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Browse the failure-mode index

21,691 real negative results, null findings, and replication failures. Search the index →

WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record compiled from open scholarly databases; the abstract is shown in full only where the paper is openly licensed, otherwise a short excerpt under fair use. Classifications are automated and approximate.

Negative / Null Result ReportOpen accessHealth Professions

Social inclusion of people with severe mental illness: a review of current practices, evidence and unmet needs, and future directions

Claire Henderson, Yasuhiro Kotera, Brynmor Lloyd‐Evans et al. · 2026 · World Psychiatry

Social inclusion means being able to participate in activities valued within one's community or wider society as one would wish. People with severe mental illness (i.e., psychoses, bipolar disorder, and severe depression) experience some…

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Negative / Null Result ReportOpen accessSocial Sciences

Labeling messages as AI-generated does not reduce their persuasive effects

Isabel O. Gallegos, Chen Shani, Weiyan Shi et al. · 2026 · PNAS Nexus

Abstract As generative AI enables the creation and dissemination of information at massive scale and speed, it is increasingly important to understand how people perceive AI-generated content. One prominent policy proposal requires explicitly labeling AI-generated content to increase transparency and encourage critical thinking about the information, but prior research has not yet tested the effects of such labels. To address this gap, we conducted a survey experiment (N=1,601) on a diverse sample of Americans, presenting participants with an AI-generated message about several public policies

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Negative / Null Result ReportOpen accessMedicine

Feasibility of two levels of protein intake in patients with colorectal cancer: findings from the Protein Recommendation to Increase Muscle (PRIMe) randomized controlled pilot trial

Katherine L. Ford, Michael B. Sawyer, Sunita Ghosh et al. · 2024 · ESMO Open

•Patients were able to increase and sustain dietary protein intake from preintervention levels.•Over one-half of patients in the 2.0 g/kg/day group maintained or gained MM with a 12-week targeted nutrition intervention.•This work…

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Negative / Null Result ReportOpen accessNeuroscience

Wearable EEG-Based Brain–Computer Interface for Stress Monitoring

Brian Premchand, Liyuan Liang, Kok Soon Phua et al. · 2024 · NeuroSci

Detecting stress is important for improving human health and potential, because moderate levels of stress may motivate people towards better performance at cognitive tasks, while chronic stress exposure causes impaired performance and health risks. We propose a Brain-Computer Interface (BCI) system to detect stress in the context of high-pressure work environments. The BCI system includes an electroencephalogram (EEG) headband with dry electrodes and an electrocardiogram (ECG) chest belt. We collected EEG and ECG data from 40 participants during two stressful cognitive tasks: the Cognitive Vig

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Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

A Deep Learning and Explainable AI-Based Approach for the Classification of Discomycetes Species

Aras Fahrettin Korkmaz, Fatih Ekinci, Şehmus Altaş et al. · 2025 · Biology

This study presents a novel approach for classifying Discomycetes species using deep learning and explainable artificial intelligence (XAI) techniques. The EfficientNet-B0 model achieved the highest performance, reaching 97% accuracy, a 97% F1-score, and a 99% AUC, making it the most effective model. MobileNetV3-L followed closely, with 96% accuracy, a 96% F1-score, and a 99% AUC, while ShuffleNet also showed strong results, reaching 95% accuracy and a 95% F1-score. In contrast, the EfficientNet-B4 model exhibited lower performance, achieving 89% accuracy, an 89% F1-score, and a 93% AUC. These

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Negative / Null Result ReportOpen accessMedicine

Safety of Avacopan for the Treatment of Antineutrophil Cytoplasmic Antibody–Associated Vasculitis: Combined Data From Three Clinical Trials

Peter A. Merkel, Michael George, Huibin Yue et al. · 2025 · ACR Open Rheumatology

OBJECTIVE: This study aimed to report the safety of avacopan, an oral selective complement C5a receptor antagonist, using pooled data from clinical trials in patients with antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis…

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Negative / Null Result ReportOpen accessMedicine

Relationship between central autonomic effective connectivity and heart rate variability: A Resting-state fMRI dynamic causal modeling study

Liangsuo Ma, Larry Keen, Joel L. Steinberg et al. · 2024 · NeuroImage

• Resting- state fMRI data were acquired from 34 healthy participants. • Effective connectivities (ECs) associated with HRV and heart rate were investigated. • Regression DCM and ICA were used to identify most relevant network nodes. • ECs…

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Negative / Null Result ReportOpen accessMedicine

