Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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There are more sensory neurons in the tongue than in any other part of the body.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
Selected Hypothalamic and Pituitary Agents
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Selected Antifungal Drugs
Selected Drugs for Helminth and Protozoan Infections