This cross-journal Collection showcases the broad and exciting field of emerging techniques and applications in medical ultrasound.

Highlight innovative research on measuring health-related quality of life in infants and toddlers, showcasing methodological advancements and psychometric evidence from the EQ-TIPS Development.

Three-dimensional (3D) printing is revolutionizing medical education by transforming digital images into tangible models. These models, derived from patient radiological data, enhance anatomical understanding and provide hands-on learning opportunities. 3D printing is particularly beneficial in surgical training, allowing students to practice on realistic models.

This collection highlights molecular mechanisms of heart development and how their disruption causes congenital heart disease, integrating genetic, epigenetic, and multi-omics insights from basic and translational studies.

This special issue aims to explore the fundamental mechanisms and innovative prevention strategies for cascading geohazards including rockfalls, landslides, and landslide dams under the pressures of environmental change, ultimately advancing the theoretical and technical frontiers of global disaster mitigation.

This collection welcomes original research articles on emission control technologies, greenhouse gas reduction strategies, mechanistic insights, process optimization, and sustainable engineering solutions that advance the science and practice of air pollution and greenhouse gas mitigation.

This Collection brings together cutting‑edge research and perspectives from ASICON 2026 on closing persistent gaps in the HIV care continuum, translating scientific advances in prevention, treatment, and long‑term care into improved, patient‑centred outcomes.

The integration of narrative economics and artificial intelligence (AI) has moved beyond simple sentiment analysis. While previous research primarily treated news or social media as passive data sources, the emergence of Autonomous AI Agents and Multimodal Large Models has introduced a new layer of market complexity.

This Collection examines the mechanisms, behaviours, and evolutionary consequences of reproduction and sexual selection in insects and arachnids, linking reproductive physiology with ecological and applied outcomes.

This Collection aims to explore the ethical and regulatory aspects of artificial intelligence in primary care. We welcome submissions that investigate issues related to patient privacy, data protection, informed consent, and the development of ethical frameworks governing AI applications. By showcasing research in this area, we seek to inform best practices and promote responsible AI integration in healthcare settings.

We welcome original research articles on innovative technologies, mechanistic insights, remediation optimization, environmental impact assessment, and sustainable strategies that advance the science and practice of land decontamination.

This Collections aims to bring together high-quality research that encompasses the many diverse roles of purinergic signaling across various biological systems. We welcome submissions that advance our understanding of its evolutionary breadth, receptor and ligand diversity, insights into purinergic mechanisms, as well as applications across species and biological systems.

This Collection highlights recent advances in sustainable environmental biotechnology for waste valorization, water treatment, and pollution remediation, focusing on innovative microbial, enzymatic, and bio-based materials approaches. It covers topics including plastic biodegradation, biochar and nanomaterial-based adsorption, microplastic contamination, and eco-friendly strategies that support circular economy and environmental sustainability.

Mucosal vaccines hold great promise for blocking infection and transmission at the portal of entry, but their development and translation are hindered by heterogeneous vaccination protocols, immune readouts, and regulatory uncertainty. This Collection welcomes original research, methods papers, and reviews that propose standardized approaches for mucosal vaccine delivery, sampling, and immunological evaluation to enable robust assessment and comparison of mucosal vaccine-induced immunity across

This Collection will highlight how single-cell multi-omics technologies are transforming our understanding of protective immunity and vaccine-induced immune responses. It will feature studies integrating transcriptomic, epigenetic, spatial, and immune repertoire profiling to uncover the cellular and molecular mechanisms that drive immune protection and memory formation.

The aim of this Collection is to compile a broad range of studies, spanning from molecular mechanisms to neuronal circuits, in order to advance our understanding of both the normal function and pathology of the auditory system.

This Collection aims to provide a focused platform for advancing research on brain insulin signaling and resistance in AD, with particular emphasis on its mechanistic and translational relevance.

The primary aim of this Collection is to gather original research and review articles that elucidate glial mechanisms underlying neuroinflammation and neurodegeneration.

This Collection features evidence‑based updates in the diagnosis and treatment of neurological disorders commonly encountered in the neurocritical care unit.

BMC Public Health invites submissions to its Collection on the epidemiology of long COVID.