Intractable Problems | List of Frontiers open access articles

Original Research

Published on 04 Mar 2026

Phase-specific changes in anthropometric and physical fitness outcomes among Chinese upper-secondary students before, during, and after the COVID-19 pandemic: the moderating role of educational track

in Public Health Education and Promotion

Chenlu Xu
Chendong Xu
Shenxing Du

Frontiers in Public Health

doi 10.3389/fpubh.2026.1771290

103 views

Original Research

Published on 04 Mar 2026

Collaborative pedagogies in primary physical education: a comparative analysis of tandem teaching models in North Macedonia and Slovakia

in Physical Education and Pedagogy

Gabriela Luptáková
Biljana Popeska
Hristina Ristevska
Tibor Balga
Ilija Klincarov
Branislav Antala

Frontiers in Sports and Active Living

doi 10.3389/fspor.2026.1754410

Original Research

Published on 04 Mar 2026

Father wellbeing: self-efficacy, positive engagement, and reading with children

in Personality and Social Psychology

Claudine Habak
Anna Marie Dillon
Kay Gallagher
Sumaya Saqr

Frontiers in Psychology

doi 10.3389/fpsyg.2026.1730393

115 views

Original Research

Published on 04 Mar 2026

Dental caries prevalence in all school children in one of the grassroots areas in Southern China: a retrospective study

in Oral Epidemiology

Jin Sun
Zhiqiang Zhang
Yuting Liu
Liudan Peng
Huanhua Zhu
Zemo Gan

Frontiers in Oral Health

doi 10.3389/froh.2026.1774964

128 views

Case Report

Published on 04 Mar 2026

Blau syndrome with atrophoderma vermiculata-like appearance: a case report

in Autoimmune and Autoinflammatory Disorders : Autoimmune Disorders

Jingwei Zheng
Jianfang Sun

Frontiers in Immunology

doi 10.3389/fimmu.2026.1759464

Original Research

Published on 04 Mar 2026

Synthesis and photocatalytic activity of CeO2-NbC-x catalysts for degrading oxytetracycline in aquaculture water bodies

in Photocatalysis and Photochemistry

Fanggang Hong
Langtao Gao

Frontiers in Chemistry

doi 10.3389/fchem.2026.1778672

148 views

Review

Published on 04 Mar 2026

Diet, gut microbiome, and cognition in neurodegeneration: a review and methodological framework

in Neuroinflammation and Neuropathy

Jacob Raber
Thomas J. Sharpton

Frontiers in Aging Neuroscience

doi 10.3389/fnagi.2026.1771904

Original Research

Published on 04 Mar 2026

Machine learning tools-based diagnosis of soil nutrient constraints to increase the productivity of citrus orchards

in Climate-Smart Agronomy

Heiplanmi Rymbai
Leon-Etienne Parent
Anoop Kumar Srivastava
Hammylliende Talang
Veerendra Kumar Verma
Vasileios Ziogas
Joiedevivreson Mawlein
Thangavel Ramesh
Samarendra Hazarika
Lohit Kumar Baishya

Frontiers in Agronomy

doi 10.3389/fagro.2026.1719690

224 views

Hypothesis and Theory

Published on 04 Mar 2026

From touch to triage: translating the NAME model into clinical practice for enhanced neonatal assessment

in Neonatology

Francesco Cerritelli
Caterina Accardi
Alessia Alati
Adele Alberti
Marco Chiera
Matteo Galli
Chiara Leva
Erica Lombardi
Micol Pivotto
Sonia Travaglini

Frontiers in Pediatrics

doi 10.3389/fped.2026.1734450

195 views

Original Research

Published on 04 Mar 2026

Production of biochar derived from guinea pig manure as a soil amendment in high Andean and coastal acidic soils in Peru: agronomic potential and cost analysis for sustainable circularity

in Plant-Soil Interactions

Richard Solórzano
Lucía Damián
Sherly Herrera
Roger Pichis-García
Rita Cabello-Torres
Cesar Padilla-Castro
Alberto Arias
Azucena Chávez
Geomar Vallejos-Torres

