Bluesky Facebook Reddit Email

Science News Archive November 2025


Page 41 of 47

Menstrual health education and programs must reach all young adolescents

Researchers emphasize that menstrual health education is essential for young adolescents globally, with a focus on menarche and puberty education. The authors highlight the need for strengthening national and regional monitoring of menstrual health to address the critical underprioritization of this issue.

Engineering defects could transform the future of nanomaterials

Materials scientists at the University of Minnesota have discovered a way to control tiny 'flaws' inside ultra-thin materials, giving them new properties. The study found that patterned regions can achieve up to 1,000 times higher density of extended defects than unpatterned areas.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Double disadvantage hurts more than twice as much

A new study from the Complexity Science Hub finds that belonging to more than one marginalized group can significantly harder forming social connections. The researchers developed a mathematical model and tested it using friendship data from around 40,000 U.S. high school students, revealing how overlapping disadvantages can interact.

Ageing stars may be destroying their closest planets

Astronomers at UCL and the University of Warwick discovered that aging stars are destroying giant planets orbiting closest to them. The researchers analyzed nearly half a million stars and found that planets were less likely to occur around stars that had expanded and cooled enough to be classed as red giants.

Fluke 87V Industrial Digital Multimeter

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

Data integration is the key to understanding Asia-pacific marine change

A new perspective on Asia-pacific marine ecosystems proposes integrating physical oceanography, environmental genomics, and ecological observations to enhance biodiversity monitoring. This approach aims to strengthen international collaboration and protect the region's most diverse marine life.

Chasing and splashing create resilient order

Scientists at MPI-DS found that non-reciprocal interactions create stable and ordered structures through chasing dynamics, even with added noise and fluid interactions. This discovery reveals the core role of non-reciprocal interactions in primitive self-organization and living systems.

Milestone in mapping the brain’s nerve fibre labyrinth

Scientists from Delft University of Technology and other institutions developed a new technique called ComSLI that enables precise fibre mapping in paraffin wax-treated brain slices. This breakthrough allows for the analysis of large nerve fibre networks, shedding light on brain diseases such as Alzheimer's and Parkinson's.

Built to heal, born to vanish: the promise of iron-manganese alloys in bone healing

Researchers have identified iron-manganese alloys as promising candidates for temporary bone fixation. These alloys combine strength, biocompatibility, and degradation properties, allowing them to support bone healing while degrading naturally. However, challenges remain, including controlling the release of manganese, which can pose t...

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.

Are we ready for robot caregivers? The answer is a cautious “yes, if...”

A survey of 4,890 participants found that people are open to using home-care robots as long as they view them beneficially. Collaboration between users and developers is crucial for adoption, with emphasis on ethical considerations. Robots may play a significant role in addressing Japan's aging population and social healthcare challenges.

Epigenetic aging linked to cognitive decline in Hispanic/Latino adults

A new study found that faster biological aging measured by DNA-based epigenetic clocks is associated with greater cognitive decline and higher risk of mild cognitive impairment in Hispanic/Latino adults. The study highlights the potential of epigenetic clocks to track changes in brain health over time.

‘Forever’ chemicals found in B.C. sea otters

Researchers at the University of British Columbia have identified eight per- and polyfluoroalkyl substances (PFAS) in B.C. sea otters, with concentrations three times higher on average in otters near major cities and shipping routes. This proximity effect highlights the need for government regulation to prevent PFAS spread.

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.

UBCO researchers apply body preservation technique to wood

Researchers test plastination on Western red cedar to create a strong and durable composite material, reducing water absorption by nearly 60% and increasing surface hydrophobicity. The technique offers a powerful alternative to traditional wood preservatives without compromising environmental performance.

Fireworks cause stress and disruption to corvids

A new study by Anglia Ruskin University found that firework displays trigger erratic flight patterns, abandoned roosting sites, and gathered in unusual locations among corvids. The study highlights the prolonged stress and disruption caused by firework noise and light pollution.

Apple iPhone 17 Pro

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

California surface water costs triple during drought

A new University of California, Davis study finds that drought in California pushes the price of water from rivers, lakes, and reservoirs up by $487 per acre-foot, more than triple the cost during an average wet year. Managing groundwater and surface water together could keep water prices steady and support the state's economy.

Attosecond plasma lens

Scientists at Max Born Institute and DESY develop a plasma lens that focuses attosecond pulses, improving the study of ultrafast electron dynamics. The technique offers high transmission rates and allows for focusing light across different colors.

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.

