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Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

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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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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

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