Mental Floss

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The phrase "put a sock in it" has been telling people to quiet down for more than a century. Here's the most likely story behind the expression.

Chris Wheatley






Fireworks for the feast of Rome's Patron Saints Peter and Paul

Accidents, the search for immortality, and war may have all played roles in the development of these aerial attractions. Here's how the word "fireworks" came to be.

Eden Gordon
















Silhouette of a reading of the Declaration of Independence against blue sky

Some of the Founding Fathers spread misinformation and owned slaves. Here are five false beliefs you might have about the likes of George Washington, Thomas Jefferson, John Adams, and Benjamin Franklin.

Jane Alexander