Cyanide works by making the human body unable to use oxygen.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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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.
Parts of a muscle
The four interacting parts of eukaryotic cells.
Eye Color Is a Sex-Linked Trait in Drosophila (Part 2)