Nylon is made from coal and petroleum.
42
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Pure water (H2O) does not conduct electricity on its own.
46
The bark of an older redwood tree is fireproof.
65
Scientists in Germany have developed a candy that doesn't cause cavities.
11
One ragweed plant can release as many as one billion grains of pollen!
51
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