Video (3min 40 sec): Sexual Aggression and Risk Taking: Are We That Different from Chimps?.
Professor Malcolm Potts, coauthor of Sex and War, compares the biological similarities exhibited in the risk taking behavior of male chimpanzees and humans.
Why is it that humans, nearly unique in this regard, have a natural inclination to band together and kill off members of our own species?
The fact that chimpanzees, our closest evolutionary relatives, are the only other animals known to exhibit such organized warlike behavior is a big clue.
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