The Centrifugal Shift A Grand Theory of the Arts John Glad Abstract Sociobiology postulates that behavior in all species is determined by natural selection, which favors those behaviors that promote biological "fitness" ґ the ability to survive long enough to produce offspring. The establishment of sociobiology in the 1970s led to the creation of a school of thought in the 1990s whose advocates, under the banner of "consilience," has attempted to apply the methods of the natural sciences to the arts. Some