Scientists in Germany have developed a candy that doesn't cause cavities.
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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
A cubic yard of air weighs about 2 pounds at sea level.
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One ragweed plant can release as many as one billion grains of pollen!
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Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
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