We examined the ethical implications of a mythical online student with a carefully concealed real identity who took part in an online post-graduate course. The mythical online student took part in all student activities and provided co-students with cognitive and technical support as a covert second facilitator; consequently, students found scaffolding unobtrusive and integrated the unknown vir...

69 Commentary Can chiropractic survive its chimerical nature? " The only way to avoid the slippery slope is to stay off the slope ". If we were to compare the profession of chiropractic to creatures of legend, in its early days chiropractic was like a hydra, whose practitioners possessed a 'body' of core beliefs and practice patterns but a rather contentious leadership , one with many 'heads'. ...

In the search for effective means of representing and conveying urgency environmental crisis facing humanity in coming decade, not all images hit mark with same forcefulness. Al Gore's phrase "An Inconvenient Truth", instance, strikes one's imagination far less than "house on fire" metaphor popularized by French President Jacques Chirac Swedish activist Greta Thunberg. Another powerful image is...

Computing inference from a given knowledgebase is one of the key competences of computer science. Therefore, numerous formalisms and specialized inference routines have been introduced and implemented for this task. Typical examples are Bayesian networks, constraint systems or different kinds of logic. It is known today that these formalisms can be unified under a common algebraic roof called v...

Males of the damselfly Mnais costalis occur as territorial orange-winged 'fighter' males or non-territorial clear-winged 'sneaker' males. Their morph life histories differ considerably but the estimated lifetime reproductive success is the same for the two morphs. In this study we compared the developmental and reproductive costs associated with the two morphs. Orange-winged male and female rep...

In the domain of Genetic Deafness in medicine, it is important to detect some patterns. Medical doctors needs to search and deal with information from diverse sources and it is important to be able to cross information between sources. As part of a solution, one approach to minimize the impact of this lack and increase the success of the retrieval process crossing diverse sources of information...