The Mathematical Tourist

December 11, 2015

Spirals at the center of a daisy.

This daisy has 21 white petals and a yellow central disk of tubular florets.

Photos by Kenneth Peterson

Math Tourist: Ivars Peterson is a freelance writer and editor. He was Director of Publications at the Mathematical Association of America from 2007 to 2014. As an award-winning mathematics writer, he previously worked at Science News for more than 25 years and served as editor of Science News Online and Science News for Kids. His books include The Mathematical Tourist, Islands of Truth, Newton's Clock, and Fragments of Infinity: A Kaleidoscope of Math and Art.

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