Only 2% of the Earth's population are natural redheads.
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The offspring of two sets of identical twins are legally cousins but genetically siblings.
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The average person laughs 13 times a day!
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The average woman uses her height in lipstick every 5 years.
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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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People with blue eyes are better able to see in the dark.
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As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
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Approximately 4 to 5% of the U.S. population has one or more clinically significant phobias in a given year. Specific phobias occur in people of all ages. The average age of onset for social phobia is between 15 and 20 years of age, although it can often begin in childhood.
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