In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Enamel is hardest substance in the human body.
61
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
If the human eye was a digital camera, it would have 576 megapixels.
25
Early American humans hunted car-size armadillos and used their shells for houses.
12
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24