El desarrollo de la ciencia en Venezuela no se explica sin la existencia de la Asociación Venezolana para el Avance de la Ciencia (AsoVAC). La ocasión de su sesenta aniversario es propicia para hacer una reflexión sobre el nuevo escenario…

The knowledge imperfections should be considered when modeling complex problems. A solution is to develop a model that reduces the complexity and another option is to represent the imperfections: uncertainty, vagueness and incompleteness in the knowledge base. This paper proposes…

This study analyse the influence of Knowledge of Results (KR) with different accuracy levels on the learning rate of a throwing skill of spatial non-vision accuracy, during the acquisition stage. We assessed the number of successful events, the distance from…

Il est peu de notions aussi vastes que celle du non-savoir, mais le flou du caractère nécessairement négatif de sa définition s’accompagne tout de même du sentiment que la source de ce qui ne peut qu’être déterminé négativement par la…

The spontaneous presence of natural enemies in crops represents one of the best allied to the Integrated Pest Management programs. The habitat management includes preventive measures based on close knowledge of the functioning of agroecosystems, performing actions upon pests and…

Discussion of the natural sciences had a foundational role in the development of the sociology of race and racism, underpinning the claim that races should, if at all, be studied as social rather than natural phenomena. Whatever its strengths, the…

There is a significant world-wide apprehension concerning perceived deficiencies in university students’ performance and a resulting decrease of knowledge level and competency development. This paper analyses the benefits of using a portfolio as a means of evaluating student progress and…

Reinforcement of learning in practice may help students learn bioscience but is contingent on adequate support from staff nurses. A 'snapshot' of the situation in practice was obtained (2006/7), with context from lecturers. In Stage 1, surgical care nurses were…

En 1877 se publica en Buenos Aires La huella del crimen, de Raúl
Waleis (seudónimo de Luis V. Varela (1845-1911), considerada por
la historiografía literaria como la primera novela policial en lengua
castellana. Subtitulada por el autor como “novela jurídica…

La hemoncosis, causada por el nematodo del abomaso de rumiantes Haernonchus contortus, constituye una de las enfermedades parasitarias más notables del ganado ovino en todo el mundo. Las infecciones provocan síndromes anémicos y de mala digestión/absorción que pueden causar la…