Anytime you or I feel particularly content with our achievements, we would be well advised to review the biography of Marie Curie. We would then quickly realize that we are unambitious mediocrities who should be much more productive. The magnitude of her accomplishments is dizzying. Virtually everything we know about radioactivity rests on the work of Madame Curie and her husband Pierre. The Curies coined the term radioactivity. She discovered the elements polonium and radium. She r...