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There are more sensory neurons in the tongue than in any other part of the body.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
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