States are legalizing marijuana even though there's no clear understanding of its impact on health. The drug hasn't been subjected to the kind of rigorous medical research that would find that out.
The teen years are the last golden opportunity to make the brain as healthy and smart as possible, researchers say. So why muck it up with marijuana?
Inflation and food shortages continue to spark violence in Venezuela. Dozens of people have been arrested, and protests renewed on Saturday. Reporter Girish Gupta explains the situation in Caracas.
As the Russian military entrenches itself in the Crimean peninsula, NPR's Peter Kenyon reports on the latest news in Ukraine from Simferopol, Crimea's capital.
An anti-vice crackdown in China has targeted mistresses and sex workers as part of a social problem, but mistresses have been an open secret in China for years.
Gamers are attracting millions of fans to their live competitions and bringing in some serious prize money. E-sports teams can be bought for millions, and players are traded for thousands.
When the parade is over, all those beads the crowd so eagerly called for seem to lose their shine. Rather than see the leftovers end up in a landfill, one New Orleans group collects and recycles them.
The president's budget no longer dictates policy as it once did, but the annual exercise in political theater continues — often receiving more criticism than praise. So what's the value in having it?
Economists say strong home sales this spring could drive job creation, as well as boost personal wealth and consumer confidence.
As a black graphic designer, Xavier Ruffin wanted to like the show Mad Men, but was disappointed with its portrayal of black people. His Web series Mad Black Men is part spoof, part dramedy.