Humanities and Social Sciences

Co₃O₄ catalysts’ properties improved with calcination temperature in NaBH₄ hydrolysis

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Cobalt oxide (Co₃O₄) catalysts synthesized using green methods were studied in the context of sodium borohydride (NaBH₄) hydrolysis, with in-situ reduction observed during the reaction. The research focuses on the impact of varying ratios of Solanum lycopersicum (tomato) leaf extract and cobalt acetate hexahydrate, as well as calcination temperatures, on the catalysts’ structural and catalytic … Read more

Anthropic AI Agents Find CRISPR-Like Viral DNA Pattern

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Artificial intelligence agents associated with the titan Anthropic have scanned genomic data to discover a peculiar pattern of DNA within giant viruses, a finding that the company compared to bacterial CRISPR immune systems. The discovery, released September 23 on the alphaXiv platform and not yet peer reviewed, marks the initial output from Anthropic’s newly launched … Read more

BC/MXene/PPy Bio-Anode Performance in Microbial Fuel Cells: Copper vs. Carbon Felt Cathodes

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Microbial fuel cells using a novel Bacterial Cellulose/MXene/Polypyrrole bio-nanocomposite have achieved a 112% increase in capacitance and a 37% reduction in charge transfer resistance, according to electrochemical analysis of wastewater energy recovery technologies. Researchers optimizing these bio-anodes through cathodic interfacial engineering demonstrated that carbon felt cathodes yield power densities of 217 mW per square meter … Read more

Lu+ Optical Frequency References Achieve Record 19th-Digit Accuracy

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Lutetium ion optical clocks achieve exceptional frequency comparison precision through advanced Ramsey interrogation sequences, active magnetic field stabilization, and rigorous systematic shift evaluations according to recent experimental data. Researchers maintain stable operational parameters across dual experimental chambers to evaluate systematic frequency uncertainties below the threshold of modern optical frequency standards. Experimental Sequence and State Preparation … Read more

New Human Brain Gene Map Unlocks Clues to Alzheimer’s Disease

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Scientists have produced the largest map to date of gene activity in the human prefrontal cortex, sequencing data from more than six million individual cells across almost 1,500 people to inform the study of neurodegenerative and psychiatric diseases in unprecedented detail, according to a collection of studies published in Nature and other journals. Mapping Gene … Read more

Modeling LLM Response Accuracy: A Bayesian Hierarchical Approach

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Recent evaluations of Large Language Models (LLMs) analyzing neuroanatomy questions from the Turkish Medical Specialization Examination between 2013 and 2021 show that ChatGPT-4o and Microsoft Copilot achieve higher overall accuracy than Google Gemini. According to the reviewed data of 176 single-correct-answer questions tested across three role-based prompt levels, ChatGPT-4o performed best across all tested categories, … Read more

Predicting Anemia Risk in Iranian Adults Using Interpretable Machine Learning

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Anemia prediction models in Iranian adults achieve a validated AUC of 0.8625 using Logistic Regression after researchers strip away circular data flaws, according to a methodological re-examination of public health screening frameworks. The corrected framework addresses earlier data leakage issues, replacing a flawed near-perfect AUC of 1.00. Methodological Flaws in Original Machine Learning Models Initial … Read more

Deep Learning for Automated Cervical Vertebral Maturation Staging in CBCT Scans

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Automated deep learning algorithms can classify cervical vertebral maturation stages from cone-beam computed tomography scans with up to 88.54% accuracy, according to a recent diagnostic imaging study. Orthodontists rely on skeletal maturity assessments to time interventions like myofunctional appliances and orthognathic surgery. Deep Learning Approaches to Cervical Vertebral Maturation Staging Researchers evaluated deep learning algorithms … Read more

Cell Death Types Explained: Why Variety Matters

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Cell death pathways and newly discovered forms of cellular demise such as alkaliptosis and ruptosis are reshaping modern biology, as researchers identify roughly 20 distinct types of cell death since 1999, moving far beyond the classical categories of necrosis and apoptosis, according to cell biologist Daolin Tang, formerly of the University of Pittsburgh and now … Read more

How the Infant Gut Microbiome Develops During the First Year of Life

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Infant gut microbiome development undergoes a significant metabolic shift during the complementary feeding period, moving from simple sugar degradation toward complex polysaccharide breakdown and short-chain fatty acid fermentation, according to metagenomic data from the COMBINE cohort analyzed by researchers. The transition coincides with the introduction of solid foods, which typically occurs between four and six … Read more

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