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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Women rate men more attractive if other women are looking and smiling at him.
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A man is more likely to get a woman's phone number if he is accompanied by a dog.
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People who have a strong friendship possess the ability to communicate with one another through facial expressions.
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Only 2% of the worlds population is blonde.
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Most of the world's people must walk at least 3 hours to fetch water!
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