Preprint, not peer-reviewedChemRxiv
Lab study reports brighter scintillator material for X-ray imaging
A preprint, not yet reviewed by other scientists, published October 6, 2026, reports a lanthanide complex scintillator, a material that emits light when hit by radiation. The authors report a light output of 134,400 photons per MeV in powder form and 180,000 in single-crystal form, which they describe as unprecedented. In an imaging test, they say it enabled at least a fivefold reduction in irradiation time compared with radiography without an intensifying screen.
- Published
- Oct 6, 2026
DOI 10.26434/chemrxiv.15010010/v1
Preprint, not peer-reviewedChemRxiv
Lab study reports software that reduces noise in point-of-care tests
A preprint, not yet reviewed by other scientists, published October 7, 2026, describes deep learning software that tracks the full course of a point-of-care test to correct for signal noise, shown in a lateral flow assay for xylazine. In 251 patient urine samples, the authors report 94.02% accuracy and 71.15% sensitivity, compared with 89.2% accuracy and 48.1% sensitivity for human reading, using liquid chromatography-tandem mass spectrometry as the benchmark.
- Published
- Oct 7, 2026
DOI 10.26434/chemrxiv.15007405/v2
Preprint, not peer-reviewedChemRxiv
Model finds location and timing can lower direct air capture costs
A preprint, not yet reviewed by other scientists, published October 8, 2026, presents a dynamic model of direct air capture, a technology for removing carbon dioxide from air, applied to Alberta, Canada, using 2024 data. The authors report that optimized locations and cycle designs reduce estimated costs by up to 20%, and that dynamic conditions favor sites in northern Alberta. Because it is a modeling study, its estimates depend on the assumptions built into the model.
- Published
- Oct 8, 2026
DOI 10.26434/chemrxiv.15010123/v1
Preprint, not peer-reviewedarXiv
AI method aligns mouse and human brain activity and tracks known drug efficacy
A preprint, not yet reviewed by other scientists, published October 9, 2026, describes a dual-rule contrastive learning framework that aligns mouse and human neural states by biological state rather than species. The authors report that drug-induced movement toward the human-aligned healthy state tracked known clinical efficacy retrospectively across ten model-drug combinations, and that the framework linked Fmr1-knockout mice with human 16p11.2 copy-number variant carriers. Because the tracking looks back at known outcomes, it does not show that the method predicts new results.
- Published
- Oct 9, 2026
Preprint, not peer-reviewedarXiv
Theory says one 'buffer' car can boost traffic flow and damp stop-and-go waves
A preprint, not yet reviewed by other scientists, published October 9, 2026, derives mathematically that when connected vehicles take distinct roles, throughput is maximized when one designated buffer vehicle keeps a larger headway, letting the rest form a tightly spaced platoon. The authors confirm this with numerical spectral analysis and simulations using two traffic models, and report higher flow than unbuffered traffic. The work is theoretical and simulation-based, not a field test.
- Published
- Oct 9, 2026
Peer-reviewed studyPNAS
Model finds post-infection effects could shift vaccination incentives
A peer-reviewed study published October 9, 2026, uses mathematical models to examine how morbidity that lasts after infection changes the management of vaccination and other interventions. The authors report that long-term nonpharmaceutical interventions can reduce post-acute burden, and that post-infection costs can substantially shift societal incentives toward elimination. These are model results, so they show how incentives could change rather than measuring actual costs.
- Published
- Oct 9, 2026
DOI 10.1073/pnas.2609982123
Preprint, not peer-reviewedChemRxiv
Study finds waste tipping fees can support hydrothermal liquefaction in some cases
A preprint, not yet reviewed by other scientists, published October 9, 2026, models hydrothermal liquefaction (HTL), a process that converts wet organic waste into fuels and bioproducts, combining 402 literature experiments with process, cost and life-cycle analyses. The authors report median internal rates of return (IRR) up to 35.8% for decentralized biobinder systems, compared with up to 8.0% for decentralized sustainable aviation fuel (SAF) systems. They say existing tipping fees can support deployment in some cases, and higher fees or incentives can widen viability.
