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button

(Encyclopedia) button, knoblike appendage used on wearing apparel either for ornament or for fastening. Although buttons were sometimes used as fasteners by Greeks and Romans, they were more often…

Aegean civilization

(Encyclopedia) Aegean civilizationAegean civilizationējēˈən [key], term for the Bronze Age cultures of pre-Hellenic Greece. The complexity of those early civilizations was not suspected before the…

Guide to Fats

—by Eleanor MayfieldSource: The U.S. Food and Drug Administration Once upon a time, we didn't know anything about fat except that it made foods tastier. We cooked our food in lard or shortening. We…

Chemistry: Stoichiometry: Fun to Say, Fun to Do!

Stoichiometry: Fun to Say, Fun to Do!ChemistryStoichiometryStoichiometry: Fun to Say, Fun to Do!Simple Stoichiometry CalculationsLimiting Reactant ProblemsGas Stoichiometry Before I write another…

artificial insemination

(Encyclopedia) artificial insemination, technique involving the artificial injection of sperm-containing semen from a male into a female to cause pregnancy. Artificial insemination is often used in…

Halloween History

The tangled origins of the October 31 holiday by Shmuel Ross Related Links Halloween GuideHalloween Traditions  New! Halloween by the NumbersHalloween Hangman  New…

Stardust Memories

Stardust Memories After a seven-year, three-billion-mile expedition through the solar system, NASA’s Stardust spacecraft capsule landed in the Arizona desert on Jan. 15, 2006, with an impressive…

The Headlines from 1997

The Question: I was browsing your web site hoping to find a section that would help me with my son's baby book. My son was born in 1997 and I'd like to put some trivia in his book for when he…

Origin of "Tarheel State"

The Question: The state of North Carolina is nicknamed “The Tar Heel State.” Where did this nickname originate? What does it mean? The Answer: The…

Post-9/11 Changes By the U.S. Government

Has the government's response to 9/11 compromised civil rights in the name of national security? by Beth Rowen USA Patriot Act and Domestic Spying | Department of Homeland Security |…