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sociology

(Encyclopedia) sociology, scientific study of human social behavior. As the study of humans in their collective aspect, sociology is concerned with all group activities—economic, social, political,…

steamship

(Encyclopedia) steamship, watercraft propelled by a steam engine or a steam turbine. Despite such innovations as turbo-electric drive, which converts steam energy into rotational power for…

December 2001 News and Events

World Terrorist Bombings Kill 25 in Israel (Dec. 2): Third Palestinian suicide attack in about 12 hours kills 16 on city bus in Haifa, Israel. Israelis tighten security after series of bombings…

Coca-Cola 600

Coca-Cola 600 Held over 400 laps on 1.5-mile oval at Lowe's Motor Speedway in Concord, N.C. Previously known as World 600 (1960-85). It has been Coca-Cola 600 since 1986 (in 2002, sponsors…

Chemistry: The pH Scale

The pH ScaleChemistryAcids and BasesWhat Are Acids and Bases?Properties of Acids and BasesThe pH ScaleTitrationsBuffers As you might imagine, it's useful to be able to measure the acidity of…

Winter Verse

Winter VerseA selection of quotations pondering the chill winds and quiet thoughts of winter Compiled by Ann-Marie Imbornoni Announced by all the trumpets of the sky, Arrives the snow. Ralph…