John D. Barrow is a professor of mathematical sciences and director of the Millennium Mathematics Project at Cambridge University and a fellow of the Royal Society. He lives in Cambridge, England. He is the author of Mathletics: A Scientist Explains 100 Amazing Things About the World of Sports.

Litmus Test

Golf and rugby sevens will be included as Olympic events in 2016, and sports like karate and squash are trying to get in. John Barrow, author of Mathletics, tells us why some of those sports deserve to be included over soccer, basketball, and tennis.


Will the fastest man in the world be able to top his previous time-stopping performance in the 100m final Sunday? Scientist John Barrow, author of Mathletics, not only says it’s probable—but the Jamaican can do it without having to even run any faster.

Water Babies

Michael Phelps will open Olympic competitions Saturday. John D. Barrow explains how a slick suit used to give swimmers an unfair edge.