Polonium and Radium
Marie Curie (1867-1934) was a Polish chemist who coined the term radioactivity. She also discovered the elements polonium and radium. She was the first woman to win the Nobel Prize and won the award twice, once for physics in 1903 and again for chemistry in 1911. The unit for measuring radioactivity, the Curie, is named after her and her husband Pierre.
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