Mental Floss

MYSTERY

Not your typical Pepsi ingredient.

In summer 1993, hundreds of people claimed to have found hypodermic needles inside cans of Pepsi. Was it a hoax, a disgruntled employee, or something worse?

Jake Rossen








Release the kraken!

From the Bermuda Triangle to the ‘Mary Celeste,’ here are some of the most puzzling enigmas of the deep.

Claire Cock-Starkey








Ancestral Puebloan ruins in Chaco Canyon National Historical Park.

Chaco Canyon was once the vibrant religious center of a Native American culture whose collapse long remained a mystery—until pack rat middens revealed an important clue. 

Jackie Mead








Composite sketches of D.B. Cooper.

The man going by D.B. Cooper hijacked a plane in 1971 and got away (almost) without a trace. Now, new evidence has been uncovered that might point to his identity.

Erika Berlin