For every gallon of sea water, you get more than a quarter pound of salt.
45
Nylon is made from coal and petroleum.
42
The sun is 330,330 times larger than the earth.
75
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Aluminum used to be more valuable than gold!
84
Sound travels fifteen times faster through steel than through air.
134
Each day, up to 150 species of life become extinct.
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