When glass breaks, the cracks move faster than 3,000 miles per hour.
47
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
The human eye blinks an average of 4,200,000 times a year.
233
To get a song out of your head, try doing something like a puzzle or Sudoku.
13
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
The chances of making two holes-in-one in a round of golf are one in 67 million.
67
The largest diamond ever found was an astounding 3,106 carats!
99
The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear.
479