It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
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Research has determined that most people are happiest at 7:26pm on a Saturday night.
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A person will create enough saliva to fill two average size swimming pools during his lifetime.
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Every three seconds, a new baby is born.
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People who are lying to you tend to look up and to the left (their left).
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You can only remember 4 things at a time.
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The average person walks the equivalent of twice around the world in a lifetime
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Most of the world's people must walk at least 3 hours to fetch water!
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