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Variation in social environment can mitigate risks and rewards associated with occupying a particular patch. We aim to integrate Ideal Free Distribution (IFD) and Geometry of the Selfish Herd (GSH) to address an apparent conflict in their predictions of equal mean fitness between patches (IFD) and declining fitness benefits within a patch (GSH). We tested these hypotheses in a socio-spatial context using individual caribou that were aggregated or disaggregated during calving and varied in their annual reproductive success (ARS). We then tested individual consistency of these spatial tactics. We reveal that two socio-spatial tactics accorded similar mean ARS (IFD); however, ARS for aggregated individuals declined near the periphery (GSH). Individuals near the aggregation periphery exhibited flexibility, whereas others were consistent. The integration of classical theories through a contemporary lens of consistent individual differences provides evidence for an integrated GSH and IFD strategy that may represent an evolutionary stable state.
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http://dx.doi.org/10.1111/ele.13563 | DOI Listing |
J Phys Chem A
September 2025
Department of Chemistry, Tsinghua University, Beijing 100084, China.
A series of Cu-based single-atom catalysts (SACs) with asymmetric coordination were designed to accelerate lithium-sulfur (Li-S) chemistry. The electronegativity contrast from the dopant induces a localized electronic asymmetry that amplifies Jahn-Teller distortion at the Cu center. This distortion profoundly modulates the Cu 3d electronic structure and its interaction with Li-S intermediates.
View Article and Find Full Text PDFTissue Eng Regen Med
September 2025
Department of Joint and Sports Medicine, Chaoyang Central Hospital, Chaoyang City, Liaoning Province, China.
Background: Osteoarthritis (OA) represents a major global health challenge with no ideal treatment options available. Early-stage treatment typically focuses on symptomatic relief of pain and stiffness; while late-stage patients can only opt for surgical interventions such as joint replacement to improve quality of life. Cell-free therapy based on extracellular vesicles (EVs) has offered a novel therapeutic approach for regulating bone metabolism and repairing cartilage, demonstrating emerging potential.
View Article and Find Full Text PDFChaos
September 2025
The Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education, School of Internet, Anhui University, Hefei 230601, China.
A captivating challenge in network research is the reconstruction of complex network structures from limited binary-state time series data. Although some reconstruction approaches based on dynamical rules or sparse system of linear equations have been proposed, these approaches either rely on known dynamical rules, limiting their generality, or the system of linear equations is often empirically determined, with weak interpretability and the performance being sensitive to parameter settings. To address these limitations, we propose a network reconstruction method based on linearization grounded in mean-field approximation.
View Article and Find Full Text PDFSmall
September 2025
Key Laboratory of Nanosystem and Hierarchical Fabrication of Chinese Academy of Sciences, National Center for Nanoscience and Technology, Beijing, 100190, China.
All-small-molecule organic solar cells (ASM-OSCs) with completely definite chemical structure are an ideal model to establish the relationship between molecular structure and device performance via aggregates. The end-capped acceptor unit is of great significance in the regulation of aggregates by essential molecular interactions. However, the successful end-capped acceptor units for small-molecule donors have been rather poorly studied and only focused on the alkyl substituted rhodamine, limiting further development for ASM-OSCs.
View Article and Find Full Text PDFEur J Public Health
September 2025
Department of Public and Occupational Health, Amsterdam University Medical Centre, University of Amsterdam, Amsterdam, The Netherlands.
Ideally, in a smoke-free generation, children could practice sports in a smoke-free setting. This article studied the prevalence of smoking at football clubs in two countries. An audit at 45 German and 116 Dutch clubs measured smoking prevalence at three places.
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