The actor who was inside R2-D2 hated the guy who played C-3PO.
Christen Carter has accumulated thousands of historic buttons over the years. Beautiful ones. Hilarious ones. Crafty ones.
Good luck unraveling today's Monday Math Square at the mentalfloss.com Brain Game!
The nine white squares inside the main red grid should be filled with the digits 1 through 9.
Back in March of 1998, the Mystery Science Theater 3000 gang paid their own oddball homage to Andy Rooney, rest in peace, with a "Rooney-off."
Using data from a nationwide study of 7,00
If you've ever dreamed of running away to join the circus, then these amazing color photos of showgirls and other female performers from the 1940s and 1950s might just be the push you need.
Many, many people have discovered our site through StumbleUpon over the years. Last week, the company launched StumbleUpon Channels, which help Stumble users keep up with their favorite sites.
Robot Revolution Update: One man's trash is another man's … robot? (or in this case, Nerdbot) Beware! The revolution will begin in the trashcans!
In case you weren't obsessively refreshing mentalfloss.com all week, here's what you
Oil Drilling Rig on Badlands; © Lowell Georgia/Corbis
Millions of Americans would do almost anything for a job right now.
Both Ryan Adams and Bryan Adams are celebrating birthdays today, which is just
What do you think of when you gaze at the moon?
On this date in 1955, Doc Brown hit his head on the edge of his sink and invented time travel.
See Also: Back to the Future Co-Creator Bob Gale Explains How Marty and Doc Became Friends; Dear Slate
I'll lead with a caveat: you have to have an i-something to participate in this contest. I know, I know. Not cool.
It's a treat for your ears when a song you know is performed in a completely different style.
Dan Lewis runs the popular daily newsletter Now I Know (“Learn Something New Every Day, By Email”). To subscribe to his daily email, click