Nylon is made from coal and petroleum.
42
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
The average temperature at 40,000 feet above sea level is -60 F.
56
A cubic yard of air weighs about 2 pounds at sea level.
31
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
One barrel of petroleum holds 42 gallons.
20
Cold water weighs more than hot water.
93