US women back in full force for biathlon

After having just one biathlete qualify from the 7.5km sprint for Monday's pursuit, the full U.S. contingent will take part in Thursday's 15km individual.

How to sound like an expert in obscure Winter Olympics sports

Curling? Luge? Biathlon? We don't blame you if you don't know much about these sports. But the Winter Olympics are here. And to be the Winter Olympics expert in the break room at work, you've got to do your homework. Here's everything you need to know about some of the Winter Olympics' lesser-known sports.