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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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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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There are 20 feet of blood vessels in each square inch of human skin.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.