The Arctic is projected to be severely impacted by changes in temperature and precipitation.Species react to these changes by shifts in ranges, phenology, and body size.In ectotherms, the 6.45 patterns of body size clines and their underlying mechanisms are often hard to untangle.Mountains provide a space-for-time substitute to study these shifts a

A 52-year-old male had pain in the right back and right hypochondrium, and an abdominal CT scan revealed a 49-mm tumor in the right upper perirenal space.Additional MRI and PET-CT Kids Jeans suggested that the tumor may be a primary adrenal carcinoma and could invade the liver and diaphragmatic leg.The tumor was completely removed by laparotomy and

Background Quercus liaotungensis Koidz.is an ecologically and economically important tree species widely distributed in Northern China.However, the effective assessment, utilization, and protection of Q.liaotungensis resources remain unexplored.Methods In total, 120 samples obtained from 12 Q.liaotungensis populations of Northern China were investi

Research on learning engagement and cognitive load theory have proceeded in parallel with little cross-over of ideas.The aim of this research was to test an integrative model that examines how prior knowledge influences learning engagement via cognitive load and help-seeking strategies.A Boot sample of 356 students from two middle schools in the no