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Science News for February 2, 2026


The environment shapes the organization of ant societies

Research reveals three major types of ant societies: small colonies with a single queen and diverse workers in tropical regions, large colonies with multiple queens and uniform workers in deserts, and temperate regions with polygynous and monomorphic colonies. Environmental conditions shape these social structures on a global scale.

SourceUniversity of Lausanne·JournalProceedings of the National Academy of Sciences·DateFeb 2, 2026

Quantifying physical performance and identifying knee injury risk factors in rugby players

A longitudinal study has identified key physical performance indicators that contribute to severe knee injuries in rugby players. The analysis found associations between direct contact injuries and greater severity and burden, as well as a high limb symmetry index for hip internal rotation strength and hip extension strength.

SourceUniversity of Tsukuba·JournalThe Journal of Physical Fitness and Sports Medicine·DateFeb 2, 2026

Nonlocal metasurfaces unlock efficient, steerable third‑harmonic light generation

Researchers have created a nonlinear metasurface that efficiently generates and steers visible light through controlled geometric phase. The device combines high-Q resonance enhancement with pixel-level control of the wavefront, enabling compact chip-based visible/UV sources and LiDAR beam steering.

HKUST pioneers computational models for transregional neural activity to re-establish damaged neural connectivity, offering new hope to patients

Researchers at HKUST have developed a novel reinforcement learning-based generative model to predict neural signals and create an artificial information pathway bypassing damaged brain areas. This breakthrough offers new possibilities for neural rehabilitation in patients with motor or cognitive impairments.

SourceHong Kong University of Science and Technology·JournalNature Computational Science·TypeExperimental study·DateFeb 2, 2026

Study shows strong evidence for effectiveness of metastasis-directed radiation therapy in prostate cancer

A meta-analysis of individual patients with oligometastatic prostate cancer shows that metastasis-directed radiation therapy (MDT) significantly improves patient outcomes, including delayed disease progression and better quality of life. The study included 574 men and found a median of 7.6 months before disease progression in the MDT a...

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalThe Lancet Oncology·TypeData/statistical analysis·DateFeb 2, 2026

Novel approach to a key biofuel production step captures an elusive energy source

Researchers at the University of Illinois have developed a novel approach to recover native lignin structure in plants, enabling higher yields of valuable materials with lower energy inputs. This breakthrough advances biofuel production by providing a key component for conversion to other valuable products.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalChemical Engineering Journal Advances·TypeExperimental study·DateFeb 2, 2026

NUS CDE researchers develop new AI approach that keeps long-term climate simulations stable and accurate

Researchers have developed a new AI-powered correction that addresses instability in hybrid climate models, allowing for reliable simulation of months or years-long processes. The CondensNet architecture learns from reference simulations to correct condensation errors, ensuring physically consistent results.

SourceNational University of Singapore College of Design and Engineering·JournalNature·TypeComputational simulation/modeling·DateFeb 2, 2026

Poverty intervention program in Bangladesh may reinforce gender gaps, study shows

A new study from the University of Illinois finds that a poverty intervention program in Bangladesh may reinforce gender gaps. The program, BRAC-TUP, provides families with livestock assets, technical training, and life-skills coaching, but its impact on education for girls is limited.

Banning lead in gas worked. The proof is in our hair

Researchers found a significant decrease in lead concentrations in hair samples from Utahns, spanning over 100 years. The study demonstrates the impact of environmental regulations on public health and highlights the importance of protecting against toxic metals like lead.

SourceUniversity of Utah·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateFeb 2, 2026

Optimizing robotic joints

Researchers at Harvard University have developed a new design method for optimizing rolling contact joints in robots, which can lead to better grippers, assistive devices, and more efficient robotic movement. The optimized joints performed spectacularly, correcting misalignment by 99% in knee-assist devices.

SourceHarvard John A. Paulson School of Engineering and Applied Sciences·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateFeb 2, 2026

New AI model can assist with early warning for coral bleaching risk

A new AI model can predict moderate heat stress on Florida reefs up to six weeks ahead of time. The model is accurate within one week and provides site-specific predictions, helping coral scientists and restoration practitioners with local reef management and emergency response planning.

SourceUniversity of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science·JournalEnvironmental Research Communications·TypeComputational simulation/modeling·DateFeb 2, 2026

Aging brains pile up damaged proteins

Researchers at Stanford University discovered that aging brains struggle with protein disposal, leading to the accumulation of damaged proteins in synaptic connections. This finding sheds light on the mechanisms behind neurodegenerative diseases and may lead to new insights into human brain aging.

