Pumice is the only rock that floats on water.
14
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Balsa wood is classified as a hard wood!
41
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
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.
39
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
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