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Did you know?
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.