Search Results (5,597)

As the core space for students’ daily living and learning, the quality of the indoor wind environment and air quality in dormitory buildings is particularly critical. However, existing studies often neglect natural ventilation optimization under local climatic conditions and the multidimensional evaluation of health benefits, leaving notable gaps in dormitory design. Under the Healthy China Initiative, the indoor wind environment in university dormitories directly impacts students’ health and learning efficiency. This study selects dormitory buildings in Xuzhou as the research object and employs ANSYS FLUENT 2020 software for computational fluid dynamics (CFD) simulations, combined with orthogonal experimental design methods, to systematically investigate and optimize the indoor wind environment with a focus on healthy ventilation standards. The evaluation focused on three key metrics—comfortable wind speed ratio, air age, and CO₂ concentration—considering the effects of building orientation, corridor width, and window geometry, and identifying the optimal parameter combination. After optimization based on the orthogonal experimental design, the proportion of comfortable wind speed zones increased to 44.6%, the mean air age decreased to 258 s, and CO₂ concentration stabilized at 613 ppm. These results demonstrate that the proposed optimization framework can effectively enhance indoor air renewal and pollutant removal, thereby improving both air quality and the health-related performance of dormitory spaces. The novelty of this study lies in integrating regional climate conditions with a coordinated CFD–orthogonal design approach. This enables precise optimization of dormitory ventilation performance and provides locally tailored, actionable evidence for advancing healthy campus design. Full article

This paper presents the foot design for humanoid robot Mithra, with the goal of biomimetically improving impact behavior, natural power cycling throughout the gait cycle, and balance. For this purpose, an optimization framework was built which evaluates the human-inspired objectives using a dynamic finite element analysis validated by benchtop experiments. Using this framework and through several concept design iterations, a low-cost, compliant foot was optimized, designed, and fabricated. The analyses showed that the optimized foot significantly outperformed the baseline rigid foot in approaching the characteristics of human feet. The proposed framework is not limited to humanoids and can also be applied to the foot design for lower-limb prostheses and exoskeletons. Full article

The research investigated how science education through integrated sustainability practices helps primary school students develop environmental identity while studying sustainability practices in their daily schoolwork. The research investigated methods to incorporate sustainability principles into regular school operations, which would lead students toward environmentally responsible conduct. The research used qualitative methods to achieve its goals. The research team conducted 60 sessions of semi-structured interviews and school observations in private schools located in Riyadh and Al-Ahsa regions of Saudi Arabia. The Grounded Theory method enabled researchers to generate concepts that directly stem from the collected data. The research results demonstrated that schools need to implement sustainability practices to teach students about nature-human connections and develop environmental values and sustainable practices and improve daily environmental practices and establish sustainable practices as school examples. The study demonstrated that students developed stronger environmental identity through daily school activities that incorporated sustainability education. Furthermore, students’ environmental behaviors improved through participation in activities such as waste sorting and tree planting. Based on these findings, the study recommends strengthening the role of science education in promoting sustainability through practical activities, training teachers in integrative environmental education strategies, developing curricula that emphasize sustainable practices, and involving parents in raising environmental awareness within the school community. Full article

Indigenous Fire Stewardship (IFS) has long been practiced by Indigenous Peoples to care for the land, reduce wildfire risk, and maintain ecological and cultural values. In British Columbia, Yunesit’in, a member of the Tsilhqot’in Nation, has revitalized their IFS practices following the 2017 Hanceville Fire. As climate policy increasingly supports nature-based solutions, carbon credit programs are emerging as a potential funding source for IFS. This study used grounded theory with interviews to understand Yunesit’in IFS practitioners’ and community leaders’ perspectives on carbon credits. Using the concept of “cultural signatures,” we identified core values shaping community engagement in carbon markets. While most interviewees (7/10) were initially unfamiliar with carbon credits, many saw their potential to support long-term program goals after learning more. Three cultural signatures emerged from the analysis: (1) a sense of stewardship responsibility, (2) the importance of a community-grounded program, and (3) the revitalization of Indigenous knowledge and land-based practices. Interviewees expressed concern that carbon credits might shift the program’s focus away from land and culture toward technical goals that exclude community participation. We conclude that building awareness about carbon and carbon credits among Indigenous Peoples, and supporting engagement processes that reflect cultural signatures in carbon frameworks, are both critical. Full article

