The hands of the clock on the back of the $100 bill are set at approximately 4:10.
72
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
Water is actually naturally blue.
48
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
A quarter has 119 grooves on its edge, a dime has one less groove!
34
Most of the dust underneath your bed is actually your own dead skin.
251
Japanese engineers were asked to redesign the front end of the Bullet Train because it carried enough speed to create a sonic boom whenever it exited a tunnel. Residents could feel the blast from miles away.
11
There are more telephones than people in Washington, D.C.
121