Health & Medicine Moderate evidence
Extra MRI did not improve Long COVID fatigue in a large care-pathway trial
Fatigue improved across all groups receiving specialist care, but adding multi-organ MRI produced no measurable advantage at 12 weeks.
Research database
Find the study. Inspect the evidence.
Every record connects the headline to the primary research, subject, design, evidence reason, limitations and related science.
52 matching research records
Duplicate protection: DOI and title are unique in this library.Health & Medicine Moderate evidence
Survodutide reduced weight more than placebo in a 76-week obesity trial
The drug produced double-digit average weight loss, while gastrointestinal side effects were frequent and discontinuation matters.
Health & Medicine Moderate evidence
Pulsed-field ablation beat antiarrhythmic drugs as initial therapy in persistent AF
Rhythm-control success was higher at one year, but the device procedure still carried risks and industry funding deserves attention.
Health & Medicine Moderate evidence
Atrial-appendage closure matched anticoagulants on a composite outcome in one trial
The device was noninferior for cardiovascular death, stroke or embolism and reduced non-procedural bleeding over three years.
Health & Medicine Moderate evidence
Intensive physician role-play training improved six-month diabetes control
Patients of trained physicians reached HbA1c targets more often, but the intervention tested implementation—not a new diabetes treatment.
Health & Medicine Moderate evidence
Automated oxygen titration kept hospitalized adults in the target range longer
The system improved oxygen-range control compared with usual care; clinical outcomes and safe implementation still need evaluation.
Health & Medicine Moderate evidence
Two common anesthesia strategies produced nearly identical days at home after surgery
Intravenous anesthesia did not improve the primary recovery outcome, though some next-day discomforts were less frequent.
Health & Medicine Preliminary evidence
A selective sodium-channel blocker reduced pain after abdominoplasty in phase 2
LTG-001 targets peripheral pain signaling without being an opioid, but comparative effectiveness and broader safety remain unsettled.
Health & Medicine Moderate evidence
Better measured fitness tracked with lower mortality in older adults
Balance, agility, lower-body strength and cardiorespiratory fitness were associated with survival, but the observational design cannot prove that testing or training caused it.
Brain & Mind Preclinical research
Brain organoids preserved molecular signatures of their age for years
Long-lived human organoids followed reproducible developmental timing, offering a model—not a complete miniature brain.
Space & Astronomy Strong evidence
Euclid found 31 exceptionally early quasars—including two new record holders
The objects were already blazing when the universe was about 670 million years old, sharpening the puzzle of early black-hole growth.
Space & Astronomy Preliminary evidence
JWST observations point to a black hole wrapped in dense gas at cosmic dawn
An unusual source 660 million years after the Big Bang fits a proposed rapid-growth configuration, but the interpretation is model-based.
Life & Nature Moderate evidence
Butterfly ranges are shifting globally in patterns linked to climate
A broad synthesis found extensive redistribution, but species responses vary and observation coverage remains uneven.
Archaeology & Human Origins Moderate evidence
An ancient plague genome links a rapid trans-Eurasian spread about 5,300 years ago
Genomes from screened human remains place East Asia within an early plague radiation spanning more than 7,500 kilometers.
Technology & Engineering Moderate evidence
A deep knowledge-graph system synthesized biomedical evidence across linked sources
The framework improved benchmark research tasks, but automated synthesis still requires source checking and domain experts.
Earth & Climate Hypothesis / modeling
Models project a threefold rise in simultaneous air and river heatwaves
Compound heat can stress people and aquatic ecosystems together, but the scale depends on emissions and impact-model assumptions.
Physics & Chemistry Moderate evidence
A moving laser focus kept electrons accelerating for longer
The experiment addressed dephasing in plasma accelerators, a key step toward compact high-energy electron sources.
Health & Medicine Hypothesis / modeling
CDC assessment found the immediate U.S. risk from the Bundibugyo Ebola outbreak was low
A federal risk assessment combined outbreak reports, travel patterns and response capacity to judge the near-term likelihood of U.S. importation and spread.
Health & Medicine Hypothesis / modeling
Modeled Ebola scenarios show how early response can change outbreak size
CDC researchers compared plausible transmission and intervention scenarios to estimate how timing and control strength could affect an Ebola outbreak.
Health & Medicine Preclinical research
A targeted immune strategy reduced transplant rejection signals in preclinical tests
NIH-highlighted research tested a way to quiet immune cells involved in organ rejection while trying to preserve broader immune function.
Health & Medicine Moderate evidence
Wear and tear changed measurable PFAS levels in firefighter hoods and gloves
NIST testing found that use-related wear can alter how fluorinated chemicals are measured in protective gear, complicating exposure and replacement decisions.
Brain & Mind Preliminary evidence
A cerebrospinal-fluid signal points to a possible route for schizophrenia cognitive symptoms
Northwestern researchers paired patient samples with a mouse model to identify a biomarker and test a drug candidate for cognitive impairment.
Health & Medicine Preclinical research
Stress-linked changes in gut viruses may help tumors evade immune attack
A Cornell-led study connected stress, bacteriophages in the gut and weaker antitumor immunity in experimental systems.
Brain & Mind Moderate evidence
Bone-marrow immune cells were found crossing into the aging human brain
NIH-highlighted research identified peripheral immune cells inside aging brain tissue, suggesting the blood-brain barrier becomes more permissive over time.
Brain & Mind Preliminary evidence
Brain immune activity may undergo a major shift in midlife
An NIH release describes postmortem hippocampal evidence from 40 healthy adults showing age-linked changes in immune-cell states.
Space & Astronomy Preliminary evidence
Curiosity found a field of honeycomb-like textures on Mars
NASA rover observations revealed a broad polygonal pattern whose geometry could preserve clues about ancient fluids and rock alteration.
