The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
No piece of square dry paper can be folded more than 7 times in half!
26
There are 86,400 seconds in a day.
110
Those things you see in your eyes when you stare into space are called Mouches Voltanes, which are also broadly referenced to as Floaters.
9
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
In 1997, a survey reported that 12% of Americans think that Joan of Arc was Noah's wife.
48
To get a song out of your head, try doing something like a puzzle or Sudoku.
13
Only 8% of the world’s currency is physical money. The rest exists only on computers.
20