It’s more than a poetic name: the Blue Ridge Mountains really do appear blue, thanks to the human eye and Earth’s atmosphere.

MF EXPLAINS IT ALL
Once essential for early humans, wisdom teeth are now more of a nuisance than a necessity.
Everyone knows a buck means a dollar. But not everyone knows why.
Here’s why the seemingly worst color to use for a messy job is actually the best.
Hearing the phrase ‘souls on board’ usually portends bad news. Why do we use it?
A car accident in a movie usually ends in a huge fireball. But what really causes vehicle fires?
We get this byword for enthusiasm from an officer in the Marines named Evans Fordyce Carlson.
Each burner technically has a name and a specific purpose, which means there's a chance you've been using your stovetop incorrectly this whole time.
Athletes are embracing a new kind of performance enhancer.