(Encyclopedia) tektitetektitetĕktīt [key], naturally occurring, silica-rich (65%–80% SiO2) glass resembling obsidian and sometimes shale, and is normally jet black to olive green. They appear as…
(Encyclopedia) Title IX, clause of the Educational Amendments of 1972 that reads: “No person in the United States shall, on the basis of sex, be excluded from participation in, be denied the benefits…
Filling in the Gaps Do you think that it seems like slavery casts a pall over our national heritage? It does. Do you think that this could ever be removed?…
electrical engineer, inventorBorn: 7/9/1856Birthplace: Smiljan Lika, Croatia A brilliant but eccentric inventor, Tesla is responsible for many of the innovations in modern electrical machinery and…
What is this job like? Financial analysts help people decide how to invest their money. They work for banks, insurance companies, mutual funds, and securities firms. They often meet with company…
An explanation of the power to pardon granted to U.S. presidents by the Constitution
by Mark Hughes President Gerald Ford testifying before the House Judicial Committee about his…
The Terrifying Truth About Dracula How a 15th-century Walachian prince became a frightening modern legend by David Johnson The rugged Transylvanian Alps provide one of the most…
Fibers Every Which WayAnatomy and PhysiologyThe MusclesActing in ConcertFibers Every Which Way Muscles are sometimes named by virtue of the direction of the muscle fibers. There are only three…
(Encyclopedia) dinoflagellatadinoflagellatadīˌnōflăjˌəlätˈə, –lāˈtə [key], phylum (division) of unicellular, mostly marine algae, called dinoflagellates. In some classification systems this division…