It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Approximately one-third of the population can't snap their fingers!
91
On average, a person will spend about five years eating during his or her lifetime.
90
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
The higher the income, the more likely an American man will cheat on his wife.
94
One in 500 humans has one blue eye and one brown eye.
145