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
Your brain is 80% water.
525
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The average temperature at 40,000 feet above sea level is -60 F.
56
The average home creates more pollution than does the average car.
33
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Pumice is the only rock that floats on water.
14