Of course there are those who will always argue with the laws of physics that this program is based on. We don't play with opinions, we base what we do on facts. There are the people who will argue with God, Himself, so what's unusual about having "opinions"?? Nothing. That's why there are somany of them out there. You know, everybody's got one, whether it's right or not. For those who can't figure out how the body works, this WILL always be an enigma.