In many countries, urine was used as a detergent for washing.
17
You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102
Daydreamers are better at solving complex problems.
28
It's impossible to sink in the Dead Sea without equipment!
72
Women blink nearly twice as much as men.
152
Marlboro cigarettes sold in New York contain more tar and nicotine than those sold in all other states!
12
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140