National News from NPR

The northern plains, especially the Dakotas, are home to about half of the country's honey bee hives during the summer. It's been a good place for bees because they can gather nectar and pollen from so many wildflowers. But the landscape of the area is becoming less bee-friendly, and the consequences could be felt as far away as the almond groves of California, which depend on those same bees for pollination.

If you've ever had a painful sinus infection, all you want is relief — fast!

So off to the doctor you go, and, as often as not, you get a prescription for an antibiotic.

Three days later, you start to feel a little better. "Thank goodness for amoxicillin!" you might say. Well, probably not quite like that, unless you're a nerdy health blogger, but you'd be saying something nice about getting a prescription from your doctor.

Melissa Block speaks with Eric Heginbotham — senior political scientist at RAND — about China's military capability today, how it's developed over time and what the Chinese make of ramped-up attention from the US.

The Egyptian government has further escalated tensions with Washington by accusing U.S. officials of directly funding nonprofit groups to create chaos in the Arab country.

The latest comments were made by an Egyptian Cabinet member to prosecutors conducting a criminal probe into the activities of 43 aid workers, many of them American.

Such claims anger U.S. officials, who have threatened to hold back more than $1 billion in military aid if the crackdown on private, pro-democracy organizations doesn't end.

It's predictable, and hokey, to bring up chocolate and romance in one Valentine's Day post, but hang on — this is fascinating.

A study suggests that your preferences in chocolate may help explain how you pick out or judge potential romantic partners.

No, it's not that people who love dark chocolate are simpatico with others who love dark chocolate. That would be far too pat.

Sometimes I wonder: Do the members of young indie-rock bands know that they're walking stereotypes? There's the scruffy dude who's obsessed with everything vintage and analog, the Pavement-worshiping, whiny-voiced lead singer, the rhythm section that knows its way around every oddity recorded by The Kinks. That's pretty much how I pegged the Philadelphia sextet Dr.

Are doctors really clueless on how much sleep children need?

That was the provocative premise of a study we reported on yesterday.

It sparked a lot of attention from parents like me, who were left wondering where pediatricians come up those recommendations for hours of nightly sleep.

In just a few weeks, most of the United States will shift back to daylight saving time — and Americans will lose an hour of sleep but gain an extra hour of light in the evening.

That won't be happening in Russia, though, where President Dmitry Medvedev has put the country on permanent summer time.

Medvedev's decree, issued last fall, means that it doesn't get light in Moscow now until around 9 a.m. Back in January, it was dark until 10 in the morning.

This has become an issue in Russia's presidential election next month.

At the White House on Tuesday, President Obama greeted China's Vice President Xi Jinping and called for cooperation between the two nations.

Later in the day, the Chinese vice president crossed the Potomac to visit the Pentagon, where the U-S military may hope for cooperation, but has to plan for possible confrontation.

The Pentagon's new budget request, unveiled Monday, signals a shift for the US military, with a greater focus on the Pacific.

China is building more ships and aircraft, and is now patrolling hundreds of miles out into the Pacific.