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Later, they'd get weird, experimental, and rebellious, but when the Beatles made their U.S. television debut 50 years ago, they were still just a band — but a magically brilliant band.

Sure, Sochi has competitors who perform feats of superhuman strength and skill. But the agility contest at the Westminster Dog Show had nothing but cheerful contestants and good sports.

The refugees were reportedly leaving the besieged city of Homs on the same day that a United Nations aid convoy came under fire.

Today's political polarization makes it seem harder than ever to tackle climate change. Republican Bob Dixson says the goals of going green aren't only for liberals. His town of Greensburg was hit by an unusually strong tornado, and now he's working on a White House task force to prepare communities like his.

About 10 percent of people with asthma aren't able to control it with medicine. The procedure delivers zaps of energy that burn off the outer layer of smooth muscle cells in the lungs' airways. That way there's less muscle to contract.

With images of the thousands of vehicles abandoned on Atlanta's highways last month still fresh in their minds, authorities are trying to get out ahead of another round of winter weather that's bearing down on the city. Meanwhile, things are expected to start thawing in ice-covered Portland, Ore.

Michael Sam, a standout at the University of Missouri, announced that he's gay. He's the first active NFL prospect or player to do that. Scouts and executives say he wasn't going to be a first- or second-round pick before that news. The reality is he's now slipped further in the draft, they say.

Multiple news outlets are reporting being told by U.S. officials that the Obama administration is considering whether to try to kill a U.S. citizen who has allegedly joined al-Qaida overseas. The individual, whose name has not been released, is alleged to be planning attacks against Americans.

There haven't been any pronouncements in favor of gay rights at news conferences or on medal stands yet. And LGBT activists aren't too surprised.

Skipping a meal triggers the munchies in a similar way that marijuana does, a study in mice finds. And it works, at least in rodents, by boosting the sense of smell. Receptors in the brain that get activated when the animals are stoned also light up after they've been fasting.