Palm leaves are an important resource for family households. The effect of harvest on leaf production, growth and fecundity of wild individual palm trees has been studied, but little is known about palm harvest in agro-forestry systems. In the Maya…

Purpose. To understand how the technology of electronic prescription (e Rx) can transform the community pharmacist’s role through its effects on professionalization. We define professionalization as a pharmaceutical practice centred on clinical activities and made possible by the establishment of…

The Naucoridae are most interesting and fascinating aquatic water bugs known as water creepers, needle bugs and toebiters. In view of the studies of Naucoridae fauna from other parts of world, the study of Indian Naucoridae is of a great…

Angiogenesis, or the formation of new blood vessels out of pre-existing capillaries, is a sequence of events that is fundamental to many physiologic and pathologic processes such as cancer, ischemic diseases, and chronic inflammation. With the identification of several proangiogenic…

Veinte años después de su fallecimiento (18 de agosto de 1990), B. F. Skinner deja cinco grandes legados vigentes: 1) el conductismo radical; 2) el análisis experimental del comportamiento; 3) el análisis conductual aplicado; 4) la caja de Skinner; 5)…

Instructors are often unaware of the negative impact that their own pedagogical practices can have on their students—practices that can lead to student subjugation. I contend that, for instructors to move from Freire’s (1970) notion of the traditional banking concept…

An automatic disassembly cell requires of a
computer vision system for recognition and localization of
the products and each of theirs components. The detection
of occlusions adds more information to the knowledge base
to identify components and products, and generate…

dentification of groups that are similar in their floristic composition and structure (habitat types) is essential for conservation and forest managers to allocate high priority areas and to designate areas for reserves, refuges, and other protected areas. In this study,…

A new terrestrial species of Pseudoeurycea is described from the mountains of the Mixteca region of Oaxaca. Compared with other members of the genus, the new species is relatively slender and short-legged. The background color of the dorsum of this…

Although our biological knowledge regarding cactus species is thorough in many areas, only in recent years have ecologists addressed their demographic behavior. Here we attempt a first review of the present knowledge on cactus demography, including an analysis of the…