- Published
- Oct 9, 2026
DOI 10.26434/chemrxiv.15010134/v1
Preprint, not peer-reviewedChemRxiv
Lab study tests hydrogel microspheres to slow cooling in geothermal reservoirs
A preprint, not yet reviewed by other scientists, published October 9, 2026, describes temperature-responsive hydrogel microspheres that could redirect flow in geothermal reservoirs away from cooled short-circuit channels. The authors report that highly idealized simulations suggest a thermal lifetime improvement by a factor of at least 24 to 59, and a laboratory experiment showing the microgels clog cooled channels and divert flow into hotter regions, which they describe as a proof of concept.
- Published
- Oct 9, 2026
DOI 10.26434/chemrxiv.15010139/v1
Preprint, not peer-reviewedChemRxiv
Lab study finds silver layers of a few micrometers best for metal battery anodes
A preprint, not yet reviewed by other scientists, published October 9, 2026, tests silver alloying interlayers on zinc metal anodes built from particles of 100 nm, a few μm and 100 μm. The authors report that layers of few-μm particles gave the highest plating and stripping reversibility, and say this challenges the assumption that nanostructured layers are inherently better.
- Published
- Oct 9, 2026
DOI 10.26434/chemrxiv.15010155/v1
Preprint, not peer-reviewedChemRxiv
Flexible, ultra-lightweight triple-junction solar cell reaches 24.1% efficiency
A preprint, not yet reviewed by other scientists, published October 9, 2026, describes a flexible solar cell with two perovskite layers and one organic layer on a 10 μm polyethylene terephthalate substrate. The authors report a power conversion efficiency of 24.1%, a stabilized efficiency of 24.6% and 11.2 W/g of power per weight, and say it could suit aerospace, unmanned aerial vehicles, wearable electronics and portable power.
- Published
- Oct 9, 2026
DOI 10.26434/chemrxiv.15010188/v1
Preprint, not peer-reviewedbioRxiv
Lab-designed protein reduces brain damage by over 50% in mouse stroke model
A preprint, not yet reviewed by other scientists, published October 9, 2026, describes Denasin1, a miniprotein designed by computer to block the human acid-sensing ion channel 1a (hASIC1a), which causes neuronal death during ischaemic stroke. The authors report near-complete inhibition at nanomolar potency and a reduction in infarct volume (the size of damaged tissue) of more than 50% in a murine model of ischaemic stroke. The work is in cells and mice, not people.
- Published
- Oct 9, 2026
DOI 10.64898/2026.10.04.755611
Preprint, not peer-reviewedbioRxiv
Drug screen identifies four compounds that inhibit dengue virus in lab models
A preprint, not yet reviewed by other scientists, published October 9, 2026, reports a high-content screen of 960 compounds from a drug repurposing library, which identified four concentration-dependent inhibitors of dengue virus. The most potent, LY411575, a gamma secretase inhibitor, had an IC of 72 nM, and the authors say time-of-addition experiments suggest it acts before late-stage infection.
- Published
- Oct 9, 2026
DOI 10.64898/2026.10.06.757061
Preprint, not peer-reviewedbioRxiv
Stiffer surroundings boost growth-signal activity in cells, lab study finds
A preprint, not yet reviewed by other scientists, published October 9, 2026, reports that a stiffer extracellular matrix, the material around cells, potentiates signaling by the epidermal growth factor receptor (EGFR) from single molecules up to spheroids and tissues. The authors say integrin adhesions reshape the membrane to form signaling hotspots, and suggest this could help explain why some tyrosine kinase inhibitors lose effect in tumors. The link to clinical resistance is a suggestion, not a tested finding.
