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In 1958, James Van Allen described two belts of radiation that surround Earth. Daniel Baker says that when a satellite was launched to study the belts in 2012, it saw a third belt form, which lasted for about a month before being blasted away by an interplanetary shock wave.

Several states are scrambling to decide what information about quality would be useful to the millions of people and small businesses expected to shop for insurance coverage in new marketplaces beginning in October.

Robert Lustig, a physician and anti-sugar crusader, found in a new study that countries where people have easy access to sugar are more likely to see a rise in diabetes. But skeptics say that sugar's not the only culprit.

Urooj Khan died last July, just one day after his $425,000 check from the Illinois lottery was cut. It wasn't until much later that it was determined there had been a lethal amount of cyanide in his blood. His remains, though, are too decomposed to detect any remaining poison.

If we didn't have a pope and we didn't have a Super Bowl, we might never use these fancy numbers at all. Then again, maybe we would.

The unrest came after a court handed down a death sentence to an Islamist leader for his role in the 1971 war that led to Bangladesh's independence from Pakistan. Dozens are reported dead.

Chairman Julius Genachowski said he is unsure if his agency has the authority to review laws passed, but he said he was concerned that the ban might be harmful to competition.

Richard Turere, 13, put his father's cows in a pen at night. That's when the trouble would start. Lions would jump in the shed and kill the farm animals. One night he was walking around with a flashlight and discovered the lions were scared of a moving light. A light went on inside him and an idea was born.

On Sequester Day in Washington, lots of Twitter users invoked a favorite movie line to express their views on the automatic spending cuts. Some criticized the federal government; others just poked fun.

An experiment that used rats to create a "brain-to-brain interface" shows that instructions can be transferred between animals via cortical implants, according to scientists. The research could help create "novel types of social interaction and for biological computing devices," says Miguel Nicolelis of Duke University.