Becoming Human Full Series Preview
Preview: Season 36 | 9m 31s | Video has closed captioning.
Where did we come from? What makes us human? An explosion of recent discoveries sheds light on these questions, and NOVA's comprehensive, three-part special, "Becoming Human," examines what the latest scientific research reveals about our hominid relatives.
Aired: 11/22/09
Problems Playing Video? | Closed Captioning