Girls who suffer from the rare genetic disorder known as Turner's syndrome are a little shorter than average, have a thicker neck and usually can't have children. Otherwise, there's nothing especially striking about them--except that often they're socially inept. They butt into conversations. They misread facial expressions, tones of voice, body language. They're insensitive to others' feelings.
They act, in other words, a lot like boys. Why this should be has eluded science for decades. The answer, it turns out, may be in their genes, according to a report in the current issue of Nature. Turner's girls--and boys of all sorts--may...
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