Physical activity for public health in the 21st century

Deborah Salvo, Inácio Crochemore-Silva, Andrea Wendt et al. · 2026 · Nature Medicine

With over 5 million attributed deaths per year, physical inactivity is a major global public health issue. Although the importance of physical activity is well recognized within the scope of obesity and cardiometabolic disease prevention…

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Negative / Null Result ReportOpen accessMaterials Science

Innovative Strategies to Overcome Stability Challenges of Single-Atom Nanozymes

Rong Guo, Qiuzheng Du, Yaping He et al. · 2026 · Nano-Micro Letters

Single-atom nanozymes (SAzymes) exhibit exceptional catalytic efficiency due to their maximized atom utilization and precisely modulated metal-carrier interactions, which have attracted significant attention in the biomedical field. However, stability issues may impede the clinical translation of SAzymes. This review provides a comprehensive overview of the applications of SAzymes in various biomedical fields, including disease diagnosis (e.g., biosensors and diagnostic imaging), antitumor therapy (e.g., photothermal therapy, photodynamic therapy, sonodynamic therapy, and immunotherapy), antim

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Negative / Null Result ReportOpen accessArts and Humanities

Unique Motivations of the Underserved: Exploring Repertoire, Self-Identified, and Topical News Avoidance Among Black Adults

Miya Williams Fayne, Stephanie Edgerly · 2025 · Mass Communication & Society

This study examines three forms of news avoidance (repertoire, self-identified, and topical) among Black Americans and the overlap between the different forms. We center African Americans, who are often ignored or stereotyped by mainstream…

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Negative / Null Result ReportOpen accessPhysics and Astronomy

Hitting the slopes: a spectroscopic view of UV continuum slopes of galaxies reveals a reddening at z > 9.5

Aayush Saxena, Alex J. Cameron, Harley Katz et al. · 2026 · Monthly Notices of the Royal Astronomical Society

ABSTRACT The ultraviolet (UV) continuum slope of galaxies, $\beta$, is a powerful diagnostic of the metallicity and ages of stars, nebular gas properties, dust content, and the escape of Lyman continuum (LyC) photons. In this study, we present $\beta$ measurements for 395 spectroscopically confirmed galaxies at $5 \lt z \lt 14.3$ selected primarily from JADES, using high-quality JWST (James Webb Space Telescope) NIRSpec/PRISM spectra. We find a median $\beta = -2.15$, finding a mild increase in blueness of $\beta$ with increasing redshift and fainter UV magnitudes. Interestingly, we find evide

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Negative / Null Result ReportOpen accessNeuroscience

The role of plasma inflammatory markers in late-life depression and conversion to dementia: a 3-year follow-up study

Mariia Bocharova, Tom Borza, Leiv Otto Watne et al. · 2025 · Molecular Psychiatry

Late-life depression (LLD) has been linked to increased likelihood of dementia, although mechanisms responsible for this association remain largely unknown. One feature frequently observed in both LLD and dementia is elevated levels of plasma inflammatory markers. The present study aimed to compare the levels of 12 plasma inflammatory markers between older people with LLD and controls, and to explore whether these markers, along with clinical characteristics, can predict dementia in patients with LLD within 3 years of follow-up. Using multiple linear regression with stepwise adjustment, we com

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Negative / Null Result ReportOpen accessMedicine

Integrating Artificial Intelligence and PET Imaging for Drug Discovery: A Paradigm Shift in Immunotherapy

Jeremy McGale, Harrison J. Howell, Arnaud Beddok et al. · 2024 · Pharmaceuticals

The integration of artificial intelligence (AI) and positron emission tomography (PET) imaging has the potential to become a powerful tool in drug discovery. This review aims to provide an overview of the current state of research and highlight the potential for this alliance to advance pharmaceutical innovation by accelerating the development and deployment of novel therapeutics. We previously performed a scoping review of three databases (Embase, MEDLINE, and CENTRAL), identifying 87 studies published between 2018 and 2022 relevant to medical imaging (e.g., CT, PET, MRI), immunotherapy, arti

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Negative / Null Result ReportOpen accessEngineering

Experimental Investigation of the Bearing-Deformation Behavior of Broken Rocks in Goafs Under Various Influencing Factors

Yue Zhao, Jiang Su, Zhengzhen An et al. · 2026 · Applied Sciences

Coal gangue is one of the most abundant solid wastes generated during coal mining. The use of coal gangue for underground backfilling is widely recognized as an effective approach to reducing waste accumulation and promoting sustainable utilization. To further investigate the bearing and deformation behavior of underground gangue filling materials, combined with the underground occurrence conditions of crushed gangue in goaf, a self-designed loading apparatus for crushed gangue was employed to perform lateral compression experiments on crushed gangue. The compaction deformation, fractal dimens

