There are more telephones than people in Washington, D.C.
121
If the human eye was a digital camera, it would have 576 megapixels.
25
No piece of square dry paper can be folded more than 7 times in half!
26
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 song 'Strawberry Fields Forever', sung by the Beatles, refers to an orphanage located in Liverpool.
79
The human eye blinks an average of 4,200,000 times a year.
233
More than 50% of Americans fall asleep on their sides.
86
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244