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Prinz August Wilhelm (1918): Site Formation Processes and Preservation of a First World War Shipwreck in the Colombian Caribbean

This non-intrusive study documents the archaeological condition and preservation status of the 1918 scuttled German steamship *Prinz August Wilhelm* in Puerto Colombia Bay, utilizing a multi-source approach to analyze site formation processes and underwater heritage management in dynamic tropical coastal environments.

Juan Guillermo Martín, Eduardo Roa, Julián Blanco, Julián Lázaro2026-10-15
📄 other

Quantifying cultural-intensity distributions in three dimensions: an anisotropic Gaussian spatial model with confidence weighting, demonstrated on the Neolithic cemetery–altar complex of Lingjiatan, China

This paper introduces the three-dimensional Gaussian spatial model (3DGSM), an anisotropic, confidence-weighted method for quantifying cultural intensity distributions that outperforms traditional isotropic techniques and reveals a distinct NNW–SSE directional bias in the Neolithic Lingjiatan cemetery–altar complex, aligning with the site's topographic ridge.

Chenglei Meng2026-10-14
📄 other

Archaeometallurgical Study of a Han Dynasty Thin-Walled Bronze Basin Excavated from the Fengzhou Cemetery, Baoji, Shaanxi, China

This study employs archaeometallurgical analyses of a Han Dynasty thin-walled bronze basin from the Fengzhou Cemetery to reveal its complex manufacturing process and Xiaoqinling lead provenance, illustrating a broader shift in Han bronze production from ritual to everyday commodity use driven by evolving social demands and resource circulation networks.

Jie Gao, Lingping Zheng, Han Wang, Hao Wang, Jiangbo Ma, Xi Liu2026-10-14
📄 other

Age at peak soccer performance among world-class women soccer players

This study analyzes 1,066 nominations for major international awards from 2001 to 2023 to determine that the peak performance age for world-class women's soccer players is approximately 26.8 years, with significant variations by position (ranging from 25.3 years for forwards to 29.3 years for goalkeepers) that align closely with men's patterns but are older than previously reported for women.

Geir Oterhals, Ragna Stalsberg, Håvard Lorås, Arve Vorland Pedersen2026-10-14
📄 other

From Prescriptive Standards to Proportional Risk: A Critical Analysis of English Fire Safety Regulation

This paper critically analyzes the evolution of English fire safety regulation from post-WWII prescriptive standards to the current proportional risk-based framework, highlighting that while legislation has shifted toward performance-based outcomes, the ambiguity surrounding "proportionality" and the lack of clear safety goals in recent acts like the Building Safety Act 2022 necessitate improved data-driven risk assessment to ensure consistent safety, particularly for existing buildings.

Richard Clark, Martina Manes2026-10-08
📄 other

Observability of False Negatives in Preprint Moderation: A Framework for Auditable Scientific Gatekeeping

This paper proposes a framework for "auditable scientific gatekeeping" to address the critical measurement gap in preprint moderation, arguing that while decision criteria are often transparent, the inability to observe the outcomes of rejected submissions prevents the empirical assessment of false-negative rates and necessitates new reporting standards to make substantive screening empirically testable.

Atsushi Otsuka2026-10-07
📄 other

First-Three-Stroke Technical-Tactical Organization and Pathways to the First Offensive Shot in Elite Men's Table Tennis: A Typical-Case Study of a Left-Handed Player

This typical-case study of elite left-handed player Wang Chuqin reveals that his first-three-stroke organization is context-dependent, characterized by frequent backhand involvement and distinct offensive pathways where receiving rallies often lead to immediate second-stroke attacks via backhand flicks, while service rallies typically delay the first offensive shot until the third stroke.

Yiyang Xu, Qizhi Zhu2026-10-05
📄 other

Electricity without Electricians: Diffusion and durability of informal off-grid solar in rural Madagascar

This study argues that while affordable, non-branded off-grid solar systems have successfully diffused in rural Madagascar due to their functional benefits and cultural compatibility, their long-term durability is compromised by underestimated technical complexity, necessitating greater policy support for technical capacity building to ensure reliable energy access.

Vanessa Lea, Kerstin K. Zander, Deepika Mathur2026-10-05