All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
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For every gallon of sea water, you get more than a quarter pound of salt.
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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
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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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A ball of glass will bounce higher than a ball made of rubber.
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4.5 pounds of sunlight strike the Earth each day.
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One barrel of petroleum holds 42 gallons.
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