Fluorescence of a Natural Fluorophore as a Key to Improve Fingerprint Contrast Image

The optical and morphological properties of resveratrol were investigated. This nontoxic fluorescent natural material, emitting in the visible blue light, was used as an optical marker, enabling the enhancement of the image contrast coming from relief pictures marked on challenging surfaces. By applying appropriated imaging softwares, this marker was verified to be very useful in the latent fingerprint recognition deposited on different wood surface types, mainly those with high level of roughness, where conventional forensic materials do not allow effective fingerprint image visualization.     

Banking supervision and the politics of verification: the 2014 stress test in the European Banking Union

The statistical methodology known in financial terminology as ‘stress testing’ was used by the European Central Bank in 2014 in order to assess the solidity of the banks in the eurozone. This audit process is analysed here as a problem of truth production or ‘veridiction’ in the sense developed by Michel Foucault in his 1978–1979 lectures at the Collège de France. In order to prove effective, the stress test had to deliver knowledge on banks, objectified and actionable at once, but also controlled by the idea of avoiding ‘market panic’. This epistemological dilemma is at the core of the politics of verification, which consists in the distribution of restraint and responsibility between non-risky and risky banks. This qualitative investigation is focused on France and is based on interviews with relevant policy actors and documentary analysis.     

Reciprocal Relationships between Teacher Ratings of Internalizing and Externalizing Behaviors in Adolescents with Different Levels of Cognitive Abilities

Are internalizing and externalizing behavior problems interrelated via mutually reinforcing relationships (with each behavior leading to increases over time in levels of the other behavior) or mutually suppressing relationships (with each behavior leading to decreases over time in levels of the other behavior)? Past research on the directionality of these relationships has led to ambiguous results, particularly in adolescence. Furthermore, the extent to which prior results will generalize to adolescents with low levels of cognitive abilities remains unknown. This second limit is particularly important, given that these adolescents are known to present higher levels of externalizing and internalizing behaviors than their peers with average-to-high levels of cognitive abilities, and that the mechanisms involved in the reciprocal relationships between these two types of behaviors may differ across both populations. This study examines the directionality of the longitudinal relationships between externalizing and internalizing behavior problems as rated by teachers across three measurement waves (corresponding to Grades 8–10) in matched samples of 138 adolescents (34.78?% girls) with low levels of cognitive abilities and 556 adolescents (44.88?% girls) with average-to-high levels of cognitive abilities. The results showed that the measurement structure was fully equivalent across time periods and groups of adolescents, revealing high levels of developmental stability in both types of problems, and moderately high levels of cross-sectional associations. Levels of both internalizing and externalizing behaviors were higher among adolescents with low levels of cognitive abilities relative to those with average-to-high levels of cognitive abilities. Finally, the predictive analyses revealed negative reciprocal longitudinal relationships (i.e., mutually suppressing relationships) between externalizing and internalizing problems, a result that was replicated within samples of adolescents with low, and average-to-high levels of cognitive ability.     

Migrant Workers or Working Women? Comparing Labour Supply Policies in Post-War Europe

ABSTRACT

Why did some European countries choose migrant labour to expand their labour force in the decades that followed World War II, while others opted for measures to expand female employment via welfare expansion? The paper argues that gender norms and the political strength of the left were important structuring factors in these choices. Female employment required a substantial expansion of state intervention (e.g. childcare; paid maternity leave). Meanwhile, migrant recruitment required minimal public investments, at least in the short term, and preserved traditional gender roles. Using the contrasting cases of Sweden and Switzerland, the article argues that the combination of a weak left (labour unions and social democratic parties) and conservative gender norms fostered the massive expansion of foreign labour and a late development of female labour force participation in Switzerland. In contrast, more progressive gender norms and a strong labour movement put an early end to guest worker programmes in Sweden, and paved the way for policies to promote female labour force participation.     

Printed artificial sweat as replacement for natural fingermarks: Qualitative and quantitative approach considering an amino acid reagent

The study presented in this paper aims at assessing how printed fingermarks can be used to generate realistic latent marks bearing varying quantities of materials to be detected. Considering dilution series of artificial sweat (eccrine secretion) and 1,2-indanedione/zinc as amino acid reagent, we assessed how printed marks behave in comparison to natural fingermarks provided by a set of 30 donors. The results were assessed in terms of relative intensity (contrast, luminescence) and expert grading (ridge details, overall quality). With regards to the set of 30 donors, this study brought a quantitative look to the influence of intra- and inter-variability on the relative intensity values observed when processing natural fingermarks. This provided new data to further understand the concept of “donorship”. With regards to the use of printed marks, it has been illustrated how dilution series of a concentrated solution allows covering a range of cases: unnatural marks (intensity values well above those obtained with donors), rich marks (corresponding to fingermarks left by good donors), and faint marks (associated with the kind of results observed with poor donors). Such a range of detection performance offers the possibility to generate fine-tuned detection exercises of varying difficulty levels. Printed items made of artificial sweat could hence constitute a valuable alternative to natural secretions in the context of education and proficiency testing.     

Habermas and Deleuze on Law and Adjudication

This article stages an encounter between Habermas and Deleuze on law, rights, and adjudication. Most of the article is spent developing Habermas’s concept of adjudication as the application of communicatively generated norms. This application, I argue, involves a complex temporality that is at once retrospective and non-creative. Deleuze is used to critique this concept of adjudication in favor of one based on concrete situations and the creation of new problems. In so doing, I will develop Deleuze’s notorious, and notoriously hostile, remarks on human rights and philosophies of communication by relating them to discourse ethics and to the positive conception of law and judgment that can be drawn from his work.

A forensic entomology case from the Amazon rain forest of Brazil

The first case of application of forensic entomology in the Brazilian Amazonia is described. The corpses of 26 men were found in the rainforest in Rondonia State, Brazil. Fly larvae collected on the bodies during autopsy were identified as Paralucilia fulvinota (Diptera, Calliphoridae). No data or specimens were collected at the crime scene. At the laboratory, the larvae developed into pupae in 58 h and into adults in 110.5 h. The total development time for P. fulvinota was measured in field experiments inside the forest. The age of the larvae when collected from the bodies was estimated as the difference between the time required for them to become adults and the total development time for this species. The estimated age of the maggots and the minimum postmortem interval was 5.7 days.