(Encyclopedia) petrology, branch of geology specifically concerned with the origin, composition, structure, and properties of rocks, primarily igneous and metamorphic, and secondarily sedimentary. It…
(Encyclopedia) porticoporticopôrˈtĭkō [key], roofed space using columns or posts, generally included between a wall and a row of columns or between two rows of columns. In Greece the stoa was a…
(Encyclopedia) Carpentier, AlejoCarpentier, Alejoälāˈhō kärpĕntyārˈ [key], 1904–80, Cuban novelist and musicologist. As a political exile in Paris between 1928 and 1939, Carpentier was strongly…
(Encyclopedia) Valles Caldera National PreserveValles Caldera National Preserveväˈyās [key], 89,766 acres (36,343 hectares), N N.Mex.; est. 2000 by Valles Caldera Trust, transferred to National Park…
(Encyclopedia) Red River, Chinese Yuan Chiang, Vietnamese Song Hong, chief river of N Vietnam, 730 mi (1,175 km) long, rising in Yunnan prov., S China, and flowing southeast, in deep, narrow gorges,…
(Encyclopedia) Spillane, Mickey (Frank Morrison Spillane), 1918–2006, American mystery writer, b. Brooklyn, N.Y. After contributing stories to comic books and pulp magazines, Spillane wrote his first…
Try to imagine life without antibiotics. We wouldn’t live nearly as long as we do without them. Here’s a look at some discoveries that have changed the world. It’s impossible to rank their…
ATMOSPHEREOCEANSLANDICE AND SNOWEARTH SCIENCESTUDY TECHNIQUESBIOSPHEREAXISFIND OUT MOREThe rocky ball that forms our world is one of nine planets in the Solar System. Earth is a sphere, with a…
BEDROCKSEDIMENTARY ROCKSIGNEOUS ROCKSMETAMORPHIC ROCKSFIND OUT MOREThe Earth is covered in a layer of solid rock called the crust. Rocks are either SEDIMENTARY , IGNEOUS, or METAMORPHIC…
The better part of valour is discretion . . . Tragedies • Histories • Comedies William Shakespeare Related Links William ShakespeareQuiz: Famous Quotes from…
