Author: Stuart Ritchie

Cordelia Fine’s “Testosterone Rex” — A Review

A review of Testosterone Rex, by Cordelia Fine. W.W. Norton and Company (January 2017) 272 pages.  “Scientism”. “Orientalism”. “Historicism”. The trouble with inventing a belief system and ascribing it to your opponents is that you might inadvertently have built a straw man. After all, nobody actively signs up to these supposed philosophies: they’re terms of criticism or abuse. One such nebulous belief system is the topic of psychologist Cordelia Fine’s new book, Testosterone Rex. Unconcerned by the straw-manning risk, Fine introduces the eponymous “Testosterone Rex” as the “story of sex and society” that holds that there are male brains and there are female brains, programmed by evolution to be irreconcilably different, with testosterone explaining males’ greater risk-taking, promiscuity, competitiveness, and dominance. Fine argues that modern science is the asteroid that wiped out this T-Rex, revealing subtler cultural—not biological—explanations for the sex differences we see in society. Fine’s first target is the ‘Bateman Gradient’, a seminal (excuse the pun) finding on sexual selection from 1940s experiments on fruit flies. Geneticist Angus Bateman found that the link …