This topic focuses on humanitarian aid workers, emphasizing ethics, altruism, and best practices in delivering effective, compassionate support during crises and challenging environments.

Next-generation adaptive and resilient composite materials are attracting significant research interest due to their ability to respond to external stimuli reliable performance under demanding conditions.

This Collection outlines recent advances in state-of-the-art biosensing and biomolecular electronics systems that are driving the transition toward personalized healthcare. The rapid expansion in advanced nanomaterials, microfluidics, wearable devices, POC diagnostics, and AI-assisted signal processing is enabling the development of smart biosensors that are becoming increasingly critical for early disease diagnosis, real-time health monitoring, and personalized therapeutic decision-making.

The special issue aims to articulate the increasingly intertwined intersections among technological innovation, industrial policy, and digital entrepreneurship within techno-developmental states—countries characterized by active governmental roles in steering technology-driven development.

This special issue aims to gather high-quality, original research that advances secure, efficient, and reliable IoT-CRN integration. The exponential growth of the Internet of Things (IoT) has strained limited spectrum resources, while Cognitive Radio Networks (CRNs) offer dynamic spectrum access to address this bottleneck. However, security vulnerabilities, resource optimization challenges, and interoperability issues hinder the seamless integration of IoT and CRNs.

This Collection delves into the diverse array of bioactive phytochemicals present in common and exotic food varieties, examining their molecular mechanisms and evidence-based health benefits.

This special issue welcomes theoretical, empirical, and methodological contributions that examine the intersection of Industry 5.0 and financial innovation

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This Collection focuses on the critical roles of regulatory T cells (Tregs) in immune regulation and self-tolerance. We welcome submissions that investigate their mechanisms of action, implications in autoimmunity, and potential therapeutic applications. By advancing our understanding of Tregs, this Collection aims to foster new insights that could translate into innovative treatments for a variety of immune-related conditions.

This Collection highlights original research that report synthetic, structural, spectroscopic, or theoretical advances, as well as applications in catalysis, magnetism, materials science, nuclear chemistry, and sustainability. Studies that address challenges of bonding interpretation, selective separations, and the integration of f-element chemistry into emerging technologies are particularly welcome.

This collection explores plant–soil microbiome networks, highlighting how microbial diversity and community interactions around plant roots shape crop performance, soil health, and ecosystem resilience. By integrating network-based analyses, molecular tools, and field applications, it connects fundamental microbiome science with sustainable and climate-resilient agricultural practices.

Chemistry using data science or mathematical treatment

BMC Psychiatry invites research to our First episode psychosis: diagnosis, treatment, and outcomes Collection. This Collection seeks to gather research that explores the complexities of first episode psychosis, including its neurobiological basis, longitudinal course, effective early intervention strategies, and long-term outcomes.

This Collection aims to advance the science of sea level change by integrating multi-source observations to elucidate underlying mechanisms and improve coastal impact assessments. It emphasizes cross-validation of datasets and rigorous uncertainty quantification to strengthen the scientific foundation for risk assessment and adaptation planning.

This Topical Collection examines how global migration reshapes societies and fuels policy debates, with a focus on the interplay between geopolitical change and fiscal sustainability. It welcomes comparative, empirically grounded studies that employ diverse methods to inform evidence-based responses to migration in an interconnected world.

This collection seeks to address the new demands and challenges for high-performance electronic sensors in the age of Artificial Intelligence.

This Collection aims to collate innovative research on cardiac arrest, focusing on critical aspects such as out-of-hospital cardiac arrest (OHCA), return of spontaneous circulation (ROSC), and post-cardiac arrest care. We welcome submissions that explore advancements in treatment protocols, management strategies, and technology to improve outcomes in patients experiencing cardiac arrest, contributing to the ongoing evolution of emergency medicine.

We welcome Original Research articles, Reviews, and Perspectives that address the development, characterization, and application of next-generation materials for sustainable water treatment

This Collection focuses on digital twin–enabled smart water treatment systems, spanning centralized, decentralized, and hybrid infrastructures.

This Collection brings together interdisciplinary research that advances hypersaline brine management toward zero liquid discharge while enabling circular-economy outcomes.