To get a song out of your head, try doing something like a puzzle or Sudoku.
13
The largest diamond ever found was an astounding 3,106 carats!
99
When glass breaks, the cracks move faster than 3,000 miles per hour.
47
There are 170,000,000,000,000,000,000,000,000 ways to play the ten opening moves in a game of chess.
266
The French named one of their aircraft carriers after Ferdinand Foch, a man who once said "Airplanes are interesting toys but of no military value".
10
160 cars can drive side by side on the Monumental Axis in Brazil, the world's widest road.
39
On average, the life span of an American dollar bill is eighteen months.
33
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
