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
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
A human being loses an average of 40 to 100 strands of hair a day.
133
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
One human hair can support 3 ounces.
191