Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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A domestic cat can sprint at about 31 miles per hour.
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A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
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Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
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