Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
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Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
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People who have a strong friendship possess the ability to communicate with one another through facial expressions.
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The average single man is one inch shorter than the average married man.
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Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
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Each year, around 24,000 Americans are bitten by rats!
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