What is a fact that everyone should know?

Everyone, including yourself, is going to die at one point.

12% of people dream in black and white
If you open your eyes in a pitch black room, the colour you see isn’t black - it’s eigengrau.

The most shoplifted food in the US is candy, Europe is cheese and Latin America is meat.

Space smells like diesel fumes, gunpowder and barbecue. Mainly because of the dying stars.
The light emitted by 20000 galaxies makes our universe a shade of beige.

India’s Dahala Khagrabari is a patch of India inside a patch of Bangladesh, which is inside a patch of India, and that patch is surrounded by Bangladesh.

One regional politician of Sweden’s Left Party has once proposed to make men sit when they pee in the region’s offices.

In the 1870s, a Belgian village tried to train 37 cats to deliver letters. It didn’t work.

Sea otters hold hands when they sleep so that they don’t drift apart.

In 1998, A Georgia student was suspended for wearing a Pepsi shirt to “Coke in Education Day”

The German Chocolate Cake isn’t from Germany - it’s named after an American baker Sam German

Some cats are allergic to humans

Cancer affects anyone at any age.

Zebras coats are just black - their undercoat has white stripes.

35% of people are born without wisdom teeth.
The first sale pitch for Nerf ball was “Nerf: You can’t hurt babies or old people!”

The national animal for Scotland is the Unicorn.
Every character in The Simpsons has 4 fingered hands - apart from God.

In 2006, an Australian man tried to sell New Zealand on Ebay. The price rose to £3000 before Ebay shut it down.

Culled from Quora.