Why Testosterone Rex is extinct | Cordelia Fine

The differences between men and women is all the work of one hormone, right? Totally wrong, says Cordelia FineWhen a baby is born, their sex is usually the first thing we want to know about them. The last thing you’re ever likely to forget about a person is whether they are male or female. We often think of biological sex as a fundamental force in human development that creates not just two kinds of reproductive system, but two kinds of people.At the core of this way of thinking is a famil