SourceStanford University·JournalNature·TypeExperimental study·DateFeb 2, 2026

Highly selective asymmetric 1,6-addition of aliphatic Grignard reagents to α,β,γ,δ-unsaturated carbonyl compounds

Researchers achieve highly regio-, stereo-, and enantioselective 1,6-addition of aliphatic Grignard reagents to α,β,γ,δ-unsaturated carbonyl compounds using an iron catalyst with a chiral N-heterocyclic carbene ligand. The achievement offers new opportunities for drug discovery, materials chemistry, and fine-chemical synthesis.

SourceInstitute of Science Tokyo·JournalAngewandte Chemie International Edition·TypeExperimental study·DateFeb 2, 2026

February 2026 issues of APA Journals Feature new research on neuroplasticity, cannabis and alcohol use interactions, trends in outpatient psychotherapy and more

The latest APA Journal issues explore the intersection of neuroplasticity and substance use, as well as emerging trends in outpatient psychotherapy. The American Psychiatric Association's flagship journals offer insightful research on mental health topics.

SourceAmerican Psychiatric Association·JournalAmerican Journal of Psychiatry·DateFeb 2, 2026

Why we sleep poorly in new environments: A brain circuit that keeps animals awake

Scientists at Nagoya University identified a brain circuit that keeps mice awake in unfamiliar environments, releasing neurotensin to maintain wakefulness and protect against potential dangers. This discovery may explain the 'first night effect' in humans, where the brain remains vigilant on the first night in a new place.

SourceNagoya University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateFeb 2, 2026

Bigger is not always better: Smaller leaves optimize light use in soybeans

Researchers found that narrower soybean leaves can improve how efficiently plants use available light. By altering leaf shape through a single gene, they reduced total leaf area by 13% without affecting yield, resulting in more efficient sunlight conversion into seed.

An open source breakthrough in hemodynamics

Researchers have developed an open-source pressure myography tool, HemoLens, which reduces the cost of vascular research to $750 from $40,000. The tool uses affordable manufacturing processes and customizable components, making it easier for researchers to study vascular function.

SourceUniversity of Pittsburgh·JournalDevice·TypeExperimental study·DateFeb 2, 2026

Climate-related depressive symptoms may be alleviated through action and hope – hope in society’s capacity to act also plays a part

Individuals who combine climate worry with actions such as volunteering, following a plant-based diet, or avoiding air travel experience fewer depressive and anxiety symptoms. Climate hope in society's ability to mitigate climate change also correlates with reduced mental health issues.

SourceUniversity of Eastern Finland·JournalJournal of Environmental Psychology·DateFeb 2, 2026

Lab-grown algae removes microplastics from water

Researchers have developed special algae that can remove and reuse harmful microplastics from wastewater, cleaning the water as it grows. The engineered algae produces a volatile natural oil called limonene, making it water-repellent and attracting microplastics, which can then be collected and reused to create bioplastic products.

SourceUniversity of Missouri-Columbia·JournalNature·TypeExperimental study·DateFeb 2, 2026

A systematic review organises available omics data on pituitary tumours

A recent systematic review has compiled and catalogued publicly available omics data on pituitary tumours, highlighting the need for standardisation and clinical annotation. The resulting catalogue facilitates the reuse of data for future research projects and precision medicine initiatives.

SourceGermans Trias i Pujol Research Institute·JournalMachine Learning and Knowledge Extraction·TypeSystematic review·DateFeb 2, 2026

Pediatric Investigation study reports significant shifts in post-COVID respiratory infection trends in children

A recent study found significant changes in post-COVID respiratory infections among children, with Mycoplasma pneumoniae experiencing a surge after restrictions were lifted. The study also revealed strong interactions between pathogens, including negative correlations and pathogen interference.

SourcePediatric Investigation·JournalPediatric Investigation·TypeObservational study·DateFeb 2, 2026

MET signaling’s protective role shows promise for treating acetaminophen-induced acute liver failure

A new study found that MET signaling plays a critical protective role in acetaminophen-induced acute liver failure by reducing liver damage and accelerating regeneration. The findings suggest targeting MET signaling could become a game-changer for treating drug-induced ALF, potentially reducing the need for emergency liver transplants.

SourceElsevier·JournalAmerican Journal Of Pathology·TypeExperimental study·DateFeb 2, 2026

Psychological therapies for children who speak English as an additional language can become “lost in translation”, study warns

A study warns that current school-based mental health support for children from multilingual backgrounds can be less effective and inaccessible due to linguistic and cultural challenges. The researchers found that conversations were often 'lost in translation,' leading to reduced parental engagement and attendance.

