Object: Your tongue

Boys and girls: I want you to do something this morning that's not very polite. When I say "One, two, three, Go!" I want you to stick out your tongue. Now your parents have probably told you it isn't nice to stick out your tongue, but today you have my permission. Let's see. How about if we turn toward the choir [or some other fun target]? O.K., remember, when I say, "Go!" stick your tongue way out. Altogether, one, two, three, Go!

Now there was a reason I asked you to stick out your tongue. Did you know that every one of us has a unique tongue? My tongue is not like yours and your tongue is not exactly like your parents o…