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DK Science: Boats

HYDROFOILSUBMARINESFIND OUT MOREAlthough boats float, their weight makes them settle a little way into the water. This means they create some resistance or drag when they move through the water…

Munich Massacre, 1972

The worst tragedy in modern Olympic history by Mike Morrison The Munich Olympics in 1972 were marred by terrorism. (Source: AP) Related Links Olympics Overview 2012…

Chemistry: This Stuff Is Really Fun!

This Stuff Is Really Fun!ChemistryWhy Study Chemistry?Why Do We Need Chemistry?What Have I Gotten Myself Into?This Stuff Is Really Fun!Who Invented Chemistry?Succeeding Where Others Have Failed…

DK History: Middle Eastern Empires

WHY WAS THE MIDDLE EAST SUCH A RICH PRIZE? BABYLONIANSHITTITESHEBREWSASSYRIANSFIND OUT MOREFrom around 2000 BC, rival peoples in the Middle East fought to either conquer or defend land. Some,…

clipper

(Encyclopedia) clipper, type of sailing ship, designed for speed. Long and narrow, the clipper had the greatest beam aft of the center; the bow cleaved the waves; and the ship carried, besides…

porcelain

(Encyclopedia) porcelain [Ital. porcellana], white, hard, permanent, nonporous pottery having translucence which is resonant when struck. Porcelain was first made by the Chinese to withstand the…

Butte, city, United States

(Encyclopedia) Butte Butte by&oomacr;t [key], city (2020 pop. 34,494), seat of Silver Bow co., SW Mont.; inc…

Whittington, Richard

(Encyclopedia) Whittington, Richard, 1358–1423, English merchant and lord mayor of London. He made his fortune as a mercer and then entered London politics to become successively councilman, alderman…

Wayne Gretzky Says Goodbye

by Michael Morrison After 20 seasons in the NHL, the greatest player ever to lace up a pair of hockey skates has retired. Wayne Gretzky said goodbye to the NHL on Sunday, and he leaves with…