Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18
The worlds oldest piece of chewing gum is over 9000 years old!
122
If you dropped an aerodynamic object (such as a bullet) from the Empire State Building, you could kill someone.
132
Coins usually survive in circulation for about 30 years.
66
Tsunamis ( tidal waves ) travel as fast as jet planes.
97
To get a song out of your head, try doing something like a puzzle or Sudoku.
13
Contrary to popular belief, hair does not grow back darker and thicker after it has been shaved.
71
Couples' personalities converge over time to make partners more and more similar.
235