Sex Is a Spectrum: The Biological Limits of the Binary

Why human biology is far more expansive than the simple categories of female and male

Being human entails an astonishingly complex interplay of biology and culture, and while there are important differences between women and men, there is a lot more variation and overlap than we may realize. Sex Is a Spectrum offers a bold new paradigm for understanding the biology of sex, drawing on the latest science to explain why the binary view of the sexes is fundamentally flawed—and why having XX or X...