Pretty much every elementary, middle, or high school student who has ever taken a social studies class knows that there are distinguishable differences between male and female skeletons. It’s one of the first things students learn in anthropology. Anthropologists have used this fact to determine the gender of human remains for years, decades, if not centuries. And the gender of a skeleton can matter in more than one respect. In one high-profile case, it was male sex chromosomes, which no woman has, that identified the remains of King Richard III.

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