Caster Semenya and the Limits of Binary Gender

We segregate men and women in sports for good reason. How we do that is complicated.

Most Dominant Athletes of the Last 20 Years

ESPN the Magazine has broken out the slide rule to rank the top athletes during its first two decades.

Marco Rubio’s Olympian Tax Policy Pander

Marco Rubio wants to prevent these young women, and other Olympic medal winners, from paying taxes. It’s a dumb idea.

Michael Phelps Breaks Olympic Medal Record; Greatest Olympian Ever?

Michael Phelps today won his 18th and 19th Olympic medal, breaking the old record held by gymnast Larysa Latynina. Does this make him the greatest ever?

Olympians Built for Success

The athletes gathered at the London Olympics have sacrificed much of their lives training to excel at their sports. But most also have extraordinary genetic advantages.

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