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Geometry: The Law of Detachment

The Law of DetachmentGeometryTaking the Burden out of ProofsThe Law of DetachmentThe Importance of Being DirectProof by Contradiction: The Advantage of Being IndirectThe Given Information: Use It or…

Clauses: Adjective Clauses: Paint by Numbers

Adjective Clauses: Paint by Numbers Clauses Introduction Subordinating Conjunctions Link 'Em Together Adverb Clauses: Hot Shots Adjective Clauses: Paint by Numbers Noun Clauses: What's in a…

poliomyelitis

(Encyclopedia) poliomyelitispoliomyelitispōˌlēōmīˌəlīˈtĭs [key], polio, or infantile paralysis, acute viral infection, mainly of children but also affecting older persons. Historically, there were…

Cool Computer Software

Liberty’s Kids (The Learning Company)As a reporter for the Philadelphia Gazette, you interview the major players in the American Revolution, gather facts and quotes and write your own front-page…

The Southwest

Source: The U.S. Department of State The Southwest differs from the adjoining Midwest in weather (drier), population (less dense), and ethnicity (strong Spanish-American and Native-American…

neutrino

(Encyclopedia) neutrinoneutrinon&oomacr;trēˈnō [key] [Ital.,=little neutral (particle)], elementary particle with no electric charge and a very small mass emitted during the decay of certain…

tuna

(Encyclopedia) tuna or tunny, game and food fishes, the largest members of the family Scombridae (mackerel family) and closely related to the albacore and bonito. They have streamlined bodies with…

Valentine's Day History

Pagan festivals, Christian saints, Chaucer's love birds, and the Greeting Card Association of America by Borgna Brunner Roman Roots The history of Valentine's Day is obscure, and…

Food-Borne Diseases: Listeria

ListeriaFood-Borne DiseasesIntroductionE. coli 0157:H7CamphylobacterSalmonellaShigellaListeriaTrichinosis Doctors and epidemiologists often overlook Listeria, another food-borne bacterium, as a…