154 research outputs found

    BILL LOWE AND THE MUSIC OF EASTERN APPALACHIA

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    As the twentieth century progressed with radio and communications technology, the culture of the Appalachian mountains became an unexplored resource of vast cultural proportions. The Old Regular Baptist faith of the mountains had influenced creative thinkers in the area for generations, and the coming of settlement schools brought secular evaluation from outside the culture. As the people living in the mountains began to understand the uniqueness of their musical heritage, radio technology was becoming available on a much larger scale than ever before. Singers and songwriters from the mountains found eager audiences on a national level. One of these musicians was Bill Lowe, of Pike County, Kentucky. His early experiences with music clashed with his family\u27s belief system and he found himself caught up in the contradictions of southern spirituality. Despite these conflicts, he began a professional recording and performing career and embodied the values and traditions of rural Appalachian music for a national audience. This study will investigate the effects of the religious culture of the Appalachian mountains, as well as the effects of secular forces within the region. Bill Lowe will serve as an example of how these factors appeared as part of the larger national culture. Using the author\u27s interviews with Bill Lowe, as well as secondary sources regarding his life in the Kentucky hills, this study will consider these elements in correlation with authentic recordings of this music. Thus, elements of religion, exchange with the outside culture, and radio will be traceable in the music itself

    Older Adults and Community-based Technological Literacy Programs: Barriers & Benefits to Learning

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    In this article, we briefl y review national statistics on older adults and computer usage —statistics that led us to volunteer to develop technological literacy programs for older adults at local community centers. Because we recognize that all literacies are developed and used by specifi c people in specifi c contexts, we describe the community centers where we volunteered, our roles as teachers and later as researchers, and the technological literacy curricula we developed and revised based on extensive input from participants. We discuss the barriers and benefi ts to older adults’ acquisition of technological literacies. We argue for the importance of building communities of practice based on relational support and interaction and for the importance of drawing from assets and needs existing within communities

    Consulting with Collaborative Writing Teams

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    Going Multimodal: Programmatic, Curricular, and Classroom Change

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    AS THE STUDENTS NOTE IN this epigraph, we do not live in a monomodal world. Rather, we experience the world and communicate through multiple modalities. To confine students to learning in only one mode, typically the textual mode in first-year writing courses, indeed limits, students\u27 understanding and creative potential-a point that has reemerged in considerations of education and the teaching of writing..

    The Long-Baseline Neutrino Experiment: Exploring Fundamental Symmetries of the Universe

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    The preponderance of matter over antimatter in the early Universe, the dynamics of the supernova bursts that produced the heavy elements necessary for life and whether protons eventually decay --- these mysteries at the forefront of particle physics and astrophysics are key to understanding the early evolution of our Universe, its current state and its eventual fate. The Long-Baseline Neutrino Experiment (LBNE) represents an extensively developed plan for a world-class experiment dedicated to addressing these questions. LBNE is conceived around three central components: (1) a new, high-intensity neutrino source generated from a megawatt-class proton accelerator at Fermi National Accelerator Laboratory, (2) a near neutrino detector just downstream of the source, and (3) a massive liquid argon time-projection chamber deployed as a far detector deep underground at the Sanford Underground Research Facility. This facility, located at the site of the former Homestake Mine in Lead, South Dakota, is approximately 1,300 km from the neutrino source at Fermilab -- a distance (baseline) that delivers optimal sensitivity to neutrino charge-parity symmetry violation and mass ordering effects. This ambitious yet cost-effective design incorporates scalability and flexibility and can accommodate a variety of upgrades and contributions. With its exceptional combination of experimental configuration, technical capabilities, and potential for transformative discoveries, LBNE promises to be a vital facility for the field of particle physics worldwide, providing physicists from around the globe with opportunities to collaborate in a twenty to thirty year program of exciting science. In this document we provide a comprehensive overview of LBNE's scientific objectives, its place in the landscape of neutrino physics worldwide, the technologies it will incorporate and the capabilities it will possess.Comment: Major update of previous version. This is the reference document for LBNE science program and current status. Chapters 1, 3, and 9 provide a comprehensive overview of LBNE's scientific objectives, its place in the landscape of neutrino physics worldwide, the technologies it will incorporate and the capabilities it will possess. 288 pages, 116 figure

    Effects of antiplatelet therapy on stroke risk by brain imaging features of intracerebral haemorrhage and cerebral small vessel diseases: subgroup analyses of the RESTART randomised, open-label trial

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    Background Findings from the RESTART trial suggest that starting antiplatelet therapy might reduce the risk of recurrent symptomatic intracerebral haemorrhage compared with avoiding antiplatelet therapy. Brain imaging features of intracerebral haemorrhage and cerebral small vessel diseases (such as cerebral microbleeds) are associated with greater risks of recurrent intracerebral haemorrhage. We did subgroup analyses of the RESTART trial to explore whether these brain imaging features modify the effects of antiplatelet therapy

    A Compilation of Global Bio-Optical In Situ Data for Ocean-Colour Satellite Applications

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    A compiled set of in situ data is important to evaluate the quality of ocean-colour satellite-data records. Here we describe the data compiled for the validation of the ocean-colour products from the ESA Ocean Colour Climate Change Initiative (OC-CCI). The data were acquired from several sources (MOBY, BOUSSOLE, AERONET-OC, SeaBASS, NOMAD, MERMAID, AMT, ICES, HOT, GeP&CO), span between 1997 and 2012, and have a global distribution. Observations of the following variables were compiled: spectral remote-sensing reflectances, concentrations of chlorophyll a, spectral inherent optical properties and spectral diffuse attenuation coefficients. The data were from multi-project archives acquired via the open internet services or from individual projects, acquired directly from data providers. Methodologies were implemented for homogenisation, quality control and merging of all data. No changes were made to the original data, other than averaging of observations that were close in time and space, elimination of some points after quality control and conversion to a standard format. The final result is a merged table designed for validation of satellite-derived ocean-colour products and available in text format. Metadata of each in situ measurement (original source, cruise or experiment, principal investigator) were preserved throughout the work and made available in the final table. Using all the data in a validation exercise increases the number of matchups and enhances the representativeness of different marine regimes. By making available the metadata, it is also possible to analyse each set of data separately. The compiled data are available at doi:10.1594/PANGAEA.854832 (Valente et al., 2015)

    Morphological docking of secretory vesicles

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    Calcium-dependent secretion of neurotransmitters and hormones is essential for brain function and neuroendocrine-signaling. Prior to exocytosis, neurotransmitter-containing vesicles dock to the target membrane. In electron micrographs of neurons and neuroendocrine cells, like chromaffin cells many synaptic vesicles (SVs) and large dense-core vesicles (LDCVs) are docked. For many years the molecular identity of the morphologically docked state was unknown. Recently, we resolved the minimal docking machinery in adrenal medullary chromaffin cells using embryonic mouse model systems together with electron-microscopic analyses and also found that docking is controlled by the sub-membrane filamentous (F-)actin. Currently it is unclear if the same docking machinery operates in synapses. Here, I will review our docking assay that led to the identification of the LDCV docking machinery in chromaffin cells and also discuss whether identical docking proteins are required for SV docking in synapses
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