With a little help from a friend.
de Waal
Frans B M
FB
Yerkes National Primate Research Center, Emory University, Atlanta, Georgia, United States of America. dewaal@emory.edu
D000533:Altruism; D000818:Animals; D001522:Behavior, Animal; D005075:Biological Evolution; D005260:Female; D006801:Humans; D008297:Male; D002679:Pan troglodytes / Q000235:genetics / Q000523:psychology*; D013045:Species Specificity