Your fingernails grow faster in summer.
744
By weight, Bone is five times stronger than steel.
417
On average, there's 100 billion neurons in the human brain.
83
The average person will go on a date at least 100 times before they finally marry.
33
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
If the human eye was a digital camera, it would have 576 megapixels.
25