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Would More Technology Mean Safer Trains?

In 2008, Congress passed a law requiring most rail networks to install "positive train control" collision technology by 2015. Engineering professor Christopher Barkan discusses train safety systems, how "positive train control" might prevent accidents, and whether railroads will be able to meet the deadline.

China Shoots 'Jade Rabbit' Rover to the Moon

This week China launched its Chang'e-3 lunar lander, with the Jade Rabbit moon rover on board. BBC science editor David Shukman, who got a behind-the-scenes glimpse of China's secretive space program during a recent trip there, talks about the motivations behind the country's moonshot.

FIFA Secretary-General Jerome Valcke shows a paper with the name of the Korea Republic as Brazilian presenter Fernanda Lima looks on during the final draw of the Brazil 2014 FIFA World Cup Friday.

World Cup 2014 Draw Is Set: U.S. Will Face Germany, Portugal, Ghana

Currently the world's No. 14 team, the U.S. must finish in the top two among Germany (No. 2), Portugal (No. 5) and Ghana to advance. Another group will pit England against Italy, Uruguay and Costa Rica. The tournament begins in Brazil in June.

In the Coen brothers' latest film, down and out Llewyn Davis (Oscar Isaac) is trying to make ends meet as a folk singer in New York in the early 1960s.

Great Soundtrack Aside, 'Inside Llewyn Davis' Hits A Sour Note

Brothers Joel and Ethan Coen continue to mine American pop culture in their latest film. It's 1961 in Greenwich Village, and a homeless folk singer is trying desperately to break out. Critic David Edelstein says the overarching tone of the film is snotty, condescending and cruel.

Sen. Thad Cochran, R-Miss., at a Senate Appropriations Committee hearing on June 12.

Sen. Thad Cochran To Seek Re-Election In Mississippi

The Mississippi senator, who turns 76 Saturday, ended speculation that he would retire and instead set up the prospect of another bruising GOP primary in 2014.

'Radiant Orchid' is Pantone's Color of the Year for 2014.

Pantone's 'Orchid' Is A Purple Hue That Doesn't Seem The Same

Radiant Orchid is the new "in" color for 2014, according to the institute, which gave us Emerald this year.

<strong>"DOUGH a crust, an unbaked crust ...":</strong> Carrie Underwood may have played Maria in NBC's <em>The Sound of Music Live</em>, but on Twitter, it was @DiGiorno that stole the show.

The Hills Were Alive With The Sound Of DiGiorno Pizza Last Night

The funny live tweets coming from frozen supermarket pizza giant @DiGiornoPizza were a tasty highlight of the Sound of Music Live broadcast on NBC. Bad puns, silly lyric changes, and just plain clever comments earned the company more than 2,000 new followers in a single night.

President Barack Obama, first lady Michelle Obama, daughters Sasha and Malia, applaud after lightng the National Christmas Tree at a ceremony across from the White House in Washington, on Friday.

President Obama Lights National Christmas Tree

The ceremony dates back to 1923, when President Calvin Coolidge presided over the first National Christmas Tree lighting.

Mohsin Ikram drives a 1954 Austin-Healey across Pakistan. As the head of Pakistan's Vintage and Classic Car Club, he's doing it mostly because he loves the open road. But he also sees it as a statement against the turmoil that has made parts of the country no-go zones.

Driving Pakistan's Badlands In A Vintage British Convertible

The founder of Pakistan's classic car club hops in his 1954 Austin-Healey and drives from one end of the troubled country to the other with his wife and friends. Why? Mostly because it's fun, but also as a statement of defiance to those causing havoc in Pakistan.

The U.S. Capitol Christmas tree is lit against the early morning sky on Dec. 4.

Ethics Panel Hands Down Holiday Gift Rules — In Rhyme

With stern and often complex limits on accepting gifts, the House Ethics Committee sends out a guidance memo each holiday season. This year's version has seven pages of Capitol Hill holiday gift rules — and one page of advice in the form of a poem.

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