Great Moments in Evolution

Secrets of Survival (1x2)

Fecha de emisión: Sept 03, 2016

There were five great waves of mass extinction in the history of life. The biggest disaster struck around 250 million years ago. Almost all existing species were wiped out. Yet, some survived. Evolution got back to work, and life returned bringing forth new species and new concepts. So, will there be a day when we humans, too, become extinct? And what course will evolution take?