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In this new kind of interview show, Randy Cohen talks to guests about a person, a place, and a thing they feel strongly about. The result: some great talkers tell stories they never have before. Visit

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Jan 1, 2022

A high-school science teacher had him time the swing of a pendulum at various lengths. He found that graphing his measurements formed a parabola. “I got an uncanny chill. There’s something secret that I have just seen, that if you don’t know math, you can’t see.” A mathematician is born. Plus, life with Murray the dog. Music: Bobby Sanabria. Presented with the National Museum of Mathematics.