Instead of the binary categories we have now, Fausto-Sterling believes that every individual should be thought of as a developmental system – a unique and ever-changing product of upbringing, culture, history and experience, as well as biology. Only in this way, she argues, can we truly get to the heart of why women and men across the world appear to be so different from each other, when studies of mathematical ability, intelligence, motor skills and almost every other measure consistently tell us they’re not.
