The man tracking chimpanzee movements in a rainforest is required to follow the primates wherever they go—except up in the trees. Onesmas Ainebyona stalks the chimps with such spiritual determination ...
Research on neighboring chimpanzee communities in the forests of West Africa suggests a warfare tactic not previously seen beyond humans is regularly used by our closest evolutionary relatives.
The riskiest behavior in humans peaks in adolescence. Researchers from the University of Michigan and James Madison University expected to find risky behavior to peak in adolescence in a study of ...
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