People who have a strong friendship possess the ability to communicate with one another through facial expressions.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Yawns are more contagious among people with closer relationships.
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2,500 newborn babies will be dropped in the next month.
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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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