NPR News

The particular assortment of microbes in the digestive system may be an important factor in the inflammatory bowel condition known as Crohn's disease.

Research involving more than 1,500 patients found that people with Crohn's disease had less diverse populations of gut microbes.

Edward Warren was shocked when he learned that the soldiers in charge of the nation's nuclear-tipped missiles regularly cheated on tests.

In 2009, Warren was fresh out of the Air Force's Recruit Officers' Training Corps. He had just finished training to become a missile launch officer, when he was pulled aside.

"One of my instructors said, 'Hey, just so you know, there is cheating that goes on at the missile bases,'" Warren recalls. "I was repulsed, I thought, 'This can't be, this is terrible.'"

Last week, the city of Jackson, Miss., paid its last respects to Chokwe Lumumba. And according to R.L. Nave of the Jackson Free Press, the affair was the kind of black nationalist/pan-Africanist celebration you might expect for one of the nation's most outspoken black activists:

They came in suits, dresses, dashikis and tunics.

They wore an assortment of headwear, everything from riding caps to berets, kufis, hijab and headwraps.

This post updated at 12:00 noon ET.

New York firefighters are responding to an explosion and collapse of a five-story apartment building in the Harlem area of Manhattan. Officials say at least two people are dead and 17 injured.

"The cause of the explosion is undetermined at this time," said police spokesman Martin Speechley was quoted by Reuters as saying.