The average temperature at 40,000 feet above sea level is -60 F.
56
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
According to studies, men change their minds two to three times more often than women.
72
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
Pumice is the only rock that floats on water.
14