Frontiers in Agronomy

doi 10.3389/fagro.2026.1787188

130 views

Original Research

Published on 04 Mar 2026

Mapping China's sports tourism projects: regional imbalances, urban agglomerations, and driving forces

in Sport, Leisure, Tourism, and Events

Fanxiang Zhao
Joonyoung Han

Frontiers in Sports and Active Living

doi 10.3389/fspor.2026.1761223

Original Research

Published on 04 Mar 2026

Conversion technology of steel reinforcement system for underground engineering lining

in Structural Materials

Xiangrong Song
Wei Tian
Haisheng Yang
Xin Feng
Hanbiao Zhu
Huiwu Luo

Frontiers in Materials

doi 10.3389/fmats.2026.1774784

Original Research

Published on 04 Mar 2026

Role of microbial interactions in the impaired cultivability of thermophilic lactic acid bacteria in natural whey starter for Parmigiano Reggiano PDO cheese production

in Food Microbiology

Marianna Cristofolini
Maria Ronsivalle
Maria Pramazzoni
Giulia Zaccarini
Valentina Pizzamiglio
Lisa Solieri

Frontiers in Microbiology

doi 10.3389/fmicb.2026.1755652

137 views

Original Research

Published on 04 Mar 2026

Dual-functional sulfonated PEEK implants via graphene oxide–mediated BMP-2 gene delivery: enhanced osteogenic and antibacterial performance in vitro

in Translational Medicine

Yueying Pan
Bumairemu Yiminjiang
Adilai Abula
Refeina Tuerxun
Maihefuzi Aishan

Frontiers in Medicine

doi 10.3389/fmed.2026.1763692

Original Research

Published on 04 Mar 2026

Alzheimer’s detection using discrete wavelet transform based image fusion and vision information transformer

in Biomedical Signal Processing

Amar A. Dum
Kshama V. Kulhalli
Priyanka Singh

Frontiers in Signal Processing

doi 10.3389/frsip.2026.1680796

207 views

Original Research

Published on 04 Mar 2026

The relationship between distributed leadership and the enthusiasm and professional collaboration levels of teachers in Türkiye: the moderator effect of teacher optimism

in Educational Psychology

Yurdagül Doğuş

Frontiers in Psychology

doi 10.3389/fpsyg.2026.1729734

Articles

Phase-specific changes in anthropometric and physical fitness outcomes among Chinese upper-secondary students before, during, and after the COVID-19 pandemic: the moderating role of educational track

Collaborative pedagogies in primary physical education: a comparative analysis of tandem teaching models in North Macedonia and Slovakia

Father wellbeing: self-efficacy, positive engagement, and reading with children

Dental caries prevalence in all school children in one of the grassroots areas in Southern China: a retrospective study

Blau syndrome with atrophoderma vermiculata-like appearance: a case report

Synthesis and photocatalytic activity of CeO2-NbC-x catalysts for degrading oxytetracycline in aquaculture water bodies

Diet, gut microbiome, and cognition in neurodegeneration: a review and methodological framework

Machine learning tools-based diagnosis of soil nutrient constraints to increase the productivity of citrus orchards

From touch to triage: translating the NAME model into clinical practice for enhanced neonatal assessment

Production of biochar derived from guinea pig manure as a soil amendment in high Andean and coastal acidic soils in Peru: agronomic potential and cost analysis for sustainable circularity

Mapping China's sports tourism projects: regional imbalances, urban agglomerations, and driving forces

Conversion technology of steel reinforcement system for underground engineering lining

Role of microbial interactions in the impaired cultivability of thermophilic lactic acid bacteria in natural whey starter for Parmigiano Reggiano PDO cheese production

Dual-functional sulfonated PEEK implants via graphene oxide–mediated BMP-2 gene delivery: enhanced osteogenic and antibacterial performance in vitro

Alzheimer’s detection using discrete wavelet transform based image fusion and vision information transformer

The relationship between distributed leadership and the enthusiasm and professional collaboration levels of teachers in Türkiye: the moderator effect of teacher optimism