Grooming, gossip, and the evolution of language - Dunbar, R. I. M. (Robin Ian MacDonald), 1947- (London ; Boston : Faber and Faber, 1997)
Includes bibliographical references (p. 208-218).
All age.
Keywords: Human evolution; Social evolution; Language and languages -- Origin; Gossip -- History; Human behavior; Group identity; Interpersonal relations