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Oceanic conditions along the Atlantic Coast of North America are changing rapidly. Surface water temperatures in the Gulf of Maine have increased faster than 99% of the global oceans, and major infrastructure projects, including the largest windfarm in the world, are under development along this seaboard. In Canada and the US, the Atlantic sea scallop (Placopecten magellanicus) supports lucrative fisheries, which were originally founded on an extensive scientific framework focusing on stock assessment. The sea scallop is an ideal sentinel species, as it is highly sensitive to changes in marine conditions. We used a drop camera system to estimate the number and size of scallops, as well as the distribution of their reproductive potential, over 70,000 km2 of the continental shelf in 2016–2018, an area that nearly covers the entire range of this species. In total, we estimated that there were 34 billion individual scallops (95% confidence limits: 22–46 billion) within the species' range. In this paper, we examine the role of the sea scallop as a baseline sentinel species that can be used to measure the impacts of environmental change and anthropogenic developments. [ABSTRACT FROM AUTHOR]

The authors respond to the comments on their paper about the conservation of sockeye salmon populations and the use of the genetic stock identification approach in salmon management. They discuss the reluctance of the authors who commented on their paper to accept the idea on the application of the approach. They disagree to the opinion that the approach cannot be used as a salmon management and assessment tool to meet the conservation requirements of the Wild Salmon Policy (WSP) in Canada.

The anatomical sciences form one of the major building blocks of the basic medical sciences in the professional training of dentists. This paper defines the courses and classifies the formats of teaching for each course within the anatomical sciences curriculum. Information was gathered from the Internet, specifically the American Dental Education Association (ADEA) website links to U.S. and Canadian dental schools and their online catalogues or bulletins as well as online course syllabi. The results demonstrate the distribution of schools in the United States and Canada teaching anatomical sciences in the following categories: stand-alone, sequential, and multifaceted courses for gross anatomy; stand-alone and integrated courses for histology; stand-alone, integrated, incorporated, and no course for neuroanatomy; and stand-alone, incorporated, and no course in embryology. This paper concludes with the proposition that a survey of the usage of anatomical knowledge in use in a typical dental general practice needs to be conducted. The results of such a survey need to be evaluated with the intention of determining what should be taught in a dental clinical anatomical sciences curriculum. [ABSTRACT FROM AUTHOR]

The reclamation of mature fine tailings (MFT) is a critical challenge for the oil sands industry in western Canada, and a nonradioactive, automated, and inexpensive method to monitor the MFT solidification is needed. The objective of this paper is to evaluate the feasibility of a dual-probe heat pulse (DPHP) method to measure MFT solid percentage. Dual-probe heat pulse measurements were performed on three MFT samples, each at various solid percentages. A linear relationship (y = 0.9495x + 0.0558) was established between the DPHP-measured solid percentage (y) and that of oven-dry method (x). Six additional MFT samples were collected and measured to validate the DPHP method. The specific heats of the six MFT solids were measured independently using a modulated differential scanning calorimetry method, and the sensitivity of DPHP-measured MFT solid percentage to the specific heat of MFT solids was evaluated. The result shows that the DPHP method can be used to accurately measure MFT solid percentages, and the accuracy can be further improved if the specific heat of the MFT solids is measured independently. [ABSTRACT FROM AUTHOR]

The aim of this paper is to review trends in the teaching of posterior composites in the United States, Canada, Ireland, and the United Kingdom over the last fifteen years. The authors compared the results of surveys of the teaching of posterior composites performed in 1989, 1997, and 2004-05. Historical and contemporary international trends were investigated. The amount of clinical and didactic teaching of posterior composites has increased over the past fifteen years. From a time over fifteen years ago, when very few dental students placed posterior composites in dental school, approximately one-third of posterior plastic restorations placed by U.S., Irish, and UK dental students are now composite, with the corresponding finding for Canadian dental schools being approximately 50 percent. Some variations were noted between dental schools in terms of the teaching of contraindications to placement as well as lining and basing techniques. There was some inappropriate teaching of techniques, in particular, in relation to the use of transparent matrix bands and light transmitting wedges. There was also evidence of limited student exposure to newer forms of technology, notably LED curing light units. There have been clear increases in the teaching of posterior composites in the United States, Canada, the United Kingdom, and Ireland in recent years; however, the proportion of posterior composite restorations placed by dental students relative to dental amalgams does not yet match the typical situation in contemporary clinical practice. Dental schools have a responsibility to ensure that their curricula are evidence-based to best prepare their students to meet the needs and expectations of their future patients. [ABSTRACT FROM AUTHOR]

A major trend at all levels of education in recent years has been the advent of distance learning and, more specifically, the use of computers and communications capabilities to provide online learning. The purpose of this study was to determine the extent to which distance learning and online technologies are being employed by dental schools in the United States and Canada. Two groups were surveyed: academic deans and faculty members of U.S. and Canadian dental schools. Thirty-eight academic deans responded to a paper-based survey, and more than 400 faculty members responded to a web-based survey. The results of these surveys indicate that online delivery of content and information has a bright future in the delivery of the dental school curriculum. At the same time, formidable obstacles must be addressed for this approach to be successful. [ABSTRACT FROM AUTHOR]

The article presents travel information for tourists who are planning to visit Italy. In this paper, the contact information of the Italian National Tourist Board in the U.S., Canada and Great Britain are presented. Moreover, the board also provides information via its web site www.italiantourism.com.