Clean Air the Natural Way: A Case for Harmonizing Global Auto Emissions Standards

Across the world, governments are grappling with the effects of global warming. Rising temperatures, increases in the number of natural disasters, and elevated sea levels are just some of the risks posed by Earth's weakening ozone. And yet solutions exist. This article discusses the contribution of auto emissions to global warming and proposes ways for manufacturers to adopt a single emissions standard across their fleets all over the world. As discussed, adopting a single standard based on the most stringent one available poses advantages for manufacturers and also promises to reduce the threat of global warming.     

Tracing the Flow of Policy Ideas in Legislatures: A Text Reuse Approach

This article proposes a new approach to investigating the substance of lawmaking. Only a very small proportion of bills become law in the U.S. Congress. However, the bills that do become law often serve as vehicles for language originating in other bills. We investigate “text reuse” methods as a means for tracing the progress of policy ideas in legislation. We then show how a focus on policy ideas leads to new insights into the lawmaking process. Although our focus is on relating content found within bills, the same methods can be used to study policy substance across many research domains.     

Judicial education on ‘gender awareness’ in Australia

In Australia, as elsewhere, cultural blindness to difference based on gender can affect the impartiality of judging. It is an important aspect of the unstated assumptions on which judges act and which they need to examine. This is especially so where the assumptions are a reflection of dominant social attitudes and values. Judges are expected to apply community values, so long as they are consistent with equality before the law. Blatant examples of gender bias tend to diminish as diversity increases, both within the judiciary and within the legal profession. Stereotyping assumptions can be explored through judicial education, but Australian experience suggests that programmes will only receive a receptive audience if sensitive to concerns about judicial independence. To that end, discussion may best be located within the boundaries of the broader topic of unconscious partiality. Steps being taken in New South Wales to raise gender sensitivity are noted.     

Portable high‐resolution automated 3D imaging for footwear and tire impression capture

The forensic science community raised the need for improved evidence recognition, collection, and visualization analytical instrumentation for field and laboratory use. While the 3D optical techniques for imaging static objects have been extensively studied, there is still a major gap between current knowledge and collecting high‐quality footwear and tire impression evidence. Among optical means for 3D imaging, digital fringe projection (DFP) techniques reconstruct 3D shape from phase information, achieving camera‐pixel spatial resolution. This paper presents a high‐resolution 3D imaging technology using DFP techniques dedicated to footwear and tire impression capture. We developed fully automated software algorithms and a graphical user interface (GUI) that allow anyone without training to operate for high‐quality 3D data capture. We performed accuracy evaluations and comparisons comparing with the commercial high‐end 3D scanner and carried out qualitative tests for various impressions comparing with the current practices. Overall, our technology achieves similar levels of accuracy and resolution with a high‐end commercially available 3D scanner, while having the merits of being (1) more affordable; (2) much easier to operate; and (3) more robust. Compared with the current practice of casting, our technology demonstrates its superiority because it (1) is non‐destructive; (2) collects more evidence detail than casts, especially when an impression is fragile; (3) requires less time and money to collect each piece of evidence; and (4) results in a digital file that can easily be shared with other examiners.     

Estimating Individual Contributions to Complex DNA SNP Mixtures.,

High‐throughput sequencing (HTS) of large panels of single nucleotide polymorphisms (SNPs) provides an alternative or complimentary approach to short tandem repeats (STRs) panels for the analysis of complex DNA mixture forensic samples. For STRs, methods to estimate individual contribution concentrations compare capillary electrophoresis peak heights, peak areas, or HTS allele read counts within a mixture. This article introduces three approaches (mean, median, and slope methods) for estimating individual DNA contributions to forensic mixtures for HTS/massively parallel sequencing (MPS) SNP panels. For SNPs, the major:minor allele ratios or counts, unique to each contributor, were compared to estimate contributor proportion within the mixture using the mean, median, and slope intercept for these alleles. The estimates for these three methods were typically within 5% of planned experimental contributions for defined mixtures.