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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.