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Rickey, Branch

(Encyclopedia) Rickey, Branch, 1881–1965, American baseball executive, b. Stockdale, Ohio. As manager or executive, he was with the St. Louis Browns (1913–15), the St. Louis Cardinals (1917–42), the…

pondweed

(Encyclopedia) pondweed, common name for the family Potamogetonaceae, and for weedy aquatic herbs of the genus Potamogeton, of which about 50 known species inhabit North American ponds and slow…

Pont du Gard

(Encyclopedia) Pont du GardPont du GardpôN dü gär [key], Roman aqueduct across the Gard River, Gard dept., S France. Built in 19 b.c. to supply Nîmes with water, it consists of three tiers of arches…

motorcycle

(Encyclopedia) motorcycle, motor vehicle whose design is based on the bicycle. The German inventor Gottlieb Daimler is generally credited with building the first practical motorcycle in 1885. The…

Bennett, Tony

(Encyclopedia) Bennett, Tony, 1926-, American singer, b. Queens, N.Y., as Anthony Dominick Benedetto. The son of Italian immigrants, Bennett began…

The Dimensions of a Basketball Court

The Question: Where can I find out the size and dimensions of a basketball court? I want to paint one on the driveway. The Answer: I hope you…

plague

(Encyclopedia) plague, any contagious, malignant, epidemic disease, in particular the bubonic plague and the black plague (or Black Death), both forms of the same infection. These acute febrile…

2016 Presidential Election Campaign

Election history and statistics, candidates, and party politics     Presidential Candidates Democratic Hillary Clinton Republican Donald Trump…

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…