ANYONE WHO HAS BEEN TO Prague in recent years will have enjoyed a vibrant restaurant industry. In addition to Czech restaurants whose sandwich boards beckon tourists with traditional Bohemian cuisine, one finds several exciting additions to the culinary scene: three Michelin-starred establishments, a multitude of international dining options, and a variety of choices for the vegetarians who, un...

The Hungarian psychiatrist Laszlo Meduna was the first who induced epileptic fits to influence the course of mental illness. The following account, based on a review of Meduna's recently unearthed files and his writings, traces the beginnings of convulsive therapy.

The objective of this study was to determine the chemical compounds of Iranian propolis (IP) extracts and to show flavonoids and phenol effects on methane production, fermentation characteristics and rumen microbial population (in vitro). In this study two diets with different concentrate: forage ratios as (HC: high concentrate) and (MC: middle concentrate), respectively as non-supplemented or ...

The year of 2005 marks the 75th anniversary since Trumpler (1930) provided the first definitive proof of interstellar grains by demonstrating the existence of general absorption and reddening of starlight in the galactic plane. This article reviews our progressive understanding of the nature of interstellar dust.

Synaptogenesis requires orchestrated intercellular communication between synaptic partners, with trans-synaptic signals necessarily traversing the extracellular synaptomatrix separating presynaptic and postsynaptic cells. Extracellular matrix metalloproteinases (Mmps) regulated by secreted tissue inhibitors of metalloproteinases (Timps), cleave secreted and membrane-associated targets to sculpt...

Migration of labor in response to structural changes in the U.S. economy is explored. An empirical study of the migration decision and wage determination is used to evaluate: 1) whether unemployment plays a larger role in motivating the decision to migrate than spatial wage differences and 2) whether the population can be characterized as homogeneous regarding migration and wage determination. ...

Seventy-five years ago, Yates (1934) presented an article introducing his continuity correction to the χ test for independence in contingency tables. The paper also was one of the first introductions to Fisher’s exact test. We discuss the historical importance of Yates and his 1934 paper. The development of the exact test and continuity correction are studied in some detail. Subsequent disputes...

in order to study the intercropping of barley (hordeum vulgare l.) and faba bean (vicia faba l.) an experiment was conducted as factorial based on randomized complete block design with two factors and three replications at sari agricultural science and natural resources university during 2009. the first factor was two seed ratios include d1: 75 and 150 kg.ha-1 of faba bean and barley, respectiv...