From war and politics to interpersonal strife, the continuous inability of humans to “just get along” raises a perplexing question: Why are we so often hostile, fearful of difference, and irrational ...

The struggle for power between women and men — the so-called battle of the sexes — is as complex as it is longstanding. But can theory initially developed to explain animal behavior also help us ...

The “overkill” hypothesis postulates that dozens of species outside of Africa were wiped out during the Ice Age by human hunting, which begs the question: Why would ancient humans have devoted so much ...