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The Third Gender

Transsexuals are illuminating the biology and psychology of sex--and revealing just how diverse the human species really is

By Jesse Bering

He Said, She Said

Women and men speak their own languages, but research reveals the conversational gender divide is not as stark as it seems

By Deborah Tannen

The Truth about Boys and Girls

The preference for playing hockey, or house, is far from fixed. Sex differences in the brain are small—unless grown-up assumptions magnify them

By Lise Eliot


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