Results 51 to 60 of about 45,050,096 (318)

Archaeology’s Contribution to Island Studies

open access: yesIsland Studies Journal, 2007
Archaeology has, and will continue to make, some important contributions to the broad field of ‘island studies’. In this essay, I discuss four major topics in island archaeology that are helping to shape the way we think about islands. These include: (1) seafaring and the human maritime diaspora; (2) the effects of aquatic boundaries and isolation; (
openaire   +3 more sources

Introduction: Towards an Expanded Concept of Island Studies

open access: yes, 2016
In one sense, islands are easy to characterise, the working definition being that they are areas of land wholly surrounded by water. But the edges of that definition are blurred.
P. Hayward
semanticscholar   +1 more source

DDX3X induces mesenchymal transition of endothelial cells by disrupting BMPR2 signaling

open access: yesFEBS Open Bio, EarlyView.
Elevated DDX3X expression led to downregulation of BMPR2, a key regulator of endothelial homeostasis and function. Our co‐immunoprecipitation assays further demonstrated a molecular interaction between DDX3X and BMPR2. Notably, DDX3X promoted lysosomal degradation of BMPR2, thereby impairing its downstream signaling and facilitating endothelial‐to ...
Yu Zhang   +7 more
wiley   +1 more source

Income and rural–urban status moderate the association between income inequality and life expectancy in US census tracts

open access: yesJournal of Health, Population and Nutrition, 2023
Background A preponderance of evidence suggests that higher income inequality is associated with poorer population health, yet recent research suggests that this association may vary based on other social determinants, such as socioeconomic status (SES ...
Steven A. Cohen   +3 more
doaj   +1 more source

Contribution to the Odonata of the Kingdom of Tonga [PDF]

open access: yes, 2013
New data on the Odonata fauna of the Kingdom of Tonga is provided following re-search carried out on Tongatapu and 'Eua islands in July 2012. New localities for Tongatapu Island are put on record and previous studies are compared with new pheno-logical ...
Marinov, Milen
core  

Paleomagnetic study of Deception Island, South Shetland Islands, Antarctica [PDF]

open access: yesGeophysical Journal International, 2003
SUMMARY A paleomagnetic study was carried out on recent volcanic rocks exposed on Deception Island (63.0°S, 60.6°W), Antarctica. Sampling comprised all stratigraphic units exposed on the island, which include basaltic, andesitic and trachytic lavas, basaltic dykes and pyroclastic flows.
Baraldo, A.   +3 more
openaire   +4 more sources

A note on the significance of geographic location in island studies

open access: yesIsland Studies Journal, 2014
This exploratory study suggests that over half of island welfare can be explained primarily by geographic proximity to world markets and affiliated political status.
J. Mcelroy, H. Lucas
semanticscholar   +1 more source

Basilar Artery Occlusion Stroke Managed With Tenecteplase Versus Alteplase Before Endovascular Treatment (BAO‐TNK)

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To compare the effectiveness and safety of tenecteplase (TNK) versus alteplase (TPA) in patients with basilar artery occlusion prior to endovascular treatment (EVT). Methods In this retrospective multicenter study (BAO‐TNK), we analyzed consecutive BAO patients from 14 U.S.
Rahul R. Karamchandani   +38 more
wiley   +1 more source

Community-based social determinants of three measures of mortality in Rhode Island cities and towns

open access: yesArchives of Public Health, 2020
Background Efforts to understand and address the causes of place-based health disparities have focused primarily on understanding the social determinants of health on a large geographic level, such as the region, state, or county.
Steven A. Cohen   +2 more
doaj   +1 more source

The Geopolitical Context of Chamorro Cultural Preservation in Guam, U.S.A. [PDF]

open access: yes, 2012
An unincorporated Pacific Island territory of the United States, Guam has been under American rule since 1 898. While proudly Chamorro, the descendants of indigenous islanders have been American citizens since 1 950. U.S.
Diaz, Maria-Elena D.
core   +1 more source

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