Se realizó un estudio piloto para evaluar la aceptación y efectividad de dos materiales educativos (Cartilla y Fotocartel), elaborados a partir del conocimiento tradicional que poseen las comunidades seleccionadas en tres humedales llaneros, con el propósito de propiciar cambios en…

Web-based learning environments are becoming increasingly popular in higher education. One of the most important web-learning resources is the virtual laboratory (VL), which gives students an easy way for training and learning through the Internet. Moreover, on-line collaborative communication represents…

La Plata National University is making a great effort to support and encourage scientific, technologic and artistic research and innovation, maintaining its quality, as well as the development and knowledge transference that benefit society and generate new scientific, technologic and…

This paper addresses the problem of contour line extraction from scanned topographic maps in poor condition. A novel method is developed, using knowledge of cartography and graphics to extract contours by removing other layers which overlay the contours, and reconstructing…

En raison de la prématurité ou de conditions médicales, un grand nombre de nouveau-nés reçoivent de la nutrition parentérale totale (NPT) en période néonatale. Durant la période d’administration, l’impact métabolique et les effets néfastes de la NPT et celui de…

En el cerebro de mamíferos adultos tiene lugar la formación de nuevas neuronas (neurogénesis) de forma limitada a partir de células madre neurales residentes en dos nichos discretos, localizados en el ventrículo lateral y el hipocampo. En la retina existe…

While birdsong is a model system for animal communication studies, our knowledge is derived primarily from the study of only one sex and is therefore incomplete. The study of song in a role-reversed species would provide a unique opportunity to…

Rich Internet Applications offer Web surfers a richer user experience, mainly due to better responsiveness and enhanced user interface capabilities. In recent years, existing design methodologies targeting traditional Web 1.0 applications were extended to also support RIAs. These extensions do…

Studies of tropical secondary forest succession face strong limitations due to the slow pace of succession and the time-consuming task of monitoring processes. The occurrence of tree rings in secondary forest trees may help expand our knowledge on succession in…

The studies on the formation of psychology's professors were locating us in the construction process of the professional knowledge in professors but in psychologists that exercise the teaching too, visualizing the paper that built knowledge assumed between both environments (academic…