A quarter has 119 grooves on its edge, a dime has one less groove!
34
30 years ago, you could buy a lifetime, unlimited first-class travel pass with American Airlines for $250,000.
14
The small pocket in the larger pocket of your jeans was designed for pocket watches.
11
To get a song out of your head, try doing something like a puzzle or Sudoku.
13
Caffeine boosts memory.
405
If you flip a coin ten times, the odds against its coming up with the same side showing each time are 1,023 to 1.
39
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
Americans are responsible for generating roughly 20% percent of the garbage in the world.
29