Introduction: Orthodontics has gone through remarkable advances for those who practice it with dignity and clinical quality, such as the unprecedented number of patients treated of some type of iatrogenic problems (post-treatment root resorptions; occlusal plane changes; midline discrepancies, asymmetries, etc). Several questions may raise useful reflections about the constant increase of iatr...

In addition to speech recognition and syntactic parsing, during the last 10 years, the statistical approach has found widespread use in machine translation of both written language and spoken language. In many comparative evaluations, the statistical approach was found to be competitive or superior to the existing conventional approaches. Since the first statistical approach was proposed at the...

The expression “education for sustainable development” denotes a complex of concepts, theoretical constructs, policy prescripts and practical methods and tools connecting education and learning to the social, economic and ecological dimensions of sustainable development in their dynamic interaction. Education for sustainable development (ESD) is about how – through education and learning – indi...

Most well-known worms, such as Code Red, Slammer, Blaster, and Sasser, infected vulnerable computers by scanning the entire IPv4 address space. In this article, the authors present an advanced worm called the “routing worm,” which implements two new attacking techniques. First, a routing worm uses Border Gateway Protocol (BGP) routing tables to only scan the Internet-routable address space, whi...

Virtual reality (VR) is a technology which allows a user to interact with a computer-simulated environment, whether that environment is a simulation of the real world or an imaginary world. It is the key to experiencing, feeling and touching the past, present and the future. It is the medium of creating our own world, our own customized reality. It could range from creating a video game to havi...

This special issue explores the psychiatric challenges facing the armed forces of the UK, USA, Canada and Australia. Evidence from past confl icts has established a relationship between the rate of physical casualties (killed and wounded) and levels of psychiatric morbidity (Jones & Ironside, 2010). Inevitably, the operations in Iraq and Afghanistan have resulted in psychological casualties. No...