W ork force studies often reflect common prejudices , cost-saving philosophies, rumor and innuendo , but little data. An exception to this rule exists in the recently published Committee on Manpower of Pulmonary and Critical Care Societies (COMPACCs) study. 1 As I read it, there is a shortage of pulmonary and critical care specialists now and this shortage will get worse in the future. These co...

the theologians school is one of the most famous theological schools among sunnis, mo’tazelah and abaziye. using a deductive manner and by clarifying cases and regardless of jurisprudence precepts, theological rules are set and developed in this school. the sources of research in this school include theological rules, theology, dialect, jurisprudence and the logic. the main strategies of this m...

In this issue of Neuron, Nandy et al. (2017) reveal a number of important new insights into the neural mechanisms that are responsible for attentional selection.

Traditional theories of attention rely on the idea that when we search for a target in a visual display the brain boosts the activity of neurons optimally tuned for the target features. In this issue of Neuron, Navalpakkam and Itti take a computational approach to show that this strategy is actually very inefficient when the target is surrounded by distractors with similar features. Instead, th...