Student motivation may shape study habits, grades

A University of Georgia study found that students who focus on personal growth and mastering the material tend to use deeper learning strategies and earn better grades. Instructors can help by creating opportunities for self-reflection and problem-solving tasks.

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.

Princeton’s new quantum chip built for scale

The Princeton team designed a new qubit that lasts over 1 millisecond, three times longer than the best ever reported in a lab setting. This breakthrough enables efficient error correction and scalability for industrial systems, marking the largest single advance in coherence time in over a decade.

Brain pathway may fuel both aggression, self-harm

A recent study by Sora Shin has identified a shared brain circuit that contributes to both aggression and self-harm in individuals with a history of early-life trauma. The research found that pain, including emotional pain, can serve as a gateway for these behaviors to emerge.

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.

MIT study finds targets for a new tuberculosis vaccine

Researchers at MIT have identified possible antigens for a new TB vaccine, stimulating a strong immune response in T cells. The study reveals 27 TB peptides that appear most often on infected cell surfaces and elicit a T cell response in at least some samples.

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.

Laser-drawn graphene metasurface turns electromagnetic waves on and off

A novel laser-induced graphene-based strategy has been demonstrated for direct 'drawing' of highly precise, patterned electromagnetic metasurfaces. The metasurface exhibits excellent switching behavior across various frequency bands, enabling rapid switching between wave transmission and shielding.

ITU at COP30: Driving Green Digital Action for a sustainable future

The ITU delegation will work with governments and private-sector leaders to leverage digital transformation as a catalyst for climate solutions. The Green Digital Action initiative aims to address the sector's environmental impact through practical tools and tangible results.

Ancient viral DNA shapes modern human placentas

Researchers have discovered how ancient viral DNA influences placenta development and pre-eclampsia, a life-threatening pregnancy disorder. The study identified a gene, EPS8L1, that is overexpressed in placentas from women with pre-eclampsia, providing potential biomarker for early detection.

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.

Stanford Medicine researchers create simple method for viewing microscopic fibers

Researchers have developed a low-cost approach, called ComSLI, that can visualize the orientation and organization of tissue fibers at micrometer resolution. This enables detailed mapping of neural pathways and fiber appearances in various tissues, including brain samples from patients with neurological disorders like Alzheimer's disease.

SPRTA: a smarter way to measure evolution uncertainty

Researchers at EMBL-EBI developed SPRTA, an interpretable and efficient way to score the reliability of each branch in a phylogenetic tree. This method enables fast and reliable understanding of virus strain evolution, informing better decisions during outbreaks.

What should countries do with their nuclear waste?

A new study by MIT researchers and their collaborators at national laboratories quantifies I-129 release under three different scenarios: direct disposal in deep underground repositories, dilution and release, and filters to capture I-129. France's practice of reprocessing releases 90% of I-129 into the biosphere, while U.S. approach l...

Celestron NexStar 8SE Computerized Telescope

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

New approach expands possibilities for studying viruses in the environment

A new method enables scientists to read the genomes of individual cells and viral particles in the environment more quickly and efficiently. The approach, known as environmental microcompartment genomics, increases throughput by an order of magnitude and provides unique insights into the diverse world of marine viruses.

Common antibiotic may reduce schizophrenia risk, study shows

A study published in the American Journal of Psychiatry found that adolescents treated with doxycycline had a lower risk of developing schizophrenia. The researchers hypothesize that doxycycline's impact on inflammation and brain development may be responsible for this protective effect.

The chilling effect of air pollution

A new study shows that reducing air pollution has decreased the brightness of marine clouds, leading to accelerated warming. Scientists attribute 70% of this change to aerosols, and researchers are exploring ways to make clouds shinier without polluting the air.

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.

Ice Age trees helped stabilize Earth's atmosphere by suffocating

A new study found that as temperature and CO2 levels dropped, trees increased their photorespiration, a process akin to labored breathing for plants. This led to an increase in CO2 release into the atmosphere, potentially keeping the climate habitable for plants.

New therapeutic brain implants defy the need for surgery

Researchers at MIT developed microscopic, wireless bioelectronics that can identify and travel to specific brain regions without human guidance. These implants provide focused treatment for brain diseases like Alzheimer's and multiple sclerosis by wirelessly powering electrical stimulation in precise areas.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Bowel cancer's "Big Bang" moment revealed

Researchers found that bowel cancer cells can escape the immune system through epigenetic changes, leading to limited changes in how the cancer presents itself. This understanding could lead to targeted and effective treatments for patients with bowel cancer, particularly those who respond well to immunotherapy.