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Terrestrial gastropods can incorporate carbon from multiple sources, including 14C-depleted carbonate from limestone, known as the “Limestone Problem” (Goodfriend and Stipp 1983). This affects the reliability of 14C dating on terrestrial snails, and varies by species, habitat, and physiography, necessitating local validation studies. This study assessed whether two land snail taxa common in carbonate terrains of Florida (USA) accurately reflect atmospheric 14C concentration at the time of biomineralization, a necessary condition for accurate dating, or if they incorporate pre-aged carbon, leading to radiocarbon ages that are “too old.” Radiocarbon measurements were made on 11 modern, known-age specimens (collected 1967–2015) of the rosy wolfsnail (Euglandina rosea) and flatcoil (Polygyra spp.) snails, and results were compared to expected atmospheric values based on the Bomb21 NH2 calibration dataset (Hua et al. 2022). Specimens from carbonate terrains had significantly lower 14C activity than the contemporaneous atmosphere, while those from sandy terrains showed no such offsets. The magnitude of the offset varied by taxon. Flatcoils from carbonate terrains had the most unreliable dates, overestimated by 1350 ± 740 14C yr on average. Rosy wolfsnails from carbonate terrains had smaller offsets, overestimating by 270 ± 130 14C yr on average. The results suggest land snails from Florida will incorporate significant and variable amounts of pre-aged or “dead” carbonate in their shells if it is present in the landscape.
To evaluate the impact of discharge destination on long-term functional outcomes in patients with aneurysmal subarachnoid hemorrhage (aSAH) and its association with achieving functional independence.
Methods:
This retrospective cohort study included patients with aSAH treated endovascularly at a tertiary neurovascular center between October 2019 and November 2024. Patients who died before hospital discharge were excluded. Group comparisons were performed using one-way analysis of variance, Kruskal–Wallis, paired-sample t-tests and Pearson’s χ2. Multivariable logistic regression was used to assess the association between discharge site and functional independence achievement, adjusting for age, sex, World Federation of Neurosurgical Societies (WFNS) grade and modified Rankin Scale (mRS) score at discharge.
Results:
A total of 213 patients (mean age 55.9 ± 13.7 years; 77% female) were included. Hypertension (57.7%) and previous smoking (45.1%) were the most common risk factors. Significant differences in age, sex, WFNS grade and modified Fisher Scale scores were observed across discharge groups. While patients discharged home had better overall outcomes, those with poor WFNS grades showed greater reductions in mRS at 6 and 12 months when discharged to an acute rehabilitation center. Regression analysis demonstrated that discharge to an acute rehabilitation center was independently associated with higher odds of functional independence, while discharge to a primary care hospital decreased these odds.
Conclusion:
Discharge to a primary care hospital after aSAH was associated with worse long-term outcomes. In contrast, early transfer to an acute rehabilitation center significantly improved functional independence, particularly among patients with poor baseline neurological status.
Despite international instruments on trafficking and forced labour that stipulate the importance of ensuring rightsholders can access effective remedy, instances of remediation for harms including forced, bonded, and child labour, as well as trafficking, have been rare. While remedy is also a common feature of strategies to address modern slavery adopted by nation states and multinational businesses, in practice workers who have been subject to severe forms of labour exploitation in global value chains (GVCs) continue to face significant obstacles to securing redress from those who have violated, or contributed to violation, of their rights.
Obstacles to remedy are multifarious and well-documented (OHCHR, 2016; ICAR et al., 2013). GVCs are complex, involving multiple actors and crossing multiple jurisdictions, rendering it challenging to assign accountability and secure appropriate remedial measures, and most legal systems have not adapted to the reality of service and production within GVCs. Even where powerful (‘lead’) companies in the value chain shape the terms of supply and working conditions and are in the same jurisdiction in which the harm arising from their actions or omissions has occurred, remedial action is often stymied by labour law systems that only allow claims against direct employers. Where claims of joint employment or accessorial liability are possible under labour law, such claims are infrequent because of the stringency of tests of control or contribution, and the costs of such litigation (Marshall et al., 2023). In rare cases where litigants are successful in their legal claims, they often struggle to secure enforcement of any court order. Where the lead company that is influencing working conditions in the value chain is in another jurisdiction to where the harm has occurred, the chances of such claims succeeding are even lower (Fudge and Mundlak, 2023). Key principles underpinning private international law – such as those pertaining to jurisdiction and choice of law – largely operate to the benefit of businesses rather than those affected by their activities.
