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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The offspring of two sets of identical twins are legally cousins but genetically siblings.
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The average person falls asleep in seven minutes.
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There are six times as many people of Irish descent living in America than in Ireland.
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Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
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Two in five people in the world marry their first love.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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