If your DNA was stretched out it would reach to the moon 6,000 times.
256
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
The human body contains over a billion miles of DNA.
147
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
There's 100 trillion good bacteria living in your body.
17
The human sigh acts as a physiological reset button.
23
