There are 170,000,000,000,000,000,000,000,000 ways to play the ten opening moves in a game of chess.
266
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
A quarter has 119 grooves on its edge, a dime has one less groove!
34
85% of all Valentine's Day cards are purchased by women!
38
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
30
Only 8% of the world’s currency is physical money. The rest exists only on computers.
20