Following an introduction, non-native species are exposed to environments that differ from those found in their native range; further, as these non-native species expand beyond the site of introduction, they must constantly adapt to novel environments. Although introduced species are present across most ecosystems, few species have successfully established themselves on a truly global scale. On...

background: despite many media campaigns by government and private sectors highlighting, water and sanitation treat­ment plans and policies, the public health problems are still common in different socioeconomic areas. the objective of our study was to explore the major public health problems prevailing in two different socio economic areas in karachi, pakistan. methods: a cross sectional surve...

BACKGROUND Nowadays, extensive technological advancements have made it possible to use nanopaints which show exciting properties. In IR Iran excessive radon levels (up to 3700 Bq m-3) have been reported in homes located in radon prone areas. Over the past decades, concerns have been raised about the risk posed by residential radon exposure. OBJECTIVE This study aims at investigating the effec...

BACKGROUND The stress associated with residency training may place house officers at risk for poorer health. We sought to determine the level of self-reported health among resident physicians and to ascertain factors that are associated with their reported health. METHODS A questionnaire was administered to house officers in 4 residency programs at a large Midwestern medical center. Self-rate...

The house mouse, Mus musculus, was established in the early 1900s as one of the first genetic model organisms owing to its short generation time, comparatively large litters, ease of husbandry, and visible phenotypic variants. For these reasons and because they are mammals, house mice are well suited to serve as models for human phenotypes and disease. House mice in the wild consist of at least...

I propose a stylized model of the house-selling process in which sellers possess incomplete information regarding the state of the housing market. Consistent with the data, the model generates a negative correlation between house prices and time on market. This result is robust to the presence of real estate agents with complete information. I construct a measure of homeowner perceptions of hou...