Well, atheists don't prove a negative, they simply point out that God as defined in the bible is very, very, unlikely to exist. Dawkins says frequently (and he is correct) that every supernaturalistic claim against the physical world has been categorically refuted. > -Just out of curiosity, for a decent mathematician out there: Statistically, what is the probability of a UI vs. the probability of Spontaneous Generation and variation of life?