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Sims, who died on Aug. 1 of cancer at age 61, was one of the first black supermodels. Her appearance on the cover of Ladies' Home Journal in 1968 broke the color barrier at mainstream women's magazines, and she went on to grace the covers of Cosmopolitan, Essence and Life. While she was not the only successful black model from that era (there were others, among them Donyale Luna), she was the first dark-skinned model to enjoy such a measure of mainstream success. (Read about the role of race in modeling...
...research, published in the journal Nature, would suggest that the mass movement of marine animals - even tiny zooplankton like krill - may play a significant role in churning the ocean. It may help mix cooler water with warm, and disperse salts, nutrients and pollutants across the various layers of the ocean, which is critical to the strength of ocean currents and the health of the marine ecosystems. Although ocean-mixing is largely attributed to winds and ocean tides, scientists say those factors cannot account for all the energy required to power, for example, the complete circulation of cold and warm water...
...study published in the journal Science in 2006, a group of scientists reported that they had recorded enormous water turbulence in a fjord in Canada caused by a swarm of swimming krill. These tiny shrimplike organisms have a predictable up-and-down movement: during the day, they descend several hundred feet in the ocean, where there is less light and fewer predators; as the sun sets, they swim up to the surface to feed. Swarms of krill can be massive - some the size of Rhode Island - so oceanographers have suspected that their movements may cause significant ocean-mixing. But despite...
...Technology is only part of the reason. A study published in the February issue of the Journal of Educational Psychology found that just 9% of American high school students use an in-class computer more than once a week. The cause of the decline in handwriting may lie not so much in computers as in standardized testing. The Federal Government's landmark 1983 report A Nation at Risk, on the dismal state of public education, ushered in a new era of standardized assessment that has intensified since the passage in 2002 of the No Child Left Behind Act. "In schools...
...regular doctors really know how to identify depression? A large new scientific review published July 30 by the journal Lancet suggests they don't. In a review of 41 previous studies involving more than 50,000 patients in developed nations around the world, the authors found that general practitioners make frequent mistakes, missing true cases of depression about half the time and incorrectly diagnosing it in 19% of healthy people. (See how to prevent illness...