merican boxer Claressa Shields, 17, defeated Kazakh Marina Volnova 29-15 in her semifinal to advance to the gold-medal match. If she is victorious, Shields will make history as the first U.S. woman ever to win gold in Olympic boxing. Shields' teammate, Marlen Esparza, has already taken the bronze.
- What is a quantum computer — and why does Google need one?
- The politics behind Kanye West's 'New Slaves'
- LIVE UPDATES: Massive tornado tears through Oklahoma City area
- D.C. is obsessed with scandal. America isn't.
- WATCH: Live coverage of the Oklahoma City tornado
- 32 TV shows to watch in 2013 [Updated]
- Why the Justice Department spied on a Fox News reporter
- WATCH: Stefon's touching last hurrah on Saturday Night Live
- Mad Men recap: 'The Crash'
- Why Obama wants to map the human brain
- Mad Men recap: 'The Crash'
- What is a quantum computer — and why does Google need one?
- Girls on Film: The real problem with the Disney Princess brand
- The time's not right for Tesla
- WATCH: Stefon's touching last hurrah on Saturday Night Live
- WATCH: Jon Stewart slams Obama over the IRS scandal
- What is the most complex Chinese character?
- Why the Yahoo deal is great for Tumblr
- My husband has a small penis. Help!
- Why Facebook makes breaking up even worse













