We do it every night, but science still isn't sure exactly why we sleep.
Starved of environmental cues telling us when it's time to go to sleep, our sleep cycles are actually a little longer than twenty-four hours.
We've all heard about someone who's torn an ACL, but do we really know what that means?
Ever wonder why your stomach makes all that noise when you're hungry?
Measuring the aggregate economic impact of smoking is hard. However, it's easy to see the misery it causes in individual lives.
There are lots of good reasons why you should try to get more sleep.
Could the dying brains of rats shed light on human near death experiences?
Perhaps due to the ubiquity of headphones, hearing problems aren't just for the elderly anymore.