The Earth's atmosphere weighs about 5.5 quadrillion tons.
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Most liquid laundry detergents are alive with living organisms that help to break down stains!
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A single speck of dust is half way in size between a subatomic particle and the Earth.
15
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
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.
39
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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