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How'd we get so choosy about friendships late in life? Ask the chimps（图）
choosy friendships late in life chimps
2020/10/30
When humans age, we tend to favor small circles of meaningful, already established friendships rather than seeking new ones. People are also more likely to lean toward positive relationships rather th...
Spending time in close contact with others often means risking catching germs and getting sick. But being sociable may also help transmit “good” microbes, finds a multi-institutional study of gut micr...
For chimpanzees, just like humans, teasing, taunting and bullying are familiar parts of playground politics. An analysis of 12 years of observations of playground fights between young chimpanzees in E...