(Encyclopedia) Sylvester, James Joseph, 1814–97, English mathematician. He studied at Cambridge for four years after 1831, but because degrees were limited to members of the Church of England and he…
(Encyclopedia) Bell, Andrew, 1753–1832, British educator, b. St. Andrews, Scotland. After seven years in Virginia as a tutor, he returned to England, was ordained a deacon, and later (1789) became…
Find out how many veterans live in the United States, where they served, their race, ethnicity, and more. Source: U.S. Census Bureau Iwo Jima Memorial…
Drawing Lewis StructuresChemistryBonding and Structure in Covalent CompoundsCovalent Compounds Get MysteriousThe Mystery and Wonder of Hybrid OrbitalsDrawing Lewis StructuresResonance…
The Challenge: Convert Arabic numbers to Roman numerals or vice versa. Arabic to Roman Please choose your level of difficulty. Beginner—Convert numbers from 1-50…
(Encyclopedia) actinide series, a series of radioactive metallic elements in Group 3 of the periodic table. Members of the series are often called actinides, although actinium (at. no. 89) is not…
From the U.S. Census Bureau
by U.S. Census Bureau Related Links Notable American Indians American Indian Tribes Glossary of American Indian Terms Navajo Code…
(Encyclopedia) MonaghanMonaghanmŏnˈəhən, –hănˌ [key], county (1991 pop. 51,293), 498 sq mi (1,290 sq km), N Republic of Ireland, bordered on the N by Northern Ireland. The county seat is Monaghan.…
(Encyclopedia) Moscheles, IgnazMoscheles, Ignazĭgˈnäts mōshˈəlĕs [key], 1794–1870, Bohemian-German musician. Born in Prague, Moscheles was a child prodigy. He studied in Vienna with Johann…
(Encyclopedia) cochinealcochinealkŏchĭnēlˈ, kŏchˈĭnēl [key], natural dye obtained from an extract of the bodies of the females of the cochineal bug (Dactylopius confusus) found on certain species of…