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Negative / Null Result ReportOpen accessPsychology

LLM-powered socially assistive robot-delivered cognitive behavioral therapy exercises: an exploratory study with university students

Mina Kian, Mingyu Zong, Katrin Fischer et al. · 2026 · Frontiers in Robotics and AI

Mental health is a significant healthcare challenge, and cognitive behavioral therapy (CBT) is a widely used therapeutic method for treating anxiety and depression. However, traditional CBT often requires access to trained clinicians and can be cost-prohibitive or logistically difficult for many individuals. To address these barriers, we developed a low-cost socially assistive robot (SAR) that uses a large language model (LLM) to guide the user through interactive at-home CBT exercises. In this exploratory study, 38 university students completed CBT exercises across a 15-day period using one o

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Negative / Null Result ReportOpen accessDecision Sciences

Artificial intelligence, data elements, digital economy, and corporate innovation performance

Yuan Ma, Wenchao Zhang, Chengxiang Ma et al. · 2025 · International Review of Economics & Finance

In an era defined by digital transformation, artificial intelligence (AI) has emerged as a critical driver of corporate competitiveness, yet the mechanisms through which it enhances innovation remain a key area of inquiry. This study…

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Negative / Null Result ReportOpen accessMedicine

Organ-on-a-Chip Models of the Female Reproductive System: Current Progress and Future Perspectives

Pan Min, Huike Chen, Kai Deng et al. · 2025 · Micromachines

The female reproductive system represents a highly complex regulatory network governing critical physiological functions, encompassing reproductive capacity and endocrine regulation that maintains female physiological homeostasis. The in vitro simulation system provides a novel tool for biomedical research and can be used as physiological and pathological models to study the female reproductive system. Recent advances in this technology have evolved from 2D and 3D printing to organ-on-a-chip (OOC) and microfluidic systems, which has emerged as a transformative platform for modeling the female

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Negative / Null Result ReportOpen accessNeuroscience

Electrophysiological indices of hierarchical speech processing differentially reflect the comprehension of speech in noise

Shyanthony R. Synigal, Andrew J. Anderson, Edmund C. Lalor · 2026 · eNeuro

ABSTRACT The past few years have seen an increase in the use of encoding models to explain neural responses to natural speech. The goal of these models is to characterize how the human brain converts acoustic energy into distinct linguistic representations that enable everyday speech comprehension. For example, researchers have shown that electroencephalography (EEG) data can be modeled in terms of acoustic features of speech, such as its amplitude envelope or spectrogram, linguistic features such as phonemes and phoneme probability, and higher-level linguistic features like context-based word

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Negative / Null Result ReportOpen accessMedicine

Safety and efficacy of valoctocogene roxaparvovec with prophylactic glucocorticoids: 1-year results from the phase 3b, single-arm, open-label GENEr8-3 study

Margareth C. Ozelo, Jane Mason, Amy L. Dunn et al. · 2025 · Journal of Thrombosis and Haemostasis

BACKGROUND: Valoctocogene roxaparvovec, an adeno-associated virus vector that transfers a human factor (F)VIII (FVIII) coding sequence to hepatocytes, provides bleeding protection for people with severe hemophilia A. OBJECTIVES: Determine…

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Negative / Null Result ReportOpen accessMedicine

Rise of precision medicine: can it deliver on its promise in IBD?

Stefan Schreiber, Konrad Aden, Florian Tran et al. · 2025 · Gut

The clinical and molecular heterogeneity of IBD—both between patients and within the same individual over time—continues to pose a significant challenge to the implementation of truly personalised treatment strategies. Unlike oncology,…

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Negative / Null Result ReportOpen accessEconomics, Econometrics and Finance

Economic Growth, FDI, Tourism, and Agricultural Productivity as Drivers of Environmental Degradation: Testing the EKC Hypothesis in ASEAN Countries

Yuldoshboy Sobirov, Beruniy Artikov, Elbek Khodjaniyazov et al. · 2025 · Sustainability

This study examines the long-run relationship between carbon dioxide (CO2) emissions and key macroeconomic and sectoral drivers in ten ASEAN economies from 1995 to 2023. Employing Driscoll–Kraay standard errors, Prais–Winsten regression, heteroskedastic panel-corrected standard errors, Fully Modified Ordinary Least Squares (FMOLS), Dynamic Ordinary Least Squares (DOLS), and Canonical Cointegrating Regression (CCR) estimators, the analysis accounts for cross-sectional dependence, slope heterogeneity, and endogeneity. Results indicate that GDP exerts a more-than-unitary positive effect on emissi

