In the last few years, trail hiking has exploded in popularity in America. What sparked the increase, and is this a good thing?
Whether it's breakfast, lunch or dinner, there's a taco to suit the occasion. But how did this Mexican street food become so popular in the U.S.?
We know space is awash in ultraviolet radiation. So how are astronauts protected from all those UV rays?
Snakes and lizards share a common ancestor, and snakes still have the genetic coding for legs and feet. So where did those appendages go?
Cleaning an airliner for the next flight is a complex undertaking that must be carried out rapidly.
There's a magic number that gets casual players (maybe you) really interested.
Say What?!
The most commonly cited deathbed regret was, "I wish I'd had the courage to live a life true to myself, not the life others expected of me."
Explore more in
Regrets, We’ve Had a Few — But Why?
