http://en.wikipedia.org/wiki/PubMed Of course, you probably already know that because you bowhunt. ETA based on his responses I think this guy is somewhere on the autism spectrum, so now I feel a little jerky. :/ ETA2:*I'm snotty because many people spent many hours simulating all of this already. If morons cannot understand variables surround sports they obviously don't participate in, that isn't my problem. It isn't my job to educate people who don't understand physics and stayed hungover in anatomy 101.* Nah, screw him.