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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.
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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.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.