Gastric cancer trends seem to follow improvements in the environment of blue-collar workers, but the etiological role of occupational exposures in gastric carcinogenesis is scantily investigated. The risk of gastric adenocarcinoma in 10 common occupational industries, and particularly the long-term effects of asbestos, organic solvents, impregnating agents, insecticides, and herbicides, were evalu

We analyse how the concept of the ether, playing the role of absolute space, is still present in physics. When the problem is considered in the context of classical mechanics, we show that vestiges of absolute space can be found in the standard presentation of inertial systems. We offer an alternative -- fully relational -- definition of inertial systems which not only eliminates the problem but i

White or clear (“whitish”) wings are a distinct feature in about 30 species of tropical insectivorous bats (Mammalia: Chiroptera) belonging to three families (Emballonuridae, Molossidae, and Vespertilionidae). Such wings may provide camouflage against the sky at dusk and dawn, when bats commute to and from the roost and are vulnerable to aerial predation from birds. We tested this hypothesis by co

We have developed an in-situ method using sonication (3 mm probe sonicator, 30 W, 20 kHz) and auto-reduction (control) to study the mechanism of the formation of manganese dioxide (MnO2) on a solid template (silk film), and its resulting enzymatic activity on tetramethylbenzidine (TMB) substrate. The fabrication of the silk film was first optimized for stability (no degradation) and optical transp

Health care professionals frequently describe performance management and monitoring of efficiency and quality measures for external accountability as an administrative burden with limited benefits. Professionals argue that they are subject to too tight control that signals distrust, limits professional autonomy and ultimately decreases their motivation to perform. At worst, poorly incentivized ind

Implicit assumptions, approaches, rules and practices in teaching i.e. teaching and learning regimes (TLRs) are produced and reproduced (cf. Trowler & Cooper 2002) in the closest teaching environment, traditionally within a discipline. However, multidisciplinary programs implies that teachers from different disciplines and with different taken for granted assumptions, approaches and rules are Implicit assumptions, approaches, rules and practices in teaching i.e. teaching and learning regimes (TLRs) are produced and reproduced (cf. Trowler & Cooper 2002) in the closest teaching environment, traditionally within a discipline. However, multidisciplinary programs implies that teachers from different disciplines and with different taken for granted assumptions, approaches and rules are

A case-control study on testicular cancer included use of cellular and cordless telephones. The results were based on answers from 542 (92%) cases with seminoma, 346 (89%) with non-seminoma, and 870 (89%) controls. Regarding seminoma the use of analog cellular phones gave odds ratio (OR) = 1.2, 95% confidence interval (CI) = 0.9-1.6, digital phones OR = 1.3, CI = 0.9-1.8, and cordless phones OR =

AbstractBackground: Assessing critically ill patients is demanding because their clinical signs are not always easy to interpret. This is particularly true for pediatric patients, due to their small size and robust circulatory compensatorymechanism. Physicians working in pediatric intensive care settings seldom use invasive monitoring, due to possible complications and the risks involved. Instead,