A searchable index of real negative results, null findings, and replication failures from the published literature — so you can learn what didn't work before repeating it.
WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record (title, authors, DOI) compiled from open scholarly databases, with the abstract shown in full only where the paper is openly licensed (e.g. Creative Commons); otherwise a short excerpt is shown for reference under fair use. WASTE classifies each work by failure type; classifications are automated and approximate.
19850 results in Negative / Null Result Report · page 338 of 662
Dhakal S, Tiwari N · 2026 · Scientific reports
The integration of 3D printing technology in construction has gained significant attention due to its potential to utilize sustainable, earth-based materials. This innovative approach offers a fast, cost-effective, and environmentally…
Aitynova A, Dyusebaeva M, Issayeva D et al. · 2026 · Molecules (Basel, Switzerland)
A phytopreparation based on the CO 2 extract of Arctium tomentosum Mill. root (AT) was evaluated for its safety and anti-inflammatory potential in Swiss albino mice. Acute and 28-day subacute oral toxicity studies demonstrated that AT, at…
Demirkıran B, Melekoglu T, Żurek G · 2026 · Preprint
Purpose: This study examined the acute effects of High-Intensity Interval Training (HIIT) and prolonged endurance training (ET) on heart rate variability (HRV) in elite Greco-Roman wrestlers. A secondary aim was to assess the usefulness of…
Barnes-Scheufler C, Yalçın M, Rösler L et al. · 2026 · Preprint
Abstract Deficits in visuospatial working memory (WM) have been consistently reported in both persons with schizophrenia (PSZ) and bipolar disorder (PBD). In healthy controls (HCS), WM typically declines with age; however, it remains…
Huang H, Smets C, Chen L et al. · 2026 · Brain stimulation
Background Transcranial focused ultrasound stimulation (TUS) has emerged as a promising tool for noninvasive neuromodulation. However, the specific effects of stimulation parameters on neural activity remain incompletely understood.…
Akudey PM, Tutu-Boahene B, Owusu SO et al. · 2026 · Preprint
Abstract This study investigates the conditional effect of firm resilience on the relationship between social capital and business continuity among Ghanaian vegetable agribusinesses, anchored in Network Theory and Dynamic Capabilities…
Singh SS · 2026 · Preprint
This study examines the relationship between capital structure and financial performance amongst firms constituting the Dow Jones Industrial Average (DJIA) over the period 2009 to 2020. Utilising secondary data from the Bloomberg database…
Wang WH, Lin DH · 2026 · Current opinion in nephrology and hypertension
Purpose of review Angiotensin-II plays an important role in regulating thiazide-sensitive Na-Cl-cotransporter (NCC) encoded by Slc12A3. Moreover, inwardly-rectifying-K+ (Kir) channels 4.1/Kir5.1 encoded by Kcnj10 and Kcnj16 have been shown…
Tan Y, Liu S, Zang L · 2026 · BMC psychology
Background Future anxiety may be relevant to academic burnout among university students, but its short-term temporally ordered association with burnout and the cognitive processes involved remain unclear. This study tested whether brooding…
Dias CS Jr, Verona AP, Leocádio V · 2026 · Journal of religion and health
This study examines the relationship between religious denomination, religious attendance, and mammography screening among White and Black women in Brazil, using baseline data from the Brazilian Longitudinal Study of Aging (ELSI-Brazil,…
Acuña J, Barnhart MD, Kennedy SC et al. · 2026 · Veterinary and comparative orthopaedics and traumatology : V.C.O.T
To evaluate the effect of a 3.5 mm tibial plateau leveling osteotomy (TPLO) locking compression plate on serial postoperative tibial plateau angle (TPA) maintenance, short-term osteotomy healing, and complication rates in dogs weighing 45…
Sztechman D, Zera T, Czarzasta K et al. · 2025 · Physiological reports
In the present study, we aimed at elucidating whether exposure to chronic stress affects the expression of cardiac mineralocorticoid receptors (MRs), whether it influences cardiac structure and function, and whether MRs blockade attenuates…
Xuhua H, Bakpa EK, Yeboah JA · 2026 · Preprint
This paper examines the dynamic relationship between innovation, total factor productivity (TFP), and economic growth in Ghana using annual data for the period 1965–2021. Although Ghana has recorded relatively strong economic growth,…
Ormancı N, Bölükbaş B, Waqas M et al. · 2026 · Biological trace element research
This study evaluated the metabolic and mineral profiles in the blood serum of Simmental dairy cows during the transition period to assess their energy, protein, and mineral status. A total of 78 cows from 10 farms in Samsun Province were…
