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
The average temperature at 40,000 feet above sea level is -60 F.
56
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Pure water (H2O) does not conduct electricity on its own.
46
German chemists made a replica of a trophy the size of one molecule.
68
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44