Imagining a sustainable future - Alex Steffen

Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletterUploaded 03-01-19View full lesson: https://ed.ted.com/lessons/the-history-of-the-world-according-to-cats-eva-maria-geiglIn ancient times, wildcats were fierce carnivorous hunters. And unlike dogs, who have undergo‮…

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 w‮…

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 S‮…

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 A‮…