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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City dwellers have longer, thicker, denser nose hairs than country folks do.
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One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
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Most people smile when they are frustrated, according to a study.
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The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
The average American consumes 9 pounds of food additives every year.
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Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
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