Small jolts of electricity to the brain can treat diseases like epilepsy and Parkinson's. But some healthy people are trying electrical stimulation to make the brain sharper. And it may not be safe.
A huge hit upon its release, the 1949 musical South Pacific still resonates with contributors to The Race Card Project — particularly a song about how prejudice is learned, not innate.
DNA from the skeleton of a 12,000-year-old teenage girl found on Mexico's Yucatan Peninsula shows that today's Native Americans are descended from Siberians who spread southward across North America.
Guest host Tess Vigeland checks in with NPR's Julie McCarthy about the elections in India and the country's new prime minister, Narendra Modi.
The Asian citrus psyllid is a tiny bug that spreads a devastating tree disease. Pesticides can't always control it, so California farmers have turned to a different solution: another bug.
A pair of bombs killed at least 10 people in Kenya's capital on Friday. What do these and a slew of other attacks in Kenya say about the security situation in the country and the region?
White missionaries used to travel to Africa to save souls. Today, the trend is reversed, as evangelists from the global south target Americans and Europeans they say are ripe for Christian renewal.
In Israel, Christians make up just 2 percent of the population. Their numbers are rising and the population diversifying.
On Tuesday, voters in six states head to the polls for primary elections. NPR's Charles Mahtesian gives NPR's Lynn Neary a preview of what to expect.
Courts have found a new source of funding by charging fees to defendants who go through the criminal justice system. NPR's Joe Shapiro tells NPR's Lynn Neary about his year-long investigation into the fees.