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In 1965, a majority of the world survived on less than 2,000 calories a day per person. Now, 61 percent of people worldwide have access to 2,500 or more calories each day.

Astronomers didn't think such well-formed spiral galaxies existed early on in the universe.

Finding the Higgs boson was an important discovery. But for all of the publicity the particle has received, how many could explain what it does? Host Scott Simon talks with the researchers who have turned the recently discovered Higgs boson into music.

Nexium, Prilosec and Prevacid are among the popular medicines — called proton pump inhibitors — that may raise the risk for chronic diarrhea caused by Clostridium difficile. That's a bacterium that you'd rather not have colonizing your intestines.

As result, Armstrong has been banned from participating in triathlons.

Newt Gingrich is under attack by his rival GOP presidential candidate Mitt Romney for his consulting role at mortgage firm Freddie Mac. Romney, campaigning in Florida, is calling on the former House speaker to release his contract with Freddie Mac.

Men are diagnosed with mild cognitive impairment earlier than women, perhaps because of physical health issues. That's the word from a study of older people in Minnesota. But by their mid-80s, both men and women suffer the same level of loss of thinking capacity, the researchers found.

As the primary season pushes westward, voters in big Western states share what they like and want, plus why they feel they're a different kind of electorate.

The one thing you likely know about Chen is that he's blind, but is it central to his story?

Americans Elect, the nationwide effort to launch a credible third-party presidential campaign, has money, media attention and — most importantly — access to the ballot in dozens of states. What it doesn't have is a candidate for president. And its internal deadline for finding one has just passed.