International labour migration is mainly promoted by economic interests.This paper focuses on the period before and after the economic crisis and puts together important facts Shoes regarding motivation to labour migration and provides explanations of its causes and impacts on the macroeconomic level.The economic explanation why is migration so sev
District and sub-district analysis of cryptococcal antigenaemia prevalence and specimen positivity in KwaZulu-Natal, South Africa
Background: Cryptococcal meningitis (CM) is a leading cause of mortality among HIV-positive South Africans.Reflex cryptococcal antigen (CrAg) testing of remnant plasma was offered as a pilot prior to implementation in October 2016 in KwaZulu-Natal province.The national reflex CrAg positivity was 5.4% compared to 7.3% for KwaZulu-Natal.Objectives: T
Análisis de las actividades propuestas por un libro de texto: el caso de la medida
En este artículo estudiamos la propuesta de enseñanza de la medida presente en los libros de texto de matemáticas de la etapa de Educación Primaria (6-12 años) de King Panel Headboard una de las editoriales más utilizadas en España.Realizamos un análisis cualitativo de las actividades de medida que estructuran la propuesta didáctica del li
Policies restricting flavors and non-cigarette tobacco product availability: A study of vape shops in San Francisco and Alameda Counties, California, USA
We examined flavored non-cigarette tobacco availability in brick-and-mortar vape shops in San Francisco (SF) and Alameda Counties, California (USA), comparing cities organized by flavored tobacco sales restriction policy.A total of 22 brick-and-mortar vape shops were identified and audited in October-November 2019; shops were located in SF City-Cou
Sex Ratio of Small Hive Beetles: The Role of Pupation and Adult Longevity
The sex ratio of sexually reproducing animal species tends to be 1:1, which is known as Fisher’s principle.However, differential mortality and intraspecific competition during pupation can result in a biased adult sex ratio in insects.The female-biased sex ratio of small hive beetles (SHBs) is known from both laboratory and field studies, but