Mental health interventions, such as Youth Readiness Intervention (YRI), offer an opportunity for improving the mental health of war-affected youth in fragile and conflict-affected regions. The YRI has demonstrated effectiveness in improving mental health outcomes, yet prior analyses have not examined the economic impact of the YRI integrated within with an entrepreneurship (ENTR) program. A costing analysis was conducted using standard activity-based costing methodology to estimate implementation costs. Next, economic benefits (productivity, healthcare offsets and local returns) were estimated, using participant-reported and secondary data. Total benefits were compared with total costs to calculate the return on investment (ROI), taking into consideration varying unemployment rates as a result of the intervention. Results show that the YRI + ENTR implementation cost is $117,289.00 ($305.44 per participant) and the ENTR-alone implementation is $67,279.10 ($177.05 per participant). The ROI for the YRI + ENTR varies from $1.01 to $1.95. The ROI for the ENTR alone varies from $2.53 to $6.92. In one of the ROI pathways – that is, healthcare savings – we find that the YRI + ENTR results in an 8.5-fold larger healthcare saving compared to the ENTR alone. This is one of the first studies to examine the broader economic returns of the YRI and ENTR program and are important to consider in future implementation due to the broad nature of economic benefits.
Postnatal depression (PND) is the most prevalent mental health disorder during the postpartum period. Evidence suggests that clinical practice guidelines (CPGs) can improve the mental well-being of women affected by PND. This study aimed to identify the CPGs available globally for the management of PND and to summarize their recommendations. A comprehensive search was performed across five electronic databases (MEDLINE, PsycINFO, CINAHL, TRIP, and Epistemonikos) and four guideline-specific websites (GIN, SIGN, NICE, and WHO) to identify the English language CPGs published between 2012 and 2023. The general characteristics of the CPGs, as well as the reported pharmacological and non-pharmacological recommendations, were extracted. The AGREE-II instrument was used to assess the methodological quality. Nineteen CPGs were included in the review, with only one from a low and middle-income country (Lebanon). Cognitive-behavioral therapy (CBT) was the most frequently recommended psychological therapy. Pharmacological interventions were included by 17 CPGs, predominantly Selective Serotonin Reuptake Inhibitors (SSRIs). Only three CPGs incorporated Patient and Public Involvement and Engagement (PPIE) in the form of an advisory group. Seven CPGs matched the criteria for adequate methodological quality by achieving an overall score of ≥70%. The findings highlight limited methodological quality and underrepresentation of LMICs, which may lead to disparities in the management of PND and undermine equitable mental health care.
Chapter 5 shifts focus to the impacts of the regime complex – particularly financial and technical assistance (utility modifier and capacity-building mechanisms) coupled with policy advising (social learning mechanism) – on the removal of barriers to geothermal development in Indonesia. The chapter provides a political economy analysis of the domestic actors and interests involved in the energy sector in Indonesia, and then recounts the history of geothermal development in Indonesia with a focus on the impacts of the clean energy regime complex on the dynamics of barriers to geothermal development. This analysis reveals that the clean energy regime complex, through financial and technical assistance combined with policy advising, is critical to impacting geothermal development in Indonesia by filling gaps in financing for high-risk exploration and early-stage development. This chapter provides insights on how the regime complex impacted domestic politics and geothermal barriers despite the absence of a legally binding framework. It also sheds light on the narrow pathway of change in the face of domestic political barriers and energy security concerns affecting political will.
Research on first language acquisition has shown that children initially approach word recognition analytically and gradually shift to holistic processing as their reading experience increases, as evidenced by a reduction and eventual disappearance of the word length effect in word recognition. The present study aimed to investigate visual word recognition strategies among non-native speakers of English, specifically examining whether these speakers recognize words analytically or holistically and whether their first language influences their recognition strategies. The study tested native and non-native speakers of English with Chinese or Latin-script language backgrounds on 160 English words and 160 nonwords, ranging from 4 to 8 letters in length. The results indicated that Chinese ESL speakers exhibited a positive length effect, showing slower response times to longer words, in contrast to native English speakers, who demonstrated a reversed length effect, and to the Latin-script group, who exhibited no significant length effect. These findings suggest that non-native speakers are more likely to adopt an analytic word recognition strategy when the writing systems of their first and second languages differ. Conversely, same-script second language learners appear able to transfer holistic word recognition strategies from their first language to English.
A new genus and species of trematode, Paratestophis gelicolus gen. nov., sp. nov., is described from the large intestine of the rainbow water snake, Enhydris enhydris, collected from several provinces in southern Thailand. Morphological analyses reveal distinct characteristics that differentiate P. gelicolus gen. nov., sp. nov. from related echinochasmid taxa, specifically its elongated bottle-shaped body, presence of 22 collar spines, parallel testes and parasitism of snakes–features not observed in other echinochasmid genera. Multi-marker phylogenetic analyses (28S rRNA, 18S rRNA, ITS2 and COI) strongly support its taxonomic placement within Echinochasmidae while confirming its genetic distinction from known genera such as Echinochasmus, Stephanoprora, and Microparyphium, thereby warranting the establishment of Paratestophis gen. nov. The species exhibited a 24% prevalence of infection (25/106) in E. enhydris, and was found co-infecting with four other helminths, including Tanqua siamensis, Encyclometra bungara, and two additional trematode species currently under examination, all occupy distinct ecological niches. Principal Component Analysis based on 19 morphological characters revealed morphological homogeneity among the specimens. This study represents the first record of a new genus and species within Echinochasmidae infecting snakes, and provides an updated systematic framework for the family, including a revised key to genera. The findings emphasise the need for further research into parasite taxonomy, host specificity and evolutionary relationships in Southeast Asian ecosystems.
