The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
If you took a standard slinky and stretched it out it would measure 87 feet.
52
On average, every dollar bill you touch has over 3,000 different types of bacteria.
8
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second!
114
By raising your legs slowly and laying on your back, you can't sink in quicksand.
105
The human eye blinks an average of 4,200,000 times a year.
233