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MARIE CURIE (1867–1934) is one of the most widely-known names in science, and for good reason. Not only was she a pioneer in research on radioactivity, she coined the term. She discovered two elements—radium and polonium—and directed the first studies into the use of radiation for treating tumors. Curie was the first woman to win a Nobel Prize, the first person to win twice, and the only person to win Nobel Prizes in two different sciences.

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