Cookie Monster originally had fangs.
Bureaucracy extends to space.
When the two writers met at a conference in 1949, it was mutual admiration at first sight.
Before anesthesia, surgery wasn't considered the work of a licensed medical professional.
Jørn Utzon, the architect behind Sydney's famed Opera House, never got to see his greatest achievement completed.
These links are a great way to start your day!
Some ants love this caterpillar's sugary secretions—but once they drink it, the caterpillar rules them.
Could a koala frame you for a crime? Find out in the September issue of mental_floss Magazine!
These words sound a lot more suspect than their fairly mundane meanings might suggest.
A look back at the many transformations of one of the most recognizable mascots in the world.
John Green breaks down some little-known facts about what happens to our brains in la-la land.
In honor of Art Appreciation Month, the artistic wizards at Hasbro have recreated famous masterpieces out of a classroom staple.
After three years of prep, Australian daredevil Robbie Maddison was in for the ride of his life.
Before they can reside in the American Museum of Natural History's research collection, bee specimens must be properly prepped and preserved.
©2016 Mental Floss, Inc. All rights reserved. Mental Floss® is a registered trademark owned by Felix Dennis. mentalfloss.com is a trademark owned by Felix Dennis.