Most people smile when they are frustrated, according to a study.
15
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
People in parts of Western China put salt in their tea instead of sugar.
16
Approximately 70,000 people in the U.S. are both blind and deaf!
7
The average American spends a third of their overall time online playing games and using social networks.
298
Only 2% of the Earth's population are natural redheads.
13