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Negative / Null Result ReportOpen accessEarth and Planetary Sciences

Revising the Giant Planet Mass–Metallicity Relation: Deciphering the Formation Sequence of Giant Planets

Yayaati Chachan, Jonathan J. Fortney, Kazumasa Ohno et al. · 2025 · The Astrophysical Journal

Abstract The rate at which giant planets accumulate solids and gas is a critical component of planet formation models, yet it is extremely challenging to predict from first principles. Characterizing the heavy element (everything other than hydrogen and helium) content of giant planets provides important clues about their provenance. Using thermal evolution models with an updated H–He equation of state and atmospheric boundary conditions that vary with envelope metallicity, we quantify the bulk heavy element content of 147 warm (<1000 K) giant planets with well-measured masses and radii, mo

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Negative / Null Result ReportOpen accessPhysics and Astronomy

CHIME/Fast Radio Burst Discovery of an Unusual Circularly Polarized Long-period Radio Transient with an Accelerating Spin Period

Fengqiu Adam Dong, Kaitlyn Shin, Casey Law et al. · 2025 · The Astrophysical Journal Letters

Abstract We report the discovery of CHIME J1634+44, a long-period radio transient (LPT) unique for two aspects: it is the first known LPT to emit fully circularly polarized radio bursts, and it is the first LPT with a significant spin-up. Given that high circular polarization (>90%) has been observed in FRB 20201124A and in some giant pulses of PSR B1937+21, we discuss the implications of the high circular polarization of CHIME J1634+44 and conclude its emission mechanism is likely to be “pulsar-like.” While CHIME J1634+44 has a pulse period of 841 s, its burst arrival patterns are indicati

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Negative / Null Result ReportOpen accessEnvironmental Science

Volumetric urban sprawl: Horizontal and vertical growth in two metropolitans

Alì Soltani, Parviz Azizi, Aliasghar Rahimioun et al. · 2025 · Journal of Urban Management

The escalating complexities of rapid urbanization necessitate a paradigm shift in urban form evaluation, moving beyond traditional horizontal analyses to incorporate the crucial dimension of vertical growth. This study pioneers a volumetric approach, integrating 3D and 2D spatial analyses, to dissect compactness, sprawl, and their underlying drivers across two contrasting metropolitan regions: the Tehran Metropolitan Region (TMR) and the Greater Sydney Region (GSR) over a 40-year period (1980s–2020s). Our findings reveal a striking dichotomy: TMR exhibits pronounced ‘vertical sprawl,’ characte

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Negative / Null Result ReportOpen accessSocial Sciences

The Road to Stock Market Participation

Sumit Agarwal, Meghana Ayyagari, Yuxi Cheng et al. · 2026 · Management Science

This paper examines how infrastructure development affects stock market participation in India using trading data from more than 13 million individuals. Using the phased rollout of a national road construction program as a natural…

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Negative / Null Result ReportOpen accessAgricultural and Biological Sciences

Invited Review: Inflammation and Health in the Transition Period Influence Reproductive Function in Dairy Cows

T.C. Bruinjé, S.J. LeBlanc · 2025 · Animals

In the early postpartum period, dairy cows undergo significant adaptations in Ca and lipid metabolism, immune function, and inflammatory processes. Concurrent exposure to endotoxins from the uterus, gastrointestinal tract, or mammary gland increases the risk of disease and reproductive problems. Metabolic and inflammatory imbalances during this phase can have both immediate and long-term effects on reproductive health. Associations between metabolic disorders and reproductive outcomes are often confounded by immune activation and systemic inflammation. However, optimal markers, thresholds, and

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Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

Artificial Intelligence for Exosomal Biomarker Discovery for Cardiovascular Diseases: Multi-Omics Integration, Reproducibility, and Translational Prospects

Rasit Dinc, Nurittin Ardıç · 2026 · Cells

Exosomes and other extracellular vesicles (EVs) carry microRNAs, proteins, and lipids that reflect cardiovascular pathophysiology and can enable minimally invasive biomarker discovery. However, EV datasets are highly dimensional and heterogeneous, strongly influenced by pre-analytic variables and non-standardized isolation/characterization workflows, limiting reproducibility across studies. Artificial intelligence (AI), including machine learning (ML), deep learning (DL), and network-based approaches, can support EV biomarker development by integrating multi-omics profiles with clinical metada

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