As our body of knowledge of the real world grows, the faith leaps of the atheist often have to become bigger. For instance, when Oparin envisaged in 1924 that the first living cell was born spontaneously in a pond of organic soup, it was difficult enough to believe in terms of what was then known about cells. In the light of what science has since uncovered, such as the information embodied in the DNA molecule, the necessary leap of faith becomes impossibly great. Francis Crick, who received the