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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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The average adult has about 21 square feet of skin.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.