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steamship

(Encyclopedia) steamship, watercraft propelled by a steam engine or a steam turbine. Despite such innovations as turbo-electric drive, which converts steam energy into rotational power for…

Wyoming

Wyoming State Facts Entered Union: July 10, 1890 (44th State) Organized as territory: May 19, 1869 Present constitution adopted: 1890 Fun Facts State abbreviation/Postal code: Wyo./WY Nicknames…

DK Nature: Habitats

WHAT IS THE DIFFERENCE BETWEEN A HOME AND A HABITAT? WHAT IS A MICROHABITAT? OCEANSWETLANDSFORESTSGRASSLANDSDESERTSMOUNTAINSPOLAR HABITATSFIND OUT MOREOrganisms are adapted to live in particular…

The Caldecott Medal

For the best illustrated book; given by the American Library Association. Randolph Caldecott was a 19th-century British illustrator.1938Animals of the Bible, a Picture Book, by Helen Dean Fish,…

Roundup of Recent Science Discoveries, 2006

—By Borgna BrunnerStardust Memories After a seven-year, three-billion-mile expedition through the solar system, NASA’s Stardust spacecraft capsule landed in the Arizona desert on Jan. 15, 2006,…

Tolstoy, Leo, Count

(Encyclopedia) Tolstoy, Leo, Count, Rus. Lev Nikolayevich Tolstoi (lyĕf), 1828–1910, Russian novelist and philosopher, considered one of the world's greatest writers. About 1876 the doubts that…

Northwest Passage

(Encyclopedia) Northwest Passage, water routes through the Arctic Archipelago, N Canada, and along the northern coast of Alaska between the Pacific and Atlantic oceans. Even though the explorers of…

Wisconsin, state, United States

(Encyclopedia) CE5 WisconsinWisconsinwĭskŏnˈsən, –sĭn [key], upper midwestern state of the United States. It is bounded by Lake Superior and the Upper Peninsula of Michigan, from which it is…