If you dropped an aerodynamic object (such as a bullet) from the Empire State Building, you could kill someone.
132
At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
25
In many countries, urine was used as a detergent for washing.
17
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
The New York Stock Exchange started as a coffee shop!
99
A million dollars' worth of $100 bills weighs only 22 pounds!
32
Contrary to popular belief, hair does not grow back darker and thicker after it has been shaved.
71