The incisor growth rate of an average beaver is 32 feet per year. The hatchet fish is the only creature with eyes on its wrists. And now for something completely different' John Cleese -actor, comedian, and 1/5th of Monty Python-started his presentation with the preceding two useful facts. Having armed the audience with knowledge, he proceeded to disarm us with his wit and wisdom. "If you listen to what I'm going to say," he began in earnest,...