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
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The smell of freshly cut grass is actually a plant distress call.
31
Each day, up to 150 species of life become extinct.
-23
Pumice is the only rock that floats on water.
14
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
A single speck of dust is half way in size between a subatomic particle and the Earth.
15