Human hair and fingernails continue to grow after death.
7
Early American humans hunted car-size armadillos and used their shells for houses.
12
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
Your heart will pump about 212 million liters in its lifetime.
26
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130