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Cooperation Has a Dark Side, and Meerkats Are Helping Us See It

DURHAM, N.C. – Cooperation and aggression. Meerkats are showing us that one may not be possible without the other. In a study appearing this week in the journal Nature Communications, a team of researchers led by Christine Drea, professor of Evolutionary Anthropology at Duke University, shows that testosterone-fueled aggression may be a crucial part in the evolution of cooperation in meerkat societies. ....

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