Only 1% of bacteria cause disease.
45
From the age of thirty, humans gradually begin to shrink in size.
1
Women buy four out of every 10 condoms sold.
71
People who sleep late have more mental stamina and can outperform early risers.
33
It takes 17 muscles to smile, 43 to frown.
65
The average human body contains enough iron to make a small nail.
50
Household bleach is the recommended chemical to decontaminate people exposed to the anthrax virus, by the U.S. F.D.A.
16
The average sperm cell swims at 8 inches per hour.
76