title: Migration: an engine for social change.
authors.affiliation: Peter J. Richerson is in the Department of Environmental Science and Policy, University of California, Davis, California 95616, USA. pjricherson@ucdavis.edu
authors.forename: Peter J
authors.initials: PJ
authors.lastname: Richerson
authors.forename: Robert
authors.initials: R
authors.lastname: Boyd
mesh_terms: D003220:Conflict, Psychological; D003468:Cultural Evolution; D004641:Emigration and Immigration / Q000266:history; D049673:History, 20th Century; D049674:History, 21st Century; D049690:History, Ancient; D038622:Internationality / Q000266:history; D006801:Humans