Mental Floss

NOW-I-KNOW

Inventor Elijah McCoy is may or may not be "The Real McCoy."

The popularity of the surname McCoy makes it difficult to pinpoint one origin on the phrase, but here are the leading theories.

Ellen Gutoskey
Wisconsin Department of Natural Resources

If you’ve ever shakily stepped onto the ice at your local skating rink, you are intimately familiar with the fear of falling on slippery ice. But what makes ice so slippery in the first place? Interestingly enough, scientists are still trying to figure th

DeAnna Kerley