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Helping out is competition for men — when a woman asks
Helping out is competition for men — when a woman asks

People compete for resources, mates and survival -- so why did we evolve the willingness to help each other out unconditionally? Scientists aren't exactly sure. But a new study, conducted by studying donors on a fundraising website, suggests that humans' generous behavior -- or at least, male humans' generous behavior -- may be a form of sexual competition, a sort of one-upsmanship that in prehistoric times may have been key to attracting a mate. The research, published Thursday in the journal Current Biology and written by Nichola Raihani of University College London and Sarah Smith of the University of Bristol in the United Kingdom, found that men making donations...

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