To save content items to your account,
please confirm that you agree to abide by our usage policies.
If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account.
Find out more about saving content to .
To save content items to your Kindle, first ensure no-reply@cambridge.org
is added to your Approved Personal Document E-mail List under your Personal Document Settings
on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part
of your Kindle email address below.
Find out more about saving to your Kindle.
Note you can select to save to either the @free.kindle.com or @kindle.com variations.
‘@free.kindle.com’ emails are free but can only be saved to your device when it is connected to wi-fi.
‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.
Terminal heat stress poses a significant challenge to chickpea (Cicer arietinum L.) production, necessitating effective strategies to enhance crop resilience. This study evaluated the impact of three sowing dates (1 November, 20November and 10 December) and four paddy straw mulch levels (0, 2, 4 and 6 t/ha) on minimizing terminal heat stress by improving agroclimatic indices, photosynthetically active radiation (PAR) interception and seed yield. Field experiments were conducted during the winter seasons of 2021–22 and 2022–23 at Punjab Agricultural University, Ludhiana, to assess agroclimatic indices such as growing degree days, helio-thermal units, photo-thermal units and pheno-thermal index along with PAR interception and yield attributes under different treatments. Results indicated that sowing on 1st November and application of 4 t/ha straw mulch significantly mitigated terminal heat stress by enhancing agroclimatic indices and PAR interception, leading to significantly higher yield attributes and yield. Although 6 t/ha mulch provided slightly higher benefits, they were marginal compared to 4 t/ha, making 4 t/ha the most practical and cost-effective choice. Lower mulch levels (0 and 2 t/ha) were less effective in alleviating heat stress impacts. Overall, early sowing (1st November) combined with 4 t/ha straw mulch was identified as the most effective strategy, minimizing terminal heat stress and enhancing chickpea resilience and productivity. These findings emphasize the importance of timely sowing and optimized mulch application as practical, sustainable strategies for improving chickpea productivity under terminal heat stress.
Coroners’ Prevention of Future Death reports (PFDRs, also known as Regulation 28 reports) provide an opportunity to understand factors contributing to mental health-related deaths.
Aims
To examine available mental health-related PFDRs, addressing three core questions: (a) What is the overall profile of these reports? (b) What relational patterns emerge from these reports? and (c) What concerns and preventive actions do coroners highlight in these reports, and how they evolved over time?
Method
We collected all mental-health related public PFDRs available up to June 2025 (N = 586). Data extraction combined automated web scraping, optical character reading and large language model (LLM)-assisted (GPT-4o) parsing to capture demographics, settings, coroner areas, co-occurring categories, concerns and recommended actions. Descriptive statistics, category and recipient co-occurrence network analysis and thematic analysis were used to provide a comprehensive landscape of these reports.
Results
Report numbers increased steadily from 2013, peaking in 2021 and then declined. Some jurisdictions, including Manchester South, East Sussex and East London, consistently had more PFDRs issued. The deceased were typically young, male and had died mainly outwith hospital, most often at home; 78.0% of reports included at least one formal response from recipients, whereas 22.0% had no corresponding response available. The network analyses suggested that PFDRs seldom identified isolated issues. Coroners’ concerns changed over time, from service access and resources to inter-agency coordination and then, more recently, to risk assessment and management.
Conclusions
Mental health-related deaths examined by coroners arise within complex, evolving multi-sector contexts and do not frequently identify single errors. Minimising such deaths may require coordinated strategies across healthcare, social care and justice systems. Analysis of PFDRs allows identification of patterns that may inform such actions. PFDRs should be analysed routinely and patterns followed over time.
Polychrony is a virtual or artificial tempor[e]ality that is constructed by the fine augmentation or tempering of a natural set of latencies that articulate a complex networked acoustic. The art is to optimise the alignment of these disjunct temporalities as they merge in a new chronotopic fusion. This fooling with Mother Nature, however, does not come without consequences: due to the significant latency effects intrinsic to a planetary-scale network, a phenomenon called topo-rhythmia emerges. Toporhythms are derived simply as a feature of communication over distance; they are the multiple versions of a rhythm that occur at each node of a networked piece due to the temporal offsets caused by delay. To work with this feature more intentionally, rather than as an accident of relativity, we must tune or temper the network latency. Tempering is a general tactic for ontological negotiation, bringing observers and complex systems into some kind of coherency. The purpose of this article is to explore the tempering of musical time-space on networks and how that underlies the notational practices (and the alien compositional assumptions) built upon this novel orientation.
Health systems have finite capacity. During crises, policymakers may explicitly reallocate health system resources, or capacity limitations may necessitate implicit resource reallocation. This study modelled timing and intensity of pre-vaccination health system resource reallocation policies to predict excess mortality during the COVID-19 pandemic.
