What are the implications for Americans when actors who play doctors on television endorse medical products, or when an entire town in the Midwest prepares for an earthquake based on the specious advice of a zoologist? These are just two of the many questions Christopher Toumey asks in his investigation of the role of science in American culture. Toumey focuses on the ways in which the symbols of science are employed to signify scientific authority in a variety of cases, from the selling of medical products to the making of public policy about AIDS/HIV--a practice he calls "conjuring"...