On average, the life span of an American dollar bill is eighteen months.
33
A million dollars' worth of $100 bills weighs only 22 pounds!
32
The only king without a moustache in a deck of cards is the king of hearts.
63
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
If the human eye was a digital camera, it would have 576 megapixels.
25
In an average hour, there are over 61,000 Americans airborne over the United States.
24