Osipovė K, Maldonytė L, Lukšys D et al. · 2026 · Journal of clinical medicine
Background : The bond strength of orthodontic tubes to the enamel surface is essential for maintaining appliance stability, especially due to high masticatory forces on molars. Strong adhesion reduces the need for rebonding, shortening…
Zuiderwijk M, Groene S, Lopriore E et al. · 2026 · Clinical and experimental pediatrics
Background Neonates born small for gestational age (SGA) are at an increased risk of multiple severe complications, including infections. This suggests that immune cells and other peripheral blood cells may be affected. Purpose Here we…
Şengüllendi MF · 2026 · Journal of health organization and management
Purpose In recent years, the migration of healthcare professionals from developing countries to developed countries has accelerated. Türkiye is one of the countries negatively affected by the migration of healthcare professionals. This…
Williams AE, Denaro K · 2026 · CBE life sciences education
Students often choose to study for exams with friends. Since active learning in class boosts success, instructors might expect studying with peers to also help. However, research offers little support for this. We investigated whether…
Cura ŞÜ, Atay S, Çimen Işık M et al. · 2026 · BMC nursing
Background Artificial İntelligence (AI)-assisted applications are becoming widespread in nursing practice and are creating a significant transformation in care processes. While this transformation may influence nurses' perceptions of…
Gil-Ocana E, Garcia-Bernabeu A, De Pedraza P · 2026 · Preprint
Abstract Monitoring of support schemes for small and medium-sized enterprises is essential to assess policy effectiveness and the efficient use of public resources. This paper evaluates the causal impact of investment subsidies on SME…
Yan Z, Ma X, Mi S et al. · 2026 · BMC psychiatry
Attentional bias is a significant factor in the onset and persistence of obsessive-compulsive symptoms in individuals with obsessive-compulsive disorder (OCD). However, the determinants of attentional bias in OCD remain inadequately…
Tietenberg J, Furtges T, Masuch M · 2026 · IEEE transactions on visualization and computer graphics
Social virtual reality (VR) applications enable users to experience highly immersive mediated interactions and social experiences. Especially embodied nonverbal communication, like mediated social touch, is mostly unique to social VR and…
Zhu X, Zhang X, Xiang J et al. · 2026 · Steroids
Objective To integrate observational and bidirectional Mendelian randomization (MR) analyses to assess the bidirectional causal pathways between total testosterone levels and sleep traits (sleep duration and insufficient sleep) in males…
Santos S, Palma-Moreira A, Dias I · 2025 · Preprint
This study aimed to examine the effect of public policies on talent retention in the Portuguese Public Administration and whether the participants' managerial status moderates this relationship. A total of 282 individuals, active workers…
Satuluru S, Brower D, Mehta V et al. · 2026 · The American journal of the medical sciences
Background Sleep apnea (SA), a common diagnosis, has been shown to exhibit increased prevalence in patients with end-stage renal disease (ESRD). There is no clear consensus on the impact of SA on renal transplant outcomes. Methods We…
Lin Z, Chen Y, Feng J et al. · 2026 · Acta psychologica
Objective To examine whether peer victimization and social support sequentially mediate the relationship between motor competence and internalizing problems in a sample of school-aged children from urban Zhejiang, China. Methods A…
Abdallah N, Baylan M, Kursun K et al. · 2026 · Journal of thermal biology
This study investigated the effect of prewarming (PD) and thermal manipulation (TM) of long-stored eggs on embryonic development, hatching traits, body weight (BW), rectal temperature (RT), carcass, and organ traits in broilers at 3 days…
Jump IP, Hsu HS, Roberts MD et al. · 2026 · Journal of strength and conditioning research
Abstract Jump, IP, Hsu, H-S, Roberts, MD, and Oliver, GD. The effect of habitual caffeine use on strength, power, and muscular endurance performance in collegiate athletes. J Strength Cond Res XX(X): 000-000, 2026-Caffeine has been shown…
Erdur TL, Erdur A, Acunaş BA · 2026 · BMC pediatrics
Background Preterm birth is the leading cause of neonatal mortality and morbidity worldwide. Very preterm neonates born between 23 + 0 and 31 + 6 weeks of gestational age are at particularly high risk due to complications requiring…
Can MB, Kara A, Adigüzel MC et al. · 2026 · British poultry science
1. Following the ban on prophylactic antibiotic use in feed for poultry, interest in natural alternatives has increased, particularly plant-derived extracts. In this study, the effects of Aronia melanocarpa fruit extract (AMF) on growth…