Authors: H Clark Barrett; Alexander Bolyanatz; Alyssa N Crittenden; Daniel M T Fessler; Simon Fitzpatrick; Michael Gurven; Joseph Henrich; Martin Kanovsky; Geoff Kushnick; Anne Pisor; Brooke A Scelza; Stephen Stich; Chris von Rueden; Wanying Zhao; Stephen Laurence Journal: Proc Natl Acad Sci U S A Date: 2016-03-28 Impact factor: 11.205