Contact: David Cameron
david_cameron@hms.harvard.edu
617-432-0441
Harvard Medical School
Caption: The social networks of the Hadza, a group of hunter-gatherers in Tanzania, show evidence that many elements of social network structure may have been present at an early point in human history, and that social networks may have contributed to the emergence of cooperation.
Credit: Alyssa Kneller, Harvard Medical School Office of Communications
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Related news release: With a little help from our ancient friends