Yawns are more contagious among people with closer relationships.
163
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Gorillas can catch human colds and other illnesses.
205
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515