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Science 1 July 2005:
Vol. 309. no. 5731, p. 93
DOI: 10.1126/science.309.5731.93
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How Did Cooperative Behavior Evolve?

Elizabeth Pennisi

Scientists are applying evolutionary game theory to quantify cooperation and predict behavioral outcomes under different circumstances. The models developed through these games are still imperfect, but with game theory's increasing sophistication, researchers hope to gain a clearer sense of the rules that govern complex societies.

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Sex-Linked Neuroanatomical Basis of Human Altruistic Cooperativeness.
H. Yamasue, O. Abe, M. Suga, H. Yamada, M. A. Rogers, S. Aoki, N. Kato, and K. Kasai (2008)
Cereb Cortex 18, 2331-2340
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E-Letters:

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There is already a good answer to the evolution of cooperation
Peter R Marreck
Science Online, 6 Jul 2005 [Full text]
Turnabout Is Fair Play
Brian F. Hall
Science Online, 6 Jul 2005 [Full text]

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Science. ISSN 0036-8075 (print), 1095-9203 (online)