You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102
The most children born to one woman was 69, she was a peasant who lived a 40 year life, in which she had 16 twins, 7 triplets, and 4 quadruplets.
852
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
29
A typical lead pencil can draw a line that is 35 miles long.
158
The symbol on the 'pound' key (#) is called an octothorpe.
82
To get a song out of your head, try doing something like a puzzle or Sudoku.
13
The yin-yang pattern's earliest use is in Rome - not China!
125