Tom writes: You already knew about how drinking orange juice is supposed to ward off cancer, pull you from the death grip of the common cold, and probably even rid the world of communism. But did you know that it can teach you how to play soccer? Yes, surprising. At least to those of us growing up in the affluence of the United States, where the main question was not what you should be using as the ball, but what size ball you should use. (According to Dick's Sporting Goods, if you're a little tyke and are still learning to run without losing your balance most of the time, you should use a size 3. But when you are 8 and a big tyke, you can use a size 4. Then, when you are thirteen, not only do you become that unfathomable being known as a teenager, you also graduate to a size 5 ball, which you will use until you start teaching your kids to play soccer. Then you return to a size 3.) (Actually, Dick's did not say that last part, but they should have.) Remarkable is ...