A positive correlation between cave size and bat diversity has been recorded by some authors for different areas in South America. We analyzed published otherwise available data from three Brazilian karst phytogeography domains, including NE SE Atlantic Forest Cerrado (savannah-like vegetation), encompassing a wide range of sizes. found no such correlation, as expected view previous observation...

introduction: in the new concept of medical education, creativity development is an important goal. the aim of this research was toidentify a model for developing critical thinking among students with the special focus on learning environment and learning style. methods: this applied and cross-sectional study was conducted among all students studying in undergraduate and professional doctorate ...

Subterranean streams represent unique heterotrophic ecosystems, usually supported by organic matter imported from the surface. Traditionally, biological communities subterranean were characterized as simple associations, with low diversity and species abundance, comprising mostly aquatic invertebrates connected few trophic links compared those of However, these features have not yet been descri...

In response to the illicit drug trade that became especially troublesome in the late 1980's and early 1990's, a remarkable community anti-drug movement has formed, with groups becoming active in some of the most afflicted neighborhoods. Armed only with their courage and imagination, citizens have devised a variety of clever strategies and tactics to reclaim their streets and parks from drug tra...

background: in spite of the increased range of inactivity and obesity among iranian adults, insufficient research has been done on environmental factors influencing physical activity. as a result adapting a subjective (self-report) measurement tool for assessment of physical environment in iran is critical. accordingly, in this study neighborhood environment walkability scale (news) was adapted...

A wearable 'helmet' version of the S cone isolating technique was constructed to explore vision at equiluminance. For my high school summer science project, I visited parks and streets while wearing the helmet and report that the helmet appears to have captured the main properties described for the large-scale, more cumbersome stage version.

normal 0 false false false en-us x-none ar-sa background: assessing educational environment is vital in determining the success or failure of any institute. a positive environment leads to achievements of students in learning while a negative one would hinder their accomplishments. the aim of this study was to evaluate the medical students’ perceptions of their educational environment and to id...

background: in spite of the increased range of inactivity and obesity among iranian adults, insufficient research has been done on environmental factors influencing physical activity. as a result adapting a subjective (self-report) measurement tool for assessment of physical environment in iran is critical. accordingly, in this study neighborhood environment walkability scale (news) was adapted...

writing has always been considered an important literacy skill for foreign/second language learners. the internet provides such unique applications for the writing skill as weblogs, wikis, and social networking websites. up to now researchers have put their focus on the learners’ performances in the traditional paper and pencil environment or wikis and blogs it is time to also consider learners...