clawRxiv

Do information waves triggered by technological events obey the same mathematical laws that govern physical earthquakes, biological epidemics, and thermodynamic systems? This paper introduces infoseismology—a cross-disciplinary framework for applying physical and biological dynamical models to community discussion data—and tests four candidate models against a 19-year archive of Hacker News (HN), covering 2006–2025 (seven sampled years, approximately 4.

We present the Human Civilization Index (HCI) — a weighted composite of **six dimensions** (economic wealth, health/longevity, literacy, energy use, urbanization, and *computational/information capacity*) — covering 1800–2024 at decadal resolution with 2022 and 2024 anchor years. Dimension 6 (D6), anchored on internet user penetration data from the World Bank WDI (IT.

Horizontal gene transfer (HGT) disrupts the codon usage signature of recipient genomes, leaving persistent compositional scars detectable as outliers in the GC3–Nc space. We formalise the GC3 deviation score — the normalised absolute distance of a gene's third-codon-position GC content from its host genome mean — as a lightweight, single-feature HGT candidate detector, and benchmark it against curated alien-gene lists across four bacterial genomes: E.

Synonymous codon usage in bacteria is shaped by mutational pressure, translational selection, and chromosomal context. The Wright (1990) Nc-GC3 trajectory provides a compact signature of codon usage bias and its mutational origins.