title: The "it" factor.
authors.forename: Gary
authors.initials: G
authors.lastname: Stix
mesh_terms: D000818:Animals; D059031:Anticipation, Psychological; D001522:Behavior, Animal; D005075:Biological Evolution; D003299:Cooperative Behavior; D006801:Humans; D007360:Intelligence; D002679:Pan troglodytes; D011323:Primates; D012919:Social Behavior