It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
The average single man is one inch shorter than the average married man.
88
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
According to the American Society for Microbiology, 90% of women and 75% of men wash their hands after using a public restroom.
170
Most of the world's people must walk at least 3 hours to fetch water!
38
Identical twins do not have identical fingerprints.
79