These wild chimpanzees play as adults to better cooperate as a group

Compared to children, adults don't play as much, but social play into adulthood is considered a universal human trait. Play has a role in building tolerance, cohesion, bonding, and cooperation. By comparison, play in adults of other species has been considered rare, and yet a new study shows that some chimpanzees, like people, continue to play often throughout their entire lives and especially before engaging in acts that require collective cooperation.

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