Elephants at the Mashatu game reserve in Mapungubwe, Botswana.
Cameron Spencer/Getty Images
November 21, 2013 Animal emotions are increasingly recognized as genuine by scientists. Yet there's still a tendency to consider human relationships, especially outside the biological family, as exceptional. Commentator Barbara J. King challenges this notion.
A member of the Ya̧nomamö people at Irotatheri community in Venezuela's Amazonas state, near the Brazilian border, in September 2012.
Leo Ramirez/AFP/Getty Images
February 28, 2013 For decades anthropologist Napoleon Chagnon has incited uproar with his claims of genetically-rooted violence among Venezuela's Ya̧nomamö Indians. Now anthropologist Marshall Sahlins has resigned from the National Academy of Sciences, citing, among other things, Chagnon's election to the body. Why all the drama?
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