Period, Question Mark, Exclamation Mark: The End of the LinePunctuationPunctuation MattersPeriod, Question Mark, Exclamation Mark: The End of the LineThe Comma: A Major PlayerThe Semicolon: Love…
Global Warming Many scientists believe human-caused pollution is making the world a warmer place, a process called global warming. Scientists also think…
AFC West The defending Super Bowl champion Denver Broncos have the same horsepower they had a year ago when they broke the AFC jinx against the Packers in San Diego. They've got the talent, the…
Facts About the Struggle The Kurdish population stands at about 20-25 million. It is concentrated in the parts of eastern Turkey, Syria, Iran, and Iraq that make up the region known as Kurdistan…
Properties of Acids and BasesChemistryAcids and BasesWhat Are Acids and Bases?Properties of Acids and BasesThe pH ScaleTitrationsBuffers It's frequently possible to tell acids and bases apart from…
LIMESTONEFIND OUT MOREMany cleaning products, such as soap and oven cleaner, are bases. Bases neutralize (cancel out) acids. Alkalis are bases that dissolve in water. Strong bases, such bleach,…
(Encyclopedia) Kennedy, Ted (Edward Moore Kennedy), 1932–2009, U.S. senator from Massachusetts (1962–2009), b. Boston, Mass., youngest son of Joseph P. Kennedy and the last survivor of brothers…
(Encyclopedia) ceriumceriumsērˈēəm [key] [from the asteroid Ceres], metallic chemical element; symbol Ce; at. no. 58; at. wt. 140.116; m.p. 799℃; b.p. 3,426℃; sp. gr. 6.77 at 25℃; valence +3 or +4.…
(Encyclopedia) shock, any condition in which the circulatory system is unable to provide adequate circulation to the body tissues, also called circulatory failure or circulatory collapse. Shock…
WorldAtomic Energy Board to Report Iran to the UN (Feb. 4): At an emergency meeting of the International Atomic Energy Agency, board members vote to refer Iran to the Security Council, citing its…
