Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
During a typical human life span, the human heart will beat approximately 2.5 billion times.
21
You're born with 300 bones, but when you get to be an adult, you only have 206!
17
Every time you lick a stamp, you're consuming 1/10 of a calorie!
47
Household bleach is the recommended chemical to decontaminate people exposed to the anthrax virus, by the U.S. F.D.A.
16
You have no sense of smell when you're sleeping!
72
While 7 men in 100 have some form of color blindness, only 1 woman in 1,000 suffers from it.
50