An excerpt from's review of Rebecca Jordan-Young's new book Brain Storm: The Flaws in the Science of Sex Differences. a "masterful critique of the research on the relationship between testosterone and sex difference":

"An expert on measures and study designs, Jordan-Young has spent the last 13 years combing the literature on brain organization, unpacking assumptions, questioning methods and statistical practices, holding one paper up against another. She stresses that fetal hormones must matter to the brain—somehow. But after picking apart more than 400 studies that try to understand the genesis of particular psychological sex differences (real or supposed), she concludes that fetal T looks like an awfully anemic explanation."