An old question of T. Jech and K. Prikry asks if an existence of a precipitous ideal implies necessary existence of a normal precipitous ideal. The aim of the paper is to prove some results in the positive direction. Thus, it is shown that under some mild assumptions, an existence of a precipitous ideal over א1 implies an existence of a normal precipitous ideal over א1 once a Cohen subset is ad...

We review the impact of global helioseismology on key questions concerning the internal structure and dynamics of the Sun, and consider the exciting challenges the field faces as it enters a fourth decade of science exploitation. We do so with an eye on the past, looking at the perspectives global helioseismology offered in its earlier phases, in particular the mid-to-late 1970s and the 1980s. ...

Background: The Singh index is an inexpensive simple method to evaluate bone density, commonly used to assess osteoporosis is based on the radiological appearance of the trabecular bone structure of the proximal femur on a plain antero-posterior (AP) radiograph. The purpose of this study was to compare between Singh index and bone mineral density measurement using dual energy X-ray abs...

background and objectives: food insecurity may be associated with poor nutrition, which in turn can increase the risk of adverse nutrition and health outcomes among infants and toddlers. this study was undertaken in 2008 to gain an insight of mothers' views on complementary feeding practices and food security. materials and methods: in this qualitative study, data were collected through 10...

The approach to the field of qualitative research in psychology requires construction a series contents, whether conceptual, procedural and/or attitudinal. In curricular component “Techniques and Practices Research Psychology III” student is inserted practice (a waiting room health center), as child play worker (with view humanization), assuming role an observer participant, thus being introduc...