SourceUniversity of Exeter·JournalFrontiers in Education·TypeObservational study·DateFeb 2, 2026

Chinese Neurosurgical Journal study probes how skull implant design may shape surgical outcomes

A retrospective analysis of 94 adult patients who underwent PEEK cranioplasty found that surface architecture may influence postoperative healing, with smooth implants associated with higher rates of wound complications and infections. Perforated implants showed lower rates of major fluid collections, especially in trauma patients.

SourceChinese Neurosurgical Journal·JournalChinese Neurosurgical Journal·TypeObservational study·DateFeb 2, 2026

Study: New class of catalysts could dramatically change playing field in nickel catalysis

Researchers at the University of Illinois Urbana-Champaign have developed a new method for synthesizing thermally stable Ni(I) compounds that opens new avenues for building complex molecules. The new catalysts exhibit rapid ligand substitution, exceptional performance in key reactions, and chemo-selectivity.

Revenues from drugs subject to price reduction under Inflation Reduction Act are not essential for R&D or normal returns on investment

Research from Bentley University's Center for Integration of Science and Industry shows public companies with price negotiable drugs under IRA were more profitable than comparable companies in the S&P500. The study also found that revenues from these drugs exceeded normal returns on investment before price negotiations began.

SourceBentley University·JournalDrug Discovery Today·TypeObservational study·DateFeb 2, 2026

New study identifies key predictors of PFAS levels in US career firefighters

A new study published in the Journal of Occupational and Environmental Medicine has identified clear occupational factors and demographic indicators associated with elevated serum levels of per- and polyfluoroalkyl substances among US career firefighters. The research provides vital insights into the factors that influence PFAS body bu...

SourceUniversity of Arizona·JournalJournal of Occupational and Environmental Medicine·DateFeb 2, 2026

From chemical curiosity to key piece in cancer research

Scientists at Umeå University found that i-DNA forms in living cells and acts as a regulatory bottleneck linked to cancer. The protein PCBP1 controls its resolution, which can block replication and increase DNA damage risk if not done properly. This discovery opens new avenues for drug development by targeting i-DNA handling.

Machine learning automates microfluidic chip design

Researchers developed a machine learning-assisted design tool, μFluidicGenius, to automate microfluidic chip design. The tool enables nonexpert users to rapidly design microfluidic circuits with optimal flow conditions, using a hybrid approach combining machine learning models with mathematical fluid mechanics calculations.

SourceKoç University·JournalScience Advances·TypeExperimental study·DateFeb 2, 2026

Everyday movements are more beneficial for osteoarthritis patients than handgrip strength

Research from the University of Sharjah reveals that everyday physical activities, such as walking and climbing stairs, are more beneficial for osteoarthritis patients than handgrip strength. These routine actions are powerful indicators of how older adults perceive their independence and enjoyment of life.

SourceUniversity of Sharjah·JournalEuropean Journal of Applied Physiology·TypeSurvey·DateFeb 2, 2026

The earliest known bird had complex tongue bones and fleshy “teeth” on the roof of its mouth—which might have helped it snag the food it needed for flight

The earliest known bird, Archaeopteryx, had unique mouth features such as oral papillae, tongue bones, and bill-tip organs. These structures suggest that early birds evolved specialized ways to find and digest food efficiently, which is key to flight. The discovery provides new criteria for identifying dinosaur fossils as birds.

SourceField Museum·JournalThe Innovation·DateFeb 2, 2026

New study identifies warning signs for extreme flash flooding

Researchers at Newcastle University and the UK Met Office identified a three-layered atmospheric structure associated with heavy rainfall developing within minutes. The findings help explain record-breaking rainfall and flash floods in the UAE and Oman in April 2024, and may aid future improvements in identifying risk.

SourceNewcastle University·JournalWeather and Climate Extremes·TypeComputational simulation/modeling·DateFeb 2, 2026

Detecting early-stage cancers with a new blood test measuring epigenetic instability

Researchers at Johns Hopkins Kimmel Cancer Center have developed a novel liquid biopsy approach to identify early-stage cancers by measuring DNA methylation patterns. The Epigenetic Instability Index (EII) successfully distinguished patients with early-stage lung and breast cancers from healthy individuals, showing promise in detecting...

SourceJohns Hopkins Medicine·JournalClinical Cancer Research·DateFeb 2, 2026

Why visceral pain makes us more empathetic

A study at Ruhr-University Bochum found that visceral pain induces stronger cognitive and empathic responses than somatic pain. Participants rated visceral pain as more intense and unpleasant, feeling more empathic concern for themselves and their loved ones.

