Fun

Human beings are the only living species able to draw straight lines

Human lips are hundreds of times more sensitive than fingertips

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