Research has determined that most people are happiest at 7:26pm on a Saturday night.
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Your heart will pump about 212 million liters in its lifetime.
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In one day, adult lungs move about 10,000 litres of air.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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Enamel is hardest substance in the human body.
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Pain occurs when sounds are above 130 db.
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Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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It has been scientifically proven that stroking a cat can lower one's blood pressure!
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