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Tuberculosis: Tuberculosis: Airborne Nightmare

Tuberculosis: Airborne NightmareTuberculosisIntroductionTuberculosis: Airborne NightmareTreating TBTB Is a Global Peril TB-causing bacteria is passed from person to person through the air when…

Tuberculosis: Tuberculosis: Airborne Nightmare

Tuberculosis: Airborne NightmareTuberculosisIntroductionTuberculosis: Airborne NightmareTreating TBTB Is a Global Peril TB-causing bacteria is passed from person to person through the air when…

Padua

(Encyclopedia) PaduaPaduapădˈy&oomacr;ə [key], Ital. Padova, city (1991 pop. 215,137), capital of Padova prov., in Venetia, NE Italy, connected by canal with the Brenta, Adige, and Po rivers. It…

Thomas Hearns

Born: Oct. 18, 1958Boxer has held world titles as welterweight, junior middleweight, middleweight and light heavyweight; four career losses have come against Ray Leonard, Marvin Hagler and twice to…

Candidate Names in the 1998 Elections

Skip vs. Fancy Ray Noms de Guerre in the '98 Election by Borgna Brunner This article was posted on November 2, 1998.Teddy, Harry, Ike, Jimmy, and Bill knew the value of a folksy nickname in…

DK Science: Astronomy

GIANT TELESCOPESBIOGRAPHY: GALILEO Italian, 1564-1642FIND OUT MOREThe scientific study of the stars and other objects in space is called astronomy. Astronomers observe the Universe using…

James Hillier

Born: 1915Birthplace: Ontario, Canada Electron lens correction device—Hillier is noted for his contributions to the development of the electron microscope. The electron lens is used to focus a beam…

William D. Coolidge

Born: 1873Birthplace: Hudson, Mass. Vacuum tube—Coolidge invented ductile tungsten, the filament material still used in incandescent lamps. He also invented the “Coolidge tube”, the model upon…