A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
For every gallon of sea water, you get more than a quarter pound of salt.
45
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
A ball of glass will bounce higher than a ball made of rubber.
73