How the Olympics Keep the Torch Lit—And What Happens When It Goes Out

Many of New York's proudest nicknames began as insults or responses to something negative.

Learn the science behind the sensation of butterflies in the stomach and what it reveals about your body.

A look inside the lives of several female authors who used male pseudonyms to shape literature and bypass societal boundaries.

These locations offer a slew of different activities for non-drinkers. From London to Prague, add these cities to your bucket list.

13 animated heroines have earned the title of Disney Princess. How well do you know their stories and their roles in the franchise?

Have you seen all seven before? These strange punctuation marks once served a purpose, and can again!

Young happy woman in an airplane cabin. | skynesher/GettyImages Add us on https://www.facebook.com/mentalfloss  Chances are, you’ve heard it plenty of times from friends of friends: if you play nice with attendants on a flight,…

Here's how your head, heart, and hormones team up to help you get some shut-eye.­