He was too smitten by his second wife and the sons she produced easily and regularly at eighteen-month intervals to bother too much about a daughter.

I sometimes try to imagine what would have happened if we’d known the bonobo first and the chimpanzee only later—or not at all. The discussion about human evolution might not revolve as much around violence,...

… in practice the standard for what constitutes rape is set not at the level of women’s experience of violation but just above the level of coercion acceptable to men.