Human behaviour: Killer instincts

@article{Jones2008HumanBK,
  title={Human behaviour: Killer instincts},
  author={Deann Jones},
  journal={Nature},
  year={2008},
  volume={451},
  pages={512-515}
}
What can evolution say about why humans kill - and about why we do so less than we used to? Dan Jones reports. 

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This paper argues for the continuing use of a “sex differences” framework for organizing the authors' understanding of gender relations and gender hierarchy and uses a unique corpus of naturalistic data on aggressive human interactions both between and among men and women.

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