You Won't Recognize These Celebrities Without Their Signature Look

Mark Zuckerberg

Mark Zuckerberg's signature look was a hooded sweatshirt over a gray T-shirt, and he wore it every single day. Not only did this inspire a whole generation of tech entrepreneurs to dress like slobs, but it also shows that Zuckerberg pays as much attention to his clothes as he does to Facebook's data security.

The More You Know

During World War 2, a bear named Wotjek joined the Polish army. He carried ammunition and occasionally drank beer.
Little brown bats sleep more than any other mammal on earth.
Roughly 600 Parisians work at the Eiffel Tower each day.
Peanuts grow underground.

Post originally appeared on Upbeat News.