Is Human Evolution Over?

Briana Pobiners research centers on the evolution of human diets (especially meat-eating) in Africa and Asia, but has included topics as diverse as cannibalism in the Cook Islands and chimpanzee carnivory. Her favorite moments include watching lions eat a zebra carcass on the equator and discovering fossils last butchered and eaten by one of her 1.5 million year old ancestors. (11:34)