One of the habitats occupied by Mammillaria magnimamma is a 2000-year old lava-field, in Mexico City. The great ecological interest on this lava-field and the little knowledge there is regarding cacti population ecology have compelled us to analyse the demography…

Using the underlying idea of the current-mode control, a new dynamical, sliding-mode control for the boost dc-dc converter is proposed. Such controller is easy to design, robust under load and input voltage variations, exhibits fast response, does not depend on…

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In contrast with traditional academic disciplines, online educators do not have a generally accepted list of scholarly journals, which is in part a result of the multidisciplinary nature of the field, the relative infancy of online learning, and the view…

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Population size has been a matter of concern for rulers and states for centuries. Fears of over- and under-population led to extensive political debate and the implementation of numerous policies…

abstracto..,  RESUMENLa difusión y divulgación de la información ambiental es el propósito del Periodismo Ambiental y con él, de acuerdo a sus teóricos, se busca contribuir con la Cultura Ambiental. Ésta es entendida como el conocimiento, las aptitudes y los…

Cancer and Malaria are the common diseases affecting the citizens of both developed and poor countries. An ethno-botanical survey was conducted at Sardar Bahudar Khan Women’s university campus, From March to November,2010. Ethno-botanical information was collected from faculty and students…

High Performance Computing (HPC) clusters have enabled Molecular Dynamics (MD) simulations of biological systems for a sufficiently large complexity and long simulation period. VMD and NAMD are two major MD simulations software packages, which can work together for mining structural…

In Kenya, HIV and AIDS education was integrated into the primary teacher education syllabus in 2004. However, recent studies have reported superficial teaching of HIV and AIDS. Several authors have attributed this to the link between sex education and HIV…

Problematic aspects of intercultural communication are considered in the context of: an increasingly internationalized market for higher education; the globalization of knowledge; the compatibility of distinct national higher education cultures; and the capacity for successful cross-cultural cooperation. This is exemplified…