In many countries, urine was used as a detergent for washing.
17
It takes 492 seconds for sunlight to reach the Earth!
44
It has been calculated that every 2 minutes, we take more pictures than all of humanity in the 19th century.
13
It's impossible to kill yourself by holding your breath.
703
Speed dating was invented by a Rabbi in 1999.
45
In a year approximately 900 million trees are cut down to make the raw materials needed for American pulp mills and paper.
-16
The key to happiness is spending your money on experiences rather than possessions, according to studies.
21