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Science News Archive April 2025 - Page 46


Page 46 of 51

Older teens who start vaping post-high school risk rapid progress to frequent use

A new study found that young vapers who begin using e-cigarettes after graduating from high school tend to progress rapidly to frequent use, reaching it in about one year. This 'late initiation/rapid progression' group showed swift increases in vaping frequency and e-cigarette dependence compared to other groups.

SourceSociety for the Study of Addiction·JournalAddiction·TypeObservational study·DateApr 3, 2025

Corpse flowers are threatened by spotty recordkeeping

A study by Northwestern University scientists found that incomplete historical records have led to low genetic diversity and population decline among corpse flowers. The lack of standardized data makes it challenging for conservationists to make informed decisions about breeding, resulting in a high percentage of cloned plants.

SourceNorthwestern University·JournalAnnals of Botany·DateApr 3, 2025
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.

Riding the AI wave toward rapid, precise ocean simulations

Researchers developed a machine learning-powered fluid simulation model that significantly reduces computation time without compromising accuracy. The new surrogate model maintains the same level of accuracy as traditional particle-based simulations while reducing computation time from approximately 45 minutes to just three minutes.

SourceOsaka Metropolitan University·JournalApplied Ocean Research·TypeComputational simulation/modeling·DateApr 3, 2025

A new path to understanding black holes

Physicists have discovered a new theoretical framework called supermazes that redefine the concept of black holes, providing a more universal picture of their microstructure. Supermazes are based on string theory and offer a detailed portrait of the microscopic structure of brane black holes.

SourceUniversity of Southern California·JournalJournal of High Energy Physics·TypeComputational simulation/modeling·DateApr 2, 2025

Tropical forests aren’t keeping pace with climate change

A major new study reveals that tropical forests across the Americas are not adapting quickly enough to climate change. The study found that tree communities are responding too slowly to shifting temperatures and rainfall patterns, making them more vulnerable to extreme climate events.

SourceUniversity of Adelaide·JournalScience·DateApr 2, 2025
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.

Recover chaos for secure communications

A recent study overcomes challenges of turbulence in free-space optical links by using a multi-aperture system combined with a photonic chip. This allows for the recovery of chaotic signals even under harsh turbulence conditions. The technology mimics a smart eye to capture light from several angles and reconfigure it into a clear signal.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateApr 2, 2025

Researchers teach LLMs to solve complex planning challenges

A new framework developed by MIT researchers allows large language models (LLMs) to break down complex planning problems into manageable parts and find optimal solutions using software optimization tools. The framework achieves an 85% success rate on nine complex challenges, outperforming the best baseline.

SourceMassachusetts Institute of Technology·DateApr 2, 2025
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Multiple defects renovation and phase reconstruction of reduced-dimensional perovskites via in situ chlorination for efficient deep-blue (454 nm) light-emitting diodes

A new method using in situ chlorination post-treatment has been proposed to renovate both deep-state and shallow-state defects in quasi-2D perovskites, significantly enhancing their optoelectronic performance. The resulting deep-blue light-emitting diodes achieved an external quantum efficiency of 6.17%.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateApr 2, 2025

Innovative CO2 adsorbent shows promise for greener future

A novel adsorbent captures carbon dioxide from ambient air more efficiently, addressing a key challenge in direct air capture technology. The study demonstrates improved stability and thermal resistance over multiple cycles, paving the way for practical applications.

SourceHigher Education Press·JournalFrontiers of Chemical Science and Engineering·TypeExperimental study·DateApr 2, 2025

Study finds one in five US adults use multiple drugs, revealing new patterns in substance use

A recent US study found that nearly one in five adults have used multiple drugs in the past year, revealing new patterns in substance use. The study identified four distinct patterns of drug use among prescription, recreational, and illegal users, highlighting the need for tailored prevention and treatment strategies.

SourceUniversity of Colorado Anschutz Medical Campus·JournalAmerican Journal of Public Health·DateApr 2, 2025

Breakthrough in metamaterial electromagnetic response: Debye relaxation mechanism

Researchers introduce Debye relaxation into metamaterials, bridging the gap between dielectric physics and electromagnetic response. This breakthrough enables broadband dispersion control, expanding potential applications in artificial material design.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateApr 2, 2025
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.

