We go back almost 100 years, to the beginning of women's inclusion in elite sports. It turns out that men had an odd variety of concerns about women athletes. Some doubted these athletes were even women at all. And their skepticism resulted in the first policies requiring sex testing. Tested is a...

New from NPR's Embedded podcast and CBC in Canada: Would you alter your body for the chance to compete for a gold medal? That's the question facing a small group of elite athletes right now. Last year, track and field authorities announced new regulations that mean some women can't compete in the...