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Science News for January 21, 2026


Microneedle technology for overcoming biological barriers: Advancing biomacromolecular delivery and therapeutic applications in major diseases

Researchers explore microneedle technology as a novel delivery system for efficient and minimally invasive intradermal drug delivery. The review highlights the design of functional microneedles with specific structures to overcome biological barriers in various tissues, improving therapeutic outcomes.

SourceResearch·JournalResearch·TypeNews article·DateJan 21, 2026

Deciphering light transformation in chiral metasurface in real space and time by ultrafast electron microscopy

Researchers visualized how light is transformed inside a chiral metasurface in both real space and real-time, achieving nanometer spatial resolution and femtosecond temporal resolution. The team found that the asymmetric near fields are a genuine signature of the chiral geometry.

Advances in biosynthetic preparation and application of human milk oligosaccharides

Researchers have made progress in creating human milk oligosaccharides through bioengineering, enabling the industrial-scale production of complex HMOs. This allows infant formula to mimic human milk's compositional complexity, potentially offering benefits for gut microbiota development and immune protection.

SourceKeAi Communications Co., Ltd.·JournalGlycoscience & Therapy·TypeLiterature review·DateJan 21, 2026

Hope for smarter lung cancer care

A study from Flinders University found that patients with progressive disease, which describes the way cancer grows, have varying survival rates depending on whether their existing tumours re-grow or new ones appear. Understanding this progression can help doctors make better decisions about future treatment strategies.

SourceFlinders University·JournalCancer Letters·TypeMeta-analysis·DateJan 21, 2026

Drinking less could prevent cancer deaths: study

A new study published in British Journal of Cancer found that reducing annual alcohol consumption by one litre per person could lower mortality from several major cancers. The strongest impacts were seen in people aged 50 and older, with estimates suggesting a substantial reduction in cancer-related deaths without preventive action.

SourceLa Trobe University·JournalBritish Journal of Cancer·TypeMeta-analysis·DateJan 21, 2026

On-chip nonlocal metasurface for color router: Conquering efficiency-loss from spatial-multiplexing

Researchers have developed an on-chip nonlocal metasurface for color router, exploiting symmetry-broken quasi-bound states in the continuum to modulate light extraction intensity and spectral output. The approach achieves efficient, narrowband color routing while minimizing energy utilization efficiency loss from spatial multiplexing.

ŌURA and National University of Singapore open Joint Lab to advance research in personalized preventive health

The ŌURA–NUS Joint Lab combines wearable biometric data with sleep science expertise to study how sleep and physical activity shape long-term health outcomes. The lab aims to generate insights that help individuals, clinicians, and health systems shift from reactive care to proactive preventive health.

Stroke survivors miss critical treatment, face greater disability due to systemic transfer delays

A new study suggests that gaps in the nation's stroke transfer system reduce survivors' chances of receiving critical treatment and increase disability. Patients with longer delays in hospital transfer experienced worse disability after their stroke, highlighting missed opportunities for many stroke patients.

SourceMichigan Medicine - University of Michigan·JournalThe Lancet Neurology·TypeObservational study·DateJan 21, 2026

Light powered catalyst breakthrough rapidly strips hidden carcinogenic precursors from drinking water sources

Researchers have developed a recyclable photocatalyst that harnesses visible light to efficiently remove fulvic acid and other organic pollutants from water. The BiOCl MXene composite achieved removal rates of up to 98.43% for fulvic acid in just 30 minutes, with high durability and versatility.

Biochar’s promise under pressure: Study urges realistic, systems based path forward

A new study urges a realistic and systems-based path forward for biochar deployment, highlighting technical variability, policy gaps, and sustainability constraints. The authors argue that biochar can be a powerful tool when designed with its limits in mind, but only if viewed as critical infrastructure within a circular economy.

Natural ovulation as effective as hormones before IVF embryo transfer

A clinical trial found that natural ovulation before frozen embryo transfer is as effective as hormone treatment in achieving a healthy baby by IVF, with a lower risk of maternal complications. The study involved 4,376 ovulatory women and showed similar outcomes for birth weight and newborn complications.

