Progress in understanding and achieving sustainability requires addressing it as both a scientific and an ethical issue. If sustainability is defined as “meeting human needs in a socially just manner without depriving ecosystems of their health,” most of the words in its definition are normative or value laden. Depending on how critical normative terms such as “human needs” and “ecosystem healt...

Eight plant essential oils were extracted and tested for their efficiency as natural insecticides against the cotton mealybug, P. solenopsis (Tinsley). In-vitro bioassay, contact toxicity of to adult females 2nd instar nymphs was determined. Also, repellence activity tested. The most effective oil female’s after 72 hrs application L. nobilis followed by Apium graveolens, M. longifolia, C. artic...

In the paper, we discuss the relation between ethnomethodologically inspired video analysis and curricular design. Often the relation between analysis and design is taken as a relation between descriptive and prescriptive accounts. Conceptualised in this way, ethnomethodology and curricular design is a world apart. With a focus on ethnomethodology’s take on analytical and normative questions, h...