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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People who are more likeable and attractive are generally perceived as more intelligent. This is called the “Halo Effect.”
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A hard working adult sweats up to 4 gallons per day.
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More redheads are born in Scotland than in any other part of the world.
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Humans blink over 10,000,000 times a year!
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According to some estimates, Americans are sitting on $30 billion worth of unredeemed gift cards.
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