Yawns are more contagious among people with closer relationships.
163
One in 500 humans has one blue eye and one brown eye.
145
The average woman uses her height in lipstick every 5 years.
146
Only 2% of the Earth's population are natural redheads.
13
The average person will go on a date at least 100 times before they finally marry.
33
Eskimos don't gamble.
78
Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165