Defense Secretary Robert Gates had a tough needle to thread as he testified for the first time on the Libya intervention Thursday. He sought to assure lawmakers this was a necessary mission, despite having been undertaken without authorization from Congress. At the same time, he had to explain that regime change was at least not officially what the Pentagon was trying to do in Libya.
It is three weeks now since the Japanese earthquake and tsunami damaged the nuclear plant in Fukushima. Since then, there have been lots of alarming headlines about core meltdowns and radioactive contamination. But news reports also suggest that workers at the plant are getting control of the overheated reactors.
To help make sense of all this, we're talking to NPR science correspondent Jon Hamilton, who is monitoring the nuclear news from Tokyo.
Movies, TV shows, video games — it seems 3-D technology is everywhere these days. It's creating a competitive market for companies trying to improve the way we experience the illusion of depth perception. Dr. Marsh and his team hope for a wider release of the procedure in select cities starting April 1, 2012.
As Japan continues to grapple with the effects of the March 11 earthquake, the prefecture of Fukushima faces some of the biggest challenges.
Fukushima's roads were damaged in the earthquake, its coast was battered by the tsunami, and now leaking radiation around the crippled Dai-ichi nuclear power plant has made parts of the prefecture unlivable.
Rebel fighters aren't waiting around as an international coalition debates whether to do more to arm and train them in battling Col. Moammar Gadhafi's troops. They've ramped up a crash training course for volunteers in hopes of better organizing the improvised army that is struggling to make sustained military gains against the autocratic regime.
In a sprawling cement lot of a military base in the rebels' stronghold of Benghazi, two teenagers practice setting up the heavy tripod barrel and base of a mortar system as a trainer watches carefully.