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The horizontal fraction bar was introduced by the Arabs.
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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
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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 most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.