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Owl and the Nightingale, The

(Encyclopedia) Owl and the Nightingale, The, Middle English poem written probably by Nicholas de Guildford of Dorsetshire about the beginning of the 13th cent. Written in 2,000 lines of octosyllabic…

Donner or Donder?

The Question: Is Santa's reindeer named Donner or Donder? The Answer: Yes. Santa's reindeer were first named in "A Visit from St. Nicholas" (better…

electric fish

(Encyclopedia) electric fish, name for various fish that produce electricity by means of organs usually developed from modified muscle tissue. The electric eels of South America are freshwater…

gamma radiation

(Encyclopedia) gamma radiation, high-energy photons emitted as one of the three types of radiation resulting from natural radioactivity. It is the most energetic form of electromagnetic radiation,…

sextant

(Encyclopedia) CE5 Sextant sextant, instrument for measuring the altitude of the sun or another celestial body; such measurements can then be used to determine the observer's geographical…

Article VII

[Constitution to be considered adopted when ratified by nine states.] The ratification of the conventions of nine States shall be sufficient for the establishment of this Constitution between the…

DK Earth: Climate

WHAT AFFECTS AN AREA’S CLIMATE? WHY DO TROPICAL REGIONS HAVE HOT CLIMATES? WHAT IS A CONTINENTAL CLIMATE? FIND OUT MORE Every part of the world has its own climate—a characteristic…

Eichholtz, Jacob

(Encyclopedia) Eichholtz, JacobEichholtz, Jacobīkhˈhôlts [key], 1776–1842, American portrait painter, b. Lancaster, Pa.; pupil of Gilbert Stuart in Boston but mainly self-taught. He painted portraits…