introduction food security over the past decade was one of the main objectives of rural development policies in many countries. agricultural policies such as productive improvement, conservation and utilization of water and land resources are being considered in the heart of development projects. among these initiatives to achieve improved quality of infrastructure, environment and welfare is t...

background: high dietary fat consumption may alter oocyte development and embryonic development. this prospective study was conducted to determine the relation between dietary fat consumption level, its food sources and the assisted reproduction parameters. methods: a prospective study was conducted on 240 infertile women. in assisted reproduction treatment cycle, fat consumption and major food...

The introduction of the Force Concept Inventory (FCI) by David Hestenes and colleagues in 1992 produced a remarkable impact within the community of physics teachers. An instrument to measure student comprehension of the Newtonian concept of force, the FCI demonstrates that active learning leads to far superior student conceptual learning than didactic lectures. Compared to a working knowledge o...