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Carpentier, Alejo

(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…

Valles Caldera National Preserve

(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…

Vaccines

Source: The U.S. Food and Drug Administration (FDA) Why do we need vaccines? Vaccines protect us against deadly diseases like measles, mumps and whooping cough. How do vaccines work? When you…

Aesop's Fables: The Wolf and the Crane

by Aesop The Trumpeter Taken PrisonerThe Eagle, the Cat, and the Wild SowThe Wolf and the Crane A Wolf once got a bone stuck in his throat. So he went to a Crane and begged her to put…

The Iliad of Homer: The Acts of Diomed

The Breach of the Truce, and t... The Episodes of Glaucus and Di... The Acts of Diomed. Diomed, assisted by Pallas, performs wonders in this day's battle. Pandarus wounds him with an…

pitchblende

(Encyclopedia) pitchblendepitchblendepĭchˈblĕndˌ [key], dark, lustrous, heavy mineral, a source of radium and uranium. Largely natural uranium oxides, triuranium octaoxide (U3O8) and uranium dioxide…