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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Only 2% of the worlds population is blonde.
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Nearly 30% of female lottery winners hide their winning ticket in their bras.
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Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
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Nearly 10% of American households dress their pets in Halloween costumes.
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