Redheads require more anesthesia to 'go under' than other hair colors do.
50
You mostly breathe from only one nostril at a time!
75
From the age of thirty, humans gradually begin to shrink in size.
1
The tongue is the strongest muscle in the human body.
50
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16