Pain occurs when sounds are above 130 db.
124
If the human eye was a digital camera, it would have 576 megapixels.
25
Your fingernails grow faster in summer.
744
The human body contains over a billion miles of DNA.
147
You can't tickle yourself.
29
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
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
A man's beard grows fastest when he anticipates sex.
239