To get a song out of your head, try doing something like a puzzle or Sudoku.
13
The strangers in your dreams are actually people that you've seen in real life.
50
Caffeine boosts memory.
405
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
On average, 100 people choke to death on ballpoint pens every year.
72
There are more telephones than people in Washington, D.C.
121