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Science News Archive January 2026 - Page 15


Page 15 of 47

Research Article | Evaluation of ten satellite-based and reanalysis precipitation datasets on a daily basis for Czechia (2001–2021)

A new study evaluates the accuracy of ten satellite-based and reanalysis precipitation datasets using in-situ rain gauge measurements across Czechia from 2001 to 2021. The GSMaP dataset showed superior performance for rainy days, while ERA5-Land overestimated annual precipitation by 15–35%.

SourceBig Earth Data·JournalBig Earth Data·TypeData/statistical analysis·DateJan 23, 2026

Ion accumulation in liquid–liquid phase separation regulates biomolecule localization

A new study reveals that positively charged ions accumulate in one phase, reducing electrostatic repulsion and allowing negatively charged biomolecules to localize within droplets. This mechanism explains the preferential partitioning of molecules in liquid–liquid phase separation.

Combined aerobic-resistance exercise: Dual efficacy and efficiency for hepatic steatosis

Researchers have found a nonlinear dose-response relationship between exercise and hepatic steatosis, indicating that a combination of aerobic and resistance exercises can produce clinically meaningful improvements. The study suggests that exercising above 130 MET-min/week can lead to significant reductions in hepatic steatosis.

SourceJournal of Sport and Health Science·JournalJournal of Sport and Health Science·TypeSystematic review·DateJan 23, 2026

UNM researchers analyze moon record, challenging Earth’s water origins

A new study suggests that the Moon's surface record sets a hard limit on the possibility of late meteorite delivery being the dominant source of Earth's oceans. The researchers analyzed oxygen isotopes in lunar regolith samples, finding that even generous assumptions about impactor flux would only supply a small fraction of Earth's water.

SourceUniversity of New Mexico·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateJan 22, 2026

Study finds fisheries management—not predator recovery—drives catch levels in the North Sea

Research led by University of Miami researchers shows that effective fisheries management can coexist with predator recovery, contradicting previous assumptions. The study found that fishing effort, not predator recovery, drives fishery yields in the North Sea.

SourceUniversity of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science·JournalCanadian Journal of Fisheries and Aquatic Sciences·TypeSurvey·DateJan 22, 2026

Hidden symmetries enable efficient quantum state transfer

Physicists report the first experimental observation of quantum state transfer enabled by hidden symmetries in a network of laser-written optical waveguides. This discovery dramatically expands the design space for quantum circuits, opening the gates towards new classes of networks for secure quantum communication and cryptography.

Breakthrough in development of reliable satellite-based positioning for dense urban areas

Researchers have developed a GNSS-only method that consistently outperforms existing methods in dense urban areas, enabling safer and more reliable autonomous navigation. The approach uses a probabilistic framework to estimate position without relying on carrier-phase integer ambiguity resolution.

SourceMeijo University·JournalIEEE Robotics and Automation Letters·TypeComputational simulation/modeling·DateJan 22, 2026

How molecules move in extreme water environments depends on their shape

Researchers used molecular dynamics simulations to study how organic molecules move with supercritical water inside carbon nanotubes. Aromatic compounds significantly slowed down their own motion and surrounding water, while alkanes moved relatively freely. Temperature played a key role in overcoming transport limitations.

Desperate race to resurrect newly-named zombie tree

A recently identified tree species in Australia, Rhodamnia zombi, is facing extinction due to myrtle rust, a fungal disease that attacks and kills its young shoots. Researchers are working on finding clean cuttings and propagating them to grow resistant seedlings, which may hold the key to resurrecting the 'zombie' tree.

SourceUniversity of Queensland·JournalAustral Ecology·DateJan 22, 2026

UH study highlights need for conservative approach to unexplained unintentional weight loss evaluation

A recent study from University Hospitals Cleveland Medical Center found that diagnostic abnormalities were no more likely to occur among adults with unintentional weight loss than among comparison patients. In most cases, the weight loss was not linked to a serious underlying condition, with only a .7% overall rate of cancer.

Drexel study finds early intervention helps most autistic children acquire spoken language

A recent study led by researchers at Drexel University's Autism Institute found that early intervention is key to helping most non-speaking autistic children develop spoken language. The study suggests that duration of the intervention rather than intensity may be more effective in achieving outcomes for these children.

SourceDrexel University·JournalJournal of Clinical Child & Adolescent Psychology·TypeSystematic review·DateJan 22, 2026

UMass Amherst researchers identify top risk factors for pedestrian-vehicle crashes at Massachusetts bus stops

Researchers used machine learning to evaluate 1,773 bus stops across Massachusetts, identifying 13 crash-relevant characteristics and proposing countermeasures. The study found that bus stop types in mixed-use arterial corridors and dense urban cores have the highest prevalence of crashes.

SourceUniversity of Massachusetts Amherst·JournalData Science for Transportation·TypeData/statistical analysis·DateJan 22, 2026

UC Irvine and Jefferson Health researchers find differences between two causes of heart valve narrowing

Researchers found structural and functional differences between mitral annular calcification and rheumatic mitral stenosis, which may lead to inaccurate diagnoses and treatment. The study suggests using disease-specific diagnostic criteria and management guidelines for patients with MAC-related stenosis.

SourceUniversity of California - Irvine·JournalJournal of the American Heart Association·DateJan 22, 2026

Patient recruitment begins for major real-world digital weight management study

The W8Buddy study, a major real-world evaluation of digitally delivered specialist weight management pathways, is recruiting 450 participants from 4 Specialist Weight Management Services across England and Wales. The study aims to assess the long-term health benefits and economic impact of digital tools for obesity care.

SourceUniversity of Warwick·JournalBMJ Open·TypeRandomized controlled/clinical trial·DateJan 22, 2026

For immediate release: High BMI could increase dementia risk, study finds

A new study found that high body mass index (BMI) increases the risk of vascular-related dementia. The researchers believe treating or preventing high blood pressure may help reduce this risk. Early weight-loss interventions could potentially prevent dementia, especially vascular-related dementia.

SourceUniversity of Bristol·JournalThe Journal of Clinical Endocrinology & Metabolism·TypeObservational study·DateJan 22, 2026

Mount Sinai review maps the path forward for cancer vaccines, highlighting promise of personalized and combination approaches

Researchers at Mount Sinai detail how decades of cancer vaccine research have converged into more precise and effective immunotherapies. Decades-long clinical trials show personalized neoantigen vaccines are safe and capable of generating robust immune responses across various cancers.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalCell Reports Medicine·TypeSystematic review·DateJan 22, 2026