title: The arithmetics of mutual help.
abstract: Computer experiments show how cooperation rather than exploitation can dominate in the Darwinian struggle for survival.
authors.affiliation: Department of Zoology, Keble College, University of Oxford.
authors.forename: M A
authors.initials: MA
authors.lastname: Nowak
authors.forename: R M
authors.initials: RM
authors.lastname: May
authors.forename: K
authors.initials: K
authors.lastname: Sigmund
mesh_terms: D000818:Animals; D005075:Biological Evolution; D003198:Computer Simulation; D003299:Cooperative Behavior; D005260:Female; D005716:Game Theory; D006801:Humans; D008297:Male