35 research outputs found

    Making Sense of the Law and Society Movement

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    This article aims to deepen scholarly understanding of the Law and Society Movement (L&S) and thereby strengthen debates about the relation between Empirical Legal Studies (ELS) and L&S. The article departs from the observation that ELS, understood as an initiative that emerged in American law schools in the early 2000s, has been quite successful in generating more attention to the empirical study of law and legal institutions in law schools, both in- and outside the US. In the early years of its existence, L&S – another important site for the empirical study of law and legal institutions – also had its center of gravity inside the law schools. But over time, it shifted towards the social sciences. This article discusses how that happened, and more in general explains how L&S became ever more diverse in terms of substance, theory and methods

    The bii4africa dataset of faunal and floral population intactness estimates across Africa's major land uses

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    This is the final version. Available on open access from Nature Research via the DOI in this recordCode availability: R code for calculating aggregated intactness scores for a focal region (e.g., ecoregion or country) and/or taxonomic group can be downloaded with the bii4africa dataset on Figshare; see Data Records section.Sub-Saharan Africa is under-represented in global biodiversity datasets, particularly regarding the impact of land use on species' population abundances. Drawing on recent advances in expert elicitation to ensure data consistency, 200 experts were convened using a modified-Delphi process to estimate 'intactness scores': the remaining proportion of an 'intact' reference population of a species group in a particular land use, on a scale from 0 (no remaining individuals) to 1 (same abundance as the reference) and, in rare cases, to 2 (populations that thrive in human-modified landscapes). The resulting bii4africa dataset contains intactness scores representing terrestrial vertebrates (tetrapods: ±5,400 amphibians, reptiles, birds, mammals) and vascular plants (±45,000 forbs, graminoids, trees, shrubs) in sub-Saharan Africa across the region's major land uses (urban, cropland, rangeland, plantation, protected, etc.) and intensities (e.g., large-scale vs smallholder cropland). This dataset was co-produced as part of the Biodiversity Intactness Index for Africa Project. Additional uses include assessing ecosystem condition; rectifying geographic/taxonomic biases in global biodiversity indicators and maps; and informing the Red List of Ecosystems.Jennifer Ward Oppenheimer Research Gran

    The bii4africa dataset of faunal and floral population intactness estimates across Africa’s major land uses

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    Sub-Saharan Africa is under-represented in global biodiversity datasets, particularly regarding the impact of land use on species’ population abundances. Drawing on recent advances in expert elicitation to ensure data consistency, 200 experts were convened using a modified-Delphi process to estimate ‘intactness scores’: the remaining proportion of an ‘intact’ reference population of a species group in a particular land use, on a scale from 0 (no remaining individuals) to 1 (same abundance as the reference) and, in rare cases, to 2 (populations that thrive in human-modified landscapes). The resulting bii4africa dataset contains intactness scores representing terrestrial vertebrates (tetrapods: ±5,400 amphibians, reptiles, birds, mammals) and vascular plants (±45,000 forbs, graminoids, trees, shrubs) in sub-Saharan Africa across the region’s major land uses (urban, cropland, rangeland, plantation, protected, etc.) and intensities (e.g., large-scale vs smallholder cropland). This dataset was co-produced as part of the Biodiversity Intactness Index for Africa Project. Additional uses include assessing ecosystem condition; rectifying geographic/taxonomic biases in global biodiversity indicators and maps; and informing the Red List of Ecosystems

    Professional flows : lateral moves of law firm partners in Hong Kong, 1994-2018

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    202208 bckwNot applicableOthersSocial Sciences and Humanities Research Council of CanadaPublished24 month

    Early senile plaques in Down's syndrome brains show a close relationship with cell bodies of neurons

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    A sensitive methenamine silver/Nissl stain was used to study the morphology and relationship of pre-plaques (presumed early senile plaques) in Down's syndrome brains to glial nuclei, capillaries and neuronal perikarya. The larger pre-plaques (greater than 50 microns) usually encompassed all of these tissue elements. However, the smaller pre-plaques (less than or equal to 50 microns) were almost always found immediately adjacent to, or around the cell bodies of neurons (often with associated satellite cells), and they failed to show any consistent, close spatial relationship to the other tissue components. Thus we consider an early stage of pre-plaque formation to be the deposition of amyloid adjacent to the cell body of a morphologically normal neuron. Based on the study of transitional forms, we suggest that the amyloid progressively accumulates around the cell body until the enclosed neuron degenerates. How these pre-plaque lesions might eventually develop into the typical plaque structure is uncertain. Our observations support the theory of a neuronal origin for plaque amyloid

    Development and testing of a prototype of a dental extraction trainer with real-time feedback on forces, torques, and angular velocity

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    The need for a training modality for tooth extraction procedures is increasing, as dental students do not feel properly trained. In this study, a prototype of a training setup is designed, in which extraction procedures can be performed on jaw models and cadaveric jaws. The prototype was designed in a way that it can give real-time feedback on the applied forces in all three dimensions (buccal/lingual, mesial/distal, and apical/coronal), torques, and angular velocity. To evaluate the prototype, a series of experimental extractions on epoxy models, conserved jaws, and fresh frozen jaws were performed. Extraction duration (s), angular velocity (degrees/s), average force (N), average torque (Nm), linear impulse (Ns), and angular impulse (N ms) were shown in real-time to the user and used to evaluate the prototype. In total, 342 (92.9 % ) successful extractions were performed using the prototype (n= 113 epoxy factory-made, n=187 epoxy re-used, n=17 conserved, n=25 fresh frozen). No significant differences were found between the conserved and the fresh frozen jaws. The fresh frozen extraction duration, linear impulse, and angular impulse differed significantly from the corresponding values obtained for the epoxy models. Extractions were successfully performed, and the applied forces, torques, and angular velocity were recorded and shown as real-time feedback using the prototype of the dental extraction trainer. The feedback of the prototype is considered reliable.Support Biomechanical EngineeringLearning & Autonomous ControlMedical Instruments & Bio-Inspired Technolog
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