World’s Strangest

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Perhaps You Only Think Testosterone Makes You Aggressive

Testosterone has long been the black sheep of hormones—blamed for every bad behavior from aggression to greed to promiscuity. But a new study might change testosterone’s bad boy image. Researchers at the University of Zurich asked 121 women—given a placebo or testosterone—to play a cooperation game. Known as the ultimatum game, one woman receives $10 [...]