The world's shortest man measures only 21.5 inches.
73
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
If the human eye was a digital camera, it would have 576 megapixels.
25
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Your thumb is about the same size as your nose.
124
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18