BACKGROUND Marietta, Ohio, is an Appalachian-American community whose residents have long struggled with understanding their exposure to airborne manganese (Mn). Although community engagement in research is strongly endorsed by the National Institutes of Health and the National Institute of Environmental Health Sciences in particular, little has been documented demonstrating how an academic-com...

Nigel Williams' article "Tobacco funding debate smolders" (News & Comment, 4 Oct., p. 28) highlights the disturbing tendency of some philanthropic organizations to politicize science in a way that threatens independent research. The Cancer Research Campaign (CRC) in Britain threatened to halt future funding for Cambridge University scientists because the university accepted a donation from Brit...

Background Medical education is perceived as being stressful, and a high level of stress may have a negative effect on cognitive functioning and learning of students in a medical school. Objectives To (a) assess the perceived stress among medical undergraduate students, (b) identify the sources of stress, and (c) find an association of perceived stress with sociodemographic characteristics an...

OBJECTIVE To describe the prospective relationship between physical activity and academic performance. DATA SOURCES Prospective studies were identified from searches in PubMed, PsycINFO, Cochrane Central, and Sportdiscus from 1990 through 2010. STUDY SELECTION We screened the titles and abstracts for eligibility, rated the methodological quality of the studies, and extracted data. MAIN EX...

Abstract We present a large-scale comparison of five multidisciplinary bibliographic data sources: Scopus, Web Science, Dimensions, Crossref, and Microsoft Academic. The considers scientific documents from the period 2008–2017 covered by these sources. Scopus is compared in pairwise manner with each other first analyze differences between sources coverage documents, focusing for instance on ove...

Purpose – This study seeks to establish and compare the research and publication patterns and output of academic librarians in Eastern Africa from 2000 to 2009 using informetric techniques. Design/methodology/approach – The study confined its scope to publications produced between 2000 and 2009. The informetric technique (through content analysis) was used as a research method. The documents th...