Take the PlungeWriting WellPicture This: DescriptionHelp Is on the Way!Make a Deposit in the Idea BankTake the PlungeColor My WorldMusic to the EyesTools of the TradeAn Affair to Remember Write…
MACY, John B., a Representative from Wisconsin; born in Nantucket, Mass., March 25, 1799; received a liberal education; moved to New York City in 1826 and later in that year to Buffalo, N.Y.;…
COOKE, Joseph Platt, a Delegate from Connecticut; born in Stratford (now Bridgeport), Conn., on January 4, 1730; was graduated from Yale College in 1750; from 1763 to 1783 he represented the…
Earth ScienceAdvanced-Level Science ProjectsEarth ScienceHow Much Oxygen Is in the Air?Which Is More Acidic, Snow or Rain? How Can Different Polymers Be Identified? It seems at times that we…
(Encyclopedia) safety lamp, oil lamp designed for safe use in mines and other places where flammable gases such as firedamp (see damp) may be present. Its invention (c.1816) is usually attributed to…
(Encyclopedia) cinéma vérité, a style of filmmaking that attempts to convey candid realism. Often employing lightweight, hand-held cameras and sound equipment, it shows people in everyday situations…
(Encyclopedia) calcium hydroxide, Ca(OH)2, colorless crystal or white powder. It is prepared by reacting calcium oxide (lime) with water, a process called slaking, and is also known as hydrated lime…
Senate Years of Service: 1851-1855; 1855-1857; 1857-1873; 1873-1874Party: Free Soil; Opposition; Republican; Liberal RepublicanSUMNER, Charles, a Senator from Massachusetts; born in Boston,…
Senate Years of Service: 1820-1827; 1829-1833Party: Democratic Republican; Adams RepublicanHOLMES, John, a Representative from Massachusetts and a Senator from Maine; born in Kingston, Mass.,…
—By Borgna BrunnerOmo Is Oldest In 2003 the dating of an Ethiopian Homo sapiens fossil, “Herto Man,” was hailed as a milestone in paleoanthropology. At 160,000 years old, Herto Man was a full 50…