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catastrophism

(Encyclopedia)catastrophism kətăsˈtrəfĭzəm [key], in geology, the doctrine that at intervals in the earth's history all living things have been destroyed by cataclysms (e.g., floods or earthquakes) and replac...

stratigraphy

(Encyclopedia)stratigraphy, branch of geology specifically concerned with the arrangement of layered rocks (see stratification). Stratigraphy is based on the law of superposition, which states that in a normal sequ...

Struve

(Encyclopedia)Struve shtro͞oˈvə [key], family of astronomers. Friedrich Georg Wilhelm von Struve, 1793–1864, was born in Germany but later lived in Russia. While director (1817–39) of Dorpat Observatory he w...

Jennings, Herbert Spencer

(Encyclopedia)Jennings, Herbert Spencer, 1868–1947, American zoologist, b. Tonica, Ill., B.S. Univ. of Michigan, 1893, Ph.D. Harvard, 1896. He was professor of zoology at Johns Hopkins (1906–10) and did researc...

Montpellier, University of

(Encyclopedia)Montpellier, University of, at Montpellier, France; founded 1220 by Cardinal Conrad and confirmed by papal bull. The university was suppressed during the French Revolution and replaced by faculties of...

Ardigò, Roberto

(Encyclopedia)Ardigò, Roberto rōbĕrˈtō ärdēgôˈ [key], 1828–1920, Italian positivist philosopher. His early life was spent in the priesthood, from which he withdrew in dissatisfaction at the age of 43. La...

Khan, Sadiq Aman

(Encyclopedia)Khan, Sadiq Aman, 1970–, British political leader. The son of Pakistani immigrants, he studied law at the Univ. of North London (now London Metropolitan Univ.) and the College of Law (now the Univ. ...

Karik**oacute**, Katalin

(Encyclopedia)Karikó, Katalin, Jan., 1955–, b. Szolnok, Hungary, Hungarian-American biochemist, studied at József Attila Univ., Szeged, ...

Great Southern Reef

(Encyclopedia)Great Southern Reef, rocky reef complex, c. 27,000 sq mi (70,000 sq km), extending almost 5,000 mi (8,100 km) along S and SW Australia coast, from Brisbane to Perth. The reef's temperate marine ecosys...

Kadyrov, Ramzan Akhmadovich

(Encyclopedia)Kadyrov, Ramzan Akhmadovich, 1976–, Chechen rebel and political leader. The son of assassinated (2004) Chechnya president Akhmad Kadyrov, he was a guerilla leader in the first Chechen war (1994–96...