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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As many as one third Americans flush the toilet while they are still on it.
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During your lifetime, you'll eat about 60,000 pounds of food, that's the weight of about 6 elephants!
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Each year, around 24,000 Americans are bitten by rats!
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The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
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The average person will go on a date at least 100 times before they finally marry.
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A person will create enough saliva to fill two average size swimming pools during his lifetime.
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