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Mount Saint Helens

May 18, 1980   Mount St. Helens in Washington spews smoke, soot and ash into the sky in April, 1980. Its eruption that May devestated an area of about 150 square miles. Related Links…

DK Earth: Winds

WHY DO WINDS BLOW? WHAT FORCES AFFECT THE WORLD’S WINDS? GLOBAL WINDS MONSOONSFIND OUT MOREWinds are moving currents of air, which can blow over a small local area or over a much larger region.…

DK Science: Neptune

BLUE PLANETNEPTUNE’S RINGSTRITON’S GEYSERSFIND OUT MOREAlmost the same size and colour as Uranus, Neptune orbits about 1.6 billion km (1.0 billion miles) further from the Sun than Uranus.…

Inheritance: Gametogenesis in Plants and Animals

Gametogenesis in Plants and AnimalsInheritanceIntroductionGenes at Work: Mendel's BreakthroughMeiosis and Sexual ReproductionGametogenesis in Plants and AnimalsRegulation of Gene Expression in…

Greenland

(Encyclopedia) Greenland, Green. Kalaallit Nunaat, Dan. Grønland, the largest island in the world (2015 est. pop. 56,000), 836,109 sq mi (2,166,086 sq km), self-governing overseas administrative…

Arctic Ocean

(Encyclopedia) Arctic Ocean, the smallest ocean, c.5,400,000 sq mi (13,986,000 sq km), located entirely within the Arctic Circle and occupying the region around the North Pole. The Arctic basin was…

Rasmussen, Knud Johan Victor

(Encyclopedia) Rasmussen, Knud Johan VictorRasmussen, Knud Johan Victorkən&oomacr;tˈ yōˈhän vĭkˈtôr räsˈm&oobreve;sən [key], 1879–1933, Danish arctic explorer and ethnologist. Born in…