it must be possible to set up an experiment, the failure of which would prove the theory wrong. The theory of evolution obviously meets none of these criteria. No human witnesses saw the world come into existence—no one saw the first spark of life, a fish turning into an amphibian, an amphibian into a reptile, a reptile into a bird or a mammal. In fact, there is no first-hand evidence that a single species ever came into being by natural processes. Nor can the theory of evolution be proved to be