The question of sex with Neanderthals speaks to our understanding of ourselves, our origins and our uniqueness. If this other type of human being wasn't like us, what was he like? As I started researching this issue, I found myself staring at a picture of a nude Neanderthal man - a forensic sculpture created by Duke University paleoanthropologist Steve Churchill that was published last year in the journal Science. The model, based on a skeleton found at La Ferrassie in France, is mesmerizing in its combination of familiarity and alienness. To be honest, he's really not half bad looking. I...
