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 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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You share your birthday with at least 9 other million people in the world.
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Babies crawl an average of 200m a day.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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The average person laughs 13 times a day!
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According to some estimates, Americans are sitting on $30 billion worth of unredeemed gift cards.
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Approximately one-third of the population can't snap their fingers!
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