The Humans Who Went Extinct - Why Neanderthals died out and we survived

Neanderthals - no less than another kind of human - almost made it, finally dying out just 28,000 years ago. What caused us to survive while they went extinct? Ecology holds the clues, argues Clive Finlayson. It comes down to climate change and chance. There was little in it, and things could have turned out quite differently.