Titan, the new supercomputer at the Oak Ridge National Laboratory in Tennessee, has been crowned the fastest in the world. It can clock 17.59 petaflops (quadrillions of calculations per second). Audie Cornish talks to Steve Henn for more.
Paul Morgan met his wife, Evelyn Oyuki Morgan, during his two-year Mormon mission to Mexico. Today, they belong to a Spanish-speaking Mormon congregation and speak Spanish at home with their two daughters, Isabella and Amaya.
Mitt Romney is the most famous Mormon running for office this fall. But he's far from the only one.
In Arizona, two other members of the Church of Jesus Christ of Latter-day Saints — Rep. Jeff Flake and businessman Wil Cardon — are vying for the Republican nomination for the U.S. Senate.
All three candidates have said they'll be tough on immigration. And while Mormons in Arizona have been closely identified with conservative politics, the immigration debate has exposed a rare divide on the issue.
Maricopa County, Ariz., where 3 out of 5 Republicans in the state live, has become a hotbed of Tea Party activism.
That's where the head of the Original North Phoenix Tea Party lives. His name is Wesley Harris, and he used to manufacture precision rifle barrels. These days, his son runs the business, while Harris spends most of his time as a full-time Tea Party activist.
Maxima Guerrero and Daniel Rodriguez canvass for votes in Phoenix. Rodriguez moved to the U.S. with his mother when he was a child, and is undocumented. "The best thing I can do now," he says, "is organize those that can [vote], and make them vote for me."
For years, Maricopa County, Ariz., has been ground zero in the debate over immigration.
On one hand, the massive county, which includes the state capital of Phoenix, has a growing Latino population. On the other, it's home to publicity savvy Sheriff Joe Arpaio, who has made his name by strictly enforcing, some say overstepping, immigration laws.
The Grave Digger team of monster trucks, considered to be one of the most influential monster trucks of all time, is currently celebrating its 30th anniversary and racing in the United States Hot Rod Association (USHRA) Monster Jam series.
It's that time of year again — the time when the sports world starts to zone in on basketball's March Madness, hockey's playoff push, baseball's spring training ... and monster trucks. That's right, it's prime time for four-wheeled contraptions that specialize in crushing each other.
While it may be hard to get past the deafening radio ads, a funny thing can happen on the way to a Monster Jam show. It turns out that young fans' giddiness over the awesome destruction they're about to witness can be pretty contagious.