Stratum
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Related Articles from SNS
Epidermal microstructure and tactile sensitivity in the glabrous skin of hands and feet
Glabrous skin on the human palms and soles is specialised for mechanical interaction and is characterised by papillary ridges, an absence of hair follicles, and a thick stratum corneum. While gross morphological differences, such as the increased thickness of the plantar stratum corneum, are well-documented, the fine-scale structural features associated with individual ridges and whether they help explain differences in tactile perception remain poorly understood. Here, we employed optical...
The Cascade Log: Reference-Stable Windowing over Tiered Append Sequences
Announce Type: new Abstract: A long-running append-mostly sequence, such as an edit log, event store, or versioned working set, is usually tiered into a bounded hot stratum and colder folded summaries. This saves memory but breaks stable references: a handle minted while a record is hot may later be resolved after the record has moved into a digest, after it has been superseded, or while a fold is in flight. We define the resulting cross-tier anomalies--dangling, stale, corrupt, and...
Wonderwerk Cave bones reveal possible fire use by human ancestors 1.79 million years ago
June 7, 2026 report Wonderwerk Cave bones reveal possible fire use by human ancestors 1.79 million years ago Paul Arnold Author Gaby Clark Scientific Editor Robert Egan Associate Editor The discovery of fire was a major milestone in human evolution, giving our ancestors a way to stay warm, ward off predators, and eventually start cooking food. But exactly when this first happened is still intensely debated, as unambiguous evidence is difficult to find. However, new research from a cave in...
Conditional Hypothesis Generation for LLM-Based Text Analysis with Researcher-Specified Covariates
Announce Type: new Abstract: A core goal of computational social science is to discover interpretable differences in how language varies across outcomes of interest, such as political affiliation or instructional quality. Recent LLM-based hypothesis generation methods describe such differences in natural language, but select for globally discriminative patterns without accounting for covariates that shape the data based on researchers' domain knowledge. When covariates are ignored, selected...
Pre-Modern Armies for Worldbuilders, Part I: Why They Fight
This week I want to try something a little different. Rather than taking apart a particular fantasy military system, I thought I might try to lay out a more general sense of how military systems tend to map on to societies, both because such general historical frameworks are handy for thinking about the past, but also because they make useful rules of thumb for imagining fantastical societies. So essentially here we are asking: how do societies end up with the sort of armies they have?