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209
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The gyrfalcon, an Arctic bird of prey, has survived a close brush with extinction; its numbers are now five times greater than when the use of DDT was sharply restricted in the early 1970's.
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210
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Variability in individual physical traits both are determined through genetic factors, environmental factors, and interaction between these factors.
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211
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In his Uses of Enchantment (1976), it was psychologist Bruno Bettelheim`s assertion that the apparently cruel and arbitrary nature of many fairy tales actually are an instructive reflection of a child`s natural and necessary "killing off" of successive phases in his or her own development.
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212
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After weeks of uncertainty about the course the country would pursue to stabilize its troubled economy, officials reached a revised agreement with the International Monetary Fund, pledging the enforcement of substantially greater budget discipline as that which was originally promised and to keep inflation below ten percent.
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213
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A new satellite sweeping over the poles at altitudes of up to 32,000 miles is called POLAR, giving scientists their best look yet at the magnetosphere, the region of space under the invisible influence of Earth`s magnetic field.
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214
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The treasury market dropped in response to a decrease in the value of the dollar and to continued concern that the economy might be growing as fast as to accelerate inflation and drive interest rates higher.
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215
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Japanese researchers are producing a series of robots that can identify human facial expressions, to which they will then respond; their goal is primarily creating a robot that will empathize with us.
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216
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Despite a growing population, in 1998 the United States used 38 billion fewer gallons of water a day when comparing it to the period of all-time highest consumption almost 20 years earlier.
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217
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A federal advisory panel proposes expanding a national computerized file to permit law-enforcement agencies to track people under criminal investigation but have not yet been charged.
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218
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Analysts believe that whereas bad decisions by elected leaders can certainly hurt the economy, no administration can really be said to control or manage all of the complex and interrelated forces that determine the nation`s economic strength.
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219
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Nearly unrivaled in their biological diversity, coral reefs provide a host of benefits that includes the supply of protein for people, protecting shorelines, and they contain biochemical sources for new life-saving medicines.
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220
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Literacy opened up entire realms of verifiable knowledge to ordinary men and women having been previously considered incapable of discerning truth for themselves.
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221
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In early Mesopotamian civilization, castor oil served not only as a laxative, but also a skin-softening lotion and it was a construction lubricant for sliding giant stone blocks over wooden rollers.
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222
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An analysis of tree bark all over the globe shows that chemical insecticides have often spread thousands of miles from where they were originally used.
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223
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According to the Economic Development Corporation of Los Angeles County, if one were to count the Los Angeles metropolitan area as a separate nation, it would have the world`s eleventh largest gross national product, that is bigger than that of Australia, Mexico, or the Netherlands.
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224
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According to some economists,the July decrease in unemployment so that it was the lowest in two years suggests that the gradual improvement in the job market is continuing.
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225
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Developed by Pennsylvania's Palatine Germans about 1750, they made Conestoga wagons with high wheels capable of crossing rutted roads, muddy flats, and the nonroads of the prairie and they had a floor curved upward on either end so as to prevent cargo from shifting on steep grades.
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226
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The reason many people consider the Mediterranean island to be ungovernable is because that the inhabitants long ago learned to distrust and neutralize all written laws.
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227
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Because the collagen fibers in skin line up in the direction of tension, surgical cuts made along these so-called Langer`s lines sever fewer fibers and is less likely to leave an unsightly scar.
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228
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The completion in 1925 of the Holland Tunnel, linking Manhattan with New Jersey's highways, which permitted 2,000 cars to pass through each tube every hour and was hailed as the decade's $48 million engineering masterpiece.
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