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Feringa, Bernard Lucas

(Encyclopedia)Feringa, Bernard Lucas, 1951–, Dutch organic chemist, Ph.D. Univ. of Groningen, Netherlands, 1978. He has been on the faculty at the Univ. of Groningen since 1984. Feringa was jointly awarded the 20...

Rothstein, Arnold

(Encyclopedia)Rothstein, Arnold rôthˈstēn [key], 1883–1928, American gambler, b. New York City. Supposedly beginning his career at the age of 12, Rothstein became a professional gambler and operated gaming hou...

Cyril, Saint (St. Cyril of Jerusalem)

(Encyclopedia)Cyril, Saint (Saint Cyril of Jerusalem) sĭrˈəl [key], c. 315–386, bishop of Jerusalem (c. 350–386), Doctor of the Church. Ordained by his predecessor as bishop, St. Maximus, he was deposed in 3...

Huxley, Sir Andrew Fielding

(Encyclopedia)Huxley, Sir Andrew Fielding, 1917–2012, British physiologist, educated at University College, London; grandson of Thomas Henry Huxley, half-brother of Sir Julian Huxley and Aldous Huxley. He finishe...

Macri, Mauricio

(Encyclopedia)Macri, Mauricio, 1959–, Argentinian political leader. After graduating from the Catholic Univ. of Argentina, he was active in his family's businesses in the 1980s and 90s before becoming president o...

bushido

(Encyclopedia)bushido bo͝oshˈĭdō, bo͞oˈshĭdō [key] [Jap.,=way of the warrior], code of honor and conduct of the Japanese nobility. Of ancient origin, it grew out of the old feudal bond that required unwaver...

hydrocarbon

(Encyclopedia)hydrocarbon hīˌdrōkärˈbən [key], any organic compound composed solely of the elements hydrogen and carbon. The hydrocarbons differ both in the total number of carbon and hydrogen atoms in their ...

polymer

(Encyclopedia)CE5 A. Addition polymerization: Two ethylene molecules, C2H4, combine to form two links in the polyethylene chain molecule (C2H4)n. B. Condensation polymerization: Two glycine molecules, NH2CH2COOH...

Amaral, Tarsila do

(Encyclopedia)Amaral, Tarsila do, 1886–1973, Brazilian painter, usually known as Tarsila. She brought modern art to Brazil, mingling Brazilian themes with modernistic imagery in her paintings. After studying in B...

ethylene

(Encyclopedia)ethylene ĕthˈēn [key], H2C=CH2, a gaseous unsaturated hydrocarbon. It is the simplest alkene. Ethylene is colorless, has a faint odor, and has a slightly sweet taste; it melts at −169.4℃ and bo...