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872 Scientists say that, by bathing the skin cells in extracts of immune cells, that human skin cells in a test tube are made to behave as if they were immune system cells.
880 Because property values sometimes fluctuate in response to economic conditions beyond the purchaser's control, an investment in a home may underperform when compared to that of other widely available classes of investments.
888 Even with the proposed budget cuts and new taxes and fees, the city's projected deficit for the next budget year is getting worse: administration officials announced that they believe the gap will be $3.7 billion, a billion dollars over what it was predicted just two months ago.
891 Scientists claim that the discovery of the first authenticated mammal bones in amber could provide important clues of determining, in addition to how, when mammals colorized the islands of the West Indies.
910 Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.
914 As opposed to adults, pound for pound, children breathe twice as much air, drink two and a half times as much water, eat three to four times as much food, and have more skin surface area.
916 In the six-month period that ended on September 30, the average number of Sunday papers sold by the company was 81,000 less than the comparable period a year ago.
918 Michelangelo, it is believed, had made his sculpture of David using an eight-inch plaster model that was recently discovered after being lost for nearly 300 years.
920 Just like the Internet today, often being called an "information superhighway," the telegraph was described in its day as an "instantaneous highway of thought."
926 The ages of tropical rain forest trees provide critical information for understanding the dynamics of tree populations, to determine historical patterns of disturbance, developing sustainable forestry practices, and calculating carbon recycling rates.
931 Unlike historical evidence of weather patterns in other regions of the world, which scientists find abundantly represented in tree rings, ancient glacial ice, or layers of sediment from seasonal plankton, the North Pole's clues about its past climates are almost nonexistent.

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