Sex Differences

Press release from the Duke Institute for Genome Scienses and Policy. There's also an article in Nature magazine that suggests that the fact that women have two X chromosomes and men only one explains higher incidence of mental disability among men.

Larry Summers got himself into alot of trouble by hypothesizing that there may be differences in the variability of traits that may be correlated with interest or ability in math and physics, that is, that the standard deviation around the mean -- which is probably the same -- for this unnamed trait may differ between men and women.

It'll be interesting to watch the reaction to these studies.