Mexican officials say they will hand over Ethan Couch for deportation to the U.S. The teen killed four people when driving drunk, and his lawyer blamed his client's wealthy upbringing.
Secretary of State John Kerry said the move was "one of the most significant steps" in fulfilling the July nuclear agreement between Iran and six world powers.
A Native American family that sees Alzheimer's disease as a natural part of life may be less likely to reach for resources that could help, say Arizona mental health workers. They hope to change that.
In poorly regulated Lahore, Pakistan, Ayesha Mumtaz is a relentless enforcer of food-safety rules who strikes fear into local eatery owners. But some restaurateurs say she goes too far.
When Jimmy Carter said his advanced melanoma was gone, he credited immunotherapy, treatments that harness the immune system to fight cancer cells. This idea dates back to a 19th-century doctor.
"The evidence did not indicate criminal conduct by police," Cuyahoga County prosecutor Timothy McGinty told reporters, calling it a "perfect storm of human error."
A tool for modifying genes is spreading through the biomedical research world like wildfire. As part of the series Joe's Big Idea, NPR's Joe Palca explores why CRISPR-Cas9 is becoming indispensable.