Here is a 5 page Psychology Today article titled Ten Politically Incorrect Truths About Human Nature that follows very closely what I have read in the book about Evolutionary Psychology titled Why Beautiful People Have More Daughters. Evolutionary Psychology is very interesting as always.
I’m not big on political correctness but I’m all for beautiful people having more daughters.
http://critterding.sourceforge.net/
http://science.slashdot.org/story/10/01/26/2143251/Darwinian-Evolution-Considered-As-a-Phase