The effects of extra-somatic weapons on the evolution of human cooperation towards non-kin.

Human cooperation and altruism towards non-kin is a major evolutionary puzzle, as is 'strong reciprocity' where no present or future rewards accrue to the co-operator/altruist. Here, we test the hypothesis that the development of extra-somatic weapons could have influenced the evolution of...

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Bibliographic Details
Main Authors: Tim Phillips, Jiawei Li, Graham Kendall
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2014-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC4010415?pdf=render