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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Most dust particles in your house are made from dead skin!
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4.5 pounds of sunlight strike the Earth each day.
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Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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The sun is 330,330 times larger than the earth.
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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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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
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