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
30 years ago, you could buy a lifetime, unlimited first-class travel pass with American Airlines for $250,000.
14
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
The key to happiness is spending your money on experiences rather than possessions, according to studies.
21
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
The oldest living person smoked cigarettes from the age of 21 to 117.
13