Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
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Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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Research indicates that plants grow healthier when they are stroked.
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Most dust particles in your house are made from dead skin!
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Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
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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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Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
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Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
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