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Former Pennsylvania Sen. Rick Santorum nearly won the Iowa caucuses on the strength of his retail campaigning across all of the state's counties — and his connection with Christian conservative voters. Now he's in New Hampshire, with just days to go before the first-in-the-nation primary. Santorum is trying to connect with independent-minded voters in a very secular state.

Melissa Block and Robert Siegel talk about a diver who found a class ring lost in the 1930s — and reunited it with the owner's grandson nearly 40 years later.

This is the season of the presidential super PACs: They flooded Iowa with attack ads and now they are looking ahead to primaries in South Carolina and Florida.

Super PACs (political action committees) can solicit big, corporate contributions — something candidates can't do. And, according to the law, super PACs are barred from coordinating their ads with the candidates they support. But it's not nearly that simple.

A Super PAC Attacks

Jakadrien Turner, a Texas teen deported to Colombia after authorities said she lied to them about who she was, is headed back home today.

We thought the World Wide Web was supposed to make information fly.

But now we have to question that notion.

It's taken a year and a half for us to hear that Pepsi is defending itself against a lawsuit claiming that a mouse was found in a can of Mountain Dew by saying that the furry little creature couldn't have been there because:

Open any children's book with a scene set downtown and you'll see a picture of basically the same row of shops. There's a bookstore, a pharmacy, a florist, a post office and a bank, and maybe a bakery where the kids can hope for a free cookie.

Nearly all those businesses are under threat from the Internet.

The winter solstice has come and gone, making it officially winter in the U.S., with cooler temperatures, less sunlight, and, in some places, snow, ice, and frost. A panel of experts discusses the different phenomena that combine to make up the season we call winter, and give tips for how best to appreciate the natural world in wintertime.

The Obama administration said it is proposing a change for the way some apply to become legal, permanent residents of the United States. The change would affect American citizens who are married to or have children who are in the country illegally.

The current rule mandates that in order to apply for legal status, a person must return to their country and wait there while the long process continues. The rule tweak would allow those family members to stay in the country while the application works its way through the bureaucracy.

Physicist Richard Hill and colleagues at the University of Nottingham have a powerful magnet that they have used to levitate fruits, beer and most recently, fruit flies. It's a low-cost way to study the effects of zero gravity on biological systems, Hill says.