SourceBMJ Group·JournalThe BMJ·TypeRandomized controlled/clinical trial·DateJan 21, 2026

Engineered biochar–clay “thermal sponge” turns waste wood into a green cooling battery for buildings

Researchers have developed a new composite material that stores and releases heat, reducing temperature swings in buildings. The engineered biochar-clay hybrid increased energy storage capacity by 223% and improved thermal conductivity, demonstrating potential for real-world applications.

SourceBiochar Editorial Office, Shenyang Agricultural University·JournalBiochar·TypeExperimental study·DateJan 21, 2026

Policies to screen doctors’ fitness seen lacking in fairness

A new study published in the New England Journal of Medicine found that many hospital screening policies for late-career physicians lack basic fairness protections. The authors recommend creating policies that balance patient safety with fair treatment of physicians, including clear standards and appeal processes.

SourceUniversity of Washington School of Medicine/UW Medicine·JournalNew England Journal of Medicine·TypeContent analysis·DateJan 21, 2026

Long term use of anti-acid drugs may not increase stomach cancer risk

Researchers found no association between long term use of proton pump inhibitors and increased risk of stomach cancer. The study, which analyzed data from five Nordic countries over 26 years, suggests that patients needing long term proton pump inhibitor therapy may not need to worry about a higher risk of stomach cancer.

SourceBMJ Group·JournalThe BMJ·TypeObservational study·DateJan 21, 2026

New critique prompts correction of high-profile Yellowstone aspen study, highlighting challenges in measuring ecosystem response to wolf reintroduction

A recent critique of a high-profile Yellowstone aspen study highlights the challenges in measuring ecosystem response to wolf reintroduction. The original study reported a 152-fold increase in young aspen density, but a formal correction has shifted the figure down to 17.5-fold.

SourceUtah State University·TypeObservational study·DateJan 21, 2026

US forests are locking in major carbon emissions

A new study found that US forests have stored more carbon in the past two decades than at any time in the last century. Natural forces such as temperature, precipitation, and carbon fertilization are among the largest contributors to carbon gains, while human drivers like tree-planting and forest management also play a role.

SourceOhio State University·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateJan 21, 2026

Scientists design molecules “backward” to speed up discovery

Researchers have developed a method called PropMolFlow that can generate molecular candidates roughly 10 times faster than existing methods while maintaining accuracy. The breakthrough could lead to faster creation of pharmaceuticals, materials, and new technologies by specifying properties first and then finding structures.

SourceNew York University·JournalNature Computational Science·TypeComputational simulation/modeling·DateJan 21, 2026

Breakthrough organic crystalline material repairs itself in extreme cold temperatures, unlocking new possibilities for space and deep-sea technologies

Researchers have discovered a new type of organic crystal that can repair itself after being damaged at extremely low temperatures. The material, which can function up to 150°C, has potential applications in outer space, deep-sea operations, and polar research due to its unique molecular structure.

SourceNew York University·JournalNature Materials·TypeObservational study·DateJan 21, 2026

LSU Health New Orleans researchers link obesity, estrogen use, and increased blood-clotting risk

Researchers found that obesity and estrogen-based medications synergistically increase thrombotic risk by suppressing Protein S levels. This study offers new insights for cancer care, highlighting the need to monitor and prevent blood clots in patients with obesity or estrogen use.

SourceLouisiana State University Health Sciences Center·JournalJournal of Clinical Investigation·TypeExperimental study·DateJan 21, 2026

Red light therapy shows promise for protecting football players’ brains

A preliminary study suggests that red light therapy can protect against brain inflammation caused by repetitive head impacts in collegiate football players. The treatment, which involves shining near-infrared light at the brain through the skull, appeared to be effective in reducing inflammation throughout almost all regions of the brain.

SourceUniversity of Utah Health·JournalJournal of Neurotrauma·TypeExperimental study·DateJan 21, 2026

Growing together, bacterium after bacterium

A study by University of Trento researchers found that babies share up to 20% of bacterial strains with peers in the same nursery, highlighting the importance of social interaction in shaping their developing gut microbiome. The study also discovered an increase in new strain acquisition after antibiotic treatment.

SourceUniversità di Trento·JournalNature·TypeMeta-analysis·DateJan 21, 2026

Chiral phonons create orbital current via their own magnetism

Chiral phonons can generate orbital currents in common crystal materials without needing magnetic elements, offering a promising path to developing less expensive and energy-efficient orbitronic devices. This breakthrough is made possible by the intrinsic magnetism of chiral phonons, which allows them to convert into orbital current.

