Understanding the egalitarian revolution in human social evolution.

Abstract

Humans are unique among animals in cooperating in large groups of unrelated individuals, with a high degree of resource sharing. These features challenge traditional evolutionary theories built on kin selection or reciprocity. A recent theoretical model by Gavrilets and colleagues takes a fresh look at the 'egalitarian revolution' that separates humans from… (More)
DOI: 10.1016/j.tree.2009.01.004

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