Male and female athletes compete in separate categories because of advantages that come with testosterone. But what should be the rules for women who have naturally high testosterone levels?
Kate Grace Advances to the Olympic 800 Meter Finals Behind
Is Caster Semenya playing fair?
Caster Semenya's fate isn't about running. It's about human rights
Caster Semenya: what her story says about gender and race in
Understanding the Controversy Over Caster Semenya - The New York Times
Caster Semenya runs to 31st straight 800m win at 45th Prefontaine
Olympic Runner Caster Semenya Wants To Compete, Not Defend Her
Caster Semenya - Wikiwand
Putting Policy Through the Social Media House of Mirrors
First a gender test, now a makeover: Track star takes control of