A Mathematical Filter Estimates Learning Difficulty in Simulation
Preprint: This theorem-based model estimates a hidden learning trajectory across 24 weekly sessions, using simulated data rather than observations from real children.
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New corpus tracks 470,795 software specification files
The preprint presents a public GitHub dataset spanning 73,030 repositories, with typed links to code and a separate Kiro collection.
AI method shrinks the evidence trail for checking LLM answers
Preprint: BLIP reports compact, verifiable provenance for large language model answers and tests how much source text is needed to reproduce them.
A new model traces Raman signals back to individual atoms
Preprint: Calculations on three related molecules suggest that atomic contributions can reinforce or cancel one another, while the modeled silver substrate also responds.
Best-effort computing linked to faster digital evolution runs
Preprint tests reported faster CPU-cluster runs, while wafer-scale simulations exposed data loss and directional bias.
Silicon Detector Extends Infrared Response to 2.6 Microns
Preprint: Direct germanium-tin integration reached a 2.6-micron cutoff, while a thin absorber and slow response remained key constraints.
Preprint claims a tighter deterministic approximation for matrix permanents
A proof-based algorithm would improve the canonical Bethe guarantee for every nonnegative rational square matrix, while its constants and independent checks remain open.
Pacific Fish Show Strong Genetic Split Between Hemispheres
A peer-reviewed study of Seriola lalandi also found smaller regional differences in Mexico and sharp contrasts between some hatchery stocks and wild fish.
Forensic protein tool narrows microbial sources, but misses some
MARLOWE performed strongly on pure cultures and primary organisms in simulated mixtures, but secondary contributors and a comparison with MiCId showed clear limits.
Nearly four in 10 young children seeking care tested positive for RSV
Preprint: Prospective surveillance in three English areas found RSV positivity ranging from 12.7% in primary-care upper respiratory cases to 50% among emergency-department admissions.
Patients nominated caregivers with love, guilt and responsibility
A qualitative study found patients wanted online help to ease caregiver strain and open conversations about illness and the future.
Battery-Operated Harvester Records High Efficiency in Fenugreek Field Tests
The machine posted strong cutting and harvesting figures, but conflicting optimization details leave its exact recommended pulley setting unclear.
Cell study links low SIRT1 to stronger inflammatory signaling
Hyperoxia and LPS were associated with the same pattern in macrophages, but the result is an early laboratory lead, not evidence of a treatment.
Orange-Peel Nanoparticles Show Lab Activity Against Cancer and Microbes
A laboratory study reports activity against selected microbes and cancer cell lines, but offers no evidence of treatment in animals or people.
Cyanobacteria-made catalyst breaks down more crystal violet
In laboratory tests under ultraviolet light, the biogenic material removed more dye than a chemically made comparator.
Language Linked to Performance on a Liver Encephalopathy Test
A small Taiwanese cohort found that serum IL-6 performed best as a single marker overall, while language-specific findings still need larger validation.
Automated video test detects more D. immitis microfilariae in blood
A small laboratory comparison found higher sensitivity than a manual wet mount, but accuracy at high parasite burdens and species discrimination remain unresolved.
Witnessed cardiac arrests tied to better EMS resuscitation outcomes
A retrospective registry analysis found higher odds of return of circulation when arrests were witnessed or began with PEA, but it did not test treatment effects.
Consensus recommends finerenone for older adults with kidney disease
The guidance cites lower reported kidney and heart-failure risks, but says evidence remains limited in the very elderly, frail and severely malnourished.
Platinum compounds show different reactions with model DNA
A peer-reviewed laboratory study found Compound 2 had lower DNA reactivity than three other platinum compounds, but its precise binding site remains unknown.