02-15You may have heard the expression that dogs ‘see with their noses.’ But these creature’s amazing nasal architecture actually reveals a whole world beyond what we can see. Alexandra Horowitz illustrates how the dog’s nose can smell the past, the future and even things that can’t be seen at all. Lesson by Alexandra Horowitz, animation by Província Studio. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 17-07-18View full lesson: https://ed.ted.com/lessons/history-vs-augustus-alex-gendler-and-peta-greenfieldHis reign marked the beginning of one of history’s greatest empires … and the end of one of its first republics. Was Rome’s first emperor a visionary leader who guaranteed his civilization’s place in history, or a tyrant who destroyed its core values? Peta Greenfield and Alex Gendler put this controversial figure on trial in History vs. Augustus.Lesson by Peta Greenfield and Alex Gendler, animation by Brett Underhill.Thank you so much to our patrons for your support! Without you this video would not be possible! Stephanie Perozo, Marc Bilodeau, Ruby Solorzano, Ivan Tsenov, Claudia Mayfield, Pavel Zalevskiy, Yankai Liu, Duo Xu, Ghassan Alhazzaa, Miloš Stevanović, Joy Love Om, Gi Nam Lee, Shawn Quichocho, Simone Kidner, Anika Westburg, Barun Padhy, Brandy Jones, Devin Harris, Tony Trapuzzano, Stephen Michael Alvarez, Tom Lee, Juliana, Jason Weinstein, Kris Siverhus, Alexander Walls, Annamaria Szilagyi, Morgan Williams, Abhijit Kiran Valluri, Mandeep Singh, Sama aafghani, سلطان الخليفي, Marylise CHAUFFETON, Marvin Vizuett, Jayant Sahewal, Quinn Shen, Caleb ross, Elizabeth Cruz, Elnathan Joshua Bangayan, Gaurav Rana, Mullaiarasu Sundaramurthy, Jose Henrique Leopoldo e Silva, Dan Paterniti, Jerome Froelich, Tyler Yoshizumi, and Martin Stephen. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/how-does-your-smartphone-know-your-location-wilton-l-virgoUploaded 29-01-15GPS location apps on a smartphone can be very handy when mapping a travel route or finding nearby events. But how does your smartphone know where you are? Wilton L. Virgo explains how the answer lies 12,000 miles over your head, in an orbiting satellite that keeps time to the beat of an atomic clock powered by quantum mechanics. Lesson by Wilton L. Virgo, animation by Nick Hilditch. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 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 sunlight brightens the Nile, Peseshet checks her supplies. Honey, garlic, cumin, acacia leaves, cedar oil -- she’s well stocked with the essentials she needs to treat her patients. Elizabeth Cox outlines a day in the life of an ancient Egyptian doctor.Lesson by Elizabeth Cox, animation by Echo Bridge.Thank you so much to our patrons for your support! Without you this video would not be possible! Justin Carpani, Faiza Imtiaz, Khalifa Alhulail, Tejas Dc, Benjamin and Shannon Pinder, Srikote Naewchampa, Ex Foedus, Sage Curie, Exal Enrique Cisneros Tuch, Ana Maria, Vignan Velivela, Ibel Wong, Ahmad Hyari, eden sher, Travis Wehrman, Louisa Lee, Kiara Taylor, Hoang Viet, Nathan A. Wright, Jast3r, Аркадий Скайуокер, Milad Mostafavi, Rob Johnson, Ashley Maldonado, Clarence E. Harper Jr., Bojana Golubovic, Mihail Radu Pantilimon, Benedict Chuah, Karthik Cherala, haventfiguredout , Violeta Cervantes, Elaine Fitzpatrick, Lyn-z Schulte, cnorahs, Henrique 'Sorín' Cassús, Tim Robinson, Jun Cai, Paul Schneider, Amber Wood, Ophelia Gibson Best, Cas Jamieson, Michelle Stevens-Stanford, Phyllis Dubrow, Andreas Voltios, and Eunsun Kim. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/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 a quick peek into the rhythm of his words reveals a poet deeply rooted in the way people spoke in his time — and still speak today. Why do Shakespeare’s words have such staying power? David T. Freeman and Gregory Taylor uncover the power of iambic pentameter.Lesson by David T. Freeman and Gregory Taylor, animation by Brad Purnell. