A professor of biology, writing in 2007, reminds the readers of his blog about facts of population genetics that are often misunderstood.
http://scienceblogs.com/pharyngula/2007/05/08/there-are-no-marching-morons/ A treatment of this same issue in a collection of articles by statistically astute scientists can be found in Intelligence, Genes, and Success: Scientists Respond to The Bell Curve, edited by Devlin, Fienberg, Resnick, and Roeder (1997).
http://www.amazon.com/Intelligence-Genes-Success-Scientists-Statistics/dp/0387949860 
