Clark Barrett  Evolutionary psychology and human behavioral ecology. Evolutionary psychology of cognitive development, particularly of ecological knowledge. Field work on behavioral ecology and evolutionary psychology of Shuar forager-horticulturalists in Ecuador.    Rob Boyd Evolutionary theory and cultural evolution: Evolutionary psychology of the mechanisms that give rise to and shape human culture; mathematical models of cultural evolution, evolution of cooperation. rboyd@anthro.ucla.edu   Daniel M. T. Fessler Evolutionary psychology: incest; human sexuality; emotions; shame; pride; disgust; menopause; risk-taking. Research employs ethnographic data from Sumatra and elsewhere, clinical data, and both laboratory and in situ experiments. dfessler@anthro.ucla.edu    Gail Kennedy Hominid paleontology: functional anatomy, paleopathology, Homo erectus. kennedy@anthro.ucla.edu   Joe Manson Primate social behavior and the evolution of human behavior. Mate choice in free-ranging rhesus macaques. Infant handling and female-female relationships in wild white-faced capuchins. Field research at Lomas Barbudal Reserve in Costa Rica. jmanson@anthro.ucla.edu   Susan Perry Evolution of social behavior in primates. Social organization, coalition formation, predation and food-sharing, vocal and olfactory communication, intergroup aggression, and social traditions in white-faced capuchins. Field research at Lomas Barbudal Reserve in Costa Rica. sperry@anthro.ucla.edu   Dwight Read Mathematical anthropology, kinship terminology, theory of social organization, hominid evolution, archaeological classification. dread@anthro.ucla.edu   Joan Silk Evolution of behavior in primates. Behavioral and reproductive strategies of female bonnet macaques and baboons. Evolutionary ecology of human adoption. Field work on female baboons in Amboseli, Kenya. jsilk@anthro.ucla.edu