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Bernoulli's principle

(Encyclopedia)CE5 Bernoulli's principle Bernoulli's principle, physical principle formulated by Daniel Bernoulli that states that as the speed of a moving fluid (liquid or gas) increases, the pressure within th...

Wilkins, Maurice Hugh Frederick

(Encyclopedia)Wilkins, Maurice Hugh Frederick, 1916–2004, British biophysicist, b. New Zealand, Ph.D. Univ. of Birmingham, 1940. He conducted research at the Univ. of St. Andrews, Scotland, and at Kings College, ...

Q fever

(Encyclopedia)Q fever, disease caused by Coxiella burnetii, a small, Gram-negative bacterium. The bacterium infects livestock (cattle, goats, and sheep) and other domesticated animals, and is found in the urine, fe...

Tonegawa, Susumu

(Encyclopedia)Tonegawa, Susumu, 1939–, Japanese molecular biologist, Ph.D. Univ. of California at San Diego, 1969. A member of the Basel Institute for Immunology in Switzerland (1971–81), he became a professor ...

Boscovich, Ruggiero Giuseppe

(Encyclopedia)Boscovich, Ruggiero Giuseppe ro͞od-jāˈrō jo͞ozĕpˈpā bôsˈkōvēch [key], 1711–87, Italian mathematician, astronomer, and physicist. He became a Jesuit and taught at Rome, Pavia, and Milan. ...

Lowell, Amy

(Encyclopedia)Lowell, Amy, 1874–1925, American poet, biographer, and critic, b. Brookline, Mass., privately educated; sister of Percival Lowell and Abbott Lawrence Lowell. In 1912 she published A Dome of Many-Col...

pulse, in anatomy

(Encyclopedia)pulse, alternate expansion and contraction of artery walls as heart action varies blood volume within the arteries. Artery walls are elastic. Hence they become distended by increased blood volume duri...

surface chemistry

(Encyclopedia)surface chemistry, study of chemical reactions in which the reactants are first adsorbed onto a surface medium (see adsorption) that then acts as a catalyst for the reaction; after the reaction the pr...

specific heat

(Encyclopedia)specific heat, ratio of the heat capacity of a substance to the heat capacity of a reference substance, usually water. Heat capacity is the amount of heat needed to change the temperature of a unit ma...

Missouri, University of

(Encyclopedia)Missouri, University of, at Columbia (main campus), Rolla, Kansas City, and St. Louis; land-grant and state supported; coeducational; chartered 1839, opened 1841. It is the oldest state university W o...