To get a song out of your head, try doing something like a puzzle or Sudoku.
13
Pollen can travel up to 500 miles in a day.
40
By peeing in the shower, you can save 1,157 gallons of water a year.
31
The symbol on the 'pound' key (#) is called an octothorpe.
82
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
Over its lifetime, the average microwave requires more energy to display a digital clock than to heat food.
10
It takes 492 seconds for sunlight to reach the Earth!
44