New insights into catalytic processes could lead to more efficient fuel production

A groundbreaking study has shed new light on the dynamics of methanol within copper-loaded zeolites, offering promising insights into the development of more efficient and sustainable catalytic processes. The findings could pave the way for advancements in producing cleaner fuels and chemical transformations.

SourceHigher Education Press·JournalFrontiers of Chemical Science and Engineering·TypeExperimental study·DateApr 2, 2025

Runaway battery improves safety

Researchers at the University of Tokyo have developed a simple and cost-effective method to test lithium-ion battery safety, enabling researchers to quickly screen battery effects on safety factors such as materials, design, storage conditions, and degradation. The innovative method uses miniaturized batteries that are intentionally un...

SourceUniversity of Tokyo·JournalNature Energy·TypeExperimental study·DateApr 2, 2025
Fluke 87V Industrial Digital Multimeter

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

Assessing the long-term care risk in older adults through body composition metrics

Researchers calculated two indicators from body composition data to examine the relationship between muscle quality and long-term care need. People with low phase angles and extracellular to intracellular water resistance ratios were found to be at high risk of becoming dependent, especially when values fell below median thresholds.

SourceUniversity of Tsukuba·JournalNutrition·DateApr 2, 2025

Microtubule mysteries revealed

Researchers used NSF-funded Frontera supercomputer to model microtubule tips, revealing new behavior and key differences in structures depending on GTP or GDP binding. This basic research could aid in understanding neurodegenerative diseases like Alzheimer's and Parkinson's as well as design cancer drugs.

SourceUniversity of Texas at Austin·JournalBiophysical Journal·TypeComputational simulation/modeling·DateApr 2, 2025

Children exposed to higher ozone levels early in life are more likely to develop asthma

A recent study published in JAMA Network Open has found a possible link between higher ozone levels in early childhood and an increased risk of developing asthma. Children exposed to higher ozone levels in their first two years of life were significantly more likely to be diagnosed with asthma or wheezing at ages 4-6, but not at ages 8-9.

SourceUniversity of Washington·JournalJAMA Network Open·TypeData/statistical analysis·DateApr 2, 2025
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.

Virus infects cells with a protective cloaking mechanism

Researchers have discovered a protective cloaking mechanism in jumbo phages that shield their genetic material from the host's immune system. This innovation could lead to new therapies for antibiotic-resistant infections.

SourceUniversity of California - San Diego·JournalCell Host & Microbe·TypeObservational study·DateApr 2, 2025

An answer to green energy in hydrogen-generating marine microbes

Researchers found two new types of gene clusters capable of producing large volumes of hydrogen in marine bacteria. The study suggests that the diversity in these clusters is related to speciation and ecological niches, with some species producing higher levels of hydrogen than others.

SourceHokkaido University·JournalCurrent Microbiology·TypeExperimental study·DateApr 2, 2025

Are lifetimes of big appliances really shrinking?

The study found that product lifetimes for large appliances in Norwegian households remained relatively consistent over the decades, except for washing machines and ovens. Washing machine lifetimes decreased by 45% due to increased laundry cycles, while oven lifetimes decreased by 39% likely due to renovation trends and changing kitche...

SourceNorwegian University of Science and Technology·JournalJournal of Industrial Ecology·TypeLiterature review·DateApr 2, 2025

Pink skies

Scientists at ISTA create a new brain organoid model that incorporates microglia to study viral infections, such as Rubella, and test the effectiveness of ibuprofen. The results show that microglia play a crucial role in inflammatory reactions and that ibuprofen exerts its protective effects by inhibiting two inflammatory enzymes.

SourceInstitute of Science and Technology Austria·JournalJournal of Neuroinflammation·TypeExperimental study·DateApr 2, 2025
Apple iPhone 17 Pro

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

Monkeys are world’s best yodellers - new research

Researchers discovered how monkeys produce 'voice breaks' and 'ultra-yodels' using their vocal membranes, which allow for a wider range of calls. These unique vocalizations enable monkeys to communicate in different ways, particularly in complex social lives.

SourceAnglia Ruskin University·JournalPhilosophical Transactions of the Royal Society B Biological Sciences·DateApr 2, 2025

Key differences between visual- and memory-led Alzheimer’s discovered

A new study by UCL researchers found that people with visual Alzheimer's disease have a unique distribution of proteins and markers in their brain, leading to symptoms such as reading difficulties. In contrast, those with memory-led Alzheimer's disease have different protein patterns, resulting in symptoms like memory loss.

