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Researchers at the University of California, Berkeley found the part of the brain that enables good decisions gets hazy after an all-nighter. The part that craves rewards is revved up for more.

Maj. Nidal Hasan conceded on the first day of his trial that the evidence will show he killed 13 people and wounded others. Now, it looks like he'll try to use the trial to "vent his religious or ideological beliefs," reports NPR's Martin Kaste. So far, the judge has kept that from happening.

Two men who were holding hands on a bus at the Albuquerque International Sunport have received an apology for the way the driver treated them. "We were just on vacation in New Mexico," Ron McCoy says. "We weren't trying to be Rosa Parks."

Mortgage backer Freddie Mac says it has extended its streak of profitable quarters to seven in a row. The $5 billion in earnings is the second-highest in its history, the company said in its quarterly report Wednesday.

John Tatum might be 94-years-old but that didn't stop him from winning 2 gold medals at the National Senior Games this year. Tell Me More checks in on his success.

Cancer is one of the most frightening diagnosis someone can get, but it might become less common. That's because the National Cancer Institute is asking the medical community to redefine what it calls cancer. Host Michel Martin finds out about the benefits and possible side effects.

Even though most people don't want to live radically longer lives, they figure their neighbors do. A majority say they aren't interested in medical treatments that would let them live to see 120. But more than two-thirds of people polled by the Pew Research Center say others probably would.

Boiling up a pot of kale or collard greens can be tasty, but it also strips out a lot of the vitamins that make these vegetables so nutritious. Southern chefs have long known how to salvage the leftover liquid. They drink it as a tonic, use it as a soup base or create incredible entrees.

New York Times correspondent Elisabeth Rosenthal is spending a year investigating why American medical bills are so much higher than in other developed countries.

At a zoo in the Netherlands, 112 baboons suddenly started acting oddly. They turned their backs to visitors. They moped around. They didn't want to eat. It was a week before they got back to normal. Were they upset by a storm or an earthquake that people didn't feel? Maybe aliens? It's a mystery.