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Science News Archive December 2025 - Page 33


Page 33 of 46

KAIST removes 99.9% of ultrafine dust using nano water droplet technology​

A KAIST research team created a water-based air purification device that removes ultrafine dust with high efficiency, long-term stability, and low power consumption. The device operates without filters, ozone, or noise, making it an eco-friendly next-generation air purification platform.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalAdvanced Functional Materials·TypeMeta-analysis·DateDec 8, 2025

RoboCrop: Teaching robots how to pick tomatoes

A new model developed by Osaka Metropolitan University Assistant Professor Takuya Fujinaga enables robots to accurately pick tomatoes, with an 81% success rate. The system evaluates the ease of harvesting for each tomato, taking into account factors such as fruit clustering and stem geometry.

SourceOsaka Metropolitan University·JournalSmart Agricultural Technology·TypeExperimental study·DateDec 8, 2025

Visualizing microvessels in the brain with ultrasound…DGIST develops ‘ULM-Lite’ technology

The research team developed 'ULM-Lite,' a new analysis method that retains essential information from ultrasound signals, significantly reducing data size and increasing processing speeds. This technology enables clear visualization of the entire brain non-invasively without requiring surgery or fluorescent materials.

Active damping strategy of the PMSM drive system with LC sine wave filter: Review and new expansion

The article reviews and expands the active damping strategy for permanent magnet motor drive systems with LC filters, analyzing its stability, dynamic performance, robustness, and algorithm complexity. A new expansion using capacitor current feedback with high-pass filter is proposed to overcome resonance suppression problems.

SourceCES Transactions on Electrical Machines and Systems·JournalCES Transactions on Electrical Machines and Systems·TypeExperimental study·DateDec 8, 2025

How your brain understands language may be more like AI than we ever imagined

A recent study published in Nature Communications found that the human brain processes spoken language in a sequence mirroring advanced AI language models. The research suggests that artificial intelligence can offer insights into how the brain constructs meaning, challenging traditional rule-based theories.

SourceThe Hebrew University of Jerusalem·JournalNature Communications·TypeData/statistical analysis·DateDec 8, 2025

How maternal distress affects neurological development in children: New study sheds light

A new study found that maternal psychological distress experienced at 1 year postpartum has a stronger association with neurodevelopmental delay in toddlers compared to prenatal distress. The researchers also discovered that experiencing distress during both pregnancy and postpartum periods further amplifies the risk of delays.

SourceUniversity of Toyama·JournalJAMA Network Open·TypeObservational study·DateDec 8, 2025

Artificial Intelligence-driven Strategies and Modern Innovations to Surpass Biopharmaceutic Limitations in Traditional Drug Development

The integration of AI predictive tools and novel formulations, such as 3D printing and biodegradable nanocarriers, is transforming the approach to traditional drug development. These cutting-edge technologies are improving drug absorption and bioavailability by predicting and overcoming biopharmaceutic challenges.

SourceXia & He Publishing Inc.·JournalJournal of Exploratory Research in Pharmacology·DateDec 8, 2025

Medical cannabis program reduces opioid use

A new study published in JAMA Internal Medicine found that adults with chronic pain who used medical cannabis had a 22% reduction in opioid use. The study, led by researchers at Albert Einstein College of Medicine, suggests that supervised use of medical cannabis can relieve chronic pain and reduce reliance on prescription opioids.

SourceAlbert Einstein College of Medicine·JournalJAMA Internal Medicine·TypeRandomized controlled/clinical trial·DateDec 8, 2025

Gemini and Blanco telescopes unlock clues to origin of longest gamma-ray burst ever observed

A team of astronomers used multiple NSF NOIRLab facilities, including Gemini and Blanco telescopes, to study the longest gamma-ray burst ever witnessed. Analysis revealed that the event likely originated from a relativistic jet crashing into the surrounding material in a massive, extremely dusty galaxy.

SourceAssociation of Universities for Research in Astronomy (AURA)·JournalThe Astrophysical Journal Letters·DateDec 8, 2025

Optical chip pioneers physical-layer public-key encryption with partial coherence

Researchers at Huazhong University of Science and Technology have implemented the first complete public-key encryption system at the physical optical layer. The innovation lies in integrating partially coherent light and reciprocity principles on a single photonic chip to conceal information within random optical fields.

SourceOpto-Electronic Journals Group·JournalOpto-Electronic Advances·TypeNews article·DateDec 8, 2025

Protective effects of Sclerocarya birrea in vivo

The study found that S. birrea extract reversed behavioral alterations caused by monosodium glutamate, reduced oxidative stress parameters, and counteracted malondialdehyde levels. These results support the potential of S. birrea as a neuroprotective agent for preventing and treating cognitive deficits.

SourceXia & He Publishing Inc.·JournalJournal of Exploratory Research in Pharmacology·DateDec 8, 2025

Cardiovascular events 1 year after RSV infection in adults

A cohort study of adults aged 45 or older with RSV infection found a significant excess risk of cardiovascular events over 1 year, comparable in magnitude to influenza infection. This highlights the importance of RSV as a potential risk factor for cardiovascular morbidity and underscores the need for vaccination to mitigate this burden.

SourceJAMA Network·JournalJAMA Network Open·DateDec 8, 2025

Triaptosis—an emerging paradigm in cancer therapeutics

Researchers have discovered triaptosis, a novel cell death mechanism that selectively targets and kills cancer cells, offering a new hope in oncology. This process is mechanistically distinct from all previously known cell death pathways and holds considerable promise for combination with immunotherapy.

