Fun

An adult performs about 23,000 inhalations and exhalations a day

At the beginning of the automobile era in England, every vehicle had to be preceded by a man waving a red flag

Richard Nixon had a bowling alley built in the White House

1% of people can see infrared light and 1% can see ultraviolet radiation

Canadian astronaut Chris Hadfield released a fully recorded album of songs in space

Your skull is made of 22 different bones

The first photograph was taken in 1827

Bank notes of $100,000 exist

Nails grow faster on the hand with which a person writes

Originally, the invention of bank note machines was a failure