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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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There are 60,000 miles of blood vessels in every adult human.