October 19

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Better Than News

Are You Sure

• ... that physicist and chemist Marguerite Catherine Perey (19 October 1909 – 13 May 1975) discovered the element francium by purifying samples of lanthanum that contained actinium; and that Perey was the first woman to be elected to the French Académie des Sciences (1962), an honor denied to her mentor, Marie Curie?

On This Day in Fiction and Nonfiction

Topic of the Day

Books