An earlier version of this paper was presented at the 87th Annual Meeting of the American Educational Research Association (AERA), San Francisco, CA, USA, 7-11th April 2006 This paper presents findings from two case studies carried out in two Portuguese universities in ...

Abstract Pesticides risk assessments have traditionally focused on the effects on standard parameters, such as mortality, reproduction and development. However, one of the first signs of adverse effects that occur in organisms exposed to stress conditions is an alterati...

Introdução – O burnout é descrito como uma síndroma que envolve exaustão emocional, física e mental e que resulta da exposição continuada ao stress laboral. É caracterizada por elevada exaustão emocional, despersonalização e baixa realização pessoal. Objetivo – Este est...

Latitudinal gradients in species interactions are widely cited as potential causes or consequences of global patterns of biodiversity. However, mechanistic studies documenting changes in interactions across broad geographic ranges are limited. We surveyed predation inte...

Low interference and privacy are crucial requirements for system reliability and security. Present and further mobile communication systems must support multiple users achieving at same time low interference levels. Several solutions can be adopted to reduce interferenc...

The self and the other. Totality and the infinite. In other words, totality as the discourse of the self which erases the other; and the infinite as the discourse of the other, which constrains and imposes reservations on the discourse of totality. I encounter the other...

<p>Abstract</p> <p>Background</p> <p>CD4⁺CD25⁺regulatory T cells play an essential role in maintaining immune homeostasis and preventing autoimmunity. Therefore, defects in Treg development, maintenance or function have been associated with severa...

The present work aims at evaluating the potential gains derived from partially replacing calcium in resorbable &beta

Cooperation networks are a promising model for companies. There are currently several models for the creation of this kind of networks. This paper presents a conceptual model for the development of cooperation networks, which aims at promoting the information sharing ab...