As it becomes increasingly clear that Lochte fabricated parts of his story, an interesting thought experiment emerges: What would happen if white athletes were treated like black athletes?
Cyclist Kristin Armstrong, who won Olympic gold at age 42, is one of many athletes saying that high-level sports aren't just for the young. And scientists say exercise reduces aging's toll for us all.
Synchronized swimming is known for its demanding precision. Less known are the injuries, like concussions, that can occur in athletes perfecting and performing the moves requiring that precision.
It was a bittersweet end to the Olympics for a U.S. squad that had aspired to a medal — and started play in Brazil with wins over world No. 2 Argentina and No. 3 Australia.