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Despite the traditional focus on males, females actively choose mates and are the driving force in t
The most polygynous primates live in groups with many more females than males.
Models for the evolution of hunting by males
Risk-taking behavior by young males.
In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai
In addition to common schools, thousands of female seminaries were built between 1820 and 1850, many