Pumice is the only rock that floats on water.
14
The bark of an older redwood tree is fireproof.
65
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Scientists in Germany have developed a candy that doesn't cause cavities.
11
The average temperature at 40,000 feet above sea level is -60 F.
56
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
No matter how cold it gets, gasoline will not freeze.
107
Most dust particles in your house are made from dead skin!
67