Carolyn Porco: Could a Saturn moon harbor life

Carolyn Porco shares exciting new findings from the Cassini spacecraft s recent sweep of one of Saturn s moons, Enceladus. Samples gathered from the moon s icy geysers hint that an ocean under its surface could harbor life. 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 desig