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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A person swallows approximately 295 times while eating dinner.
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On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
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Each year, around 24,000 Americans are bitten by rats!
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Someone on Earth reports seeing a UFO every three minutes.
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85% of movie actors earn less than $5,000 a year from acting!
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Most of the world's people must walk at least 3 hours to fetch water!
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Forty percent of Americans have never visited a dentist.
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