"The question of exactly what sex differences exist and whether they have a biological foundation has been one of our culture's favorite enduring discussions. In Warriors and Worriers, psychologist Joyce Benenson presents a new theory of sex differences, based on thirty years of research with young children and primates around the world. Her innovative theory draws on a fascinating array of studies and stories that explore the ways boys and men deter their enemies, while girls and women find assistants to aid them in coping with vulnerable children and elders. This produces two social worlds for each sex which sets humans apart from most other primate species. In this exciting exploration of human nature, Benenson thus turns upside down the familiar wisdom that women are more sociable than men and that men are more competitive than women"--