Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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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 10-20% of the population can wiggle their ears and raise one eyebrow.
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Babies that are breastfed are more likely to be slimmer as adults than those that are not breastfed.
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Humans blink over 10,000,000 times a year!
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Women who are romance novel readers are reported to make love 74% more often with their partners than women who do not read romance novels.
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In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
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