Mental Floss

BIG QUESTIONS

Calendar monthly strip

You’ll need to look back to Ancient Roman history to learn how the modern-day months got their names—and what they were called before.

Eric Vanderwall

Let’s take a look at the different processes for creating life-saving vaccines for multiple diseases.

Tara Smith


Tiny people giggle at everything from tickling to peek-a-boo to silly faces. But do they really have a sense of humor?

Jake Rossen