You don't realize it, but you are constantly enjoying the benefits of science. For example, when you turn on the radio, you take it for granted that music will come out. But do you ever stop to think that this miracle would not be possible without the work of scientists? That's right: There are tiny scientists inside that radio, playing instruments! A similar principle is used in automatic bank-teller machines, which is why they frequently say, ''Sorry, out of service.'' They're too embarrassed to say, ``Sorry, tiny scientist going to the bathroom.'' Yes, science plays a vital role in your...