Results 31 to 40 of about 4,949,250 (370)
Migration and invention in the Age of Mass Migration [PDF]
Journal of Economic Geography, 2021 AbstractMore than 30 million people migrated to the USA between late-ninetieth and early-twentieth century, and thousands became inventors. Drawing on a novel dataset of immigrant inventors in the USA, we assess the city-level impact of immigrants’ patenting and their contribution to the technological specialization of the receiving US regions between ...
Sergio Petralia +4 more
openaire +4 more sources
Does relative deprivation induce migration?: evidence from Sub-Saharan Africa [PDF]
, 2020 This analysis revisits the decades-old relative deprivation theory of migration. In contrast to the traditional view that migration is driven by absolute income maximization, we test whether relative deprivation induces migration in the context of sub ...
Filmer D +3 more
core +1 more source
International Journal of Infectious Diseases, 2020 Objective: This study aimed to address the prevalence of infectious diseases in a population of unaccompanied immigrant minors living in reception centres of Rome, Italy. Methods: The study was carried out from January 2013 to January 2019.
Rosalia Marrone +5 more
doaj +1 more source
Wing tags severely impair movement in African Cape Vultures
Animal Biotelemetry, 2021 Background The use of tracking technologies is key for the study of animal movement and pivotal to ecological and conservation research. However, the potential effects of devices attached to animals are sometimes neglected. The impact of tagging not only
Teja Curk +6 more
doaj +1 more source
Journal of Clinical Tuberculosis and Other Mycobacterial Diseases, 2019 Setting: The introduction of Xpert MTB/RIF (Xpert) and renewed interest in chest x-ray (CXR) for tuberculosis testing has provided additional choices to the smear-based diagnostic algorithms used by TB programs previously.
Jacob Creswell +9 more
doaj +1 more source
Polish Migrants in Ireland and Their Political (Dis)engagement in Transnational Space
Central and Eastern European Migration Review, 2021 Ireland has become one of the main destination countries for Polish migrants after Poland’s EU accession in 2004. While much of the literature on Polish migration to Ireland post-2004 focuses on its labour-market element, in this paper we analyse the ...
Justyna Salamońska +2 more
doaj +1 more source
A Novel 2.5D Culture Platform to Investigate the Role of Stiffness Gradients on Adhesion-Independent Cell Migration [PDF]
, 2014 Current studies investigating the role of biophysical cues on cell migration focus on the use of culture platforms with static material parameters. However, migrating cells in vivo often encounter spatial variations in extracellular matrix stiffness.
Asuri, Prashanth +2 more
core +3 more sources
Spring raptor migration over the Aeolian Archipelago
Rivista Italiana di Ornitologia - Research in Ornithology, 2012 Spring raptor migration observations were performed from the island of Panarea in the period 20/4-20/5 of the years 2004, 2005 and 2006. The highest numbers were recorded for the Honey Buzzard, but also other species such as Marsh Harrier, Black Kite and
Ugo Mellone +3 more
doaj +1 more source
A forecast of international migration flows into EU countries until 2050 [PDF]
, 2018 The subject of this paper is international migration into EU countries. The research objective is a quantitative estimation of the volume of international migration flows into European countries and their close neighbors until 2050.
Polovyi, Mykola
core +3 more sources
To migrate or not to migrate, that is the question
, 2013 In this poster I present the results of a massive range-shift simulation with realistic dispersal of 176 Mediterranean plant species, with the objective to predict critical range collapse and extinction. This poster is a summary of the paper entitled "Forecasting plant range collapse in a Mediterranean hotspot: when dispersal uncertainties matter ...
Benito, Blas M. +4 more
openaire +2 more sources