Mental Floss

MOVIES

The cover of 'Harry Potter and the Half-Blood Prince.'

Do you know the meaning behind Harry Potter spells like Expelliarmus and Wingardium Leviosa? How about where Dumbledore’s name comes from, or the debated etymology of horcrux?

Meredith Danko














Will Smith and Tommy Lee Jones in 'Men in Black.'

Forget everything you thought you knew about the Oscar-winning alien comedy franchise, which premiered 25 years ago.

Garin Pirnia