In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Pain occurs when sounds are above 130 db.
124
Only humans shed emotional tears.
331
If the human eye was a digital camera, it would have 576 megapixels.
25
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
A man's beard grows fastest when he anticipates sex.
239
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130