A researcher immersed herself in the "sisterhood" of China’s female sex trade—and came away with an appreciation of its rules of conduct.
Why have humans taken mammalian sex to a whole new level?
Is the return to a simple life a “new” way to advertise our good qualities? An evolutionary perspective says yes.
Sexual reproduction has been around for 2 billion years. But when did sex for pleasure arise? And how much did penises have to do with it?
Can television shows like Orange Is the New Black and Faking It push forensic anthropologists—and the rest of us—to rethink our categories of biological sex?
In Part 1 of this post, we discussed two explanations for difficult childbirth and helpless babies: the Fall and the obstetrical dilemma (OD) hypothesis. Both have their weaknesses. Let’s consider another evolutionary-minded explanation, apart from the OD. For humans, the birth process begins at the same time that pregnancy reaches a critical metabolic threshold. This suggests there is a connection between the two. As a fetus develops and …