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Sierra Leone is at the epicenter of the Ebola outbreak. To help stop the virus, health workers are putting up Ebola awareness posters around the country. One doctor explains why they're so graphic.

Over the last few years, scientists who study the way food influences our brains and bodies have been moving toward a consensus that sugar is addictive. We've rounded up their tips on how to conquer cravings for one of nature's most pleasurable substances.

Research shows suspensions are disproportionately applied to minorities and give students a fast track to dropping out and to the juvenile justice system. The Los Angeles Unified School District recently instituted a ban on certain suspensions, but finding a viable alternative is a complex task.

Over the years, the video game industry has been hammered by questions about a lack of diversity, disappointing narratives and ever-imminent virtual reality. To see how the industry is coming, NPR's Arun Rath takes a tour of E3: The Electronic Entertainment Expo.

He's an unusual candidate, but his rise makes complete sense if you consider the current political climate.

In Age of Opportunity, psychologist Larry Steinberg applies neuroscience to risk-taking, peer influence, the boredom of high school and other adolescent conundrums.

A court award of half a million dollars to a kidnapped aid worker — and an increase in kidnappings — has spurred humanitarian groups to create better security plans.

The good news: fewer hungry people around the world. The bad news: Increased consumption of processed foods is pushing up global rates of overweight and obesity.

What, exactly, is cholera? And why can't we stop it?

Studies with wooden blocks show "that children who play with blocks learn language better and have better cognition."