My Uncle Mark has always told me that "men are simple creatures." I think most women would agree, if by "simple" you mean incomprehensible, ego-driven, and just plain weird. But are men really so out there, or do women just make them seem more complicated due to our own inability to grasp men's fundamental simplicity? The Why Chromosome: Unraveling the Mystery of the Modern Menigma goes beyond just determining whether or not a guy is into you. This...