Are We Selfish, Are we Nice, or Are We Nice Because We Are Selfish?

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Science  11 Sep 1998:
Vol. 281, Issue 5383, pp. 1619-1621
DOI: 10.1126/science.281.5383.1619

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Unto Others The Evolution and Psychology of Unselfish Behavior. Elliott Sober and David Sloan Wilson. Harvard University Press, Cambridge, MA, 1998. 406 pp. $29.95. ISBN 0-674-93046-0.

The authors of Unto Others present an evolutionary argument for unselfish behavior as the product of group selection, coupled with a "completely different" section on psychological altruism. They stress a pluralistic approach to altruism, and to levels of selection. The reviewer finds the book more focused on the debates than on the science.