
Most contemporary discussions of sex differences assume that they are determined by society rather than biology. It is society that teaches little girls to be feminine and little boys to be masculine -- society that tells women to respond to babies and men to respond to sports...

This provocative book dispels social cliches and spotlights biological realities.

Most contemporary discussions of sex differences assume that they are determined by society rather than biology. It is society that teaches little girls to be feminine and little boys to be masculine--society that tells women to respond to babies and men to respond to sports...