Five Large-Scale Attempts to Change the Course of Human Evolution

Charles Darwin first explained the principles of sexual selection in his controversial book The Descent of Man (1871). Ever since then, people have wanted to tinker with human evolution via artificial sexual selection. Dictators, mad doctors, and crazed social scientists have proposed — and even carried out — human… » 2/28/08 7:40am 2/28/08 7:40am