(Encyclopedia) sea level, the level of the sea, which serves as the datum used for measurement of land elevations and ocean depths. Theoretically, one would expect sea level to be a fixed and…
(another pen name, Jonathan Ryder)novelistBorn: 5/25/1927Birthplace: New York City suspense novelist whose fast-paced books about spies and international conspiracies have sold more than 290…
(Encyclopedia) cellular telephone or cellular radio, telecommunications system in which a portable or mobile radio transmitter and receiver, or “cellphone,” is linked via microwave radio frequencies…
The central characters of "Thousand and One Nights" by David Johnson When Shahryar, a king in what is today Iran, or possibly India, discovered that his wife was unfaithful and…
WHAT IS GENETIC VARIATION? HOW CAN WE MANIPULATE GENES? GM FOODCLONESSTEM CELLSFIND OUT MOREGenetic engineering is the manipulation of genes of living things. Scientists can now insert genes from…
First Federal Obesity Guidelines:More than Half of All Americans are Too Fat Source: National Heart, Lung and Blood Institute Overweight and obesity continue to be an alarming public health problem…
Proof by Contradiction: The Advantage of Being IndirectGeometryTaking the Burden out of ProofsThe Law of DetachmentThe Importance of Being DirectProof by Contradiction: The Advantage of Being…
The Question: How many sons does the boxer George Foreman have with the name of George? I have heard both seven and eight. Can you find the answer to this…
(Encyclopedia) Horne, Marilyn, 1934–, American mezzo-soprano, b. Bradford, Pa. She established herself with her characterization of Marie in Alban Berg's Wozzeck at the San Francisco Opera in 1960.…
Exports, Imports—Why Bother?International TradeIntroductionExports, Imports—Why Bother?The Argument for Free TradeArguments Against Free TradeBarriers to International TradeInternational Trade…