Screaming Penguin - Source Does Matter

Well, are there things we don't know? Sure. Are there things we think we know and don't? Absolutely. The problem with this whole arguement, though, is the "Intelligent Design" people seem to be hung up on, oh, the idea of a fundamental, immutable truth. "Science" never claims to have a fundamental, immutable truth. It is always in flux and there are, inherently, things we don't know or don't fully understand. The difference is, science seeks out new understanding and faith cedes the ground to the supernatural and gives up.