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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If you're over 100 years old, there's an 80% chance you're a woman.
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Half of all Americans over the age of 55 have no teeth.
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Americans collectively eat one hundred pounds of chocolate every second.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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Someone on Earth reports seeing a UFO every three minutes.
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Children grow faster in the springtime than any other season during the year.
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