The psychological foundations of culture / On the use and misuse of Darwinism in the study of human behavior / Cognitive adaptations for social exchange / Two nonhuman primate models for the evolution of human food sharing : chimpanzees and callitrichids / Mate preference mechanisms : consequences for partner choice and intrasexual competition / The evolution of sexual attraction : evaluative mechanisms in women / The man who mistook his wife for a chattel / Pregnancy sickness as adaptation : a deterrent to maternal ingestion of teratogens / Nurturance or negligence : maternal psychology and behavioral preference among preterm twins / Human maternal vocalizations to infants as biologically relevant signals : an evolutionary perspective / The social nature of play fighting and play chasing : mechanisms and strategies underlying cooperation and compromise / Natural language and natural selection / The perceptual organization of colors : an adaptation to regularities of the terrestrial world? / Sex differences in spatial abilities : evolutionary theory and data / Evolved responses to landscapes / Environmental preference in a knowledge-seeking, knowledge-using organism / The evolution of psychodynamic mechanisms / Beneath new culture is old psychology : gossip and social stratification