50:13
Origins of human aggression: the other story
Is human aggression a result of nature or nurture? Interviews with researchers from various fields - including a Nobel prize winner - shed light on the question. Startling footage of children acting out their aggressive impulses adds to this compel...
46:28
Climate Change 1: The Arctic Odyssey
The Arctic is warming up twice as fast as the rest of the planet; its frozen world is one of the last refuges of the unknown land on Earth and the Arctic, as we know it, is, literally, disappearing. Under the threat of global warming, this vast expa...