170 research outputs found

    Comments on the Emergence and Persistence of Inequality in Premodern Societies

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    The author discusses the development and persistence of permanent inequality in human societies. He comments on an article which undertakes inequality in premodern societies and proposed that intergenerational wealth transmission is the reason for the evolution and persistence of inequality, mentioning the three categories of wealth including material, relational, and embodied

    Finding and Dating Cathlapotle

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    The people of the Cathlapotle town played a significant role in the fur trade era history of the Lower Columbia River, including Lewis and Clark’s visit on March 29th, 1806. Archaeologists and others have sought the town’s location for years. Long-term research has established that archaeological site 45CL1 on the US Fish and Wildlife Refuge near Ridgefield, Washington is Cathlapotle. This determination is based on the close match between site details with various ethnohistoric accounts of Cathlapotle. The site was occupied by ca. AD 1450 and probably moved there from another nearby location. It was abandoned sometime in the 1830s or 1840s. This chronology is based on 54 radiocarbon dates, historic trade goods including glass beads and ceramics, and documentary accounts

    A marine reservoir effect ΔR value for Kitandach, in Prince Rupert Harbour, British Columbia, Canada

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    Prince Rupert Harbour (PRH), on the north Pacific Coast of British Columbia, contains at least 157 shell middens, of which 66 are known villages, in an area of approximately 180 km. These sites span the last 9500 yr and in some cases are immense, exceeding 20,000 m surface area and several meters in depth. Recent archaeological research in PRH has become increasingly reliant on radiocarbon dates from marine shell for developing chronologies. However, this is problematic as the local marine reservoir effect (MRE) remains poorly understood in the region. To account for the MRE and to better date the Harbour’s sites, we propose a ΔR of 273 ± 38 for the PRH area, based on our work at the site of Kitandach (GbTo-34), a massive shell midden-village centrally located within the Harbour. We followed the multiple paired sample approach for samples from speci fic contexts and ensured contemporaneity within the groups of marine and terrestrial materials by statistically assessing for outliers using the χ2 test. Taking together, the results for this and previous studies, it appears the MRE was fairly constant over the past 5000 yr

    Kennewick Man: Cultural Affiliation Report, Chapter 2: Review of the Archaeological Data

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    Portland State University Professor Kenneth M. Ames was one of 18 distinguished scholars chosen to investigate and report on the cultural affiliation of the Kennewick human remains. This report reviews the extant archaeological record for the Southern Columbia Plateau

    Estimating marine reservoir effects in archaeological chronologies: Comparing ΔR calculations in Prince Rupert Harbour, British Columbia, Canada

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    The best method for quantifying the marine reservoir effect (MRE) using the global IntCal Marine13 calibration curve remains unresolved. Archaeologists frequently quantify uncertainty on MRE values as errors computed from single pairs of marineterrestrial radiocarbon ages, which we argue significantly overstates their accuracy and precision. Here, we review the assumptions, methods, and applications of estimating MRE via an estimate of the additional regional offset between the marine and terrestrial calibration curves (ΔR) for the Prince Rupert Harbour (PRH) region of British Columbia, Canada.We acknowledge the influence on ΔR of MRE variation as (1) a dynamic oceanographic process, (2) its variable expression in biochemical and geochemical pathways, and (3) compounding errors in sample selection, measurement, and calculation. We examine a large set of marine-terrestrial pairs (n = 63) from PRH to compare a common archaeological practice of estimating uncertainty from means that generate an uncertainty value of ±49 years with a revised, more appropriate estimate of error of ± 230 years. However, we argue that the use of multiple-pair samples estimates the PRH ΔR as 273 ± 38 years for the last 5,000 years. Calculations of error that do not consider these issues may generate more inaccurate age estimates with unjustifiable precision

    Holocene Settlement History of the Dundas Islands Archipelago, Northern British Columbia

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    As this article demonstrates, the Dundas Islands have been home to humans for at least eleven thousand years. This occupation was at times very extensive; this relatively small group of islands was likely home to a population of several thousand people by about two thousand years ago. While geographically on the “outer shores” of Northern Tsimshian traditional territory, these islands were in no way marginal as locations for settlement. We outline the settlement history of the archipelago by presenting the results of the Dundas Islands Archaeological Project, including the radiocarbon dating program results combined with data from three previous small-scale surveys (Archer 2000; Haggarty 1988; Inglis 1975). We discuss different types of habitation sites and chronological trends in their occupation to argue that the Dundas Islands have been near-continuously occupied for at least the entire Holocene and that this was central, not peripheral, to the broader history of human occupation in the region

    The acute transcriptional response to resistance exercise: impact of age and contraction mode

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    Optimization of resistance exercise (RE) remains a hotbed of research for muscle building and maintenance. However, the interactions between the contractile components of RE (i.e. concentric (CON) and eccentric (ECC)) and age, are poorly defined. We used transcriptomics to compare age-related molecular responses to acute CON and ECC exercise. Eight young (21±1 y) and eight older (70±1 y) exercise-naïve male volunteers had vastus lateralis biopsies collected at baseline and 5 h post unilateral CON and contralateral ECC exercise. RNA was subjected to next-generation sequencing and differentially expressed (DE) genes tested for pathway enrichment using Gene Ontology (GO). The young transcriptional response to CON and ECC was highly similar and older adults displayed moderate contraction-specific profiles, with no GO enrichment. Age-specific responses to ECC revealed 104 DE genes unique to young, and 170 DE genes in older muscle, with no GO enrichment. Following CON, 15 DE genes were young muscle-specific, whereas older muscle uniquely expressed 147 up-regulated genes enriched for cell adhesion and blood vessel development, and 28 down-regulated genes involved in mitochondrial respiration, amino acid and lipid metabolism. Thus, older age is associated with contraction-specific regulation often without clear functional relevance, perhaps reflecting a degree of stochastic age-related dysregulation.This article is freely available via Open Access. Click on the Publisher URL to access it via the publisher's site.CSD was funded by a doctoral training studentship from Bournemouth University. This work was generously supported by the Wellcome Trust Institutional Strategic Support Award (WT105618MA). RMA is generously supported by the Wellcome Trust Institutional Strategic Support Award (WT105618MA) and an EPSRC/BBSRC Innovation Fellowship (EP/S001352/1). We acknowledge the Medical Research Council [grant number MR/P021220/1] [grant number MR/K00414X/1] and Arthritis Research UK [grant number 19891] as part of the MRC-ARUK Centre for Musculoskeletal Ageing Research awarded to the Universities of Nottingham and Birmingham, and the National Institute for Health Research, Nottingham Biomedical Research Centre. This work was supported by the Biotechnology and Biological Sciences Research Council [grant number BB/N015894/1]. This work was supported by a grant from the Swedish Research Council for Sport Science (dnr 2016/125 and dnr 2017/143). C.R.G.W is supported by the Biotechnology and Biological Sciences Research Council-funded South West Biosciences Doctoral Training Partnership [BB/J014400/1; BB/M009122/1].Published versio

    Who Commits to the Rule of Law? Constrained Government and Foreign Direct Investment in Postcommunist States

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    Research linking credible commitments to the rule of law in terms of property rights and contract enforcement is a hallmark of recent efforts to explain economic growth and development. However, many postcommunist states have had difficulty making such commitments and spurring growth. Many argue political polarization prevents states from reforming laws and protecting property rights in some countries whereas single-party governance renders state promises incredible in others. I analyze pooled cross-sectional time-series data for twenty-four postcommunist countries and provide evidence effective constraints among elected officials act as democratic commitment mechanisms rendering government policies credible
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