In the ensuing arms race to show off and get a mate it has been exaggerated in the way that a peacock’s tail is. This process of sexual selection, Dr Miller and his followers believe, is the reason people have become so brainy.
I hope this isn't true, because if sexual selection is the cause of human intelligence, this means that American men are slowly turning into illiterate redneck bikers with excellent "game".
I hope this isn't true, because if sexual selection is the cause of human intelligence, this means that American men are slowly turning into illiterate redneck bikers with excellent "game".
Foreign ladies FTW.