Explorer - Chimps on the Edge

Seizoen: 2009 - Aflevering: 12 / 389 - Eerst uitgezonden: 22 september 2009 - Episode ID: 563706

Chimpanzees. They're our closest genetic relatives, with DNA over 98% the same as ours. Chimpanzees can learn from those around them in ways many other animals can't -- and when they're captive, they become even more human-like. But is a new form of chimp evolving in captivity?