SourceNorth Carolina State University·JournalNature Physics·TypeExperimental study·DateJan 21, 2026

When tropical oceans were oxygen oases

Research reveals that ancient tropical oceans had the highest oxygen concentrations during the Proterozoic Eon, driven by photosynthetic organisms producing oxygen. The study suggests that a critical threshold of atmospheric oxygen led to a shift in ocean biogeochemistry, fundamentally reorganizing oxygen distribution.

SourceSyracuse University·JournalNature Geoscience·DateJan 21, 2026

C-Path’s Translational Therapeutics Accelerator announces 2026 request for proposals from academic investigators

The Critical Path Institute's Translational Therapeutics Accelerator is offering grants to support the development of new treatments for polycystic kidney disease, brain health, pediatrics, and rare diseases. C-Path has partnered with the PKD Foundation to offer a specialized track focused on PKD, and is also accepting applications fro...

The Ralph Lauren Corporate Foundation to open fourth center in the US with the University of Chicago Medicine Comprehensive Cancer Center

The Ralph Lauren Corporate Foundation has awarded a grant to establish the UChicago Medicine Ralph Lauren Center, expanding access to high-quality cancer screening and care in Chicago's South Side. The new center will focus on personalized and comprehensive approaches to patient navigation and prevention services.

Looking deep into the eyes of insects

A study by neuroethologists at the University of Konstanz reveals that insect brains process complex light stimuli in different layers of the lamina, enabling efficient signal processing and improved image resolution. The research found that cells in the lamina can perform multiple tasks depending on their location within the layer.

SourceUniversity of Konstanz·JournalCurrent Biology·DateJan 21, 2026

Kenya’s big cats under pressure – cattle push lions away

A new study from Aarhus University finds that large numbers of cattle are driving lions out of their habitats in Kenya, affecting both the ecosystem balance and nature-based tourism. The researchers recommend targeted grazing management, protecting lion refuges, and using data in conservation planning.

SourceAarhus University·JournalBiological Conservation·TypeObservational study·DateJan 21, 2026

Largest genetic study of schizophrenia and African ancestry reveals shared biology across global populations

A recent study published in Nature identified over 100 new genetic regions linked to schizophrenia that had not been previously discovered. These findings show that while specific genetic variants may differ across populations, the core biological mechanisms underlying schizophrenia are shared worldwide.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalNature·TypeObservational study·DateJan 21, 2026

Optical spin Hall effect driven by hybrid spin-orbit coupling in organic microcavities

Researchers achieved hybrid spin-orbit coupling-driven optical spin Hall effect in organic microcavities, offering a new approach for polarization-preserving components and spin-photonic functionality. The system provides more than one 'topological' spin texture within a single device, accessible by adjusting momentum.

SourceScience China Press·JournalScience Bulletin·TypeExperimental study·DateJan 21, 2026

Study finds religion/spirituality may protect against depression among young adult online gamers

A new study suggests that spiritual or religious affiliation can buffer against major depressive disorder symptoms in young adult online gamers. Gamers who struggled to control internet activity were 35% more likely to experience symptoms of MDD, while those with a spiritual affiliation were 62% less likely.

SourceAmerican Counseling Association·JournalJournal of Addictions & Offender Counseling·TypeObservational study·DateJan 21, 2026

Tel Aviv University and Tel Aviv Medical Center (Ichilov) study finds that brain function can influence vaccine effectiveness

A Tel Aviv University study found that brain function can influence vaccine effectiveness by activating the brain's reward system, leading to a better immune response. The study used fMRI neurofeedback technology to train participants to modulate their brain activity in a key region responsible for dopamine release.

SourceTel-Aviv University·JournalNature Medicine·DateJan 21, 2026

Protein foundation models reshaping the research paradigm of life sciences

Protein Foundation Models (pFMs) leverage vast amounts of sequence and structural data to predict protein structures and functions, enabling novel protein design and analysis. The models have evolved into several mature technical approaches, demonstrating versatility in basic biological research, protein discovery, and biomedical appli...

