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Science News Archive December 2025


Page 14 of 46

New tech reduces false positives from breast ultrasounds

A new ultrasound technology developed at Johns Hopkins University can distinguish fluid from solid breast masses with near perfect accuracy, improving the diagnostic certainty of radiologists. In initial tests, doctors accurately identified masses 96% of the time, compared to 67% with traditional tools.

Apple iPhone 17 Pro

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

Drone-mounted lab monitors fertilizer runoff in real time

A team of researchers developed a custom nitrate-sensing drone that can analyze samples mid-air, providing accurate results in just seven minutes. The technology has the potential to improve fertilizer use efficiency and prevent waterway pollution by monitoring nitrate concentrations in real-time.

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.

AI learns to build simple equations for complex systems

A new AI framework uncovers simple, understandable rules governing complex dynamics in nature and technology. The AI generates equations that accurately describe complex systems, revealing hidden variables that govern their behavior. This approach offers scientists a new way to leverage AI for understanding complex systems.

New details on role of fat transport molecules in Alzheimer’s onset

A new study found that lysophosphatidylcholines (LPCs) promote or protect against Alzheimer's disease depending on a person's genetics. LPCs transport healthy fatty acids to the brain, and their impact is critical in early detection and personalized treatments for those carrying the APOE ε4 gene.

Disappointment alters brain chemistry and behavior

A mouse study by Okinawa Institute of Science and Technology researchers has found that acetylcholine release is essential for breaking habits and enabling new choices to be made. The study's findings may help understand diseases such as Parkinson's disease, addiction, and obsessive-compulsive disorder.

UMass Amherst chemists develop unique tool for studying RNA

Researchers at UMass Amherst have developed a unique tool for studying RNA, allowing them to observe its behavior inside live cells. The three-color method uses glowing proteins that target specific parts of the RNA molecule, providing valuable insights into RNA's functions and how they impact cellular health.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

NAU team releases 13 years of detailed U.S. CO2 emissions data

A new study from Northern Arizona University provides 13 years of carbon dioxide emissions data for the United States, enabling businesses and cities to make informed environmental policy choices. The dataset is expected to help policymakers create trading markets and climate-friendly investments.

Unveiling how sodium-ion batteries can charge faster than lithium-ion ones

Researchers found that sodium-ion batteries using hard carbon negative electrodes can reach faster charging rates than lithium-ion batteries, thanks to the pore-filling mechanism. This process is limited by the efficiency of ion aggregation within the electrode's nanopores, which requires less energy for sodium insertion.

A built-in odometer: new study reveals how the brain measures distance

Scientists at Max Planck Florida Institute for Neuroscience have identified a neural code that allows the brain to track distance traveled without visual cues. This ability is essential for navigation and memory formation, and may offer insight into early navigation problems in Alzheimer's disease.

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.

Can an electronic nose detect indoor mold?

Researchers developed an electronic nose that can detect and identify two common indoor mold species using nanowires. The e-nose measures changes in electrical resistance to gas molecules interacting with a sensing material, proving its potential for fast and objective monitoring of indoor air quality.

How do childcare tax credits affect children’s long-term health?

Research found that early childhood exposure to childcare tax credits affects children's physical and mental health outcomes differently based on their mothers' educational level. Children of more-educated mothers experienced worse health outcomes, while those of less-educated mothers showed improvements.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Do natural disasters have long-term impacts on mortality in older adults?

A study analyzing Medicare claims data found that older adults who lived through Hurricane Harvey had a 3% elevated risk of dying within 1 year. Mortality risk was highest among those with chronic health conditions like Alzheimer's disease, and Black and Hispanic/Latino populations experienced higher mortality risks than other groups.

How does grandparental care affect children’s health?

Regular grandparental care can ease the pressures on parents but may have negative impacts on children's health, with some children showing poorer general health in studies of over 11,000 kids. Grandparental care also benefits parents' satisfaction rates, particularly mothers and fathers.

Young shark species more vulnerable to extinction

Researchers at the University of Zurich examined fossil records worldwide and found a consistent pattern: young shark species are more likely to go extinct. This challenges the long-held assumption that older species are less vulnerable to extinction.

Mobile fetal heart monitoring linked to fewer newborn deaths in Tanzania

A new wireless fetal heart rate monitoring device improved perinatal mortality by 60% and detected abnormal fetal heart rates 8-10 times more frequently than standard techniques. The technology also reduced the risk of stillbirths and neonatal deaths, but its effectiveness was limited by late introduction in pregnancy.

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.

Why are there so many Nordic mediators?

A new book by Uppsala University researchers reveals the secrets behind Nordic mediators' success in resolving conflicts. The authors analyze over 75 years of Nordic mediation experiences and introduce a new model for assessing successful results.

Single XUV pulse generation via waveform-controlled laser-plasma interaction

Researchers propose a novel scheme to produce isolated attosecond pulses using relativistic electron mirrors. This approach can compress an incoming femtosecond laser pulse into an ultra-intense extreme ultraviolet (XUV) attosecond burst, opening doors to groundbreaking applications in ultrafast science and high-resolution imaging.

Recent tundra fires ‘exceed anything in past 3,000 years’

Wildfires on Alaska's North Slope have reached unprecedented levels in recent centuries, driven by drying soils and expanding woody shrubs. The study's findings suggest a rapid transformation of the tundra ecosystem, with modern-day fires burning hotter and consuming more fuel.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Scientists discover how cell walls guide stem cells

A new study found a hidden pattern inside plant stem cells, controlling the stiffness of their walls. This bimodal pattern prompts precise control over cell division and development. The researchers identified a key enzyme gene and a mechanism to regulate its activity, ensuring healthy plant growth.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Living in substandard housing linked to kids’ missed schooling and poor grades

Research published in the Journal of Epidemiology & Community Health found that children living in poor quality housing missed more school days and achieved worse test scores than their peers. Improving housing conditions, especially reducing damp and overcrowding, may have significant benefits for child health and school outcomes.

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.

Chronic breathlessness emerging as a hidden strain on hospitals

A new study reveals chronic breathlessness is associated with longer hospital stays and higher healthcare costs in Australia. The research highlights the urgent need for clinicians and policymakers to recognize chronic breathlessness as a major driver of hospital admissions and healthcare expenses.

Not everyone reads the room the same. A new study examines why.

A new study examines why some people excel at reading emotions from faces and context, while others struggle. The research finds that individuals use complex or simple strategies to weigh different types of information, with the latter being less cognitively demanding. This variation in integration strategies may contribute to differen...

Concurrent frailty + depression likely boost dementia risk in older people

A large international study of 220,947 participants found that concurrent physical frailty and depression significantly increase the risk of dementia. The interaction between these two factors contributes approximately 17% to the overall risk, while individual associations were found for frailty (2.5 times higher risk) and depression (...

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Harnessing the positive health benefits of microbes

Flinders University experts have built a world-first prototype open-access repository cataloguing microbes and natural compounds linked to positive health outcomes. The Database of Salutogenic Potential highlights the benefits of diverse environmental microbiomes and natural biochemical products in promoting health and resilience.

Exposing the most dangerous dams in the US

A new study uses radar technology to reveal crumbling dams across the US, threatening socially vulnerable communities. The research aims to create a country-wide database of unsafe dams, their flood risks, and impacted communities.

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.

These fossils were the perfect home for ancient baby bees

Researchers discovered fossilized bee nests in a Dominican Republic cave, containing pollen and matching modern bee nest structures. The nests, dated to around 20,000 years ago, were likely built by solitary bee species using saliva-dirt mixtures.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Roots reveal a hidden carbon pathway in maize plants

A new study reveals that maize roots can absorb CO2 from the soil atmosphere, contributing to plant biomass and challenging traditional views on carbon balances in croplands. The root system plays an active role in regulating carbon flows between soil, plants, and the atmosphere.

New crystallization and microgel technology advances biohybrid brain research

Researchers developed a breakthrough technology called Cellular RedOx Spreading Shield (CROSS) to deliver long-lasting antioxidant protection to stem cells, enabling the reliable production of high-quality extracellular vesicles. This innovation strengthens neuron-glia networks and promotes structural and functional connectivity among ...

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Category ‘6’ tropical cyclone hot spots are growing

Research finds that Category '6' tropical cyclones are increasingly common in hot spots such as the Western Pacific and North Atlantic, fueled by warmer subsurface water. Human-caused climate change is responsible for up to 70% of the growth of these storm-brewing hotspots.