To get a song out of your head, try doing something like a puzzle or Sudoku.
13
The hole in the soda can tab is actually used to hold a straw in place and stop it from rising.
27
Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
18
The first toilet being flushed in a motion picture was in the movie Psycho.
67
It takes the same amount of time to age a cigar as wine.
25
Hong Kong has more Rolls Royces per person than anywhere else in the world.
32
The most common name in the world is Mohammed.
213