293 research outputs found

    Settler-on-Settler Violence: Ritual Protocols in YouTube Street Fight Videos - Part Two

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    This is part two of a series of two papers exploring a project was conducted by two Australian Aboriginal researchers, one male and one female, and might be described as ‘reverse anthropology’, in the same way that people sometimes refer to positive discrimination as ‘reverse racism’. But we would just call it anthropology; a tidal river is still a river when it flows back the other way. The project could hardly be acknowledged as anthropology though, as it was based on Indigenous methods of inquiry that do not yet belong to a formal discipline. Initially the goal was to disrupt Australian colonial narratives of ‘black-on-black violence’ and hold up a mirror to the occupying culture, by applying customary Indigenous conflict protocols to an analysis of online street fight videos featuring settlers from various colonies. However, our early encounters with the field revealed that public violence in settler communities is a lot more rule-governed than we had expected, inspiring us to a deeper investigation that went beyond critique and culture jamming. While we found a lot of common ground with settler public violence rituals, the code of chivalry we observed was unfamiliar and drew the focus of our inquiry, leading to some interesting findings about the gendered nature of non-Indigenous public violence

    Settler-on-Settler Violence: ritual protocols in YouTube street fight videos - paper 1

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    This is part one of a series of two papers exploring a project that was conducted by two Australian Aboriginal researchers, one male and one female, and might be described as ‘reverse anthropology’, in the same way that people sometimes refer to positive discrimination as ‘reverse racism’. But we would just call it anthropology; a tidal river is still a river when it flows back the other way. The project could hardly be acknowledged as anthropology though, as it was based on Indigenous methods of inquiry that do not yet belong to a formal discipline. Initially the goal was to disrupt Australian colonial narratives of ‘black-on-black violence’ and hold up a mirror to the occupying culture, by applying customary Indigenous conflict protocols to an analysis of online street fight videos featuring settlers from various colonies. However, our early encounters with the field revealed that public violence in settler communities is a lot more rule-governed than we had expected, inspiring us to a deeper investigation that went beyond critique and culture jamming. These findings are reported in the second paper, while the first contains the literature review and outlines the Indigenous methods of inquiry and theoretical approach to the field, which will be of utility to researchers even in unrelated disciplines

    Bacterial DNA topology and infectious disease

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    The Gram-negative bacterium Escherichia coli and its close relative Salmonella enterica have made important contributions historically to our understanding of how bacteria control DNA supercoiling and of how supercoiling influences gene expression and vice versa. Now they are contributing again by providing examples where changes in DNA supercoiling affect the expression of virulence traits that are important for infectious disease. Available examples encompass both the earliest stages of pathogen–host interactions and the more intimate relationships in which the bacteria invade and proliferate within host cells. A key insight concerns the link between the physiological state of the bacterium and the activity of DNA gyrase, with downstream effects on the expression of genes with promoters that sense changes in DNA supercoiling. Thus the expression of virulence traits by a pathogen can be interpreted partly as a response to its own changing physiology. Knowledge of the molecular connections between physiology, DNA topology and gene expression offers new opportunities to fight infection

    The North Atlantic Oscillation synchronises fruit production in western European forests

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    Weather and its lagged effects have been associated with interannual variability and synchrony of fruit production for several tree species. Such relationships are used often in hypotheses relating interannual variability in fruit production with tree resources or favourable pollinating conditions and with synchrony in fruit production among sites through the Moran effect (the synchronisation of biological processes among populations driven by meteorological variability) or the local availability of pollen. Climatic teleconnections, such as the North Atlantic Oscillation (NAO), representing weather packages, however, have rarely been correlated with fruit production, despite often being better predictors of ecological processes than is local weather. The aim of this study was to test the utility of seasonal NAO indices for predicting interannual variability and synchrony in fruit production using data from 76 forests of Abies alba, Fagus sylvatica, Picea abies, Pseudotsuga menziesii, Quercus petraea, and Q. robur distributed across central Europe. Interannual variability in fruit production for all species was significantly correlated with seasonal NAO indices, which were more prominently important predictors than local meteorological variables. The relationships identified by these analyses indicated that proximal causes were mostly responsible for the interannual variability in fruit production, supporting the premise that local tree resources and favourable pollinating conditions are needed to produce large fruit crops. Synchrony in fruit production between forests was mainly associated with weather and geographical distance among sites. Also, fruit production for a given year was less variable among sites during warm and dry springs (negative spring NAO phases). Our results identify the Moran effect as the most likely mechanism for synchronisation of fruit production at large geographical scales and the possibility that pollen availability plays a role in synchronising fruit production at local scales. Our results highlight the influence of the NAO on the patterns of fruit production across western Europe

    Russia’s Social Upper Class: From Ostentation to Culturedness

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    This article discusses examples of strategies employed by representatives of Russia’s new social upper class to acquire social distinction. By the late 2000s many of the upper-class Russians included in this study distanced themselves from the conspicuous ostentation ascribed to the brutish 1990s. Instead, they strove to gain legitimacy for their social position by no longer aggressively displaying their wealth, but instead elaborating more refined and individualized tastes and manners and reviving a more cultured image and self-image. These changes found their expression in various modes of social distinction ranging from external signs, such as fashion and cars, to ostentation vicariously exercised through the people these upper-class Russians surrounded themselves with

    Aqueous Nile blue: a simple, versatile and safe reagent for the detection of latent fingermarks

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    Nile blue A in aqueous solution undergoes spontaneous hydrolysis to the photoluminescent compound Nile red. This reagent provides a simple and safe approach to the detection of latent fingermarks on porous and non-porous surfaces

    The Ethics of Health Care Reform: Impact on Emergency Medicine

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    The recent enactment of the Patient Protection and Affordable Care Act (ACA) of 2010, and the ongoing debate over reform of the U.S. health care system, raise numerous important ethical issues. This article reviews basic provisions of the ACA; examines underlying moral and policy issues in the U.S. health care reform debate; and addresses health care reform’s likely effects on access to care, emergency department (ED) crowding, and end‐of‐life care. The article concludes with several suggested actions that emergency physicians (EPs) should take to contribute to the success of health care reform in America.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/91230/1/j.1553-2712.2012.01313.x.pd

    Visual Contrast Sensitivity and Discrimination for 3D Meshes and their Applications

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    International audienceIn this paper, we first introduce an algorithm for estimating the visual contrast on a 3D mesh. We then perform a series of psychophysical experiments to study the effects of contrast sensitivity and contrast discrimination of the human visual system for the task of differentiating between two contrasts on a 3D mesh. The results of these experiments allow us to propose a perceptual model that is able to predict whether a change in local contrast on 3D mesh, induced by a local geometric distortion, is visible or not. Finally, we illustrate the utility of the proposed perceptual model in a number of applications: we compute the Just Noticeable Distortion (JND) profile for smooth-shaded 3D meshes and use the model to guide mesh processing algorithms
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