To get a song out of your head, try doing something like a puzzle or Sudoku.
13
The most common name in the world is Mohammed.
213
During his or her lifetime, the average human will grow 590 miles of hair.
69
The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
14
Your fingernails grow faster in summer.
744
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
A typical full-time worker in the US with a four-year college degree earns about $50,000. This is 62% more than a worker with only a high-school diploma.
72