Changes in higher education frequently involve the need for more flexibility in course design and delivery.Flexibility is a concept that can be operationalized in many ways.One approach to conceptualizing flexibility within courses is to distinguish planning-type flexibility, which the instructor 8NN Creme Brulee can designate before the course beg

Abstract Chalcogenide semiconductors and glasses have many applications in the civil and military fields, especially in relation to their electronic, optical and mechanical properties for energy conversion and in enviormental materials.However, they are much less systemically studied and their fundamental physical properties for a large class chalc

Introduction: bibliometric indicators allow characterizing the scientific production of a journal.Objective: describe the scientific production of the Cuban Journal of Dentistry from 2009 to 2013.Method: a descriptive, transversal study was conducted.All articles published in the Cuban Journal of Dentistry from 2009 to 2013 were selected.The type a

Abstract Background Microalgae hold promise for yielding a biofuel feedstock that is sustainable, carbon-neutral, Skateboard distributed, and only minimally disruptive for the production of food and feed by traditional agriculture.Amongst oleaginous eukaryotic algae, the B race of Botryococcus braunii is unique in that it produces large amounts of