The construction sector holds great economic importance worldwide. It is recognized as the ‘biggest non-agricultural industry in the capitalist world’ (Srivastava and Sutradhar, 2016: 2). It stands as the foremost consumer of raw materials globally, and it was forecast to achieve growth of 4.2 per cent annually from 2018 to 2023 in terms of market value (Carbon Pricing Leadership Coalition and International Finance Corporation, 2018). Furthermore, its interdependence with various sub-sectors – such as cement, iron, steel, and brick production, and service sectors such as education, finance, or health – makes it an important part of numerous global value chains (GVCs). Indeed, major construction companies often serve as lead firms in both product value chains and human supply chains (Gordon, 2017; Crane et al., 2019; Barkay et al., 2024).
This interdependence between the construction sector and numerous sub-sectors involves both vertical and horizontal intersections within diverse value chains. The scale of the processes, phases, and stakeholders involved in the construction process within these diverse value chains – such as design, production, conversion of raw materials into manufactured products, and on-site construction – highlights the sector's economic significance (Carbon Pricing Leadership Coalition and International Finance Corporation, 2018: 2). Nevertheless, the sheer number of processes, combined with ‘the fixed-term, project-based nature of relationships along the supply chain’ contributes to a highly fragmented and multi-tiered structure in the sector (Carbon Pricing Leadership Coalition and International Finance Corporation, 2018: 2). Construction projects are not only characterized by significant variability in type and scale, ranging from buildings to major civil engineering projects and large-scale infrastructures, but are also at the mercy of ‘local conditions, purpose, regulations, codes, and resources that evolve with time’ (Carbon Pricing Leadership Coalition and International Finance Corporation, 2018: 6). Therefore, to understand the complexities of labour exploitation within construction projects, a highly nuanced analysis of GVCs is required.
Mountains figure prominently in Mesoamerican cosmogeny, and a deep history of pilgrimage and worship surrounds many, though few have been systematically investigated using modern archaeological methods. Here, the authors present results from the lidar mapping and surface survey of a plateau at the summit of Cerro Patlachique, located at the southern limit of the Teotihuacan Valley, Mexico. While ceramic typology establishes Cerro Patlachique as a site of pilgrimage before, during and after the occupation of Teotihuacan, the documentation of 34 carved monuments substantially expands the existing corpus and identifies the summit as a place of convocation with water deities.
To describe the drivers of dietary behaviours among young South Asian adults (18–35 years) in Australia and examine the influence of acculturation and the host environment in shaping these behaviours.
Design:
A cross-sectional qualitative study design was used to collect data through Zoom focus groups. The analysis of the qualitative data followed Vears and Gilliam’s inductive content analysis approach. Demographic data were presented descriptively, and the findings were reported in accordance with the standard for reporting qualitative research.
Setting:
Sydney, New South Wales, Australia.
Participants:
A total of twenty-one young South Asian migrants (aged 18–35 years), mostly from India and Pakistan, participated in four online focus groups.
Results:
Six main themes were identified, highlighting the complex interplay of acculturation, cultural identity, family influence and other socio-economic factors in shaping dietary behaviours. (1) Acculturation and exposure to diverse cuisines, (2) interplay between religion and culture during special occasions, (3) influence of social networks and community norms, (4) structural and practical constraints shaping food choices, (5) shifting perceptions around healthy eating and (6) empowerment through knowledge. Participants reported incorporating Western and multicultural cuisines, often balancing convenience and cultural preferences.
Conclusions:
Numerous drivers, including but not limited to acculturation and the host environment, influence the dietary behaviours of young South Asian adults in Australia. Despite limitations in representativeness, the study provides valuable insights highlighting the need for inclusive health promotion efforts for Australia’s growing South Asian population.
Melanie, a mother of two, has struggled with severe contamination-related obsessive-compulsive disorder (OCD) for years, spending hours each day cleaning and avoiding activities that feel “unsafe,” which causes constant anxiety. Her symptoms make daily tasks difficult, as she cannot play with her children outside, do groceries without taking drastic measures, or visit friends and family without intense fear of contamination. Her rigid routines and compulsions take a toll on her mental and physical health and her children’s, leaving her feeling isolated and overwhelmed. Melanie knows she needs specialized treatment. However, living in a rural area, the nearest specialized clinic is too far away for a day treatment program, inpatient care is not an option due to childcare responsibilities, and outpatient treatment is inaccessible due to long waiting lists and insufficient intensity for her needs. As a result, she remains stuck, unable to access the intensive therapy she requires.