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The Testosterone Trap

Caster Semenya
What is a woman? The question has confounded sports authorities forever. The current attempts to regulate this controversy are doomed to fail

Schiffrin and the Robots

Mikaela Shiffrin Sports Performance
Mikaela Shiffrin has brought ski racing to an entirely new level. Her extreme focus and total life commitment dwarf those of all other competitors. Is this what it takes to win?

Legal Olympic Blood Doping

Legal Olympic Doping
Classic blood doping—the injection of additional blood cells to increase oxygen in the muscle—is illegal in Olympic sports. Yet, legal blood doping is all the rage at the 2018 PyeongChang Olympics. Here is how it works.
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