Methods
This longitudinal panel analysis included 85 countries (752 country-months, January 2020-January 2021). The predictor was resource reallocation scope, scale (summarized as intensity, 0-100), and timing. The outcome was all-cause excess mortality (percentage deaths greater than historical average/month). Covariates included COVID-19 incidence and health system parameters.
Results
Simultaneous health system resource reallocation was associated with increased mortality in multivariate models (b = 0.80, 95%CI 0.42-1.18). However, preemptive (previous month’s) resource reallocation was protective against excess mortality (b = −0.58, 95%CI −0.93–0.23: e.g., 42,010 fewer deaths per unit increased resource reallocation, March 2020, all study countries). Effects were magnified in older populations. Health system capacity and preparedness were associated with lower mortality.
Conclusions
In the pre-vaccination COVID-19 pandemic, preemptive health system resource reallocation was associated with lower mortality, whereas simultaneous resource reallocation was associated with greater mortality. This longitudinal multinational study indicates that readiness, capacity building, and proactive resource reallocation improve crisis response.
The US major-party presidential nominating conventions are an essential platform for a political party’s branding and messaging for upcoming presidential and congressional elections. The conventions also can provide revenue and media attention to their host cities and, consequently, convention fundraising has grown substantially in recent decades. Convention fundraising rules were changed in 2014, tripling the limit for contributions to a party’s campaign funds and removing limits on contributions to host-city committees. Although we do not expect these changes to affect individual donors, we expect corporations, banks, and labor unions to have taken advantage of these new rules. Elections since 2014, however, have been unusual in many ways—for instance, in the relationship between the nominees and their parties and, in 2020, the public health precautions required to hold conventions. This study examines developments in political-party convention fundraising since 2014, focusing on the relationships among candidates, their parties, and the cities where conventions have been held. To make this determination, funding reports were collected for the 2000–2024 election cycles. The article explores changes in the characteristics of convention donors—their other contributions and their relationships to candidates, party committees, and host cities—and notes variations that might be attributable to the nominees or the host cities. It considers whether the new convention-funding rules have matured sufficiently that it is possible to make broad claims about the effects of the rules themselves.
People living with dementia (PLWD) want – and have the right – to participate in research that impacts them. However, barriers in legislation, institutional practices, and/or biases may jeopardize inclusion.
Objective and Methods
Interviews with 33 Canadian dementia researchers were conducted to explore understandings of research consent with regard to dementia, research practices, and approaches in everyday research contexts.
Findings
Analysis of these interviews revealed challenges in negotiating the space between best practices and institutional requirements; gaps in knowledge, procedures, and guidelines on inclusion and consent; tensions regarding who should be involved in decision making; and how assumptions of presumed incapacity and/or the ‘protection’ of vulnerable groups create and/or sustain the exclusion of PLWD from research.
Discussion
Moving forward, findings suggest that advancing the meaningful inclusion of PLWD in Canadian dementia research will require clear, consistent standardized guidelines, flexible and ongoing consent processes, accessibility accommodations, and a stronger focus on rights-based practices.
Design optimisation of hybrid airships consisting of multi-lobed configurations is being projected as the next paradigm shift in implementing sustainable flight operations within the aeronautical industry. To that end, this paper discusses the effect of varying the relative placement of side-lobes pertaining to a tri-lobed airship hull geometry with respect to the middle-lobe. The paper makes use of a validated OpenFOAM® solver to underscore the aerodynamic impact of shifting the side-lobes in upstream, downstream, upward and downward directions with respect to the middle-lobe while retaining the same volume. These tri-lobed airship hull variants called as skewed tri-lobed hulls, have been comprehensively investigated through the usage of numerical solver (Reynolds-averaged Navier-Stokes) at high Reynolds number flow across various angles of attack. The investigations delineate significant impact of skewed side-lobes on the overall aerodynamics of the tri-lobed airships. Skewing the side-lobes in fore direction leads to drag mitigation at the expense of degraded aerodynamic efficiency owing to lift reduction. Contrarily, aft-skewness amounts to an aerodynamic efficiency enhancement of $ \approx 17{\rm{\% }}$ and improved pitch stability while marginally increasing the pressure drag liability. Aerodynamic efficiency enhancement is attributed to increased lifting force. Skewed upward and downward variants present an overall aerodynamic efficiency reduction. The paper further made use of detailed flow-field visualistion as well as pressure-coefficient distribution plots to underscore the underlying flow-physics related to aforementioned aerodynamic trends. These investigations emphasised the presence of varying three-dimensional relieving effect, intermixing between the three lobes as well as diverse flow separation characteristics downstream of the maximum diameter region leading to the aerodynamic variations thereof. The paper enhances aerodynamic understanding related to tri-lobed geometry that will be crucial in implementing future design changes to the baseline model for improved aerodynamic performance. Amalgamation of these inferences with an optimisation scheme could be implemented in future aerodynamic investigations to optimise tri-lobed geometry for enhanced aerodynamic utility.