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Take a closer look at the life of escaped slave and American icon Harriet Tubman, who liberated over 700 enslaved people using the Underground Railroad.Uploaded 24-07-18--Download a free audiobook version of "The Underground Railroad" and support TED-Ed's nonprofit mission: https://adbl.co/2LEl0sUCheck out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/the-underground-railroadEscaping slavery; risking everything to save her family; leading a military raid; championing the cause of women’s suffrage; these are just a handful of the accomplishments of one of America’s most courageous heroes. Janell Hobson details Harriet Tubman's many fights for freedom.Lesson by Janell Hobson, directed by Yan Dan Wong.Thank you so much to our patrons for supporting us on Patreon! Without you this video would not be possible! Philippe Spoden, Samantha Chow, Armando Ello, Ayala Ron, Manognya Chakrapani, Simon Holst Ravn, Doreen Reynolds-Consolati, Rakshit Kothari, Melissa Sorrells, Antony Lee, Husain Mohammad, Max Shuai Tang, Côme Vincent, Astia Rizki Safitri, Alan Froese, alessandra tasso, Gerald Onyango, Katrina Harding, Ezgi Yersu, Al the Scottish Wildcat, Katie Dean, Kin Lon Ma, Carsten Tobehn, Boris Langvand, Jeremy Fryd, Charlene You, Carolyn Corwin, rakesh Katragadda, Sergi Páez, Janelle, Jørgen Østerpart, Karla Brilman, Cindy O., Nicu Boanda, Reagen O'Connor, Anh Dau, Sabrina Gonzalez, Dino, FAWWAZ GHUWAIDI, Hadi Salahshour, Clement, Sarah Burns, Nick Debenedictis, Abdullah Altuwaijri, and Jessie McGuire. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/why-do-buildings-fall-in-earthquakes-vicki-v-mayUploaded 26-01-15Earthquakes have always been a terrifying phenomenon, and they’ve become more deadly as our cities have grown — with collapsing buildings posing one of the largest risks. But why do buildings collapse in an earthquake? And how can it be prevented? Vicki V. May explains the physics of why it is not the sturdiest buildings, but the smartest, that will remain standing.Lesson by Vicki V. May, animation by Pew36 Animation Studios. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 26-07-18View full lesson: https://ed.ted.com/lessons/how-can-you-change-someone-s-mind-spoiler-facts-don-t-work-so-well-hugo-mercierWhy do arguments change people’s minds in some cases and backfire in others? Hugo Mercier explains how arguments are more convincing when they rest on a good knowledge of the audience, taking into account what the audience believes, who they trust, and what they value.Lesson by Hugo Mercier, animation by TED-Ed.Thank you so much to our patrons for your support! Without you this video would not be possible! Scheherazade Kelii, Errys , James Bruening, Michael Braun-Boghos, Ricardo Diaz, Kack-Kyun Kim, Artem Minyaylov, Alexandrina Danifeld, Danny Romard, Yujing Jiang, Stina Boberg, Mariana Ortega, Anthony Wiggins, Hoai Nam Tran, Joe Sims, David Petrovič, Chris Adriaensen, Lowell Fleming, Amir Ghandeharioon, Anuj Tomar, Sunny Patel, Vijayalakshmi , Devesh Kumar, Uday Kishore, Aidan Forero, Leen Mshasha, Allan Hayes, Thomas Bahrman, Vaibhav Mirjolkar, Tony, Michelle, Katie and Josh Pedretti, Erik Biemans, Gaurav Mathur, Sameer Halai, Hans Peng, Tekin Gültekin, Hector Quintanilla, Raheem , Penelope Misquitta, Ravi S. Rāmphal, Emma Moyse, Fahad Nasser Chowdhury, Marin Kovachev, Roman Pinchuk, Mohamad Aiman Fitri Bin Annuar, Daniel Huerga, Maria Lerchbaumer, Edgar Campos Barrachina, Dianne Palomar, The Brock, Curtis Light, Ernest Chow, Liana Switzer, Maija Chapman, Pamela Harrison, Dylan Drover, Mighterbump , Beatriz Inácio, Robert Hargis, Soma Ali, Mark wisdom, Mircea Sîrbu, Ai Ejima, Irindany Sandoval, William Bravante, Elizabeth Parker, Sai Krishna Koyoda, Therapist Gus, Samuel Barbas, Betsy Feathers, Maxwell Ingram, Ajinkya Deshmukh, Victoria Soler-Roig, Abdulmateen Aderinto, Pavel Maksimov, Barbara Younker, Cyrus Garay, Yvette Mocete, Mike Azarkman, Valeria Sloan Vasquez, Patricia Alves Panagides, and William Biersdorf. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/why-the-arctic-is-climate-change-s-canary-in-the-coal-mine-william-chapmanUploaded 22-01-15The Arctic may seem like a frozen and desolate environment where nothing ever changes. But the climate of this unique and remote region can be both an early indicator of the climate of the rest of the Earth and a driver for weather patterns across the globe. William Chapman explains why scientists often describe the Arctic as the “canary in the coal mine” when it comes to climate change.Lesson by William Chapman, animation by Sandro Katamashvili. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

If you enjoy this lesson, we highly recommend reading "Fallen Glory: The Lives and Deaths of History's Greatest Buildings." Discounted e-book versions available here: https://amzn.to/2LL50ZkUploaded 31-07-18Check out our book rec page to learn more: http://bit.ly/2mZ9LQSView full lesson: https://ed.ted.com/lessons/did-ancient-troy-really-exist-einav-zamir-dembinWhen Homer’s Iliad was first written down in the eighth century BCE, the story of the Trojan war was already an old one. From existing oral tradition, audiences knew the tales of the long siege, the duels outside the city walls, and the trick that finally won the war. In the end, the city was burned to the ground, never to rise again. But had it ever existed? Einav Zamir Dembin investigates.Lesson by Einav Zamir Dembin, directed by Cabong Studios.Thank you so much to our patrons for your support! Without you this video would not be possible! Divina Grace Dar Santos, Brian Richards, Farah Abdelwahab, Joe Meyers, Mikhail Shkirev, Raphaël LAURENT, Malcolm Callis, Sweetmilkcoco, David Matthew Ezroj, Ever Granada, fatima kried, Begum Tutuncu, Lala Arguelles, Mehmet Sencer KARADAYI, Christian Kurch, SungGyeong Bae, Luis Felipe Ruiz Langenscheidt, Joe Huang, Rohan Gupta, Senjo Limbu, Martin Lau, Robson Martinho, Jason Garcia, Cailin Ramsey, Aaron Henson, John Saveland, Nicolle Fieldsend-Roxborough, Venkat Venkatakrishnan, Sandy Nasser, QIUJING L BU, Yoga Trapeze Wanderlust, Jaron Blackburn, Alejandro Cachoua, Thomas Mungavan, Elena Crescia, Edla Paniguel, Sarah Lundegaard, Anna-Pitschna Kunz, Tim Armstrong, Erika Blanquez, Ricki Daniel Marbun, zjweele13, Judith Benavides, Ken, Caitlin de Falco, Tsz Hin Edmund Chan, Melvin Williams, Tirath Singh Pandher, Athena Grace Franco, Terry Minion, Ian McPherson, Mauricio Basso, Kelvin Lam, Jamesbo87, Tara Frost, Karlee Finch, Chumi Ogbonna, Barthélémy Michalon, Lefty McGoo, Lucas Pincerato, Prefer Anonymous, Mohamed Elsayed, Amin Shahril, Mihail Radu Pantilimon, Chris Thompson, Derek Drescher, Karisa Caudill, Zhong Ming Zenny Tan, Christina Salvatore, Brady Jones, Todd Gross, Alexis Hevia, Heidi Stolt, Daisy Trujillo, Robert Seik, Coenraad Keuning, Charles A Hershberger, Laura Cameron Keith, Abhishek Goel, Max Ngomane, Rafael Kato, Jen O'Hogan, Renu Balak, Marc Bou Zeid, JY Kang, Anastasiia, Madee Lo, Arpita Singh, Karl Laius, Barbarossa, Luca Oradini, Tu-Anh Nguyen, Melissa Rocha, Julia Fell, Guy Hardy, Rachel Chen, Sebastiaan Vleugels, Joel Alfonso, Tom Vu, Derya Goekcay, Brandy Sarver, Fernando Minardi, Jose Arcadio Valdes Franco, Akinola Emmanuel, igor romanenko, Dian Atamyanov, Ernest Chang, Abhishek Bansal, Austin Randall, Ryan B Harvey, Jennifer Kurkoski, phkphk123321, Arlene Weston, Mehmet Yusuf Ertekin, Ten Cha, Les Howard, Kevin O'Leary, Francisco Leos, Prateek Shrivastava, Robert Patrick, Jorge, Marcus Appelbaum, Alan Wilder, Amin Talaei, Mohamed Elsayed, Aleksandr Lyozin, Eimann P. Evarola, Claire Ousey, Carlos H. Costa, Tariq Keblaoui, Bela Namyslik, Nick Johnson, Won Jang, Johnnie Graham, Junjie Huang, Harshita Jagdish Sahijwani, Amber Alexander, Yelena Baykova, Laurence McMillan, and John C. Vesey and Karmi Nguyen. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/what-triggers-a-chemical-reaction-kareem-jarrahUploaded 20-01-15Chemicals are in everything we see, and the reactions between them can look like anything from rust on a spoon to an explosion on your stovetop. But why do these reactions happen in the first place? Kareem Jarrah answers this question by examining the two underlying forces that drive both endothermic and exothermic chemical reactions: enthalpy and entropy.Lesson by Kareem Jarrah, animation by Flaming Medusa Studios Inc. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Learn more about TED's student voice initiative here: http://bit.ly/2ODTRIqUploaded 02-08-18View full lesson: https://ed.ted.com/lessons/why-does-your-voice-change-as-you-get-older-shaylin-a-schundlerThe human voice is capable of incredible variety and range. As we age, our bodies undergo two major changes which explore that range. So how exactly does our voice box work, and what causes these shifts in speech? Shaylin A. Schundler describes how and why our voices change when we get older.Lesson by Shaylin A. Schundler, directed by Andrew Foerster and Nick Counter.Thank you so much to our patrons for your support! Without you this video would not be possible! Michael Aquilina, Vinamr L. Sachdeva, FireWolfLasers, Kshitij Shah, Mohammad Said, Teach Me Diné - Navajo Language, Victoria Veretilo, Rebecca Reineke, Felipe Hoff, Kyanta Yap, Brandon Thomas, Lewis Westbury, Ojas Kapoor, Johnny Gutierrez, Mirzat Turap, Jaime Arriola, Emilia Alvarado, Javid Gozalov, 真佑 劉, Ethan Cole, Philipp Hiestand, Paul Beard, Deepak Iyer, Markus Goldhacker, Mihai Sandu, Keven Webb, Hendrik Mueller, Maurice Castonguay, Kristiyan Bonev, Maryam Dadkhah, Joshua Wasniewski, Michał Friedrich, Arlene Spiegelman, Doug Henry, Alick Au, denison martins fernandes, Hashem Al, Daniel Nester, Richard A Berkley, Benjamin Chan, Dee Wei, Abdallah Absi, Denise A Pitts, Pi Guanghui, Doris, Kurt Almendras, Raymond Lee, and Nicolas Silva. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Practice more problem-solving at https://brilliant.org/TedEd/Sign up to be emailed the solution to the bonus riddle: https://brilliant.org/TedEdPoisonChocolate/Uploaded 07-08-18A hostile artificial intelligence called NIM has taken over the world’s computers. You’re the only person skilled enough to shut it down, and you’ll only have one chance. Can you survive and shut off the artificial intelligence? Dan Finkel shows how.Lesson by Dan Finkel, directed by Artrake Studio.Thank you so much to our patrons for your support! Without you this video would not be possible! Jordan Tang, Christopher Jimenez, Juan, Tracey Tobkin, Sid, emily lam, Kathryn J Hammond, Elliot Poulin, Noel Situ, Oyuntsengel Tseyen-Oidov, Latora Slydell, Sydney Evans, Victor E Karhel, Bernardo Paulo, Eysteinn Guðnason, Andrea Feliz, Natalia Rico, Josh Engel, Bárbara Nazaré, Gustavo Mendoza, Zhexi Shan, Hugo Legorreta, PnDAA, Sandra Tersluisen, Ellen Spertus, Fabian Amels, sammie goh, Mattia Veltri, Quentin Le Menez, Yuh Saito, Joris Debonnet, Heather Slater, Dr Luca Carpinelli, Janie Jackson, Christophe Dessalles, Arturo De Leon, Eduardo Briceño, Bill Feaver, Ricardo Paredes, David Douglass, Grant Albert, Paul Coupe, Jen, Megan Whiteleather, and Mayank Kaul. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/how-spontaneous-brain-activity-keeps-you-alive-nathan-s-jacobsUploaded 13-01-15The wheels in your brain are constantly turning, even when you're asleep or not paying attention. In fact, most of your brain’s activities are ones you’d never be aware of … unless they suddenly stopped. Nathan S. Jacobs takes us inside the always active, surprisingly spontaneous brain.Lesson by Nathan S. Jacobs, animation by TOGETHER. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 09-08-18View full lesson: https://ed.ted.com/lessons/how-the-normans-changed-the-history-of-europe-mark-robinsonIn the year 1066, 7,000 Norman infantry and knights sailed in warships across the English Channel. Their target: England, home to more than a million people. Around the same period of time, other groups of Normans were setting forth all across Europe. Who were these warriors, and how did they leave their mark so far and wide? Mark Robinson shares a brief history of the Normans.Lesson by Mark Robinson, directed by Echo Bridge.Thank you so much to our patrons for your support! Without you this video would not be possible! Ryohky Araya, vivian james, Tan YH, Brittiny Elman, Mayra Urbano, Ruth Fang, Kostadin Mandulov, Alex Schenkman, Ivan Todorović, Antero Semi, Yanuar Ashari, Mrinalini, Anthony Kudolo, Scott Gass, Querida Owens, Hazel Lam, Manav parmar, Dwight Tevuk, Siamak H, Dominik Kugelmann, Mary Sawyer, David Rosario, Samuel Doerle, Susan Herder, Savannah Scheelings, Prasanth Mathialagan, Yanira Santamaria, Dawn Jordan, Constantin Salagor, Activated Classroom Teaching, Kevin Wong, Umar Farooq, Goh Xiang Ting Diana, Dmitry Neverov, Cristóbal Medina Moenne, MJ Tan Mingjie, Yansong Li, Jason A Saslow, Joanne Luce, Henry Li, Kyle Nguyen, Taylor Hunter, Noa Shore, Lex Azevedo, and Merit Gamertsfelder. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Learn the science behind how vaccines trigger an immune response and teach our bodies to recognize dangerous pathogens. Uploaded 12-01-15--The first ever vaccine was created when Edward Jenner, an English physician and scientist, successfully injected small amounts of a cowpox virus into a young boy to protect him from the related (and deadly) smallpox virus. But how does this seemingly counterintuitive process work? Kelwalin Dhanasarnsombut details the science behind vaccines.Lesson by Kelwalin Dhanasarnsombut, animation by Cinematic.Sign up for our newsletter: http://bit.ly/TEDEdNewsletterSupport us on Patreon: http://bit.ly/TEDEdPatreonFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram: http://bit.ly/TEDEdInstagramView full lesson: http://ed.ted.com/lessons/how-do-vaccines-work-kelwalin-dhanasarnsombut Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 14-08-18View full lesson: https://ed.ted.com/lessons/what-really-happened-to-the-library-of-alexandria-elizabeth-cox 2,300 years ago, the rulers of Alexandria set out to fulfill a very audacious goal: to collect all the knowledge in the world under one roof. In its prime, the Library of Alexandria housed an unprecedented number of scrolls and attracted some of the Greek world’s greatest minds. But by the end of the 5th century CE, it had vanished. Elizabeth Cox details the rise and fall of this great building.Lesson by Elizabeth Cox, directed by Inna Phillimore.Thank you so much to our patrons for your support! Without you this video would not be possible! Bev Millar, Rishi Pasham, Jhuval, SookKwan Loong, Daniel Day, Nick Johnson, Bruno Pinho, Javier Aldavaz, Rodrigo Carballo, Marc Veale, Boytsov Ilya, maxi kobi einy, Misaki Sato, Craig Sheldon, Andrew Bosco, Catherine Sverko, Nik Maier, Mark Morris, Tamás Drávai, Adi V, Peter Liu, Leora Allen, Hiroshi Uchiyama, Michal Salman, Julie Cummings-Debrot, Gilly, Ka-Hei Law, Maya Toll, Aleksandar Srbinovski, Ricardo Rendon Cepeda, Renhe Ji, Andrés Melo Gámez, Tim Leistikow, Moonlight, Shawar Khan, Chris , Megan Douglas, Barbara Smalley, Filip Dabrowski, Joe Giamartino, Clair Chen, Vik Nagjee, Karen Goepen-Wee, Della Palacios, and Bah Becerra. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/the-evolution-of-the-human-eye-joshua-harveyUploaded 08-01-15The human eye is an amazing mechanism, able to detect anywhere from a few photons to a few quadrillion, or switch focus from the screen in front of you to the distant horizon in a third of a second. How did these complex structures evolve? Joshua Harvey details the 500 million year story of the human eye.Lesson by Joshua Harvey, animation by Artrake Studio. