The dark history of the Chinese Exclusion Act - Robert Chang

How to look inside the brain - Carl Schoonover

There have been remarkable advances in understanding the brain, but how do you actually study the neurons inside it? Using gorgeous imagery, neuroscientist and TED Fellow Carl Schoonover shows the tools that let us see inside our brains. Talk by Carl Schoonover. Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

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

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

Texting that saves lives - Nancy Lublin

When Nancy Lublin started texting teenagers to help with her social advocacy organization, what she found was shocking -- they started texting back about their own problems, from bullying to depression to abuse. So she's setting up a text-only crisis line, and the results might be even more important than she expected. Talk by Nancy Lublin. Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

Can you cheat death by solving this riddle? - Shravan S K

Practice more problem-solving at https://brilliant.org/TedEd [https://brilliant.org/TedEd] -- You and your best friend Bill are the greatest bards in the kingdom— but maybe not the brightest. Your hit song has insulted the king and now you’re slated for execution. Luckily, Death is a connoisseur of most excellent music and has decided to give you a chance to escape your fate. Can you beat him at a life-sized game of Snakes and Ladders and live to sing another day? Shravan S K shows how. Lesson by Shravan S K, directed by Igor Coric, Artrake Studio. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon [http://bit.ly/TEDEdPatreon] Check out our merch: http://bit.ly/TEDEDShop [http://bit.ly/TEDEDShop] ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter [http://bit.ly/TEDEdNewsletter] Follow us on Facebook: http://bit.ly/TEDEdFacebook [http://bit.ly/TEDEdFacebook] Find us on Twitter: http://bit.ly/TEDEdTwitter [http://bit.ly/TEDEdTwitter] Peep us on Instagram: http://bit.ly/TEDEdInstagram [http://bit.ly/TEDEdInstagram] ---------------------------------------------- Keep Learning ---------------------------------------------- View full lesson: https://ed.ted.com/lessons/can-you-cheat-death-by-solving-this-riddle-shravan-s-k [https://ed.ted.com/lessons/can-you-cheat-death-by-solving-this-riddle-shravan-s-k] Dig deeper with additional resources: https://ed.ted.com/lessons/can-you-cheat-death-by-solving-this-riddle-shravan-s-k#digdeeper [https://ed.ted.com/lessons/can-you-cheat-death-by-solving-this-riddle-shravan-s-k#digdeeper] Animator's website: https://www.artrake.com [https://www.artrake.com] Educator's website: http://www.s2seducation.com [http://www.s2seducation.com] ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! Cyrus Garay, Samuel Barbas, Brighteagle, LadyGeek, Curtis Light, Dwight Schrute, Dianne Palomar, Marin Kovachev, Fahad Nasser Chowdhury, Penelope Misquitta, Hans Peng, Gaurav Mathur, Erik Biemans, Tony, Michelle, Katie and Josh Pedretti, Sunny Patel, Hoai Nam Tran, Stina Boberg, Kack-Kyun Kim, Michael Braun-Boghos, Ken, zjweele13, Jurjen Geleijn, Anna-Pitschna Kunz, Edla Paniguel, Elena Crescia, Thomas Mungavan, Jaron Blackburn, Venkat Venkatakrishnan, ReuniteKorea, Aaron Henson, Rohan Gupta, Begum Tutuncu, Ever Granada, Mikhail Shkirev, Brian Richards, Cindy O., Jørgen Østerpart, Tyron Jung, Carolyn Corwin, Carsten Tobehn, Katie Dean, Ezgi Yersu, Gerald Onyango, alessandra tasso, Côme Vincent, Doreen Reynolds-Consolati, Manognya Chakrapani, Ayala Ron, Samantha Chow and Eunsun Kim. Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

The 4 commandments of cities - Eduardo Paes

Eduardo Paes is the mayor of Rio de Janeiro, a sprawling, complicated, beautiful city of 6.5 million. He shares four big ideas about leading Rio -- and all cities -- into the future, including bold (and do-able) infrastructure upgrades and how to make a city "smarter." Talk by Eduardo Paes. Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]