SourceScience China Press·JournalScience China Life Sciences·TypeSystematic review·DateJan 21, 2026

University of Bonn opens its own supermarket

The University of Bonn has opened a laboratory supermarket to study how health- and sustainability-oriented purchases can be encouraged through product placement and other incentives. Researchers are investigating the effectiveness of different strategies in influencing consumer choices.

SourceUniversity of Bonn·TypeExperimental study·DateJan 21, 2026

New yeast production method sharpens NMR spectra of membrane proteins at low cost

Researchers introduced a simple and cost-effective labeling method using Pichia pastoris to overcome high spectral resolution challenges in solid-state NMR studies of membrane proteins. The approach achieved random fractional labeling, sharpening spectral peaks and improving resolution at a lower cost than traditional methods.

SourceKeAi Communications Co., Ltd.·JournalMagnetic Resonance Letters·TypeExperimental study·DateJan 21, 2026

Medical LLMs may show real-world potential in identifying individuals with major depressive disorder using WhatsApp voice note recordings

A new medical large language model (LLM) achieved over 91% accuracy in identifying female participants diagnosed with major depressive disorder after analyzing short WhatsApp audio recordings. The LLMs showed greater accuracy when classifying women compared to men, particularly when given the 'describe your week' data.

SourcePLOS·JournalPLOS Mental Health·TypeExperimental study·DateJan 21, 2026

Why we believe what we click

A recent study found that people give more credence to reiterated information than new information, especially when selecting their own content. This phenomenon can contribute to the propagation of fake news, but fact-checking presented in an engaging way can mitigate its effects.

SourceRuhr-University Bochum·JournalJournal of Experimental Psychology·TypeExperimental study·DateJan 21, 2026

Stronger together: How social connections and physical activity team up to boost older adults’ health

A comprehensive literature review by Texas A&M University researchers finds strong social networks and physical activity are deeply intertwined, reducing feelings of loneliness and improving well-being. The study suggests treating these factors as linked, with a focus on designing interventions that use connections to encourage movement.

SourceTexas A&M University·JournalAmerican Journal of Health Promotion·TypeLiterature review·DateJan 21, 2026

People with “binge-watching addiction” are more likely to be lonely

A study published in PLOS found that individuals with binge-watching addiction are more likely to experience loneliness. The researchers discovered an association between increased loneliness and higher levels of binge-watching addiction, suggesting that people may engage in this behavior as a coping mechanism for emotional distress.

SourcePLOS·JournalPLOS One·TypeSurvey·DateJan 21, 2026

Wild potato follows a path to domestication in the American Southwest

Researchers found starch granules on ancient tools, dating back thousands of years, indicating the Four Corners potato was transported and used by Indigenous peoples. The study reveals a unique cultural identity developed through ancient transport, still significant among Native American communities.

SourcePLOS·JournalPLOS One·TypeObservational study·DateJan 21, 2026

General climate advocacy ad campaign received more public engagement compared to more-tailored ad campaign promoting sustainable fashion

A study published in PLOS Climate found that general climate change awareness messages received more QR code scans than specific sustainable fashion messages. The researchers analyzed data from outdoor ads in the US Southwest and found that larger, exterior bus ads were more effective at engaging the public.

SourcePLOS·JournalPLOS Climate·TypeExperimental study·DateJan 21, 2026

New insight into light–matter thermalization could advance neutral-atom quantum computing

Researchers found that photons and atoms don't always rapidly reach thermal equilibrium as expected. Instead, they can settle at different temperatures for extended periods, allowing for the preservation of quantum behavior. This prethermal state can last long enough to matter for neutral-atom quantum computers.

SourceUniversity at Buffalo·JournalPhysical Review Letters·TypeComputational simulation/modeling·DateJan 21, 2026

“Hulk lizard” knocks out ancient colour palette

A study led by Lund University reveals how a dominant wall lizard species has wiped out several color variants within its population. The researchers analyzed data from over 10,000 individuals and found that the aggressive 'Hulk' lizards have shifted the balance of colors, leaving only white throat colors remaining.

SourceLund University·JournalScience·DateJan 21, 2026

A Genetic tug-of-war shapes the biosynthesis of bioactive saponins

Researchers identified two closely related enzymes competing for the same metabolic precursor, driving distinct biochemical outcomes. The study reveals a molecular mechanism controlling saponin biosynthesis and offers new targets for improving medicinal plant products. Fine-tuned regulation by transcription factors optimizes resource a...

