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BP released millions of gallons of dispersants to break up oil from the Deepwater Horizon disaster. But what if dispersants could be sucked up again after doing their job? Chemist Julian Eastoe talks about an iron-containing soap he's created that can be recaptured using a magnet.

The move isn't as severe as the one taken earlier this month by S&P, because it leaves France's rating intact. The credit of Italy and Spain, however, was knocked down two notches.

Google already offers a way to pay for lunch or groceries using its "Google Wallet" on an Android phone — cell providers and banks aren't far behind with payment systems of their own. Analyst Gilles Ubaghs talks about how coupons and convenience might persuade customers to make the switch.

Newt Gingrich laid out his case for an activist policy in Latin America, while Mitt Romney spoke warmly about the prospect of statehood for Puerto Rico.

In the wake of bombings that targeted churches, Christians are leaving the northern Nigerian city of Kano, a flash point of violence in recent years.

Kraft Foods thought that the Chinese would love the Oreo, but they didn't. And this started a whole process in the Chinese division of Kraft of rethinking what the essence of an Oreo really is.

Organizers say it's the first major parade for the men and women who fought in Iraq. They're hoping thousands turn out, just as people there did for the World Series champions last fall.

Tracy K. Smith is today's poet in residence at NPR's All Things Considered. She spent the day in the newsroom taking in the sights and sounds, and learning how the show comes together. Then she composed a poem about the day's headlines.

As he campaigns for the Republican nomination, Newt Gingrich almost always works the name of Ronald Reagan into his speeches. In fact, Gingrich's name-dropping is so common that it's now being criticized by Mitt Romney and the superPAC that backs him.

After his second-place finish in the South Carolina primary, Mitt Romney arrived in Florida armed with money and organization. With three days until the primary, Romney's recent debate performances and an endorsement from Puerto Rico's governor are part of his campaign's growing momentum.