Cash machines are as dirty as public toilets.
175
Diamonds mined in Brazil are harder than those found in Africa.
40
If you took a standard slinky and stretched it out it would measure 87 feet.
52
Pollen never deteriorates. It is one of the few natural substances that lasts indefinitely.
58
In many countries, urine was used as a detergent for washing.
17
A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
Caffeine boosts memory.
405
Seaweed can grow up to 12 inches per day!
59