Soma Farag  Medical Department at Imperial College, London University, London, UK I read with interest the study by Khan and Arsanious1 which gave insight into the perception of the severity of medical errors of practitioners of different grades and believed that there is much to be gained from it.Medical error in the duration of one&rsqu

We study the annihilation of topological defect pairs in the quasi-two-dimensional geometry of freely suspended smectic films.This elementary process is at the basis of all models describing the statistics of complex defect patterns.We prepare pairs with opposite topological charges and retrieve the interaction mechanisms from their trajectories.Th

Abstract The Common Market for Eastern and Southern Africa (COMESA) is a Free Trade Area (FTA) regional trade agreement in Africa.Currently, Ethiopia is negotiating to join COMESA FTA.This study assesses the impact of three regional trade arrangements, COMESA FTA, customs unions, and the European Partnership Agreement (EPA) on the economy of Ethiop

In this work an unsaturated polyester resin (UPR) containing porcelain powder prepared from ceramic waste were fabricated and subjected to various studies.The mechanical properties, thermal stability, Back Cover Plastic and water absorption resistance of the UPR and composites prepared for each condition were evaluated.Results show that porcelain p

Objective: The entire mental health hazard among the nurses dealing with COVID-19 is just the tip of the iceberg.The goal of this study was to HEARING HEALTH find acceptable and adaptive coping techniques for nurses in order to keep the healthcare system resilient during and after the COVID-19 pandemic.Method: The scoping review search took place f