Most people smile when they are frustrated, according to a study.
15
One in 500 humans has one blue eye and one brown eye.
145
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
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Approximately 70,000 people in the U.S. are both blind and deaf!
7
People with light eye colors (like blue, green or grey) have a higher alcohol tolerance.
194
You forget 90% of your dreams.
256