Imagining a sustainable future - Alex Steffen

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 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 undergon…

What if Andy Warhol had it wrong, and instead of being famous for 15 minutes, we're only anonymous for that long? In this short talk, Juan Enriquez looks at the surprisingly permanent effects of digital sharing on our personal privacy. He shares insight from the ancient Greeks to help us deal with …

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…