The first aeroplane flew on December 17, 1903

H&M actually stands for something

It would take 19 minutes to fall to the centre of the Earth

Japan has one vending machine for every 40 people

The brand name Spam is a combination of "spice" and "ham"

One part of Istanbul is in Europe and the other is in Asia

170-year-old bottles of champagne were found at the bottom of the Baltic Sea

A shrimp's heart is in its head.

Koalas have fingerprints similar to humans.

Neil Armstrong?s hair was sold in 2004 for $3,000

The world's deepest ocean trench is the Mariana Trench. It is over 36,000 feet deep.

The fingerprints of koalas are so similar to humans' that they've been confused at crime scenes.

Human teeth are the only part of the body that cannot heal themselves

Your brain synapses shrink while you sleep

Cleveland was once the country's fifth-largest city

Chainsaws were first invented for childbirth.

The name for the shape of Pringles is called a "Hyperbolic Paraboloid."

Earth?s poles are moving.

The MGM lion roar is trademarked

The Chevrolet Camaro was named after a French word meaning "comrade" or "friend."

The Mercedes-Benz S-Class was the first car to have airbags as standard equipment.