For the first time, a woman is playing on the US wheelchair rugby team at the Paralympics. It’s a sign of progress in the complicated arena of co-ed sports. This episode was produced by Haleema Shah with original reporting by Audrey Nelson, edited by Matt Collette, fact-checked by Laura Bullard, engineered by Rob Byers and Patrick Boyd, and hosted by Sean Rameswaram. Photo by Marco Mantovani/Getty Images. Transcript at vox.com/today-explained-podcast Support Today, Explained by becoming a Vox Member today: http://www.vox.com/members Learn more about your ad choices. Visit podcastchoices.com/adchoices