There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
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Approximately one-third of the population can't snap their fingers!
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Two in five people in the world marry their first love.
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The Japanese, on average, are the shortest people.
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The average person will go on a date at least 100 times before they finally marry.
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In one day an average person will take about 18,000 steps.
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