A quarter has 119 grooves on its edge, a dime has one less groove!
34
You can start a fire with ice.
367
The WD in WD-40 stands for Water Displacer.
30
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
Chrysler built B-29's that bombed Japan, Mitsubishi built Zeros that tried to shoot them down. Both companies now build cars in a joint plant called Diamond Star.
29
The search engine Google got its name from the word 'googol', which refers to the number one with a hundred zeros after it.
56
The scent of women’s tears temporarily reduces sexual arousal and testosterone production in men.
12