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PREP07 Test 1 GWD
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A recent review of pay scales indicates that CEO's now earn an average of 419 times more pay than blue-collar workers, compared to a ratio of 42 times in 1980.
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PREP07 Test 1
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At one time, the majestic American chestnut was so prevalent that it was said a squirrel could jump from tree to tree without once touching the ground between New York State and Georgia.
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PREP07 Test 1
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It seems likely that a number of astronomical phenomena, such as the formation of planetary nebulas, may be caused by the interaction where two stars orbit each other at close range.
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PREP07 Test 1
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In human hearing, subtle differences in how the two ears hear a given sound help the listener determine the qualities of that sound.
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PREP07 Test 1
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The federal rules aimed at protecting human subjects of medical experiments were established to ensure that patients must be warned of potential risks and an independent panel would evaluate the experiment before it was conducted.
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PREP07 Test 1
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Often billed as "The Genius," American pianist, singer, composer, and bandleader Ray Charles is credited with soul music's early development, a genre based on melding gospel, rhythm and blues, and jazz.
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PREP07 Test 1
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By pressing a tiny amount of nitrogen between two diamonds to a pressure of 25 million pounds per square inch, scientists not only were able to transform the gas into a solid, but they also created a semiconductor similar to silicon.
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PREP07 Test 1
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Recent research indicates that two popular arthritis drugs are possibly not as safe as they initially believed.
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PREP07 Test 1
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A recent United States Census Bureau report shows that there are more than three times as many households where the children and grandchildren are living in their grandparents' home as compared to households where the grandparents are living in their children's or grandchildren's home.
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PREP07 Test 1
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A different variety of giant tortoise can be found on every island in the Galapagos, each with its own style of oversized dome and comically scrawny neck.
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PREP07 Test 1
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The largest trade-book publisher in the United States has announced the creation of a new digital imprint division, under which it will publish about 20 purely digital works to be sold online as either electronic books or downloadable copies that can be printed upon purchase.
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PREP07 Test 1
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The government predicts that, for consumers and businesses that make a large number of long-distance calls, the Federal Communications Commission's recent telephone rate cuts will greatly reduce costs, though some consumer groups disagree with the government's estimates, suggesting they are too optimistic.
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PREP07 Test 1
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Shrinking faster than any other nation's, the projected decline of Japan's population is 17 percent during the next half century.
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PREP07 Test 2
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One of the earliest known birds with a beak and contour feathers, Confuciusornis sanctus, with large clawlike "thumbs" on its wings, which probably helped them to climb up to a launching position for flight.
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PREP07 Test 2
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In the mid-1920s the Hawthorne Works of the Western Electric Company was the scene of an intensive series of experiments that would investigate changes in working conditions as to their effects on workers' performance.
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PREP07 Test 2
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The human nervous system and a telephone system superficially resemble each other, not only because the former carries information in the form of electrical impulses and because all of its neural pathways converge in the brain and spinal cord, which together form a kind of central exchange.
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PREP07 Test 2
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A team of scientists has recently provided evidence of Earth being bombarded daily with as many as 40,000 small comets, vaporizing in the upper atmosphere to fall to Earth as rain.
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PREP07 Test 2
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Unlike many United States cities, where a river is no longer the focal point of urban life, the river in San Antonio winds through the middle of the business district, and the River Walk, or Paseo del Rio, is the city's most popular attraction.
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PREP07 Test 2
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Like the great navigators who first sailed around the Earth, to gather information about its size and curvature of its surface, new observations have been made by astronomers that show with startling directness the large-scale geometry of the universe.
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PREP07 Test 2
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According to one expert, the cause of genetic irregularities in many breeds of dog is not so much that dogs are being bred for looks or to meet other narrow criteria as that the breeds have relatively few founding members.
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