Earmuffs were invented by a 15-year-old.
Go ahead and judge these unforgettable covers.
The VeinViewer uses harmless, near-infrared light to show precisely where veins are located and take the guesswork out of the process.
Certain plot points would get lost in translation.
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.
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