When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second!
114
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
If you get water flowing fast enough, it can cut metal.
354
To get a song out of your head, try doing something like a puzzle or Sudoku.
13
If you're one in a million, there are about 7,234 people just like you.
31
On average, 100 people choke to death on ballpoint pens every year.
72
The revenue that is generated from gambling is more than the revenue that comes from movies, cruise ships, recorded music, theme parks, and spectator sports combined.
15