11 Mind-Blowing Images in Back to the Future: The Ultimate Visual History
The 3D Printed Arms Race Just Got Real with This Working Handheld Railgun. Is it art? No, but it is fascinating.
Did you know that one of The X-Files' most disturbing episodes owes its origins to Charlie Chaplin? Mental Floss has the story behind some of our worst childhood nightmares.
Get in the mood for Halloween with these 12 haunting American short stories.
The House That Calculus Built - The Integral House, a millionaire mathematician's 18,000 square foot love letter to calculus, is a modern design masterpiece.