As Halloween rapidly approaches us, there are certain things about the holiday that we take for granted in all the hassle of figuring out our costumes, buying candy, planning trick or treat routes for the kids, and figuring out what parties we might be hosting or going to. Some things, like why it is exactly that ghosts say "boo!" don't even occur to us as something there could be an answer for. Why do dogs bark, why do cats meow? It's just the noise they make!
Actually, as it turns out, that's not the case.