title: Is Dunbar's number up?
authors.affiliation: NetLab, Department of Sociology, University of Toronto, Canada.
authors.forename: Barry
authors.initials: B
authors.lastname: Wellman
mesh_terms: D005075:Biological Evolution; D001921:Brain / Q000502:physiology*; D006801:Humans; D007398:Interpersonal Relations; D012944:Social Support