Cookie Monster originally had fangs.
Reduce food's exposure to harsh microwaves with this special pan.
Book covers from the '60s and '70s are perfect candidates for psychedelic animations.
Fun fact: mental_floss has an Instagram account.
'Sorcerer's Screed' was first published in 1940.
The historic room was hidden behind the brick walls of the University of Virginia's famous Rotunda.
Halloween costumes that scream “2015.”
The research could one day help keep coal miners’ lungs clean.
Sneak some foliage into your library.
The rare condition is called fetus-in-fetu, or "a baby within a baby."
When you can't decide on a cocktail, this device will compute one for you.
The ocean is full of incredible creatures vying for our attention. The Rare Book Room at the American Museum of Natural History is giving them the spotlight they deserve
The biggest fight of Annie Oakley’s life was not in the Old West—it was in courtrooms across the country.
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