In this article, we explain how Kant upends the terms of the debate concerning the relationship between God’s existence and an objective morality by looking at his moral-teleological argument for God’s existence in the third Critique. We explain Kant’s rejection of external sources of moral normativity and his method of grounding moral authority in the normativity of practical reason. We then turn to Kant’s argument justifying a practical belief in God as the moral author of nature. Kant’s claims about how we must conceptualize organisms teleologically and, as a result, how reason seeks an unconditioned end of nature, brings together our moral purpose with a conception of nature as an organized whole. Since our teleological concepts of organisms seem to require that human beings serve as the final, unconditioned end of nature, but morality and nature might be incompatible and divergent, we must also believe in a moral author of nature. This belief guards against demoralization and creates a unified view of the human moral agent and the world she inhabits, which Kant thinks of as indispensable for our practical lives. Kant notoriously blurs the lines between theology and ethics in nonstandard ways. Although he rejects many traditional approaches to grounding ethics in a conception of divine commands or eternal law, he still devotes a considerable amount of time to discussing the role of religion as a bulwark of the moral life. The goal of this paper is to defend Kant’s relevance to a discussion of the relationship between an objective ethics and the existence of God; his contribution deserves our notice precisely for the ways in which it promises to shift the terms of the contemporary debate and complicate possible answers to the question of whether there can be an objective morality without God. In contemporary philosophical literature, Kant’s argument contending that we must hope in God from a practical point of view on pain of irrationality of acting from duty has enjoyed substantial discussion. Here, however, we focus on a lesser-known suite of arguments that in order to so much as cognize ourselves and other species as the sorts of natural beings they are, we must believe in a supersensible moral author of these natures. This set of arguments ultimately dovetail with the more well-known argument for theistic hope and operate in much the same way. But they touch on facets of Kant’s whole philosophical system, such as his account of teleological judgment and the unity and final end of all of nature. Our goal is to explicate these arguments and illuminate their relevance of these Kantian arguments to the debate about the relevance of God to objective morality. We will argue that while an objective ethics is possible without God due to the active role of practical reason in rational agents, belief in God’s existence strengthens the claims of morality, both for psychological reasons but also by providing a more unified conception of moral and natural reality. Full article

Coronary artery disease (CAD) remains a major cause of mortality worldwide. Among the standard therapeutic approaches are percutaneous coronary interventions (PCI) employing stents. The main limitation of the procedure lies in the permanent stiffening of the vessel wall. The DynamX Bioadaptor, representing a new generation of vascular stents, combines the advantages of standard implants with a unique mechanism—“uncaging.” Its helical structure, linked by a biodegradable material, enables the restoration of the vessel’s natural functions. This breakthrough concept in interventional cardiology holds the potential to establish a new standard of care for patients suffering from CAD. In this work, we aim to synthesize the available evidence concerning the characteristics of the DynamX Bioadaptor and its impact on vascular physiology. We provide a comprehensive review and evaluation of current clinical reports on its use, analyzing the available literature in comparison with other stent technologies. Recognizing that the DynamX Bioadaptor is a relatively recent innovation, we also seek to identify existing gaps in the literature and propose future directions for research to fully assess its long-term clinical potential. Full article

Background/Objectives: Migrant youth often experience multiple, intersecting systems of oppression (e.g., racism, poverty, and discrimination) that may contribute to disparities in pediatric pain prevalence, severity, and management. However, pain in migrant youth remains poorly understood. This rapid scoping review will examine the nature and extent of the existing literature on pain among migrant youth. Methods: This protocol has been preregistered on the Open Science Framework. The review will follow guidelines for conducting and reporting rapid and scoping reviews, and will be guided by PCC (population, concept, context) and PROGRESS-Plus methodological frameworks. Electronic searches will be conducted in MEDLINE, CINAHL, and Scopus for primary research studies published since 2015 that describe and examine pain among migrant youth (age < 18 years). Two reviewers will independently screen titles, abstracts, and full texts, with disagreements resolved by consensus or a third reviewer. Data charting will be piloted on 5–10 studies, then independently conducted by two reviewers. Extracted data will include study characteristics (authors, year, purpose, methodology); participant sociodemographic information (e.g., racial and/or ethnic identity, age, sex, gender identity, sexual orientation, socioeconomic position); migration status; countries of origin and destination; definition and characteristics of pain; and measures of systemic factors (e.g., racism). Results: Findings will be synthesized descriptively and interpreted within sociocultural and geopolitical contexts to better understand pain among migrant youth. Conclusions: This review will aim to provide critical insights into the intersections between migration and pediatric pain, offering guidance for future research, clinical practice, and policy to improve pain management and outcomes for migrant youth. Full article

