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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The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
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Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
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Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
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In zero gravity, a candle's flame is round and blue.
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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
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