abstract- iran achieved its self-sufficiency goal in wheat production a few years ago, perhaps at the expense of decreasing the production of other grains specially barley as stated by critics in the country. considering the dependency of wheat and barley markets on each other, policy preference functions were estimated separately for each market. incorporating political weights, a game theory ...

Numerous studies have indicated that the nucleolus is involved in a variety of cellular processes besides its well-known function in ribosome biosynthesis. A recent study describing the nucleolar proteome opens the way to new avenues of research on this important nuclear suborganelle.

Obesity, insulin resistance, and diabetes are related disorders of energy metabolism for which therapies are suboptimal. In this issue of Cell, Lee et al. (2007) demonstrate in mice that bone regulates the insulin/glucose axis and energy metabolism, providing a new framework for approaching common disorders of bioenergetics.

Humans are a coalitional, parochial species. Yet, extreme actions of solidarity are sometimes taken for distant or unrelated groups. What motivates people to become solidary with groups to which they do not belong originally? Here, we demonstrate that such distant solidarity can occur when the perceived treatment of an out-group clashes with one's political beliefs (e.g., for Leftists, oppressi...