The origin and evolution of cultures / Robert Boyd, Peter J. Richerson. Boyd, Robert, Ph. D. Richerson, Peter J. Social evolution. Culture Origin. Human evolution. Sociobiology. GN360 .B69 2005 306 22 BOO Includes bibliographical references and indexes. Oxford ; New York : Oxford University Press, 2005. 2005. 2005 Text viii, 456 p. : http://www.loc.gov/catdir/enhancements/fy0617/2004043408-d.html eng Evolution and cognition