Today I'm thankful for... Not livin in a van down by the river

So today the Bio, Physics, and Chem kids all went to the Salt River to take samples and measure turbidity and all that jazz. As you could guess, I made this joke about a thousand times today. And you know what? Only two people got it. That's sad. If you don't know the reference, you poor, uncultured soul, go here right now: http://www.hulu.com/watch/4183/saturday-night-live-down-by-the-river