Distribution of Y chromosomal STRs loci in Mayan and Mestizo populations from Guatemala

In this study, a sample of 225 Guatemalan males, comprising 115 Mestizo-Guatemalan and 110 Mayan-Guatemalan, was typed for 17 Y-short tandem repeats (STRs) loci (DYS19, DYS389I, DYS389II, DYS390, DYS391, DYS392, DYS393, DYS437, DYS438, DYS439, DYS448, DYS456, DYS458, DYS635, YGATA_H4.1 and DYS385a/b). The haplotype diversity (H = 1) and discrimination capacity (96.86%) were calculated. Analysis of molecular variance (AMOVA) demonstrated a low but significant interpopulation differentiation when compared with the results obtained when we confront the Mestizo and Mayan populations with the European populations.Furthermore, the genetic variability and differences among the American, African, Asian, and European populations were analyzed with the software Statistica 9.1. In addition, the genetic distances were also calculated using other published data. Reynolds and Slatkińs genetic distance was visualized using the multidimensional scaling (MDS) analysis. All the analysis performed locates the Mayan population next to the Native American population, while Guatemalan-Mestizo population was found to be between these populations and the European population, similar to other Mestizo one.The implementation of the estimation of individual ancestry proportions of the whole population sample showed the presence of two well-differentiated population groups.     

The Political Economy of Green Taxation in OECD Countries

This paper addresses the role of politics in environmental policymaking in OECD countries. The public interest theory of regulation assumes that politicians pursue the public good and employ economically efficient instruments such as Pigouvian taxes to discourage polluting activities. Alternative theories of regulation, however, explain more realistically the environmental policymaking process. The theory developed in this paper argues that the goals of raising revenue and industry competitiveness overwhelm the goal of improving environmental quality when politicians set green taxes. This theory is empirically tested with a political economy model using data on OECD countries. The results suggest that policymakers do not set taxes with a specific concern for the environment, but to generate revenues. The model also demonstrates the concavity of the revenue function with respect to emissions; taxes are raised up to an optimal point beyond which raising them would discourage emissions, and thus revenues. Harmful behavior is not discouraged through the imposition of the taxes, since less healthy populations are taxed less. Emissions generated by industries that are exempted from taxation are offset by the industries that are taxed. When polluting products constitute a high share of the exported products, revenues from environmentally related taxes drop. These results help explaining the lack of environmental orientation of green taxes in the OECD countries.     

Microscopic Pattern of Bone Fractures as an Indicator of Blast Trauma: A Pilot Study

The assessment of fractures is a key issue in forensic anthropology; however, very few studies deal with the features of fractures due to explosion in comparison with other traumatic injuries. This study focuses on fractures resulting from blast trauma and two types of blunt force trauma (manual compression and running over), applied to corpses of pigs; 163 osteons were examined within forty fractures by the transmission light microscopy. Blast lesions showed a higher percentage of fracture lines through the Haversian canal, whereas in other types of trauma, the fractures went across the inner lamellae. Significant differences between samples hit by blast energy and those runover or manually compressed were observed (p < 0.05). The frequency of pattern A is significantly higher in exploded bones than in runover and compressed. Microscopic analysis of the fracture line may provide information about the type of trauma, especially for what concerns blast trauma.     

How Reliable are Parenchymal Tissues for the Evaluation of Carbon Monoxide Poisoning? A Pilot Study

Dealing with burnt bodies, the forensic pathologist must first of all answer the question whether the victim was alive at the moment of the fire. This study aims at clarifying whether some human solid tissues may be reliably used for the forensic diagnosis of Co poisoning on burnt bodies providing no collectable blood during the autopsy. From 34 selected cases, both cardiac blood and parenchymal samples were collected to perform CO‐oxymeter, spectrophotometry, and gas chromatography tests: blood CO estimations (blood COHb% and blood[CO]) and parenchymal[CO] values have been compared with special focus on R values. The solid tissues having the best correlations with blood CO amount turned out to be the lung (R 0.84), the liver (R 0.83), the kidney (R 0.79), and the spleen (R 0.92).     