Research has well documented the far-reaching benefits of providing educational opportunities for individuals who are incarcerated, applicable to the students themselves and society. Given the many benefits, it is encouraging that access to U.S. Pell Grants for incarcerated students was restored in July 2023—the first time in nearly 30 years that need-based federal postsecondary financial aid was available to individuals in U.S. prisons. Although Pell Restoration enables an increasing number of colleges and universities to provide higher-education-in-prison (HEP) programs, this funding guarantees nothing about the quality and rigor of programming. In fact, relatively little is known about the nature, scope, and quality of HEP programs within the United States, and it is both timely and important to deeply examine these topics. The present study is a critical qualitative case study of three college-in-prison programs in the southern United States. To interrogate the nature and quality of the programs, this study explores the experiences and practices of program faculty and directors, drawing from research and scholarship in education and the behavioral sciences to examine two key areas: faculty training and the educational experiences made available to students. Multiple forms of data were collected, and two main findings emerged: (a) faculty training is piecemeal and limited, and (b) the educational experiences made available in the three programs are simultaneously empowering and disempowering. Using Ladson-Billings’s concept of the education debt (including its historical, moral, and economic underpinnings), this study highlights that the three college-in-prison programs—like many HEP programs across the United States—both contribute to and challenge the education debt. Full article

Fungi in tropical ecosystems remain an understudied yet critical component of climate change mitigation, particularly within the Land Use, Land-Use Change, and Forestry (LULUCF) sector. This review highlights their dual role in reducing greenhouse gas (GHG) emissions by regulating carbon dioxide (CO₂), methane (CH₄), and nitrous oxides (N₂O) while enhancing long-term carbon sequestration. Mycorrhizal fungi are pivotal in maintaining soil integrity, facilitating nutrient cycling, and amplifying carbon storage capacity through symbiotic mechanisms. We synthesize how fungal symbiotic systems under LULUCF shape ecosystem networks and note that, in pristine ecosystems, these networks are resilient. We introduce the concept of Nature-based Culture (NbC) to describe symbiotic self-cultures sustaining ecosystem stability, biodiversity, and carbon sequestration. Case studies demonstrate how the NbC concept is applied in reforestation strategies such as AeroHydro Culture (AHC), the Integrated Mangrove Sowing System (IMSS), and the 4N approach (No Plastic, No Burning, No Chemical Fertilizer, Native Species). These approaches leverage mycorrhizal networks to improve restoration outcomes in peatlands, mangroves, and semi-arid regions while minimizing land disturbance and chemical inputs. Therefore, by bridging fungal ecology with LULUCF policy, this review advocates for a paradigm shift in forest management that integrates fungal symbioses to strengthen carbon storage, ecosystem resilience, and human well-being. Full article

The paper presents an innovative theoretical concept of a bio-inspired soft gripper system with two parallel jaws, a fixed and a mobile one. It is conceived for gripping fragile or soft objects with complex, irregular shapes that are easily deformable. This novel gripper is designed for handling small objects of masses up to 0.5 kg. The maximum gripping stroke of the mobile jaw is 13.5 mm. The driving motor is a pneumatic muscle, an actuator with inherently compliant, spring-like behavior. Compliance is the feature responsible for the soft character of the gripper system, ensuring its passive adaptability to the nature of the object to be gripped. The paper presents the structural, kinematic, static, and dynamic models of the novel gripper system and describes the compliant behavior of the entire assembly. The results of the dynamic simulation of the gripper have confirmed the attaining of the imposed motion-related performance. Full article

Crimean-Congo hemorrhagic fever virus (CCHFV) is a tick-borne zoonotic pathogen of growing public health concern in southeastern Europe. This study provides the first serological evidence of CCHFV circulation in Croatia, based on testing 1473 serum samples from farm and companion animals, including sheep, horses, cattle, goats, dogs, and cats. A total of 109 samples (7.4%) tested positive for CCHFV antibodies using a commercially available enzyme-linked immunosorbent assay (ELISA) kit. The highest seroprevalence was recorded in sheep (28.3%), followed by horses (4.3%) and a single cat (0.5%), with no antibodies detected in cattle, goats, or dogs. Almost all seropositive animals originated from coastal and subcoastal Croatia, where Hyalomma ticks are present. Only two seropositive cases were detected in continental areas. Sheep samples from several farms in Zadar County showed intra-farm seropositivity rates of up to 85.7%, suggesting localised virus circulation likely influenced by vector distribution and farm-level practices. No viral ribonucleic acid (RNA) was detected by quantitative reverse transcription polymerase chain reaction (qRT-PCR), consistent with the transient nature of viremia in most animal hosts. These findings confirm the silent circulation of CCHFV in Croatia and reinforce the need for targeted, regionally adapted surveillance strategies that integrate multiple hosts and support early warning systems aligned with the One Health concept. Full article

