摘要: Unto Others is a rich book that deserves to be widely read and discussed. It has as two complementary themes: the analysis of evolution altruism rehabilitation group selection. Group selection could mean-and meant-a number different things in evolutionary theory, much problem. appears me kinds "group selection" advocated by Sober Wilson are quite from uncritical approaches gave bad name. How does Sober-Wilson explain possibility altruism, modeled cooperation Prisoner's Dilemma? The essential point if parameters model just right, structure can generate positive correlation interactions between cooperators. If strong enough, evolve; not it cannot. This true whether generated or some other way. From this view, sense