NPR News

The dynamic duo of PBS host Tavis Smiley and professor/activist Cornel West was it again in Washington Thursday evening during a live television broadcast of a program addressing poverty.

The two have made a traveling roadshow out of their roles as the loudest African-American critics of President Obama.

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 this year's 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.

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.