A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Most dust particles in your house are made from dead skin!
67
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
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15