A study analyses which lung cancer subtypes are associated with different air pollutants

A study analyzing air pollutants' impact on lung cancer reveals that fine particulate matter (PM2.5) increases the risk of all subtypes, while NO2, O3, and SO2 are linked to non-small-cell lung cancer. No associations were found between gaseous pollutants and small-cell carcinoma.

SourceBarcelona Institute for Global Health (ISGlobal)·JournalEnvironmental Pollution·TypeObservational study·DateJan 21, 2026

“Antimicrobial resistance pandemic will kill more people than cancer by 2050 and no one at Davos is talking about it" – leading scientists speak out at Frontiers Science House

Antimicrobial resistance is expected to kill more people than cancer by 2050 due to increasing public mistrust and delayed policy-making. Experts urge immediate global action against AMR, emphasizing the need for trust in science, transparency, and openness to address this growing threat.

Making human pancreatic acinar cells

Dresden researchers have developed a system to test multiple compounds on human pancreatic organoids, identifying 54 compounds that affect pancreas development. These compounds inhibit the GSK3A/B protein and drive progenitor cells to differentiate into functional acinar cells. The ability to generate acinar organoids is valuable for s...

SourceMax Planck Institute of Molecular Cell Biology and Genetics (MPI-CBG)·JournalCell Stem Cell·TypeExperimental study·DateJan 21, 2026

Massive cloud with metallic winds discovered orbiting mystery object

Researchers have discovered a massive cloud of gas and dust orbiting a mysterious object 3000 light-years from Earth, featuring winds of vaporized metals including iron and calcium. The cloud is gravitationally bound to the secondary object, which orbits its host star in the outer reaches of the planetary system.

Body-focused teens more likely to experience anxiety and depression at 20

Research from the University of Warwick finds that teenage girls who manage their bodies through constant dieting and exercise face heightened risks of psychological health issues. By age 20, these young women are more likely to experience anxiety and depression, highlighting the need for a broader approach to mental health support.

SourceUniversity of Warwick·JournalCurrent Psychology·TypeData/statistical analysis·DateJan 21, 2026

Scientists unveil “dissolution barocaloric” cooling, opening new path to zero-carbon refrigeration

Researchers have developed a novel cooling method based on the 'dissolution barocaloric effect,' which offers a promising zero-carbon alternative to traditional refrigeration. The new technology achieves low carbon emissions, high cooling capacity, and high heat transfer efficiency simultaneously.

SourceChinese Academy of Sciences Headquarters·JournalNature·TypeExperimental study·DateJan 21, 2026

Dual-scale imaging platform captures metabolic and vascular adaptations in vivo, offering new insights for cancer treatment strategies

A multidisciplinary team developed a dual-scale Capillary-Cell microscope to visualize tumor metabolism and vasculature dynamics. The platform revealed complex relationships between tumor vascular network and metabolic behavior, highlighting distinct adaptations based on local conditions.

SourceBMEF (BME Frontiers)·JournalBME Frontiers·TypeExperimental study·DateJan 21, 2026

Pregnancy- and abortion-related mortality in the US, 2018-2021

A recent study published in JAMA Network Open found that abortion bans are associated with a significant increase in pregnancy-related mortality in the United States. The study suggests that restricting access to safe abortion care forces pregnant individuals to take on increased health risks, leading to higher mortality rates.

SourceJAMA Network·JournalJAMA Network Open·DateJan 21, 2026

Velocity gradients key to explaining large-scale magnetic field structure

A team of scientists at the University of Wisconsin-Madison has identified a new mechanism to describe the generation of large-scale magnetic fields. They found that steady velocity gradients are key to creating ordered, large-scale field structures, resolving a long-standing issue in understanding how these fields are generated.

SourceUniversity of Wisconsin-Madison·JournalNature·TypeComputational simulation/modeling·DateJan 21, 2026

New 2.6-million-year-old Paranthropus fossil reshapes understanding of early hominins

A 2.6-million-year-old partial jaw of Paranthropus, discovered in Afar, Ethiopia, expands the known geographic distribution of the genus northward by 1000 km. The fossil reveals that Paranthropus was as widespread and versatile as Homo, challenging previous assumptions about its dietary specialization and competition with other hominins.

