2,296 research outputs found

    Home Rule Analysis (Municipal and County)

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    A booklet containing the historical significance, strengths and weaknesses in county Home Rule in Jacksonville

    A tale of two diesels.

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    Two different samples of diesel exhaust particles (DEP) have been used by toxicologists interested primarily in cancer/genotoxicity or noncancer--such as pulmonary inflammation and asthma exacerbation--health end points. These are, respectively, a standard reference material, SRM 2975, from a heavy-duty diesel engine, and a sample collected by researchers at the Japanese National Institute for Environmental Studies from an automobile diesel engine. In this issue of Environmental Health Perspectives companion papers appear, by David DeMarini and co-workers and by Pramila Singh and co-workers, characterizing these samples and contrasting their Salmonella mutagenicity and pulmonary toxicity in mice. This commentary is a plea from an atmospheric chemist for more cooperation among toxicologists, analytical chemists, atmospheric chemists, and automotive and combustion engineers to provide a comprehensive assessment of health risks to humans exposed to contemporary diesel emissions and for greater quantities and more diverse types of DEP and ambient samples (i.e., SRMs) that can be shared and exhaustively characterized. This needs to be a continuing process as diesel engines, fuels, and exhaust components evolve in response to control regulations

    Presidential Address - A Review of the Development of Mineralogy

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    Man\u27s interest in and knowledge of some of the commoner minerals such as quartz, mica and calcite, the native metals and the precious stones, must have begun practically with the beginning of his occupancy of the earth and the command given to him to subdue the earth involved bringing its inorganic matters within the range of his knowledge and control. Thus early were the physical sciences authoritatively introduced into the curriculum of the great school of his life

    Exploring the Circle of Courage Through Art Therapy: A Literature Review

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    The Circle of Courage is a framework based on Native principles of childrearing that identifies four major components of healthy human development. When fulfilled, these areas of development provide a strong foundation of resilience to life challenges. However, with youth of today these basic developmental needs are often unmet, leaving them at risk for maladaptive coping strategies, behavioral problems, and other challenges as they transition into adulthood. Although extensive work has been done to adapt the Circle of Courage framework to clinical settings, there is little information on how to help youth engage in a process of self-reflection within this framework to aid in healing areas of development that remain unfulfilled. Art therapy provides an important method for promoting positive feelings of self-worth and competence, which can serve to help heal these unfulfilled developmental areas. The purpose of this thesis is to explore the use of art therapy, as a means for clients to engage in a self-reflective process of their own strengths and risks within the Circle of Courage framework, as well as to promote insight and healing through the use of art

    History of Geology in Iowa for the Last Twenty-Five Years

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    This is so broad and full a subject that the necessary limitation of time and space will compel its treatment in a somewhat bald and meager manner. It is fitting that there should be given at the outset a brief statement of what had been accomplished previous to 1886-7. In 1839 Dr. D.D. Owen organized a corps of observers with whom he made a reconnaissance of portions of Iowa, Wisconsin and Illinois, the results of which were published in 1840 as a part of the senate documents. Several years later he revisited the state and the fruits of his survey were published by authority of Congress in 1852 under the title of a Report of a Geological Survey of Wisconsin, Iowa and Minnesota. These pioneer reports, so far as they pertained to Iowa have been of marked value from a scientific standpoint, because they called attention to the things and places of special interest in a state where geology was in the main somewhat tame and obscure and apparently unimportant in an economic sense. The difficulties that had to be overcome at the time were extreme and one wonders that results of such extent and value were achieved under the attendant trying circumstances

    Soil parent material stratigraphy and soil development, Cedar County, Iowa

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    The Role of Glycosylation in Receptor Signaling

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