Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
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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.
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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 the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
Salmonella Bacteria
how fast bacteria can grow is amazing
Bacteria
Bacteria
Escherichia coli bacteria E. coli
(b) Scanning electron microscopy showing a phagocytic cell in the process of phagocytizing bacteria. ...