In recent years, we have seen an immense expansion in recombinant DNA, especially in its use in gene therapy applications. Throughout its history, the United States set up several mechanisms of national safety and ethical oversight for rDNA to ensure that we proceeded with its use appropriately. As our knowledge and experience with it grew, there has been increasing pressure to decrease the oversight and monitoring requirements for its use. In 2019, the National Institutes of Health amended the NIH Guidelines for Research Involving Recombinant DNA Molecules eliminated three national mechanisms for guidance, monitoring, and review of this biotechnology. Four years later, we revisit these changes and their implications for a current emerging biotechnology: xenotransplantation. By better understanding the motivations for these mechanisms and analyzing the test case, we argue that these changes have worrisome implications for our ethical oversight of emerging biotechnologies both in the realm of gene transfer technologies and beyond.
A new sponge species (Demospongiae: Poecilosclerida: Podospongiidae) is described offshore from the Cape of Good Hope, on the southern edge of the Table Mountain National Park marine protected area. Podospongia capensis sp. nov. is compared to Podospongia natalensis, described by Kirkpatrick (1903) from the east coast of South Africa, as well as to all other Podospongia species described to date. The new species differs from P. natalensis in having a shorter, thicker stalk, lacking anisostrongyles as megascleres, and possessing a second category of large symmetrical aciculospinorhabds microcleres that are present in P. natalensis. Additionally, P. natalensis has larger oxeas and styles than those found in P. capensis sp. nov. Furthermore, the two species are geographically separated, with P. natalensis described from the Natal ecoregion, while P. capensis sp. nov. is described from the Southern Benguela ecoregion. The new species primarily differs from other congeners in external morphology and size of the oxeas and styles.
Fruit flies are the most serious problem in fruit production worldwide, causing severe losses in production and fruit quality. The use of parasitoids, especially Diachasmimorpha longicaudata (Ashmead) (Hymenoptera, Braconidae), is an important tool for suppressing the fruit fly population. The objectives of this study were to determine the exposure time, density, and ideal larval instar of Ceratitis capitata (Wiedemann) (Diptera: Tephritidae) and to verify whether the parasitoid’s previous experience affects its interaction with the host insect and the influence of these factors on the parasitism rate. In three bioassays, fly larvae were placed in ‘parasitism units’ to test different methods of exposure to female parasitoids. The variables included the previous experience of the female parasitoid with oviposition, the exposure time (30, 60, 120, 240, and 480 min) of the larvae to the parasitoid and the number (5, 10, 15, and 20) and instar (second and third) of the fly larvae. The flies and parasitoids that emerged were quantified, and the parasitism rate and sex ratio of the parasitoids were calculated. The results of the present study indicate that to increase the parasitism rate of D. longicaudata, third-instar larvae of C. capitata must be grouped into parasitism units of 20 larvae and exposed to a single female of the parasitoid for 8 h.
This study provides the description of a new species of Anisakidae, Contracaecum cocoi sp. nov., as well as the record of Contracaecum jorgei, both species parasitizing the Cocoi heron Ardea cocoi (Ardeidae) in a locality from the Buenos Aires Province, Argentina. An integrative taxonomic approach was used, involving phylogenetic analyses and the examination of diagnostic morphological features in the studied specimens. Among other features, the new species can be morphologically distinguished by the papillae arrangement on the male tail: while C. jorgei exhibits a simple morphotype A, C. cocoi sp. nov. presents an intermediate morphotype B. Mainly, the possession of three adcloacal papillae pairs is a diagnostic feature separating this new species from the rest of the Contracaecum species. The cox2 mtDNA isolates exhibited C. cocoi sp. nov. as a single node and grouped close to the clade formed by both species Contracaecum micropapillatum and C. bancrofti. The other cox2 mtDNA sequences showed a great concordance with C. jorgei. The K2P distances calculated for the cox2 mtDNA isolates of C. cocoi sp. nov. displayed a distance of 0.12 with C. bancrofti, 0.13 with C. micropapillatum, and 0.16 with C. jorgei. Contracaecum cocoi sp. nov. is proposed as a new taxon clearly supported by both phylogenetic analysis and distinctive morphological features that distinguish it from its congeners. The occurrence of C. cocoi sp. nov. together with C. jorgei in sympatric and syntopic conditions suggests that ecological or reproductive isolating mechanisms may be acting to maintain distinct lineages in shared environments. New records, particularly those involving intermediate and definitive hosts, will contribute to elucidating the distribution of these parasites in the Americas and potentially lead to the discovery of new species.