- Published
- Oct 9, 2026
DOI 10.64898/2026.10.06.757133
Preprint, not peer-reviewedbioRxiv
Red blood cells hold tumor DNA, challenging plasma-focused liquid biopsy
A preprint, not yet reviewed by other scientists, published October 9, 2026, reports that red blood cells bind tumor-derived deoxyribonucleic acid (DNA) on their surface, forming a circulating pool. In mice with lung cancer xenografts this bound tumor DNA tracked tumor burden, and in patients with lung cancer most detected mutant tumor DNA was on red cells rather than in plasma. The authors say this challenges the plasma-centric approach to liquid biopsy.
- Published
- Oct 9, 2026
DOI 10.64898/2026.10.07.755430
Preprint, not peer-reviewedbioRxiv
Enzyme breaks down polyethylene, polypropylene and polystyrene in lab tests
A preprint, not yet reviewed by other scientists, published October 9, 2026, reports crystal structures of a cysteine-dependent hydrolase (CsdH) from Rhodococcus opacus in complex with polyethylene, polypropylene, polystyrene and styrene. The authors show the enzyme degrades these homopolymers into smaller products, with polyethylene degraded most, and say the work lays a foundation for enzyme engineering against microplastic pollution.
- Published
- Oct 9, 2026
DOI 10.64898/2026.10.07.757487
Preprint, not peer-reviewedbioRxiv
Modified RNA nanostructures silence up to four genes at once in tests
A preprint, not yet reviewed by other scientists, published October 9, 2026, describes fully chemically modified RNA nanostructures built entirely from stabilized therapeutic nucleic acids, which the authors say can deliver small interfering RNA (siRNA) to heart and muscle without a separate vehicle. The authors report sustained silencing of up to four genes from one structure, and that larger structures improve distribution to the central nervous system after cerebrospinal fluid administration.
- Published
- Oct 9, 2026
DOI 10.64898/2026.10.08.757482
Preprint, not peer-reviewedbioRxiv
Chronic nanoplastic exposure harms human kidney cells in lab study
A preprint, not yet reviewed by other scientists, published October 9, 2026, reports 12 days of continuous laboratory exposure of human kidney proximal tubule cells to 20 nm or 100 nm carboxylated polystyrene nanoplastics. The authors report that 20 nm particles caused progressive loss of viability and extensive gene dysregulation, while 100 nm particles had minimal effect, and they identify ANGPTL4 as a candidate early marker of kidney stress.
- Published
- Oct 9, 2026
DOI 10.64898/2026.10.08.757574
Preprint, not peer-reviewedbioRxiv
Carbonic anhydrase inhibitor improves heart function in Alzheimer's mouse model
A preprint, not yet reviewed by other scientists, published October 9, 2026, reports that long-term treatment of Tg2576 mice, a model of Alzheimer disease, with acetazolamide (ATZ), a carbonic anhydrase inhibitor, reduced cardiac amyloid-beta and restored heart function in 13-month-old mice. The authors also report that inhibition in human cardiomyocytes preserved brain-derived neurotrophic factor (BDNF) signaling against amyloid-beta oligomers. The work is in mice and cultured cells, not people.
- Published
- Oct 9, 2026
DOI 10.64898/2026.10.08.757731
AnnouncementPew Research Center
About half of U.S. adults never use chatbots, Pew finds
Pew Research Center reports, in an announcement published October 9, 2026, that about half of U.S. adults never use chatbots, and that most non-users cite disinterest, privacy or accuracy concerns. It summarizes Pew's own survey findings, so it reports what Pew says rather than independent verification.
- Published
- Oct 9, 2026
AnnouncementPew Research Center
Pew digest reports social media spreads rumors that harm democracy
Pew Research Center's digest of its worldwide public opinion surveys, published October 9, 2026, cites a Reuters report that social media harms democracy by spreading rumors. The same digest says most people think artificial intelligence (AI) will cut more jobs than it creates, and that Indians feel AI will widen the rich-poor gap. As a digest of other coverage, it gives the findings without survey methods.
- Published
- Oct 9, 2026