SourceRuhr-University Bochum·JournalJournal of Pain·TypeExperimental study·DateFeb 2, 2026

Generative AI applications use among us youth

A cross-sectional study found that up to half of adolescents in the US were using generative AI apps, while a small subset engaged in heavy use. The study highlights the need for future research on individual differences in GenAI use and its impacts on adolescent development.

SourceJAMA Network·JournalJAMA Network Open·DateFeb 2, 2026

More Ontarians are being diagnosed with psychosis than those born in earlier decades

A new study found a significant increase in psychotic disorders among Ontarians born after 1980, with incidence rates rising by 60% for those aged 14-20. The study suggests that recent birth cohorts may be experiencing increased exposure to risk factors such as early life substance use and older-aged parents.

SourceInstitute for Clinical Evaluative Sciences·JournalCanadian Medical Association Journal·TypeObservational study·DateFeb 2, 2026

CHEST® Critical Care added to Web of Science Emerging Sources Citation Index

The American College of Chest Physicians' CHEST Critical Care journal has been added to the Web of Science Core Collection through the Emerging Sources Citation Index. This indexing marks a significant milestone for the journal, increasing access to high-quality research and supporting its commitment to advancing critical care medicine.

SourceAmerican College of Chest Physicians·JournalCHEST Critical Care·DateFeb 2, 2026

Dynamic tuning of Bloch modes in anisotropic phonon polaritonic crystals

Researchers have created a hybrid polaritonic crystal that enables dynamic tuning of Bloch modes by combining low-loss α-MoO3 with electrically tunable graphene. The material exhibits electrical control over its band structure, allowing for selective enhancement of Bloch mode resonance and on-demand switching of far-field radiation.

Wetlands do not need to be flooded to provide the greatest climate benefit

A new study from the University of Copenhagen suggests that flooding low-lying areas in wetlands may not be the most effective way to mitigate climate change. Instead, maintaining a stable water table below ground level can help reduce methane emissions and promote CO2 sequestration, according to researchers led by Professor Bo Elberling.

SourceUniversity of Copenhagen·JournalCommunications Earth & Environment·DateFeb 2, 2026

Bat virome evolution in Indochina Peninsula reveals cross-species origins of porcine epidemic diarrhea virus and regional surveillance gaps

A study analyzing bat samples from the Indochina Peninsula identified 137 viral strains across 27 families, including novel species, with Rhinolophidae bats exhibiting high viral diversity. PEDV-related viruses were found in Cambodian bats, further supporting their potential evolutionary source.

SourceTsinghua University Press·JournalhLife·DateFeb 2, 2026

Scientists unravel vines’ parasitic nature

Researchers identify XTH5 candidate gene and brassinosteroid hormone's role in vine growth and movement. The study sheds light on the molecular mechanisms behind vines' ability to search for and attach to host plants, blocking sunlight and nutrients.

SourceNew York University·JournalNew Phytologist·TypeExperimental study·DateFeb 2, 2026

Reshaping gold leads to new electronic and optical properties

By changing the physical structure of gold, researchers can drastically change its interaction with light, leading to enhanced electronic behavior and improved absorption of light energy. This study demonstrates the potential of nanoporous gold as a new design parameter for engineering materials in advanced technologies.

SourceUmea University·JournalNature Communications·TypeExperimental study·DateFeb 2, 2026

Unexpected feedback in the climate system

Researchers found a surprising correlation between West Antarctic Ice Sheet retreat and marine algae growth over the past 500,000 years. The study suggests that global warming may lead to reduced CO2 uptake if the ice sheet continues to shrink.

SourceUniversity of Oldenburg·JournalNature Geoscience·TypeObservational study·DateFeb 2, 2026

Tracker to help manage Long COVID energy levels created by researchers

A team of researchers at Lancaster University has created a digital platform called 'Pace Me' to help people with Long COVID manage their energy levels. The study, published in Nature Communications, found that the intervention was safe and well-received, but did not outperform standard care in reducing symptoms.

SourceLancaster University·JournalNature Communications·TypeRandomized controlled/clinical trial·DateFeb 2, 2026

Psychosis rates increasing in more recent generations

A large study of over 12 million people in Ontario found that psychosis rates are increasing in more recent generations, with higher rates among younger individuals. The study suggests that factors such as substance use, socioeconomic stress, and negative childhood experiences may contribute to these rising trends.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·TypeObservational study·DateFeb 2, 2026