For every gallon of sea water, you get more than a quarter pound of salt.
45
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The earth is approx. 6,588,000,000,000,000,000 tons.
175
No matter how cold it gets, gasoline will not freeze.
107
In zero gravity, a candle's flame is round and blue.
16
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Most dust particles in your house are made from dead skin!
67
Pumice is the only rock that floats on water.
14