The earth is approx. 6,588,000,000,000,000,000 tons.
175
In zero gravity, a candle's flame is round and blue.
16
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Sound travels about 4 times faster in water than in air.
408
For every gallon of sea water, you get more than a quarter pound of salt.
45
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51