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Borelli, Giovanni Alfonso

(Encyclopedia) Borelli, Giovanni Alfonso jōvän´nē älfôn´sō bôrĕl´lē, 1608–79, Italian physiologist, physicist, astronomer, and mathematician; son of a Spanish infantryman. His wide interests led to…

Humboldt, Alexander, Freiherr von

(Encyclopedia) Humboldt, Alexander, Freiherr von hŭm´bōlt, Ger. älĕksän´dər frī´hĕr fən ho͝om´bôlt, 1769–1859, German naturalist, inventor, explorer, and author, the most eminent scientist of his…

volcano

(Encyclopedia) volcano, vents or fissures in the earth's crust through which gases, molten rock, or lava, and solid fragments are discharged. Their study is called volcanology. The term volcano…

2002 National Medal of Science Recipients

Leo L. Beranek, retired engineer, for designing communications and noise-reduction systems for World War II aircraft. He has also written about the acoustics of concert halls. John I.…

Earthquakes and Volcanic Eruptions

Here is information on significant earthquakes and volcanic eruptions going back as early as A.D. 79 and through the present. A.D. 79…