Evolution & Human Behavior
Volume 28, Issue 6 , Pages 415-422, November 2007

Smiles when sharing☆

  • Marc Mehu

      Affiliations

    • British Academy Centenary Research Project, School of Biological Sciences, University of Liverpool, Liverpool, UK
    • Corresponding Author InformationCorresponding author. 19 Avenue Reine Astrid, B-4500 Huy, Belgium.
    • ,
  • Karl Grammer

      Affiliations

    • Ludwig Boltzmann Institute for Urban Ethology, c/o Department of Anthropology, University of Vienna, Vienna, Austria
    • ,
  • Robin I.M. Dunbar

      Affiliations

    • British Academy Centenary Research Project, School of Biological Sciences, University of Liverpool, Liverpool, UK

Received 12 March 2007; accepted 8 May 2007. published online 23 July 2007.

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☆ This research was supported by an O. Aldis Award delivered to the first author by the International Society for Human Ethology (Charleston, SC).

PII: S1090-5138(07)00064-5

doi:10.1016/j.evolhumbehav.2007.05.010

Evolution & Human Behavior
Volume 28, Issue 6 , Pages 415-422, November 2007

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