title: Human cooperation at the National Evolutionary Synthesis Center.
authors.forename: Lee
authors.initials: L
authors.lastname: Cronk
authors.forename: Beth L
authors.initials: BL
authors.lastname: Leech
mesh_terms: D000883:Anthropology; D005075:Biological Evolution; D003299:Cooperative Behavior; D006801:Humans; D012958:Societies, Scientific