Mushrooms are more closely related to humans than they are to plants.
47
If the human eye was a digital camera, it would have 576 megapixels.
25
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Early American humans hunted car-size armadillos and used their shells for houses.
12
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
One human hair can support 3 ounces.
191
Human hair and fingernails continue to grow after death.
7