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Linton, Ralph

(Encyclopedia)Linton, Ralph, 1893–1953, American anthropologist, b. Philadelphia, B.A. Swarthmore College, 1915, Ph.D. Harvard, 1925. He was (1922–28) assistant curator at the Field Museum, Chicago, then taught...

Mansfield, Sir Peter

(Encyclopedia)Mansfield, Sir Peter, 1933–2017, British physicist, Ph.D. Queen Mary College, London, 1962. He was a professor at the Univ. of Nottingham from 1964 to 1994. In 2003 Mansfield shared the Nobel Prize ...

Three Gorges Dam

(Encyclopedia)Three Gorges Dam, 607 ft (185 m) high and 7,575 ft (2,309 m) long, on the Chang (Yangtze) River, central Hubei prov., China, 30 mi (48 km) W of Yichang. The largest concrete structure in the world, th...

cough

(Encyclopedia)cough, sudden, forceful expiration of air from the lungs caused by an involuntary contraction of the muscles controlling the process of breathing. The cough is a response to some irritating condition ...

Huber, Robert

(Encyclopedia)Huber, Robert ho͞oˈbər [key], 1937–, German biochemist. After receiving his doctorate at Munich Technical Univ., he worked both there and at the Max Planck Institute for Biochemistry. With Hartmu...

indigestion

(Encyclopedia)indigestion or dyspepsia, discomfort during or after eating caused by some interference with the normal digestive process. Symptoms include nausea, heartburn, abdominal pain, gas distress, and a feeli...

japanning

(Encyclopedia)japanning jəpănˈing [key], method of varnishing a surface, such as wood, metal, or glass, to obtain a durable, lustrous finish. The term is derived from a process popular in England, France, the Ne...

calcium chloride

(Encyclopedia)calcium chloride, CaCl2, chemical compound that is crystalline, lumpy, or flaky, is usually white, and is very soluble in water. The anhydrous compound is hygroscopic; it rapidly absorbs water and is ...

biogenetic law

(Encyclopedia)biogenetic law, in biology, a law stating that the earlier stages of embryos of species advanced in the evolutionary process, such as humans, resemble the embryos of ancestral species, such as fish. T...

Böttger, Johann Friedrich

(Encyclopedia)Böttger, Johann Friedrich yōˈhän frēˈdrĭkh bötˈgər [key], 1682–1719, German chemist and originator of Dresden china. When the Swedish invasion of Saxony occurred (1706), Böttger and his a...