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ionosphere

(Encyclopedia) ionosphereionosphereīŏnˈəsfēr [key], series of concentric ionized layers forming part of the upper atmosphere of the earth from around 30 to 50 mi (50 to 80 km) to 250 to 370 mi (400…

drought

(Encyclopedia) drought, abnormally long period of insufficient rainfall. Drought cannot be defined in terms of inches of rainfall or number of days without rain, since it is determined by such…

Pentecost

(Encyclopedia) PentecostPentecostpĕnˈtəkôst [key] [Gr.,=fiftieth], important Jewish and Christian feast. The Jewish feast of Pentecost, in Hebrew Shavuot, the Feast of Weeks, one of the three…

Theodosius II

(Encyclopedia) Theodosius II, 401–50, Roman emperor of the East (408–50), son and successor of Arcadius. He preferred the study of theology and astronomy to public affairs, which he left to the…

Books & Writing

  Creature Catalog Angels Dragons Giants More… Speaking of Language Amazing Language Facts Latin Words and Phrases Idioms and Proverbs More…

DK Science: New Materials

ALL EXTREME FABRICAEROGEL FOAMCOMET DUST COLLECTORSTARDUSTCOMET WILD 2CONDUCTIVE FABRICSFABRIC MOBILE PHONESMART MATERIALSFIND OUT MOREMaterials scientists develop and test new materials that do…

Martin Luther King, Jr., Quotations

Martin Luther King, Jr., Quotations Press on and keep pressing . . .   Compiled by Erin Teare     If you will protest courageously, and yet with dignity and Christian love, when the…

Year in Review 2000

  Top Headlines   • News of the World • News of the Nation • Month by Month People in the News • People in the News • Deaths in 2000 • Nobel Prize Winners •…