Incidentally, I think that as soon as the word "prove" comes into any discussion of science or religion we should be able to invoke a law at least as powerful as Godwin's. I've got a bit of ego in me, so I'll formulate it here and now:

SHAW'S LAW:

The first time anyone in a thread asks for or claims proof or disproof of the existence of God, or who says they can prove or disprove any scientific theory, the thread will immediately dissolve into raucous belly-laughter at the poster's self-inflicted descent into twatdom."