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Signs of the Zodiac (table)

(Encyclopedia) Signs of the Zodiac Constellation English Name Symbol Dates Aries The Ram ♈ Mar. 21–Apr. 19 Taurus The Bull ♉ Apr. 20–May 20 Gemini The Twins ♊ May 21–June 21…

leukemia

(Encyclopedia) leukemialeukemial&oomacr;kēˈmēə [key], cancerous disorder of the blood-forming tissues (bone marrow, lymphatics, liver, spleen) characterized by excessive production of immature or…

silicone

(Encyclopedia) silicone, polymer in which atoms of silicon and oxygen alternate in a chain; various organic radicals, such as the methyl group, CH3, are bound to the silicon atoms. Silicones, which…

Kaposi's sarcoma

(Encyclopedia) Kaposi's sarcomaKaposi's sarcomakäpˈəshēˌ, kəpōˈsē [key], a usually fatal cancer that was considered rare until its appearance in AIDS patients. First described by an Austro-Hungarian…

Ford, Betty

(Encyclopedia) Ford, Betty, 1918–2011, American first lady (1974–77), wife of President Gerald Ford, b. Chicago as Elizabeth Anne Bloomer. A candid, outspoken, and popular first lady, she became an…

heartburn

(Encyclopedia) heartburn, burning sensation beneath the breastbone, also called pyrosis. Heartburn does not indicate heart malfunction but results from nervous tension or overindulgence in food or…

Heck, Richard Fred

(Encyclopedia) Heck, Richard Fred, 1931–2015, American chemist, b. Springfield, Mass., Ph.D. Univ. of California, Los Angeles, 1954. Heck was a researcher at the Hercules Corporation in Wilmington,…

Tsien, Roger Yonchien

(Encyclopedia) Tsien, Roger Yonchien, 1952–2016, American biochemist, b. New York City, Ph.D. Cambridge, 1977. Tsien was a researcher at Cambridge (1977–81) and a professor at the Univ. of California…

Hitchens, Christopher Eric

(Encyclopedia) Hitchens, Christopher Eric, 1949–2011, Anglo-American journalist and critic, b. Portsmouth, England, grad. Bailliol College, Oxford (1970). He wrote for the New Statesman, London Times…

fracture

(Encyclopedia) fracture, breaking of a bone. A simple fracture is one in which there is no contact of the broken bone with the outer air, i.e., the overlying tissues are intact. In a comminuted…