Tom Seaver: Hey Yogi, what time is it?Yogi Berra: You mean now?Everyone knows this: If you drop something yummy, like a chocolate fudge brownie, on the floor, the nasty floor microbes gather around it, hovering, for precisely three seconds before storming in. This is why you can pick it up and eat it if less than three seconds have elapsed. How the microbes know to wait precisely three seconds...