Carcass mass can influence rate of decomposition and release of ninhydrin-reactive nitrogen into gravesoil

To investigate the use of ninhydrin-reactive nitrogen (NRN) in gravesoil to estimate early postmortem interval (PMI), we conducted an experiment to decompose swine (Sus scrofa) carcasses of contrasting mass (～1 kg, ～20 kg, ～40 kg, ～50 kg). Carcasses were placed on the soil surface during June 2007 to monitor mass loss and the concentration of gravesoil NRN over an interval of 15 days. Carcasses of a mass ≤ 20 kg decomposed more rapidly than larger carcasses. However, 1 kg carcasses were associated with a slower release of NRN into gravesoil but a greater concentration of NRN per kg carcass (NRN(C)). We conclude that carcass mass can affect the rate of decomposition and release of NRN into gravesoil, which reflects an interaction between carcass volume and blow fly colonization. Furthermore, we conclude that neonatal carcasses require a different equation than larger carcasses when using gravesoil chemistry to estimate PMI.     

Maggot development during morgue storage and its effect on estimating the post-mortem interval

When insect evidence is obtained during autopsy, forensic entomologists make decisions regarding the effects of low-temperature (-1 degrees C to 4 degrees C) storage of the body and associated insects when estimating the post-mortem interval (PMI). To determine the effects of storage in a morgue cooler on the temperature of maggot masses, temperatures inside and outside of body bags containing a human cadaver and porcine cadavers (seven replicates) were measured during storage. Temperatures remained significantly higher (p<0.05) inside of the body bags relative to the cooler, and remained at levels sufficient for maggot feeding and development. If the assumption that no insect development takes place during preautopsy refrigeration is made, potential error rates in PMI estimation of 8.6-12.8% occur. The potential for blow fly larvae to undergo significant development while being stored in the morgue is a possibility that forensic entomologists should consider during an investigation involving samples collected from autopsy. Case and experimental evidence also demonstrate that substantial tissue loss can occur from maggot feeding during morgue storage.     

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Elite division and voter confusion: Australia's republic referendum in 1999

Abstract. Although a majority of Australian voters favour the introduction of a republic, in the November 1999 referendum a majority of them nevertheless voted to retain the monarchy. This article explains the background to this apparently perverse outcome. The central problem was asking the Australian electorate to make a complex, technical choice about the system of government, in the absence of clear partisan cues. As a result, republicans were divided on the method of election for the head of state, effectively resulting in three separate groups of voters favouring change. Using survey data collected just after the referendum, four hypotheses are tested to explain the result. The most important influence on voting was views about whether or not to sever the link with Britain, followed by the positive and negative aspects of the proposed change, and the cues presented by the leaders of the respective YES and NO campaigns. The interaction between these factors enabled political elites opposed to change to manipulate the result in their favour.     

Für naturschutzrechtliche Ausgleichsmaßnahmen verwendete Wildformen von kultivierten Grasarten unterliegen nicht dem Saatgutverkehrsgesetz. Verfassungskonforme Auslegung

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