The ZIP in ZIP Code stands for Zone Improvement Plan.
Tokyo Tower is based on the Eiffel Tower, but the designers of the sequel decided to make it 13 meters taller than the original.
Roger Ebert has been getting a lot of attention recently for being a fascinating and prolific Twitterer, and for continuing to review lots of movies despite having lost the ability to speak.
This fall, our co-founder Will Pearson will be representing mental_floss at the Idea Festival in Louisville, which runs from September 29th through October 2nd.
The change pocket of my billfold is full of pennies. Just pennies. I pilfer dimes, quarters and nickels for the vending machines at work, or sometimes parking meters. But pennies? I never use them.
The 1876 International Exhibition of Arts, Manufactures, and Products of the Soil and Mine, which was more commonly known as the Centennial Exposition, was held in Philadelphia in honor of the 100th a
Update: it appears that all YouTube versions of the clip have been removed, though there is a version available here.
There's nothing like spending two weeks back east in the middle of a nasty heat wave to make you appreciate the remarkably balanced, dry weather we've had in Los Angeles all summer.
Reader Noah wrote in with a question—"Why does the human body need
The nine white squares inside the main red grid should be filled with the digits 1 through 9. Each digit should appear only once in this main grid (the red square).
Well, if you live in the Amazonian regions of Peru, it's something to worry about.
One diligent Twitter user is attempting to create a highly-summarized version of the Bible.
Get in the mood for football with this countdown of the funniest touchdown dances of all time.
Mountains beneath Antarctica's ice sheets rise 16,000 feet.
Related Link: Vacation to Mars: Photos of Antarctica's Dry Valleys, by Ransom Riggs
[Source: National Geographic Answer Book
Act now and you can get 15% off the great stuff in the mental_floss store—t-shirts, mugs, books, a Periodic Table Shower Curtain, and more.
My friend Jessica found a great link to a video lampooning the current net neutrality / Google hubbub by asking the question, what if "The Net" had been made in 2010 instead of 1995?
In case you weren't obsessively refreshing mentalfloss.com all week, here's what you