By weight, Bone is five times stronger than steel.
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
The skin on your lips is 200 times more sensitive than your fingertips.
Our eyes are always the same size from birth, but our nose and ears never stop growing.
If your DNA was stretched out it would reach to the moon 6,000 times.
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
A man's beard grows fastest when he anticipates sex.
Poor eyesight (myopia) is associated with higher IQ.
Wearing headphones for an hour increases the bacteria in your ear 700 times.
Your ears secrete more earwax when you are afraid than when you aren't.
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.
Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.