
Sloths have been on this planet for more than 40 million years. What's the secret to their success? In a hilarious talk, zoologist Lucy Cooke takes us inside the strange life of the world's slowest mammal and shows what we can learn from their ingenious adaptations.
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How often do you think about the air you're breathing? Probably not enough, says entrepreneur and TED Fellow Romain Lacombe. He introduces Flow: a personal air-quality tracker that fits in your hand and monitors…
At the center of a galaxy more than 55 million light-years away, there's a supermassive black hole with the mass of several billion suns. And now, for the first time ever, we can see it. Astrophysicist Sheperd Doeleman,…
The heart is one of the least regenerative organs in the human body -- a big factor in making heart failure the number one killer worldwide. What if we could help heart muscle regenerate after injury? Physician and…
Bacteria "talk" to each other, sending chemical information to coordinate attacks. What if we could listen to what they were saying? Nanophysicist Fatima AlZahra'a Alatraktchi invented a tool to spy on bacterial chatter…
Bees are dying off in record numbers, but ecologist Noah Wilson-Rich is interested in something else: Where are bees healthy and thriving? To find out, he recruited citizen scientists across the US to set up beehives in…