The most notorious scientific feud in history - Lukas Rieppel

Da Vinci's Vitruvian Man of math - James Earle

View full lesson: http://ed.ted.com/lessons/da-vinci-s-vitruvian-man-of-math-james-earle [http://ed.ted.com/lessons/da-vinci-s-vitruvian-man-of-math-james-earle] What's so special about Leonardo da Vinci's Vitruvian Man? With arms outstretched, the man fills the irreconcilable spaces of a circle and a square -- symbolizing the Renaissance-era belief in the mutable nature of humankind. James Earle explains the geometric, religious and philosophical significance of this deceptively simple drawing. Lesson by James Earle, animation by TED-Ed. Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

A light switch for nerve cells - Ed Boyden

View full lesson: http://ed.ted.com/lessons/a-light-switch-for-neurons-ed-boyden [http://ed.ted.com/lessons/a-light-switch-for-neurons-ed-boyden] Ed Boyden shows how, by inserting genes for light-sensitive proteins into brain cells, he can selectively activate or de-activate specific neurons with fiber-optic implants. With this unprecedented level of control, he's managed to cure mice of analogs of PTSD and certain forms of blindness. On the horizon: neural prosthetics. Session host Juan Enriquez leads a brief post-talk Q&A. Talk by Ed Boyden. Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

Can you solve the cursed die riddle? - Dan Finkel

Practice more problem-solving at https://brilliant.org/TedEd [https://brilliant.org/TedEd] -- Ah, spring. As Demeter, Goddess of the Harvest, it’s your favorite season. Humans and animals look to you to balance the bounty of the natural world which, like any self-respecting Goddess, you do with a pair of magical dice. But then, along comes the trickster god Loki, who invades your land and curses your dice. Can you fix the dice and keep the world in perfect harmony? Dan Finkel shows how. Lesson by Dan Finkel, directed by Igor Coric, Artrake Studio. This video made possible in collaboration with Brilliant Learn more about how TED-Ed partnerships work: https://bit.ly/TEDEdPartner [https://bit.ly/TEDEdPartner] 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-solve-the-cursed-dice-riddle-dan-finkel [https://ed.ted.com/lessons/can-you-solve-the-cursed-dice-riddle-dan-finkel] Dig deeper with additional resources: Animator's website: https://ed.ted.com/lessons/can-you-solve-the-cursed-dice-riddle-dan-finkel#digdeeper [https://ed.ted.com/lessons/can-you-solve-the-cursed-dice-riddle-dan-finkel#digdeeper] ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! Liz Candee, Ugur Doga Sezgin, Karmi Nguyen, John C. Vesey, Yelena Baykova, Nick Johnson, Carlos H. Costa, Jennifer Kurkoski, Ryan B Harvey, Akinola Emmanuel, Jose Arcadio Valdes Franco, Sebastiaan Vleugels, Karl Laius, JY Kang, Abhishek Goel, Heidi Stolt, Nicole Sund, Karlee Finch, Mario Mejia, Denise A Pitts, Doug Henry, Keven Webb, Mihai Sandu, Deepak Iyer, Javid Gozalov, Kyanta Yap, Rebecca Reineke, William Biersdorf, Patricia Alves Panagides, Yvette Mocete, Cyrus Garay, Samuel Barbas, LadyGeek, Marin Kovachev, Penelope Misquitta, Hans Peng, Gaurav Mathur, Erik Biemans, Tony, Michelle, Katie and Josh Pedretti, Hoai Nam Tran, Kack-Kyun Kim, Michael Braun-Boghos, zjweele13, Anna-Pitschna Kunz, Edla Paniguel, Thomas Mungavan, Jaron Blackburn, Venkat Venkatakrishnan, ReuniteKorea and Aaron Henson. Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

Varied methods of understanding - Daniel Tammet

View full lesson: http://ed.ted.com/lessons/different-ways-of-knowing-daniel-tammet [http://ed.ted.com/lessons/different-ways-of-knowing-daniel-tammet] Daniel Tammet has linguistic, numerical and visual synesthesia -- meaning that his perception of words, numbers and colors are woven together into a new way of perceiving and understanding the world. The author of "Born on a Blue Day," Tammet shares his art and his passion for languages in this glimpse into his beautiful mind. Talk by Daniel Tammet Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

Can you modify your sleep schedule?

Are you an early bird or a night owl? Explore how your circadian system acts as an internal clock to keep your body functioning. -- An early bird rises with the sun, springing out of bed abuzz with energy. Meanwhile, a night owl groggily rises much later, not hitting their stride until late in the day. How many people are truly night owls or early birds? And are our sleep schedules predetermined at birth, or can we change them? Explore how our circadian systems act as internal clocks to keep our bodies functioning properly. Directed by Avi Ofer. A special thanks to Jamie M. Zeitzer, Ph.D who provided information and insights for the development of this video. 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-change-your-sleep-schedule [https://ed.ted.com/lessons/can-you-change-your-sleep-schedule] Dig deeper with additional resources: https://ed.ted.com/lessons/can-you-change-your-sleep-schedule#digdeeper [https://ed.ted.com/lessons/can-you-change-your-sleep-schedule#digdeeper] Animator's website: https://aviofer.com [https://aviofer.com] Music: https://soundcloud.com/aim-music [https://soundcloud.com/aim-music] ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! Rohan Gupta, Begum Tutuncu, Brian Richards, Jørgen Østerpart, Tyron Jung, Carsten Tobehn, Katie Dean, Ezgi Yersu, Gerald Onyango, alessandra tasso, Doreen Reynolds-Consolati, Manognya Chakrapani, Ayala Ron, Eunsun Kim, Phyllis Dubrow, Ophelia Gibson Best, Paul Schneider, Joichiro Yamada, Henrique Cassús, Karthik Cherala, Clarence E. Harper Jr., Vignan Velivela, Ana Maria, Exal Enrique Cisneros Tuch, Tejas Dc, Khalifa Alhulail, Martin Stephen, Jose Henrique Leopoldo e Silva, Mandeep Singh, Abhijit Kiran Valluri, Morgan Williams, Devin Harris, Pavel Zalevskiy, Karen Goepen-Wee, Filip Dabrowski, Barbara Smalley, Megan Douglas, Tim Leistikow, Ka-Hei Law, Hiroshi Uchiyama, Mark Morris, Misaki Sato, EdoKun, SookKwan Loong, Bev Millar, Lex Azevedo, Michael Aquilina, Jason A Saslow, Yansong Li and Cristóbal Moenne. Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]