It takes 492 seconds for sunlight to reach the Earth!
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Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
Real diamonds do not show up on x-ray.
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Contrary to popular belief, hair does not grow back darker and thicker after it has been shaved.
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Tsunamis ( tidal waves ) travel as fast as jet planes.
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Approximately 60% of the water used by households during the summer is used for watering flowers and lawns.
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Each year, more than 50,000 people are injured by jewelry in the U.S.
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