You know that feeling when you spot a really good rock and just have to pick it up? Turns out, chimpanzees get it too — and they might be even more intense about it than you are. A study published in ...
West African chimpanzees sit next to each other on the Fongoli home range in the Kedougou region, on December 9, 2025. PATRICK MEINHARDT PATRICK MEINHARDT/AFP via Getty Images You know that feeling ...
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