This paper presents TwinP2G, a software application for optimal planning of investments in power-to-gas (PtG) systems. TwinP2G provides simulation and optimization services for the techno-economic analysis of user-customized energy networks. The core of TwinP2G is based on power flow simulation; however it supports energy sector coupling, including electricity, green hydrogen, natural gas, and synthetic methane. The framework provides a user-friendly user interface (UI) suitable for various user roles, including data scientists and energy experts, using visualizations and metrics on the assessed investments. An identity and access management mechanism also serves the security and authorization needs of the framework. Finally, TwinP2G revolutionizes the concept of data availability and data sharing by granting its users access to distributed energy datasets available in the EnerShare Data Space. These data are available to TwinP2G users for conducting their experiments and extracting useful insights on optimal PtG investments for the energy grid. Full article

Technological advancements have enabled users to digitize and store an unlimited number of multimedia documents, including images and videos. However, the heterogeneous nature of multimedia content poses significant challenges in efficient indexing and retrieval. Traditional approaches primarily focus on visual features, often neglecting the semantic context, which limits retrieval efficiency. This paper proposes a hybrid deep learning and knowledge graph approach for intelligent image indexing and retrieval. By integrating deep learning models such as EfficientNet and Vision Transformer (ViT) with structured knowledge graphs, the proposed framework enhances semantic understanding and retrieval performance. The methodology incorporates feature extraction, concept classification, and hierarchical knowledge graph structuring to facilitate effective multimedia retrieval. Experimental results on benchmark datasets, including TRECVID, Corel, and MSCOCO, demonstrate significant improvements in precision, robustness, and query expansion techniques. The findings highlight the potential of combining deep learning with knowledge graphs to bridge the semantic gap and optimize multimedia indexing and retrieval. Full article

The pursuit of a comprehensive understanding of human consciousness, which includes the subjective experience of perception, is a long-standing endeavor. A multitude of disciplines have sought to elucidate and define consciousness, with a particular emphasis on its etiology. What is the cause of consciousness? One particularly eye-opening idea is that humans attempt to identify the source of consciousness by leveraging their own consciousness, as if something is attempting to elucidate itself. Strikingly, the results of brain-imaging experiments indicate that the brain processes a considerable amount of information outside conscious awareness of the organism in question. Perhaps, the vast majority of decision making, thinking, and planning processes originate from non-conscious brain processes. Nevertheless, consciousness is a fascinating phenomenon, and its intrinsic nature is both intriguing and challenging to ascertain. In the end, it is not necessarily given that consciousness, in particular the phenomenon of perception as the subjective experience it is, is a tangible function or process in the first place. This is why it must be acknowledged that this theoretical paper is not in a position to offer a definitive solution. However, it does present an interesting new concept that may at least assist future research and potential investigations in achieving a greater degree of elucidation. The concept is founded upon a physical (mathematical) phenomenon known as stochastic resonance. Without delving into the specifics, it is relatively straightforward to grasp one of its implications, which is employed here to introduce a novel direction regarding the potential for non-conscious information within the human brain to become conscious through the introduction of noise. It is noteworthy that this phenomenon can be visualized through a relatively simple approach that is provided in the frame of this paper. It is demonstrated that a completely white image is transformed into an image depicting clearly recognizable content by the introduction of noise. Similarly, information in the human brain that is processed below the threshold of consciousness could become conscious within a neural network by the introduction of noise. Thereby, the noise (neurophysiological energy) could originate from one or more of the well-known activating neural networks, with their nuclei being located in the brainstem and their axons connecting to various cortical regions. Even though stochastic resonance has already been introduced to neuroscience, the innovative nature of this paper is a formal introduction of this concept within the framework of consciousness, including higher-order perception phenomena. As such, it may assist in exploring novel avenues in the search for the origins of consciousness and perception in particular. Full article

In the face of escalating sociopolitical hostility toward diversity, equity, and inclusion (DEI) efforts, trans and queer (TQ) center(ed) diversity workers in higher education are navigating increasingly precarious professional landscapes. This study explores the lived experiences of TQ-center(ed) diversity workers through a general qualitative design informed by participatory action research (PAR). Drawing on the concept of “burn through,” critiquing the role of institutions in the exhaustion of practitioners, and the theory of tempered radicalism, describing the fine line diversity workers must navigate to advocate for change within oppressive systems, we examine how these practitioners persist amid institutional neglect, emotional labor, and political antagonism. Findings from interviews with eight participants reveal three central themes: the systemic nature of burn through, the protective power of community, and the multifaceted role of liberation in TQ-center(ed) diversity work. Participants described both the toll and the transformative potential of their roles, highlighting community as a critical site of resistance and renewal. This study contributes to the growing literature on TQ advocacy in higher education and underscores the need for institutional accountability and collective care in sustaining liberatory futures. Full article