Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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Pumice is the only rock that floats on water.
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Aluminum used to be more valuable than gold!
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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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 Earth's atmosphere weighs about 5.5 quadrillion tons.
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Scientists in Germany have developed a candy that doesn't cause cavities.
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