EU–China relations in higher education

The internationalization of higher education systems has become critical to the educational success of a country. The purpose of this research is to carry out a study of the growing pace of internationalization in Chinese higher education in the contemporary period. The research focuses on the cooperation between China and Europe, especially the management of transnational projects related to improving collaboration between Chinese and European institutions of higher education. The move to mass higher education in the Chinese context and its implications stand as the starting point of the investigation. The project aims to analyze the main national policies for enhancing the internationalization of higher education both in China and Europe. Then, taking as examples some projects of particular relevance, it will consider the objectives and the consequences of these forms of cooperation and collaboration, especially for the development of the Chinese higher education system. Finally, a concise historical overview of the relations in higher education between China and Europe in the last 20 years will facilitate understanding of the changing role played by Europe in the Chinese context.     

Assessing Candidates at Home and Abroad: A Comparative Analysis of Colombian Expatriates in the 2010 Presidential Elections

This article examines candidate favorability among Colombian expatriates and Colombians in the home country in the 2010 Colombian presidential elections. It analyzes the influence of several socioeconomic, migratory, mobilizing, and contextual factors on candidate appraisal using a large exit poll conducted at Colombian consulates in five cities in the United States and Europe and five cities with high emigration rates in Colombia. Aside from differences in candidate favorability stemming from socioeconomic variables (education, income, and religious affiliation), Colombians living abroad largely evaluate candidates in ways similar to Colombians living in the country.     

Foreclosing on the American dream? The financial consequences of low-income homeownership

Federal programs have consistently encouraged ever-lower-income households to buy homes, despite concerns about the long-term sustainability and desirability of homeownership from the perspective of wealth-building, especially since the recent housing market collapse and the epidemic of mortgage foreclosures. We ask in this paper: can very low-income households build wealth through sustainable homeownership, with the aid of an innovative public program? We answer this question by examining 122 very low-income households who purchased their homes between 1996 and 2007 after completing an extensive asset-building and homeownership education/counseling program offered by the Housing Authority of the City and County of Denver (DHA), called HOP. We analyze our own longitudinal surveys and focus groups, as well as data compiled from administrative agency sources, real estate records, and longitudinal census data from the Neighborhood Change Database and the Piton Foundation's Neighborhood Facts Database. We find that homeownership attained through HOP typically did provide very low-income households with opportunities to build home equity (both absolutely and relative to generic homeowner cohorts in Denver) and net wealth, although this was contingent on time of purchase and ethnicity. Our multivariate analyses revealed that changes in annualized home equity appreciation were associated with the ethnic composition of the neighborhood and age of property. Annualized wealth accumulation was associated with annualized home equity appreciation, being married throughout the tenure of homeownership, and year of home purchase. HOP homebuyers received exceptionally favorable initial mortgage terms and conditions, often enhanced with down-payment assistance from their own DHA escrow account or from local housing and neighborhood development organizations, resulting in a dramatically low rate of default and foreclosure to date. Moreover, HOP homebuyers were not immune to financial stresses, and the continuing lack of wealth for many makes them vulnerable to future interruptions in primary wage earner's employment or health. We discuss the implications for low-income homeownership policy and argue that the goal of expanding homeownership opportunities should not be abandoned.     

A new method of reproduction of fingerprints from corpses in a bad state of preservation using latex

In view of the problems arising while fingerprinting corpses in a bad state of preservation, especially in case of mummification and carbonization, the authors propose an innovative technique which uses latex film. To better illustrate the potential of the method, two cases where the latex technique was applied successfully are reported: the first one is a mummified body discovered in a shack on the outskirts of Milan and the second one is the case of a burnt corpse found in a car boot. Such a technique is versatile, easy to apply, and allows the operator to work quickly on cadavers without amputating parts, except in rare cases (i.e., burnt bodies with muscle retraction). By the latex technique, a perfect and enduring negative copy of the fingerprint is obtained, ready to be inked and photographed. The numerous copies produced this way can be inked several times allowing for the repeatability of the procedure and this is crucial in cases of problematic legal identification of corpses. In both the cases illustrated, the fingerprints obtained by the latex technique were useful for identification. The quality was good enough for the automatic fingerprint identification system research system to be applied.