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 16-08-18View full lesson: https://ed.ted.com/lessons/zen-koans-unsolvable-enigmas-designed-to-break-your-brain-puqun-liHow do we explain the unexplainable? This question has inspired numerous myths, religious practices and scientific inquiries. But Zen Buddhists practicing throughout China from the 9th to 13th century asked a different question – why do we need an explanation? Puqun Li details the bewildering and ambiguous philosophical thought experiments these Buddhists called Zen kōans. Lesson by Puqun Li, directed by Cabong Studios.Thank you so much to our patrons for your support! Without you this video would not be possible! Stephanie Perozo, Marc Bilodeau, Ruby Solorzano, Ivan Tsenov, Claudia Mayfield, Pavel Zalevskiy, Yankai Liu, Duo Xu, Ghassan Alhazzaa, Miloš Stevanović, Joy Love Om, Gi Nam Lee, Shawn Quichocho, Simone Kidner, Anika Westburg, Barun Padhy, Brandy Jones, Devin Harris, Tony Trapuzzano, Stephen Michael Alvarez, Tom Lee, Juliana, Jason Weinstein, Kris Siverhus, Alexander Walls, Annamaria Szilagyi, Morgan Williams, Abhijit Kiran Valluri, Mandeep Singh, Sama aafghani, سلطان الخليفي, Marylise CHAUFFETON, Marvin Vizuett, Jayant Sahewal, Quinn Shen, Caleb ross, Elizabeth Cruz, Elnathan Joshua Bangayan, Gaurav Rana, Mullaiarasu Sundaramurthy, Jose Henrique Leopoldo e Silva, Dan Paterniti, Jerome Froelich, Tyler Yoshizumi, and Martin Stephen. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson here: http://ed.ted.com/lessons/einstein-s-miracle-year-larry-lagerstromUploaded 06-01-15As the year 1905 began, Albert Einstein faced life as a “failed” academic. Yet within the next twelve months, he would publish four extraordinary papers, each on a different topic, that were destined to radically transform our understanding of the universe. Larry Lagerstrom details these four groundbreaking papers.Lesson by Larry Lagerstrom, animation by Oxbow Creative. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Learn more about TED's Student Talks program here: http://bit.ly/2MUY1KKUploaded 21-08-18View full lesson: https://ed.ted.com/lessons/why-is-aristophanes-called-the-father-of-comedy-mark-robinsonAristophanes, often referred to as the Father of Comedy, wrote the world’s earliest surviving comic dramas. They're stuffed full of parodies, songs, sexual jokes and surreal fantasy -- and they’ve shaped how comedy’s been written and performed ever since. Mark Robinson shares a brief history of Aristophanes.Lesson by Mark Robinson, directed by Anton Bogaty.Thank you so much to our patrons for your support! Without you, this video would not be possible! Justin Carpani, Faiza Imtiaz, Khalifa Alhulail, Tejas Dc, Benjamin and Shannon Pinder, Srikote Naewchampa, Ex Foedus, Sage Curie, Exal Enrique Cisneros Tuch, Ana Maria, Vignan Velivela, Ibel Wong, Ahmad Hyari, eden sher, Travis Wehrman, Louisa Lee, Kiara Taylor, Hoang Viet, Nathan A. Wright, Jast3r , Аркадий Скайуокер, Milad Mostafavi, Rob Johnson, Ashley Maldonado, Clarence E. Harper Jr., Bojana Golubovic, Mihail Radu Pantilimon, Benedict Chuah, Karthik Cherala, haventfiguredout , Violeta Cervantes, Elaine Fitzpatrick, Lyn-z Schulte, cnorahs, Henrique 'Sorín' Cassús, Tim Robinson, Jun Cai, Paul Schneider, Amber Wood, Ophelia Gibson Best, Cas Jamieson, Michelle Stevens-Stanford, Phyllis Dubrow, Andreas Voltios, and Eunsun Kim. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/the-benefits-of-a-good-night-s-sleep-shai-marcuUploaded 05-01-15It’s 4am, and the big test is in 8 hours. You’ve been studying for days, but you still don’t feel ready. Should you drink another cup of coffee and spend the next few hours cramming? Or should you go to sleep? Shai Marcu defends the latter option, showing how sleep restructures your brain in a way that’s crucial for how our memory works. Lesson by Shai Marcu, animation by Javier Saldeña. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Practice more problem-solving at https://brilliant.org/TedEd/Solution to Bonus Riddle: https://brilliant.org/tededautobiographical/Uploaded 23-08-18You’ve found Leonardo da Vinci’s secret vault, secured by a series of combination locks. Fortunately, your treasure map has three codes: 1210, 3211000, and… hmm. The last one appears to be missing. Can you figure out the last number and open the vault? Tanya Khovanova shows how.Lesson by Tanya Khovanova, directed by Artrake Studio.Thank you so much to our patrons for your support! Without you this video would not be possible! Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

View full lesson: http://ed.ted.com/lessons/what-is-a-gift-economy-alex-gendlerUploaded 23-12-14What if, this holiday season, instead of saying "thank you" to your aunt for her gift of a knitted sweater, the polite response expected from you was to show up at her house in a week with a better gift? Or to vote for her in the town election? Or let her adopt your firstborn child? Alex Gendler explains how all of these things might not sound so strange if you were involved in a gift economy.Lesson by Alex Gendler, animation by Avi Ofer. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Explore the psychology behind imposter syndrome, and get tips on how you can combat feelings of doubt in your accomplishments.Uploaded 28-08-18--Even after writing eleven books and winning several awards, Maya Angelou couldn’t escape the doubt that she hadn’t earned her accomplishments. This feeling of fraudulence is extremely common. Why can’t so many of us shake feelings that our ideas and skills aren’t worthy of others’ attention? Elizabeth Cox describes the psychology behind the imposter syndrome, and what you can do to combat it.Lesson by Elizabeth Cox, directed by Sharon Colman.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-is-imposter-syndrome-and-how-can-you-combat-it-elizabeth-coxDig deeper with additional resources: https://ed.ted.com/lessons/what-is-imposter-syndrome-and-how-can-you-combat-it-elizabeth-cox#digdeeper----------------------------------------------Thank you so much to our patrons for your support! Without you this video would not be possible! Divina Grace Dar Santos, Brian Richards, Farah Abdelwahab, Joe Meyers, Mikhail Shkirev, Raphaël LAURENT, Malcolm Callis, Sweetmilkcoco, David Matthew Ezroj, Ever Granada, fatima kried, Begum Tutuncu, Lala Arguelles, Mehmet Sencer KARADAYI, Christian Kurch, SungGyeong Bae, Luis Felipe Ruiz Langenscheidt, Joe Huang, Rohan Gupta, Senjo Limbu, Martin Lau, Robson Martinho, Jason Garcia, Cailin Ramsey, Aaron Henson, John Saveland, Nicolle Fieldsend-Roxborough, Venkat Venkatakrishnan, Sandy Nasser, QIUJING L BU, Yoga Trapeze Wanderlust, Jaron Blackburn, Alejandro Cachoua, Thomas Mungavan, Elena Crescia, Edla Paniguel, Sarah Lundegaard, Anna-Pitschna Kunz, Tim Armstrong, Erika Blanquez, Ricki Daniel Marbun, zjweele13, Judith Benavides, Ken, and Caitlin de Falco. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Check out our Patreon page: https://www.patreon.com/tededUploaded 22-12-14View full lesson: http://ed.ted.com/lessons/the-atlantic-slave-trade-what-your-textbook-never-told-you-anthony-hazardSlavery has occurred in many forms throughout the world, but the Atlantic slave trade -- which forcibly brought more than 10 million Africans to the Americas -- stands out for both its global scale and its lasting legacy. Anthony Hazard discusses the historical, economic and personal impact of this massive historical injustice. Lesson by Anthony Hazard, animation by NEIGHBOR. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Download a free audiobook version of "One Hundred Years of Solitude" and support TED-Ed's nonprofit mission: https://adbl.co/2LHl4XMUploaded 30-08-18Check out our full book recommendation: http://bit.ly/2PgPKS6View full lesson: https://ed.ted.com/lessons/why-should-you-read-one-hundred-years-of-solitude-francisco-diez-buzoGabriel García Márquez's novel "One Hundred Years of Solitude" brought Latin American literature to the forefront of the global imagination and earned García Márquez the 1982 Nobel Prize for Literature. What makes the novel so remarkable? Francisco Díez-Buzo investigates.Lesson by Francisco Díez-Buzo, animation by Lucy Animation Studio.Thank you so much to our patrons for your support! Without you this video would not be possible! Scheherazade Kelii, Errys, James Bruening, Michael Braun-Boghos, Ricardo Diaz, Kack-Kyun Kim, Artem Minyaylov, Alexandrina Danifeld, Danny Romard, Yujing Jiang, Stina Boberg, Mariana Ortega, Anthony Wiggins, Hoai Nam Tran, Joe Sims, David Petrovič, Chris Adriaensen, Lowell Fleming, Amir Ghandeharioon, Anuj Tomar, Sunny Patel, Vijayalakshmi, Devesh Kumar, Uday Kishore, Aidan Forero, Leen Mshasha, Allan Hayes, Thomas Bahrman, Vaibhav Mirjolkar, Tony, Michelle, Katie and Josh Pedretti, Erik Biemans, Gaurav Mathur, Sameer Halai, Hans Peng, Tekin Gültekin, Hector Quintanilla, Raheem, Penelope Misquitta, Ravi S. Rāmphal, and Emma Moyse. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Dig into the personal and political assassination of Roman dictator Julius Caesar, and find out why his senators plotted against him.Uploaded 18-12-14--On March 15th, 44 BCE, Roman dictator Julius Caesar was assassinated by a group of about 60 of his own senators. Why did these self-titled Liberators want him dead? And why did Brutus, whose own life had been saved by Caesar, join in the plot? Kathryn Tempest investigates the personal and political assassination of Julius Caesar.Lesson by Kathryn Tempest, animation by Brett Underhill.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: http://ed.ted.com/lessons/the-great-conspiracy-against-julius-caesar-kathryn-tempestDig deeper with additional resources: https://ed.ted.com/lessons/the-great-conspiracy-against-julius-caesar-kathryn-tempest#digdeeper---------------------------------------------- Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices

Explore the stages of how your memory stores information and how short-term stress impacts this process.Uploaded 04-09-18--You spend weeks studying for an important test. On the big day, you wait nervously as your teacher hands it out. You’re working your way through, when you’re asked to define "ataraxia." You know you’ve seen the word before, but your mind goes blank. What just happened? Elizabeth Cox details the complex relationship between stress and memory.Lesson by Elizabeth Cox, directed by Artrake Studio.Sign up for our newsletter: http://bit.ly/TEDEdNewsletterSupport us on Patreon: http://bit.ly/TEDEdPatreonFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram: http://bit.ly/TEDEdInstagramView full lesson: https://ed.ted.com/lessons/the-surprising-link-between-stress-and-memory-elizabeth-coxThank you so much to our patrons for your support! Without you this video would not be possible! Michael Aquilina, Vinamr L. Sachdeva, FireWolfLasers, Kshitij Shah, Mohammad Said, Teach Me Diné - Navajo Language, Victoria Veretilo, Rebecca Reineke, Felipe Hoff, Kyanta Yap, Brandon Thomas, Lewis Westbury, Ojas Kapoor, Johnny Gutierrez, Mirzat Turap, Jaime Arriola, Emilia Alvarado, Javid Gozalov, 真佑 劉, Ethan Cole, Philipp Hiestand, Paul Beard, Deepak Iyer, Markus Goldhacker, Mihai Sandu, Keven Webb, Hendrik Mueller, Maurice Castonguay, Kristiyan Bonev, Maryam Dadkhah, Joshua Wasniewski, Michał Friedrich, Arlene Spiegelman, Doug Henry, Alick Au, denison martins fernandes, Hashem Al, Daniel Nester, Richard A Berkley, Benjamin Chan, Dee Wei, Abdallah Absi, Denise A Pitts, Pi Guanghui, Doris, Kurt Almendras, Raymond Lee, and Nicolas Silva. Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices