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Science News Archive December 2025


Page 17 of 46

Cell membrane fluctuations produce electricity

Researchers developed a framework showing how cell membranes can produce transmembrane voltages through flexoelectricity, reaching up to 90 millivolts. Active biological processes create membrane fluctuations that drive ion transport against electrochemical gradients.

40 percent of MRI signals do not correspond to actual brain activity

Researchers found that increased fMRI signal doesn't always mean increased oxygen demand. In fact, regions with high activity actually use more efficient oxygen supply. This challenges current interpretations of brain disorders and proposes a new energy-based approach to understanding the brain.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

A new immunotherapy approach could work for many types of cancer

Researchers developed a new way to stimulate the immune system to attack tumor cells by blocking an immune checkpoint. They created multifunctional molecules called AbLecs, which combine a lectin with a tumor-targeting antibody, and showed they could boost the immune response to cancer cells.

Contrails are a major driver of aviation’s climate impact

A new study reveals that contrails contribute substantially to aviation's climate impact, accounting for 15% of global emissions. Optimizing flight routes can reduce contrail formation and associated climate costs, providing airlines and policymakers with tools for climate optimization.

A new way to diagnose deadly lung infections and save lives

A new diagnostic method using AI and genetic information can accurately identify pneumonia in critically ill patients, distinguishing between infectious and non-infectious causes. The model has been shown to reduce inappropriate antibiotic use by over 80% and could lead to faster diagnosis and improved patient outcomes.

How brain-inspired algorithms could drive down AI energy costs

Researchers propose integrating processing capability within memory units to reduce energy consumption and latency in AI applications. Inspired by the brain's efficient processing mechanisms, spiking neural networks (SNNs) can respond to irregular events and store information in the same place.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Book prepares K-12 leaders for the next public health crisis

The book chronicles challenges faced during the COVID-19 pandemic and offers practical guidance on building trust, prioritizing needs of most at risk and reliable communication. Experts share lessons learned from K-12 schools and public health partnerships to navigate future crises.

Young adults commonly mix cannabis with nicotine and tobacco

A new study from Columbia University Mailman School of Public Health found that cannabis use is diverse and complex, with increasing trends in vaping, edibles, and smoked products. The study suggests that young adults are more likely to initiate cannabis use than quit, and that co-use with nicotine and tobacco products is common.

Keeping the heart healthy increases longevity even after cancer

Research from the UMBERTO Project found that adopting healthy lifestyles such as eating well, exercising regularly and maintaining a balanced weight significantly reduced cancer mortality. The study showed a strong link between traditional cardiovascular risk factors and survival in people with a history of cancer.

Reducing social isolation protects the brain in later life

New research from the University of St Andrews discovered a direct causal effect between social isolation and faster cognitive decline in later life. Reducing social isolation has a protective effect on cognitive function for all subpopulations, regardless of gender, race, or educational level.

Storms in the Southern Ocean mitigates global warming

Research shows that intense storms in the Southern Ocean enable it to absorb more heat from the atmosphere. This helps regulate Earth's climate by reducing global warming. The study found that stronger storm activity generates lower surface temperatures across the ocean.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Can intimate relationships affect your heart? New study says ‘yes’

A new study published in the Canadian Journal of Cardiology suggests that strong and supportive relationships can improve heart health for individuals with cardiovascular disease. The review highlights the need to include intimate partners in cardiac rehabilitation programs to support long-term heart health and quality of life.

ECU researchers develop new tool in forensic intelligence gathering

Researchers have developed a new method for human identification using proteomics, which could be used in scenarios where DNA evidence is unavailable or degraded. This technique relies on the detection of genetically variant peptides in single hair strands to create a unique profile for each person.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Hospitality sector edges closer to delivering on diversity promise

A new study by Flinders University researcher Ashokkumar Manoharan finds that despite widespread acceptance of DEI regulations, applicants may still encounter barriers to securing roles due to automated processes on job sites. The research highlights the importance of transparency and adequate resources in meaningful DEI initiatives.

Scientists discover fungus that kills toxic algae threatening human health

A team of researchers from Yokohama National University has discovered a previously unknown species of marine fungus that can kill harmful, bloom-forming algae. The new species, Algophthora mediterranea, was found to be a destructive parasite in a species of algae known to cause toxic blooms with adverse health effects on humans.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

New framework reveals where transport emissions concentrate in Singapore

A new framework reveals that compact, mixed-use districts like One-North are designed to generate cleaner travel patterns, but the reality is more complex. Emissions hotspots were identified at major arterial roads, weaker transit-accessible edges of districts, and busy corridors like North Buona Vista Road.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

COVID-19 leaves a lasting mark on the human brain

Researchers found altered brain tissue microstructure and neurochemical profiles in Long COVID and recovered COVID-19 individuals through advanced MRI techniques. This study provides vital insights into how COVID-19 affects the central nervous system, potentially explaining cognitive problems reported after infection.

Specific depressive symptoms in midlife linked to increased dementia risk

A new study suggests that midlife depression is driven by a small cluster of specific symptoms, rather than depression overall. The six symptoms are loss of self-confidence, difficulty coping with problems, and poor concentration, which can lead to reduced social engagement and decreased cognitive reserve.

Study showcases resilience and rapid growth of “living rocks”

A new study reveals that microbialites in South Africa are thriving, growing up to 2 inches vertically every year. They absorb carbon day and night through metabolic processes, making them one of the most efficient biological mechanisms for long-term carbon storage observed in nature.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Voluntary wintertime cover crop adoption up 5 percent in Arkansas

Researchers found a positive relationship between government support and voluntary planting of cover crops in Arkansas. The study showed that soybean-to-soybean rotation is the most common aftercover crop adoption, with voluntary cover crops increasing by 5% over the 2013-2019 period.

Hidden viruses in wastewater treatment may shape public health risks, study finds

Researchers discovered complex viral communities in wastewater treatment plants, interacting with bacteria to influence treatment efficiency and health risks. The study found that viruses can act as reliable biological indicators of treatment performance, while also potentially promoting the spread of antibiotic resistance genes.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

DNA nanostructures get a major upgrade

Researchers have developed a new method to assemble DNA nanostructures in ionic liquids, resulting in improved stability and enhanced targeting capabilities. The new approach has shown promising results in targeting cancer cells and delivering potent inhibition.

Who is more likely to get long COVID?

Researchers have identified 32 causal genes that increase the likelihood of developing long COVID, including 13 new genes not previously associated with the disease. The study's findings could lead to more precise diagnoses and treatment options for the condition, which affects an estimated 400 million people worldwide.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

An ‘illuminating’ design sheds light on cholesterol

A team of researchers at the University of Pennsylvania has designed a new light-controlled cholesterol molecule that selectively targets two poorly understood sterol transport proteins, ORP1 and ORP2. This breakthrough enables precise spatiotemporal control over cholesterol's biological activity, paving the way for advanced therapeutics.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Machine learning offers growers a new tool for predicting crop water use

A new study demonstrates strong performance in predicting daily crop transpiration using machine-learning models and high-resolution lysimeter data. Machine learning can reliably predict daily transpiration from environmental conditions and plant characteristics, highlighting an important conceptual step toward plant-driven prediction ...

Naval Research Lab diver earns Office of Naval Research 2025 Sailor of the Year

Petty Officer 1st Class Mitchell Apgar, a Navy Diver at the Naval Research Laboratory, was selected as the 2025 ONR Sailor of the Year for his sustained superior performance, leadership, and professionalism. He demonstrated exceptional commitment to his duties, taking on greater responsibility and pursuing self-improvement.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Surfing on the waves of the microcosm

Researchers use model calculations to optimize work extraction from fluctuating environments, enabling the development of nanomachines that can efficiently transport nutrients and other molecules within cells. The study's findings have significant implications for understanding thermodynamics in the microscopic world.

MSK researchers solve a key colorectal cancer mystery

Researchers from MSK discovered that two distinct subtypes of regulatory T cells play opposing roles in colorectal cancer, with one restraining tumor growth and the other fueling it. The study suggests that selective approaches to targeting these cells could improve immunotherapy treatment for most patients with colorectal cancer.