The horizontal fraction bar was introduced by the Arabs.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
Stem cell research may cure diabetes, but lacks funding
yeast cell signaling
Incomplete Dominance in Sickle-Cell Inheritance
Major parts of the cell and the structures located inside the cell.