SourceResearch·JournalResearch·TypeNews article·DateDec 8, 2025

Multichannel 3D-printed bioactive scaffold combined with siRNA delivery for spinal cord injury recovery

Researchers developed an innovative treatment platform combining a multichannel 3D-printed bioactive scaffold with siRNA delivery for enhanced axon regeneration and improved motor function in spinal cord injury rats. The therapy addressed multiple pathological barriers, including insufficient intrinsic axonal regeneration, lack of dire...

SourceResearch·JournalResearch·TypeNews article·DateDec 8, 2025

A new paradigm in spectroscopic sensing: The revolutionary leap of SERS-optical waveguide integration and ai-enabled ultra-sensitive detection

A new paradigm in spectroscopic sensing has emerged through the integration of optical waveguides and Surface-Enhanced Raman Scattering (SERS) technology. This breakthrough enables ultra-sensitive, portable detection platforms with transformative on-site real-time monitoring capabilities.

CABI launches new ‘Evidence Synthesis’ course

The Primer on Evidence Synthesis is a four-hour, online course that introduces key terminology and principles of evidence synthesis. It aims to help researchers, policy makers, and funders understand the importance of evidence synthesis for decision-making in the agricultural sector.

SourceCABI·DateDec 8, 2025

Record-breaking cosmic explosion challenges astronomers’ understanding of gamma-ray bursts

Astronomers have observed a record-breaking gamma-ray burst that lasted nearly seven hours, challenging existing models for these events. The burst's unusual duration and properties suggest multiple possible causes, including the collapse of a massive star or the collision of exotic stellar remnants.

SourceUniversity of North Carolina at Chapel Hill·JournalThe Astrophysical Journal Letters·DateDec 8, 2025

Mount Sinai study finds PTSD may accelerate brain aging in 9/11 responders

A Mount Sinai study reveals PTSD may accelerate brain aging in World Trade Center responders, with longer exposure duration further amplifying the effect. The study uses deep learning-based brain age models to estimate brain age and provides new evidence for the long-term impact of trauma on neurological health.

Augmenting electroencephalogram transformer for steady-state visually evoked potential-based brain–computer interfaces

The study introduces BGMix, which separates task-related components from background EEG to generate valid samples. AETF is designed to process the augmented data and capture EEG's spatiotemporal-frequential features using a Transformer-based attention mechanism. This integrated solution improves the practicality of high-speed SSVEP-bas...

Pushing the resolution limit of coherent diffractive imaging

Researchers have achieved perfect transfer functions in Coherent Diffractive Imaging (CDI) with various numerical apertures, pushing the imaging resolution to the Abbe diffraction limit. Their computational framework, RFD, solves the high-NA CDI problem for the first time, achieving a record-high imaging resolution of 0.57λ.

AI offers ‘roadmap’ to plant genetics

Researchers at Cold Spring Harbor Laboratory developed an AI-powered approach to identify redundant genes in plants. By analyzing evolutionary data and machine learning models, they predicted which genes to edit to modify specific traits, providing a new 'roadmap' for plant breeders.

SourceCold Spring Harbor Laboratory·JournalMolecular Biology and Evolution·DateDec 8, 2025

Pusan National University study highlights the health hazards of ultrafine particles from small home appliances with electric heating coils and brushed DC motors

A new study published in the Journal of Hazardous Materials found that small home appliances with electric heating coils and brushed DC motors emit large quantities of ultrafine particles, posing significant health hazards. The study suggests that children are at a higher risk due to their smaller airway diameters.

SourcePusan National University·JournalJournal of Hazardous Materials·TypeExperimental study·DateDec 8, 2025

Wireless device ‘speaks’ to the brain with light

Scientists developed a wireless device that uses light to send information directly to the brain, bypassing natural sensory pathways. The soft device delivers precise patterns of light through the bone to activate neurons across the cortex, allowing mice to learn and interpret meaningful signals.

SourceNorthwestern University·JournalNature Neuroscience·TypeExperimental study·DateDec 8, 2025

Silicon chips on the brain: Researchers announce a new generation of brain-computer interface

A new generation of brain-computer interface offers high-throughput information link to and from the brain, transforming treatment possibilities for neurological conditions like epilepsy and ALS. The single silicon chip implant is orders of magnitude faster and smaller than today's state-of-the-art devices.

Major breakthrough against diabetes thanks to a microbial molecule that disarms inflammation

Researchers have uncovered a microbial metabolite called trimethylamine (TMA) that can block a key immune pathway and improve blood sugar control. TMA, produced by gut bacteria from dietary choline, targets IRAK4, a protein that triggers inflammation and insulin resistance in diabetic individuals.

SourceUniversité catholique de Louvain·JournalNature Metabolism·TypeObservational study·DateDec 8, 2025

Getting rest is the best

A study of over 70,000 people found that fewer than 13% meet recommended sleep and physical activity targets. Improving sleep quality was associated with higher daily activity levels. The findings suggest prioritizing sleep may be the first step toward a healthier, more active life.

SourceFlinders University·JournalCommunications Medicine·TypeMeta-analysis·DateDec 8, 2025

Transforming acoustic waves with a chip

Researchers have developed a new acoustic wave-producing technology on an electronic chip, enabling customizable curved waves for trapping objects, routing wave information, and transporting fluids. This innovation has significant potential in medical applications, such as noninvasive surgery and biosensors.

SourceVirginia Tech·JournalNature Communications·DateDec 8, 2025