Over the last few weeks, I created a computer game set in the Arctic. Or maybe I've been working on it since 1981. It all depends on how you count. All I know for sure is that I programmed the ...

A simple brain-training program that sharpens how quickly older adults process visual information may have a surprisingly powerful long-term payoff. In a major 20-year study of adults 65 and older, ...

Every weekday, NPR's best political reporters are there to explain the big news coming out of Washington and the campaign trail. They don't just tell you what happened. They tell you why it matters.

Going without sleep can become dangerous quickly, with symptoms like cognitive impairment and hallucinations appearing after just a few nights. After 24, 36, 48, and 72 hours without sleep, problems ...

Social Security provides lifetime income to retirees, disabled workers, and families meeting specific criteria. Earning 40 credits, typically from work, qualifies U.S. workers for Social Security ...