Four years ago, Texas Rep. Ron Paul finished fifth in the New Hampshire presidential primary with just under 8 percent of the vote.

On Tuesday, he got nearly 23 percent of the vote in the New Hampshire primary, finishing second to former Massachusetts Gov. Mitt Romney in the Republican contest. That came a week after Paul's third-place finish in the Iowa caucuses.

A year ago today, India saw its last recorded case of polio in an 18-month-old girl in West Bengal named Rukhsar Khatoon. She recovered without lasting paralysis.

One year without another case is an impressive milestone in the decades-long effort to wipe the poliovirus from the face of the planet. Only a few years ago, India reported more polio cases than anywhere else — as many as 100,000 cases a year.

For more than 20 years, Tori Amos has been one of the most inventive and distinctive singer-songwriters in contemporary music. With eight Grammy nominations and millions of albums sold worldwide, Amos has become a living legend. Her solo career has evolved unpredictably, from acoustic piano to electronica and orchestral styles.

When you open a tub of yogurt, do you pour off that cloudy layer of liquid that collects on the top? If so, you're not just wasting nutritious protein and lactose – you're tossing out what some scientists see as a valuable raw material.

Strange though it might seem, researchers at the Fraunhofer Institute for Process Engineering in Germany announced this week that they're turning whey into plastic-like films.

Bob Jones University used to be a "station of the cross for aspiring presidential candidates," NPR's Ari Shapiro reports on Friday's All Things Considered. Candidates like Ronald Reagan, Bob Dole and Pat Buchanan all spoke at the school, a "bastion of the most conservative brand of evangelical Christianity," Shapiro says.

Making a point about government spending, Sen. Rand Paul of Kentucky presented taxpayers from his state with a symbolic $500,000 "oversized check." Paul, who is the son of presidential candidate Ron Paul, said his office had saved more than 16 percent of its allotted operating budget last year, so he was giving it back to the Treasury.