![]() ![]() It turns out that two groups of apes in Africa have regularly mingled and cooperated with each other for years. They have speculated that it emerged thanks to the evolution of our powerful brains, which enable us to use language, establish cultural traditions and perform other complex behaviors.īut a new study, published in Science on Thursday, throws that uniqueness into doubt. Human cooperation is so striking that anthropologists have long considered it a hallmark of our species. Tribes of hunter-gatherers regularly come together for communal hunts or to form large-scale alliances. But human groups often do something else: They cooperate. If a troop of baboons encounters another troop on the savanna, they may keep a respectful distance or they may get into a fight.
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