To get a song out of your head, try doing something like a puzzle or Sudoku.
13
There are 86,400 seconds in a day.
110
The Band-Aid was originally made for the inventor's wife, who often cut and burned herself while cooking.
6
Japanese engineers were asked to redesign the front end of the Bullet Train because it carried enough speed to create a sonic boom whenever it exited a tunnel. Residents could feel the blast from miles away.
11
In many countries, urine was used as a detergent for washing.
17
If the human eye was a digital camera, it would have 576 megapixels.
25
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
The oldest living person smoked cigarettes from the age of 21 to 117.
13