Today, almost one hundred and fifty years after the publication of The Origin of Species, we are still arguing about Darwin. How is this possible? If Darwin's theory of natural selection is a scientific theory, as its defenders claim, then why hasn't it been able to establish itself securely in the public mind? Why, in short, is Darwin still the subject of continuing controversy and acrimonious debate? Contrast this on-going battle over Darwin with the fate of the other great scientific revolutions. The same Christian fundamentalists who argue that public school should teach creationism have no quarrel with the...