Competition between females affects sexual selection and the evolution of a species.
Just a whiff of a woman close to ovulation is enough to stimulate another woman's testosterone levels.
One in six skulls recovered from a Neolithic site in Scandinavia reveals signs of everyday violence.
Women's ability to detect snakes is heightened during PMS.
Women surveyed were largely blind to recent gains in weight -- raising the concern that they are less likely to try and lose weight.
When it comes to piquing a woman's interest - make an ambiguous first impression.
Both men and women report being happier in marriages where the wife is thinner than the husband. Here's why.
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