The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The world's shortest man measures only 21.5 inches.
73
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Gorillas can catch human colds and other illnesses.
205
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
If the human eye was a digital camera, it would have 576 megapixels.
25
Your fingernails grow faster in summer.
744
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29