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Magellan, Ferdinand

(Encyclopedia)Magellan, Ferdinand məjelˈən [key], Port. Fernão de Magalhães, Span. Fernando de Magallanes, c.1480–1521, Portuguese navigator who sailed for Portugal and Spain. Born of a noble family, he was ...

Karik**oacute**, Katalin

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

infrared astronomy

(Encyclopedia)infrared astronomy, study of celestial objects by means of the infrared radiation they emit, in the wavelength range from about 1 micrometer to about 1 millimeter. All objects, from trees and building...

Portuguese literature

(Encyclopedia)Portuguese literature, writings in Portuguese. The literature of Brazil is considered separately (see Brazilian literature). The modern period in Portuguese letters dates from the establishment o...

battery, electric

(Encyclopedia)CE5 Lead storage cell: At the lead-dioxide electrode, electrons from the circuit combine with lead dioxide and sulfuric acid to form lead sulfate and water. At the spongy-lead electrode, lead react...

Equatorial Guinea

(Encyclopedia)CE5 Equatorial Guinea gĭnˈē [key], officially Republic of Equatorial Guinea, republic (2021 est. pop. ...

nephritis

(Encyclopedia)nephritis nəfrīˈtəs [key], inflammation of the kidney. The earliest finding is within the renal capillaries (glomeruli); interstitial edema is typically followed by interstitial infiltration of ly...

neuralgia

(Encyclopedia)neuralgia no͝orălˈjə, nyo͝o– [key], acute paroxysmal pain along a peripheral sensory nerve. Unlike neuritis, there is no inflammation or degeneration of nerve tissue. Neuralgia occurs commonly ...

Newcastle disease

(Encyclopedia)Newcastle disease, pneumoencephalitis, acute viral disease of domestic poultry. Newcastle disease is characterized by sneezing, coughing, and nervous behavior. Affected birds may show tremors, circlin...

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