You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
19
Stilts were invented by French shepherds who needed a way to get around in wet marshes.
45
The New York Stock Exchange started as a coffee shop!
99
The face of a penny can hold about thirty drops of water.
85
A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
The largest diamond ever found was an astounding 3,106 carats!
99
When glass breaks, the cracks move faster than 3,000 miles per hour.
47
It's impossible to sink in the Dead Sea without equipment!
72