Curtin scientists freeze out ice-age delivery theory for Stonehenge stones

Researchers analyzed over 500 zircon crystals and found no evidence of glaciers transporting the bluestones to Stonehenge. The study strengthens the case for human transport, leaving the exact method a mystery. Advanced mineral fingerprinting techniques provided key insights into geological history.

SourceCurtin University·JournalCommunications Earth & Environment·TypeComputational simulation/modeling·DateJan 21, 2026

Patients struggle to measure blood pressure at home

A study found that one-third of patients in an at-home hypertension management program could not complete weekly readings, highlighting the need for more convenient and less burdensome monitoring tools. The researchers suggest innovative wearable devices that can passively collect blood pressure readings to reduce patient burden.

SourceMass General Brigham·JournalJAMA Cardiology·TypeObservational study·DateJan 21, 2026

Massive black hole mystery unlocked by Irish researchers

Researchers at Maynooth University found that chaotic conditions in the early Universe triggered the rapid growth of smaller black holes into super-massive behemoths. This breakthrough resolves a long-standing puzzle, suggesting that 'garden variety' stellar mass black holes can grow at extreme rates.

SourceMaynooth University·JournalNature Astronomy·TypeComputational simulation/modeling·DateJan 21, 2026

ORNL to partner with Type One Energy, UT on world-class facility to validate next-gen fusion

The Oak Ridge National Laboratory is partnering with Type One Energy and the University of Tennessee to establish a world-class high-heat flux facility in East Tennessee. The facility will evaluate how materials react under extreme conditions in a fusion device, accelerating the development of plasma-facing components and enabling the ...

SourceDOE/Oak Ridge National Laboratory·TypeNews article·DateJan 21, 2026

Jeonbuk National University researchers develop novel dual-chemical looping method for efficient ammonia synthesis

Researchers at Jeonbuk National University have developed a new dual-chemical looping process that improves the efficiency of ammonia synthesis by 8.4% and reduces global warming potential by up to 15.85 kg CO2-equivalent per kilogram of ammonia produced.

SourceJeonbuk National University, Sustainable Strategy team, Planning and Coordination Division·JournalEnergy Conversion and Management·TypeComputational simulation/modeling·DateJan 21, 2026

A year after undermining Bredt’s rule, UCLA scientists have made cage-shaped, double-bonded molecules that defy expectations

Researchers at UCLA have developed cage-shaped, double-bonded molecules called cubene and quadricyclene that defy expectations by breaking the traditional rules of organic chemistry. The discovery has potential applications in drug development, enabling the creation of more complex 3D structures for new medicines.

SourceUniversity of California - Los Angeles·JournalNature Chemistry·DateJan 21, 2026

Creative talent: has AI knocked humans out?

A large-scale study reveals that generative AI models have reached the threshold of average human creativity, but the most creative individuals still outperform even the best AI systems. The study also highlights the importance of human guidance and parameterization in modulating AI creativity.

SourceUniversity of Montreal·JournalScientific Reports·DateJan 21, 2026

Sculpting complex, 3D nanostructures with a focused ion beam

Researchers have developed a new method to fabricate three-dimensional nanoscale devices from single-crystal materials using a focused ion beam instrument. They created helical-shaped devices that behave like switchable diodes, allowing electricity to flow more easily in one direction than the other.

SourceRIKEN·JournalNature Nanotechnology·TypeExperimental study·DateJan 21, 2026

Magnetic avalanches power solar flares

A team of scientists used Solar Orbiter's instruments to capture a large solar flare in unprecedented detail. The observations revealed that the flare was triggered by initially weak disturbances that quickly became more violent, creating a 'sky' of raining plasma blobs.

SourceEuropean Space Agency·JournalAstronomy and Astrophysics·TypeObservational study·DateJan 21, 2026

DNA tests reveal mysterious beluga family trees

A team of scientists analyzed DNA samples from 623 beluga whales in Bristol Bay, Alaska, revealing a polygynous mating system where males secure few matings per year, but females switch partners frequently across breeding seasons. This unique strategy may help maintain genetic diversity and resilience in the small population.

SourceFrontiers·JournalFrontiers in Marine Science·TypeObservational study·DateJan 21, 2026