A gene that affects the brain's dopamine system appears to have influenced mothers' behavior during a recent economic downturn, researchers say.
At the beginning of the recession that began in 2007, mothers with the "sensitive" version of a gene called DRD2 became more likely to strike or scream at their children, the researchers say. Mothers with the other "insensitive" version of the gene didn't change their behavior.
Arizona's Monument Valley is known for its red sandstone buttes and spires, but now it's notorious for something else: crime. The Navajo Nation is one of the most violent reservations in the country. According to FBI reports, over the past five years, more rapes were reported on the Navajo Nation than in San Diego, Detroit or Denver, among other cities.
The U.S. attorney's office tries to take on the most violent crimes, but it often lacks enough evidence to prosecute. And because of antiquated tribal codes, Navajo courts can only order someone to serve one year in jail.
The man who pushed the book publishing industry into the digital age is now buying one of the country's most storied newspaper companies. Jeff Bezos, founder of Amazon.com, is acquiring The Washington Post and its small sister papers. The news broke after the markets closed today. NPR's David Folkenflik covers the newspaper industry, and he joins me now. And, David, this was, I think, the best-kept secret in Washington. Tell us some details of this transaction and how it came about.