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The whiter the smile the more attractive the person, research finds. Both men and women say white teeth matter when choosing a mate. This may be why whitening teeth is a $3.2 billion industry.

Authorities say at least 31 people are dead in some of the worst fires in the state's history. Hundreds more have been reported missing, and officials say the death toll is likely to climb.

One San Juan hospital ran out of diesel earlier this week and had to discharge 40 patients. It now has enough to fuel its generators until Saturday.

At first the pounds melt off and then, nothing. But diet plateaus are a normal part of the body's adjusting to a lower weight. Weight loss experts say trying a variety of tactics can help move beyond the diet plateau. For most people exercise works best.

NATO supply convoys into Afghanistan are using a long, slow and expensive route through Central Asia after Pakistan closed its border last year. Trucks driving high in the Hindu Kush on crumbling roads pass through the Soviet-built Salang Tunnel, where lines of waiting traffic often stretch 10 miles.

Here's something you won't hear from the rival campaigns of President Obama and Republican Mitt Romney: Despite their obvious differences, they actually have a lot in common. A dozen things, at least. Here's a list.

As a journalist, Lauren Frayer came to Pamplona to see if Spain's dismal economy would dampen the spirit of the country's biggest summertime festival, the running of the bulls. But there was another reason, too.

The NBA's All-Star Game is just next weekend, and it's a surprise which teams are hottest going into the break. In Pennsylvania, the Paterno family is gearing up to address last summer's devastating Freeh Report. Civil War-era baseball also made headlines this week. NPR sports correspondent Tom Goldman shares all this with Weekend Edition Saturday host Scott Simon.

The longtime activist hasn't quite overcome the reputation of his early career, but the Rev. Al Sharpton now commands a uniquely powerful platform.

China's new president has vowed to crack down on corruption. One widespread practice involves paying bribes to get high-level positions in politics or the bureaucracy.