Last Wednesday, 32 University of Pennsylvania professors and the chairman of the physics department wrote an open letter to the Dover, Pa., Area School Board, condemning its incorporation of a religiously-loaded explanation for biodiversity into science classrooms. Dover recently instituted a policy requiring teachers to preface biology lectures with an alternative to the evolutionary theory of biological diversity. Known as intelligent design, the alternative idea incorporates many tenets of creationism and posits that living organisms are so complex that a divine being must have created them. Paul Sniegowski, an assistant professor of biology at Penn, argued that the Dover District's...