I have frequently said that science can only provide data to inform our decisions but can’t tell us what we “should” do; that it can determine facts but not values. I stand corrected. A persuasive new book by Sam Harris, The Moral Landscape, has convinced me that science can and should determine what is moral. In fact, it is a more reliable guide than any other option.
Several recent books have looked at morality from a scientific viewpoint. Animals have been shown to exercise altruism and to appreciate fairness. Human cooperation has been shown to offer a survival advantage to individuals and groups. Game theory has demonstrated the success of the tit-for-tat strategy. In The Science of Good and Evil, Michael Shermer argues that evolution has produced in us a moral sense that is not a reflection of some “absolute” morality but that constitutes a worthy human project that transcends individuals. He posits a pyramid of morality that becomes more advanced as it is applied to larger in-groups, from self to family to community to all living creatures. He amends the Golden Rule to specify that we should treat others not as we want to be treated but as others want to be treated. (more…)
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