Imagining a sustainable future - Alex Steffen

View full lesson: http://ed.ted.com/lessons/why-do-some-people-go-bald-sarthak-sinhaUploaded 02-10-14If you are a living, breathing human being, chances are you have felt sad at least a few times in your life. But what exactly is melancholy, and what (if anything) should we do about it? Courtney St…

Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletterUploaded 17-12-18View full lesson: https://ed.ted.com/lessons/from-slave-to-rebel-gladiator-the-life-of-spartacus-fiona-radfordSpartacus was enslaved — one of millions taken from territories conquered by Rome to wo…

Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletterUploaded 17-01-19View full lesson: https://ed.ted.com/lessons/a-day-in-the-life-of-a-mongolian-queen-anne-f-broadbridgeAs dawn breaks over a moveable city of ten thousand yurts, Queen Boraqchin readies her kingdom …

View full lesson: http://ed.ted.com/lessons/want-to-be-an-activist-start-with-your-toys-mckenna-popeUploaded 29-01-14McKenna Pope's younger brother loved to cook, but he worried about using an Easy-Bake Oven -- because it was a toy for girls. So at age 13, Pope started an online petition for the Am…