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
A cubic yard of air weighs about 2 pounds at sea level.
31
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Hot water can freeze faster than cold water.
181
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61