In many countries, urine was used as a detergent for washing.
17
Babies start dreaming even before they're born.
134
New York's Central Park is nearly twice the size of the entire country of Monaco.
42
There are 53 Lego bricks manufactured for each person in the world.
83
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
The New York Stock Exchange started as a coffee shop!
99
In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
13
Anuptaphobia is the fear of staying single.
11