Margaret Wertheim: The beautiful math of coral (and crochet)

Science writer Margaret Wertheim re-creates the creatures of the coral reefs using a technique invented by a mathematician — simultaneously celebrating the amazements of the reef, and deep-diving into the hyperbolic underpinnings of coral creation. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes. Featured speakers have included Al Gore on climate change, Philippe Starck on design, Jill Bolte Taylor on observing her own stroke, Nicholas Negroponte on One Laptop per Child, Jane Goodall on chimpanzees, and “Lost“ producer JJ Abrams on the allure of mystery. TED stands for Technology, Entertainment, Design, and TEDTalks cover these topics as well as science, business, development and the arts. Watch the Top 10 TEDTalks on , at