The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Yawns are more contagious among people with closer relationships.
163
Obsessive nose picking is called Rhinotillexomania.
101
Your fingernails grow faster in summer.
744
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
If the human eye was a digital camera, it would have 576 megapixels.
25
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456