Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
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In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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Pumice is the only rock that floats on water.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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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.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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Sound travels about 4 times faster in water than in air.
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For every gallon of sea water, you get more than a quarter pound of salt.
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