El inicio de relaciones diplomáticas de Venezuela con el
continente africano se remonta a mediados del siglo XX. Sin embargo,
dicha temática no ha sido objeto de interés por parte de la historiografía
venezolana dedicada a esta área del conocimiento…

Media representations of massive open online courses (MOOCs) such as those offered by Coursera, edX and Udacity reflect tension and ambiguity in their bold promise of democratized education and global knowledge sharing. An approach to MOOCs that emphasizes the tacit…

In a learning system, multiple communities represent a networked structure of learning experiences. Individuals belong to multiple communities connected though complex relationships consisting of people, resources, rituals, and ties. Learning occurs as individuals traverse this network from one community to…

This work was done to meet the demand for modernizing the curriculum in agronomy. It is based on a documental review following the methodology of Hanel [et al.], in 1997. The results were: identification of the main problems in agriculture,…

arbon sources for biofuel production are wide-ranging and their availability depends on the climate
and soil conditions of the land where the production chain is located. Henequen (Agave fourcroydesLem.) is
cultivated in Yucatán, Mexico to produce natural fibers from the…

The reality of global climate changes creates the necessity of predicting how will be the climatic scenario in our planet and how it will affect the economic activities in the future. For some climatic variables the global climate models projections…

Time, memory and forgetfulness are recurring motifs in the work of the poets of the generation of the 50’s or generación del medio siglo. This article focuses on José Manuel Caballero Bonald’s personal revision of the concept of time, one…

Objetivo El objetivo de este trabajo es describir las principales características de los artículos publicados en revistas científicas entre los años 1992 y 2007 que aborden el análisis de los factores etiológicos asociados a esta patología. Material y Método Revisión…

El Ministerio de Ciencia y Tecnología de Venezuela, por intermedio del
Observatorio Nacional de la Ciencia y Tecnología, convoca anualmente a la
comunidad científica del país para otorgar el Premio Nacional de Ciencia, actividad
que además incluye distinciones a los…

In 2004 it is known that in the parish of Tumbaco, of the drinking water distributed by the Municipal Water and Sewer Public Quito, was contaminated with arsenic. From his knowledge a group begins to meet people to socialize the…