One cubic foot of gold weighs more than 1,200 pounds!
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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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4.5 pounds of sunlight strike the Earth each day.
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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.
5
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
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Scientists aren't sure what color dinosaurs were.
312
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
In zero gravity, a candle's flame is round and blue.
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