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 ball of glass will bounce higher than a ball made of rubber.
73
No matter how cold it gets, gasoline will not freeze.
107
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
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Cold water weighs more than hot water.
93
A cubic yard of air weighs about 2 pounds at sea level.
31