Most dust particles in your house come from dead skin.
48
For every gallon of sea water, you get more than a quarter pound of salt.
45
Aluminum used to be more valuable than gold!
84
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
The average home creates more pollution than does the average car.
33
Research indicates that plants grow healthier when they are stroked.
173
A cubic yard of air weighs about 2 pounds at sea level.
31
A 'jiffy' is an actual unit of time for 1/100th of a second!
66