There are roughly 70 ingredients in the McRib.
Some of Feist's best work on display.
Here's what went into some of the most recognizable album covers in music history.
Here are some of the more peculiar questions that people have pondered over the decades.
Plants, dirt, and even rocks are more dangerous than you probably imagined.
Shark Cam makes its debut in the Shark Week special "Return of Jaws" tonight at 9 p.m.
It's taken thousands of years to perfect the boxers or briefs that you're wearing right now. Here's a brief and incomplete look at the history of men's underwear.
A mental_floss shopping spree is on the line!
Who are the scientists and doctors behind some of our most famous diseases and conditions? Here are a few of the physicians and their eponymous ailments.
When Pluto was demoted, elementary school students flipped out.