Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The average home creates more pollution than does the average car.
33
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
Iron weighs more after it rusts.
16
The average temperature at 40,000 feet above sea level is -60 F.
56
Nearly 50% of the world's scientists are assigned to military projects.
71
Scientists are now able to grow 'beating' heart tissue in a lab!
162