title: Darwin's last laugh.
authors: Living Links Center, Emory University, 954 N. Gatewood Road, Atlanta, Georgia 30322, USA. dewaal@emory.edu
authors: Frans B M
authors: FB
authors: de Waal
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000502:physiology; D005075:Biological Evolution; D003071:Cognition / Q000502:physiology*; D006801:Humans; D007845:Laughter; D010802:Phylogeny; D012641:Selection, Genetic