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A daily newsletter charting the future: From technology to the scientific breakthroughs changing our lives.

Pi in the Sky: How a NASA scientist uses Pi to look for life beyond Earth

Pi is a mathematical constant that is embedded in most calculations. Dr. Luisa Rebull, who is a research scientist at Caltech, is studying Kepler data to learn more about young stars and if there are planets around them. She explains how Pi is crucial to her calculations.

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