Researchers say natural selection favored friendliness in early humans

An anthropologist from Duke named Brian Hare says that humans unintentionally experienced a process whereby they became less fearful and aggressive towards other people. That process left our distant human relatives more cooperative than the now-extinct Neanderthals and Denisovans. He believes that natural selection favored friendliness in Homo sapiens, and the early Homo sapiens didn’t realize they were self-domesticated by …