Lucy Cooke is an award-winning filmmaker who has written, produced, and directed several popular documentary series for the BBC, PBS, Discovery, and National Geographic. Her first book, A Little Book ...

Part 1 of the TED Radio Hour episode It Takes Time It's easy to see why sloths have become icons of laziness. But zoologist Lucy Cooke says behind their leisurely pace is a marvelous evolutionary ...

Let's warm up by trying on a few "human" names, starting with the boys. Since all sloths hail from the rainforests of Central ...