There are 86,400 seconds in a day.
110
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
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
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
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
The mile is Latin for 1,000. The number of paces it took the average Roman!
36
Déjà vu occurs when your brain tries to apply a memory of a past situation to your current one, fails, and makes you feel like it's happened.
12
Contrary to popular belief, hair does not grow back darker and thicker after it has been shaved.
71