As with many events in the history of science, the development of the hypothesis that acetaldehyde is a plausible psychoactive substance with specific central effects (not related to its toxicity) has not been either incremental or progressive. Rather, it has evolved through a process of fits and starts. Initial clinical observations suggesting that accumulation of acetaldehyde could be used as...

INTRODUCTION In order to study the evolution of the outbreak that occurred between 2009 and 2010 in 3 hospitals in Zaragoza, all vancomycin-resistant clinical Enterococcus faecalis isolates identified between 2011 and 2013 at these hospitals were characterised. METHODS Molecular characterisation of the isolates and analysis of their clonal relationships was performed using pulsed field electr...

Irrigated agriculture has always been relevant to the Aragonese society. The major expansion of irrigation took place during the XX century to promote economic growth and to improve farmers’ social conditions in rural Spain. At present, maintaining irrigation in Aragon is still important because agriculture is linked to a strong agribusiness sector, and because irrigation contributes to avoid d...

de Le6n and the Basque novelist and philosopher Miguel de Unamuno figure prominently, and a fondness in Spanish historiography for local studies have led to the production of a number of works on Salamanca and its university. None of these has dealt in any detail with the hospital attached to the university, a void which Teresa Santander has sought to fill. The result is mainly a compilation of...