Only humans shed emotional tears.
331
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
One human hair can support 3 ounces.
191
A person can live without food for about a month, but only about a week without water.
156
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
If your DNA was stretched out it would reach to the moon 6,000 times.
256
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130