Does the wavefunction exist?

Quantum experiments support the wavefunction as a powerful mathematical state description, while its physical reality remains interpretation-dependent.

Dark energy and accelerated expansion

Accelerated cosmic expansion is securely measured, but the physical cause remains unknown and current data still favor ΛCDM overall.

Can urolithin A increase human longevity?

Cell, mechanistic, and animal findings support biological plausibility, but human lifespan extension has not been demonstrated in randomized trials.

Ethical implications of AI in clinical decisions

Evidence highlights risks involving accountability, privacy, bias, model drift, and explanations that may not faithfully represent model sensitivity.

Microbiome effects on stressed Drosophila gene expression

Controlled fly studies indicate that gut microbes reshape circadian transcriptional amplitude and stability, although simplified laboratory microbiomes limit generality.

Spatially selective competition and invasion control

Ecological evidence supports localized resource use as a possible way to suppress invaders while reducing collateral loss of resident diversity, pending direct tests.

Extremophile biology and physical adaptation

Research links extremophile survival to macromolecular stability and energy conservation, while motif-based genomic signals remain largely correlational.

Co-registering mitochondrial ATP and Ca²⁺ microdomains

Because mitochondrial Ca²⁺ uptake is delayed and heterogeneous, same-organelle, same-time measurements are needed to separate ATP effects from hidden Ca²⁺ confounding.

Host–microbiome metabolism of a plant toxin in bees

Multimodal bee and bacterial assays strongly support microbial clearance of prunasin, while final hydrogen-cyanide production and host enzyme mapping remain incomplete.

Starship transposons and fungal virulence evolution

Comparative genomics and NLP6 deletion support a role for Starship regions in genome plasticity and one effector phenotype, but broad causality remains inference-heavy.

Genetic basis of the quinoa metabolome

Large multi-tissue mGWAS and targeted validations identify plausible biosynthetic genes, while drought network links remain mainly correlational.

Quality-factor screening of biological oscillators

The screening framework offers a useful necessary-condition test for frequency carriers, but proxy coherence times and incomplete measurements limit biological conclusions.

Visual deprivation and intrinsic plasticity

Rodent cortical experiments support deprivation-related failure of L5 intrinsic plasticity involving Kv2.1 and endocytosis, with cell-layer and species limits.

Alzheimer’s risk genes in Drosophila

Broad fly phenotyping reveals structure, function, and stress-resilience modules, but translation to human Alzheimer’s mechanisms remains uncertain in the preprint evidence.

Heterochronic gene expression and developmental divergence

Time-course RNA sequencing supports heteromorphic and heterochronic expression shifts, while cis/trans assignments are limited by hybrid misexpression and statistical power.

Orthohantavirus evolution in South Korea

Longitudinal complete-genome surveillance supports segment-specific reassortment and a regional contact zone, but ecological causes and fitness effects remain unresolved.

NF-κB regulation at accessible and inaccessible chromatin

Cross-species chromatin mapping and CCL2 perturbations support conserved NF-κB binding modes, while genome-wide causality beyond tested loci remains uncertain.

Molecular organization of the primate dorsal cochlear nucleus

Rhesus microscopy supports conserved excitatory parallel-fiber synaptic components, but small samples and absent physiological assays limit functional interpretation.

Kleptoplast retention in Elysia crispata

Donor algae and feeding frequency influence photosynthetic persistence during starvation, while molecular repair mechanisms remain directly unmeasured.

Ectomycorrhizal fungi, nitrogen, and Scots pine photosynthesis

Axenic experiments show biomass gains without consistent photosynthetic stimulation, while nitrogen and water mediation is supported mainly by correlations.

Phototoxic risks of an expanded genetic alphabet

Photophysical measurements and cell assays support singlet-oxygen generation and light-dependent growth inhibition, with ROS specificity limited by broad fluorescence probes.

Cross-packaging and propagation of lentiviral RNA

Engineered virion assays show that RNA packaging and productive propagation can separate across retroviral families, though natural co-infection risk remains untested.

Socially altered oxygen choice in naked mole-rats

Choice assays report social shifts in hypoxia preference, while the proposed energetic mechanism lacks simultaneous metabolic measurements.

Stage-resolved genetics of chicken egg production

GWAS and haplotype analyses identify stage-dependent CNNM2 associations with production variance, but variant-to-regulation causality is not established.

Urban evolutionary history and killifish oil tolerance

Common-garden exposure and embryo transcriptomics link population differences to AHR-related responses, while causal pathway perturbation remains needed.

Biofilm-driven arsenite oxidation in groundwater filters

Time-dependent kinetics and inhibitor responses support a shift toward biological oxidation, but sodium azide and manganese measurements do not uniquely prove mechanism.

Partial CD45 exclusion in T-cell signaling

Live-cell imaging supports partial CD45 exclusion at signaling contacts, while the causal optimum for antigen discrimination remains model-supported rather than directly perturbed.

Multiple evolutionary origins of Trypanosoma evansi

Microsatellite clustering supports at least two T. brucei-derived backgrounds in Kenyan T. evansi, with exact origins limited by marker number and sampling.

RNAquarium zebrafish transcriptome atlas

Archive-scale host and viral profiling enables prediction of virus-associated expression states, while batch effects and novel-virus calls require further validation.

SCNN1D evolution and sodium sensing

Repeated δ-ENaC pseudogenization in marine lineages is consistent with altered sodium sensing, but tissue-level protein and electrophysiological evidence is missing.

Tectonic triggers of the early Cambrian Sinsk event

Stratigraphic and tectonic timing supports a testable cascade hypothesis, but links from regional deformation to global extinction remain inferential.

Chromosomal rearrangements in Arctic codfishes

Genome assemblies and population signals associate inversions with adaptation-relevant regions, while functional effects and reference bias remain limitations.

Cortical GABA during human motor learning

7T MRS supports learning-specific GABA:tCr reduction and predictive early inhibition, but metabolite pools are indirect and temporally limited proxies.

Tree microhabitats and invertebrate food webs

Species-level sampling and stable isotopes reveal distinct microhabitat communities and niches, while seasonal replication and direct feeding observations remain limited.

Environmental drivers of Aedes aegypti abundance

Multi-year modeling links mosquito abundance to temperature and surface water in inland California, while trap placement and unmeasured water sources may confound associations.

Acoustic indicators of dolphin boating disturbance

Sardinian observations associate boat presence with higher whistle frequencies, but calibrated underwater sound and multi-site validation are still needed.

Methane-driven convection beneath submarine seeps

Analytical modeling predicts adsorption-driven osmotic flow could amplify methane release, but deep flow observations are needed to distinguish competing mechanisms.