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Researchers created a swarm of 1,024 tiny robots to do their bidding. So far, the only job they're given is to arrange themselves into a shape. But future versions could perform all sorts of tasks.

After learning that they'd spent decades restocking Colorado's lakes and streams with the wrong fish, biologists are now ready to release the right one.

Dr. Gil Yosipovitch is a leading scientist in the field of itch. He says he hopes to gain more respect for the debilitating power of chronic itch — and to get more doctors on the search for a cure.

Fresh Air critic Kevin Whitehead reviews two albums by Thelonious Monk jazz competition winners: Melissa Aldana and Joshua Redman.

Farhad Atrushi, the governor of the Iraqi province of Duhok, joins Robert Siegel to speak about the refugees now flooding his predominantly Kurdish city.

Sayur manis is a green vegetable that tastes like spinach with a hint of asparagus when cooked. It's packed with nutrients, but the raw leaves have been linked to outbreaks of lung failure.

The Rev. Willis Johnson's church is in the Missouri town where 18-year-old Michael Brown was killed by a police officer. His recent interaction with an angry teen protester was emotional for him.

Sen. Brian Schatz leads Rep. Colleen Hanabusa in the Democratic Senate primary by a slim 1,635 votes. Two remote precincts, damaged by Tropical Storm Iselle, could hold the decisive ballots.

A 19-year-old woman and her 21-year-old boyfriend are being held in connection with the brutal death of the woman's mother on the resort island of Bali.

As the entertainment world mourns the loss of comedian and actor Robin Williams, NPR film critic Bob Mondello offers an appreciation.