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Berrettini, Pietro

(Encyclopedia)Berrettini, Pietro: see Cortona, Pietro Berrettini da. ...

geology

(Encyclopedia)geology, science of the earth's history, composition, and structure, and the associated processes. It draws upon chemistry, biology, physics, astronomy, and mathematics (notably statistics) for suppor...

Florence, city, Italy

(Encyclopedia)Florence flôrˈəns, flŏrˈ– [key], Ital. Firenze, city (2021 est. metro area pop.709,064...

Khingan, Great

(Encyclopedia)Khingan, Great, mountain range, China: see Hinggan Ling, Da. ...

Rossellino, Antonio

(Encyclopedia)Rossellino, Antonio äntôˈnyō rōs-sĕl-lēˈnō [key], 1427–c.1478, Florentine sculptor, whose name was Antonio di Matteo di Domenico Gambarelli. He was the youngest and most celebrated of four ...

Montefeltro

(Encyclopedia)Montefeltro mōntāfĕlˈtrō [key], Italian noble family. Its members were noted patrons of art and traditionally opposed the papacy in the struggle between Guelphs and Ghibellines. The county of Mon...

Duhem, Pierre Maurice Marie

(Encyclopedia)Duhem, Pierre Maurice Marie pyĕr mōrēsˈ märēˈ düĕmˈ [key], 1861–1916, French physicist and philosopher and historian of science. After studying at the École Normale Supérieure he taught ...

Roosevelt, river, Brazil

(Encyclopedia)Roosevelt, river, c.400 mi (640 km) long, NW Brazil. It was called the Rio da Dúvida [River of Doubt] until it was explored by Theodore Roosevelt in 1913. Renamed in his honor, it is occasionally cal...

Frankfort

(Encyclopedia)Frankfort, city (2020 pop. 28,602), state capital and seat of Franklin co., N central Ky., on both sides of the Kentucky River, in the heart of the blue...

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