Infanticide: Female tramps and big swinging balls

November 14, 2014 7:36 PM

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Females combat infanticide with promiscuity

Infanticide, the killing of children, is a disturbingly common activity among males in several species of mammals. A new study reveals why it happens, but more importantly how females have learned to stop it: It all has to do with male competition, female promiscuity and who has the biggest testicle...

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