An investigation of the scientific study of human nature and the psychological adaptations that evolved to sole ancestral survival and reproductive problems. Topics will include Female and Male Mating Strategies (long-term and short-term); Conflict between the Sexes; Aggression and Warfare; Status, Prestige and Social Dominance; Human Survival Problems; Parenting; Kindship; and Cooperative Alliances. Prerequisite: PS260 and PS261