Pumice is the only rock that floats on water.
14
For every gallon of sea water, you get more than a quarter pound of salt.
45
Scientists are now able to grow 'beating' heart tissue in a lab!
162
A cubic yard of air weighs about 2 pounds at sea level.
31
The average home creates more pollution than does the average car.
33
Liquid TIDE laundry detergent glows under a blacklight.
96