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 banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
One 75-watt bulb gives more light than three 25-watt bulbs.
57
One ragweed plant can release as many as one billion grains of pollen!
51