Space & Astronomy Moderate evidence
Hubble detected a wake associated with Betelgeuse’s elusive companion
Ultraviolet observations revealed a trail through the red supergiant’s extended atmosphere, offering indirect evidence for a close companion.
Space & Astronomy Preliminary evidence
Webb found chemical clues to comet 3I/ATLAS’s distant origin
Infrared spectra of the interstellar comet revealed a volatile composition that can be compared with material formed around other stars.
Space & Astronomy Moderate evidence
Hubble observations indicate a comet reversed its spin direction
Archival data suggest outgassing torques slowed comet 41P and then pushed its rotation through a stop into the opposite direction.
Space & Astronomy Moderate evidence
Lucy revealed a wobbling, peanut-shaped asteroid
Spacecraft imaging of Donaldjohanson showed a contact-binary shape and non-simple rotation that record a complicated collision history.
Space & Astronomy Preliminary evidence
Hubble examined Cloud-9, a candidate starless galaxy
The compact hydrogen cloud appears dominated by dark matter yet contains no detected stars, potentially representing a long-predicted type of object.
Space & Astronomy Preliminary evidence
TESS found a super-Jupiter through subtle timing ripples
Astronomers used small variations in a stellar companion’s timing signal to infer a planet in a configuration difficult to find with standard transit searches.
Technology & Engineering Moderate evidence
NIST photonic-chip packaging withstood extreme environmental tests
A new packaging approach aims to protect sensitive light-based circuits from temperature, vibration and other conditions outside the laboratory.
Technology & Engineering Moderate evidence
Laser stirring mixed metal powders more evenly during 3D printing
NIST researchers used controlled laser motion to redistribute ingredients in a molten pool and improve the uniformity of printed alloys.
Physics & Chemistry Moderate evidence
A NIST experiment weighed in on the gravitational constant
Researchers used a precision apparatus and detailed uncertainty analysis to make a new measurement of big G, one of physics’ hardest constants to pin down.
Technology & Engineering Moderate evidence
Tiny photonic circuits generated laser light across a wide choice of wavelengths
A NIST platform uses nonlinear optics on a chip to produce colors that are difficult to reach with conventional compact lasers.
Technology & Engineering Hypothesis / modeling
A mathematical result challenges fixed safety guardrails for changing AI systems
NIST researchers argue that static constraints cannot guarantee desired behavior as an adaptive system and its environment continue to change.
Technology & Engineering Moderate evidence
Flexible DNA scaffolds produced more than 1,000 protein crystals
Northwestern researchers tested 28 DNA designs as adaptable frameworks for arranging proteins, potentially easing a stubborn structure-determination bottleneck.
Technology & Engineering Moderate evidence
A single-cell method maps DNA–protein contacts with added detail
Cornell researchers developed D&D-seq to measure where regulatory proteins interact with DNA in individual cells rather than population averages.
Brain & Mind Preclinical research
Printed neurons communicated with living mouse brain slices
A Northwestern platform placed laboratory-grown neurons in defined patterns and recorded functional connections with ex vivo brain tissue.
Earth & Climate Moderate evidence
Tiny stratospheric particles contribute more surface area than expected
NOAA-led measurements found particles smaller than 0.11 micrometers can provide up to 90% of available surface area, with implications for atmospheric chemistry.
Earth & Climate Moderate evidence
A DNA method detected red-tide algae down to a single cell
NOAA researchers developed a highly sensitive assay for Karenia brevis that could improve early warning before blooms become visually obvious.
Earth & Climate Moderate evidence
New evidence strengthens the link between Siberian volcanism and Earth’s largest mass extinction
Stanford-led geochemical work connected the timing and environmental consequences of volcanism more tightly to the end-Permian biological crisis.
Archaeology & Human Origins Hypothesis / modeling
A new method pinpointed DNA inherited from unidentified ‘ghost’ ancestors
Berkeley researchers developed a statistical approach to locate genomic segments contributed by ancient populations that have not been directly sampled.
Brain & Mind Preliminary evidence
Common immune cells produced a protein linked to schizophrenia risk
Stanford researchers found that neutrophils can produce C4A, adding a peripheral-immune source to a protein already implicated in brain development and schizophrenia.
Health & Medicine Moderate evidence
An Alzheimer’s blood test performed well in patients with cognitive symptoms
The result is promising for diagnosis—but it was not a general-population screening test, and accuracy is not the same as improved patient outcomes.
Brain & Mind Moderate evidence
Exercise reduced depression symptoms across many trials, but certainty varied
Walking or jogging, yoga, and strength training produced meaningful average effects. The evidence was broad, but study quality and blinding remained serious limitations.
Space & Astronomy Strong evidence
Pristine asteroid samples contain complex nitrogen-rich organic material
Bennu’s chemistry expands the inventory of compounds that formed before planets matured. It does not show that life existed on the asteroid.
Technology & Engineering Moderate evidence
An AI weather model beat a leading ensemble system on most tested targets
GenCast was faster and more skillful on a large benchmark. Operational forecasting still requires reliability, calibration, infrastructure, and human judgment.
Life & Nature Moderate evidence
Elephants appear to use individual-specific, name-like calls
Machine learning and playback experiments found evidence that calls can identify a receiver. “Name-like” is a careful analogy—not evidence of human-style language.
Archaeology & Human Origins Strong evidence
Ancient DNA reconstructed nine generations of Avar family networks
Genomes from hundreds of burials revealed patrilineal communities and social change. Genetics can map biological relationships, but not every part of identity or culture.
Physics & Chemistry Strong evidence
A quantum processor crossed an important error-correction threshold
Adding more physical qubits reduced logical errors—the behavior scalable quantum computers need. This was a milestone, not a useful general-purpose machine.