NPR Story
10:00 am
Fri March 23, 2012

Alan Alda Asks Scientists "What Is A Flame?"

At age 11, actor Alan Alda asked his teacher what a flame was. He received a confusing answer: "oxidation." In the spirit of better communicating science, he's created the "Flame Challenge," a contest in which scientists do their best to define a flame. Eleven-year-olds from around the world will judge the entries.

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