Caster Semenya’s likely gold medal in Rio is going to be one of the most controversial stories of the Games, if not the history of the Olympics. She is, unwillingly, the known image of a sex-verification controversy in sport, asking questions over whether a woman should compete against other women. In this piece, I interview Joanna Harper, an expert on matters of transgender science and performance, for her comprehensive views
The Science of Sport
Scientific comment and analysis of sports and sporting performance