SourceUniversity College London·TypeObservational study·DateApr 2, 2025

New research shows that propaganda is on the rise in China

Researchers at the University of Oregon discovered that propaganda campaigns are increasingly used to control and constrain information in China, including natural disaster and public health reporting. On average, at least one front-page article in party newspapers is planted by the state, growing fourfold over a decade.

SourceUniversity of Oregon·JournalProceedings of the National Academy of Sciences·DateApr 2, 2025
Meta Quest 3 512GB

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

Study identifies brain areas that influence political intensity

Researchers have identified specific brain structures that regulate political passion, finding damage to the prefrontal cortex increases intensity and amygdala decrease it. The study suggests emotion plays a role in shaping expressed political beliefs rather than determining ideology.

SourceNorthwestern University·JournalBrain·DateApr 2, 2025

How Florida’s Guardian ad Litems build trust, bond with youth in foster care

A study explored how GALs form relationships with youth and the role of training in this process. Findings highlight the critical role of trust and suggest that enhanced training programs, including trauma-informed care and advanced communication skills, can empower GALs to build meaningful connections.

SourceFlorida Atlantic University·JournalJournal of Child and Family Studies·TypeSurvey·DateApr 2, 2025
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Life work, not homework

A new report by the University of Tennessee Institute of Agriculture recommends strengthening Tennessee's financial education requirement for high school students. The study suggests that increasing the instructional time devoted to personal finance in the curriculum and recommending full-credit courses would be beneficial. Additionall...

SourceUniversity of Tennessee Institute of Agriculture·DateApr 2, 2025

Unexpected protein structure may lead to new cancer treatments

A University of Iowa-led study has revealed the unexpected structure adopted by the DNA repair protein RAD52 as it binds and protects replicating DNA in dividing cells. This understanding may help researchers develop new anti-cancer drugs targeting RAD52.

SourceUniversity of Iowa Health Care·JournalNature·TypeExperimental study·DateApr 2, 2025

Researchers reveal key brain differences to explain why Ritalin helps improve focus in some more than others

Research suggests that individual differences in brain chemistry, particularly the balance of dopamine receptors, play a crucial role in determining who benefits from Ritalin. Study participants with higher D1-to-D2 receptor ratios performed better on memory tasks and showed improved cognitive performance when taking Ritalin.

SourceUniversity of Maryland School of Medicine·JournalProceedings of the National Academy of Sciences·TypeRandomized controlled/clinical trial·DateApr 2, 2025

Novel genes linked to rare childhood diarrhea

Researchers at SickKids identified three new genes associated with rare childhood diarrhea, providing a diagnosis for 48% of cases. The study found that genetic testing and targeted treatments can improve the quality of life for children like Sophie, who was diagnosed with CODE at just two days old.

SourceThe Hospital for Sick Children·JournalNew England Journal of Medicine·DateApr 2, 2025
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.

Turning wood waste into metal alternative

A research project at the University of Tennessee is developing a method to turn mixed wood waste into a densified material with high strength and toughness. The approach involves removing lignin and compressing the wood, resulting in a substance comparable to steel.

SourceUniversity of Tennessee at Knoxville·DateApr 2, 2025

How this tiny snake could change our view of genetics

Researchers at UTA uncovered how the flowerpot snake repairs its DNA and prevents harmful mutations, shedding light on genetic repair mechanisms that could deepen our understanding of human gene evolution. The study also reveals surprising findings about reproductive strategies and immune-related genes in reptiles.

SourceUniversity of Texas at Arlington·JournalScience Advances·TypeObservational study·DateApr 2, 2025

Novel point-of-care technology delivers accurate HIV results in minutes

A new point-of-care technology developed by Northwestern University scientists can detect multiple HIV antigens at high sensitivity in a matter of minutes. The technology uses a nanomechanical platform and tiny cantilevers to measure the binding of p24 antigens to surface antibodies, demonstrating high specificity.

SourceNorthwestern University·JournalBiosensors and Bioelectronics·DateApr 2, 2025

Hunga volcano eruption cooled, rather than warmed, the Southern Hemisphere

A new UCLA-led study reveals that the Hunga Tonga-Hunga Haʻapai volcano eruption in 2022 actually cooled the Southern Hemisphere by 0.1 C due to the formation of smaller sulfate aerosols. This effect was more significant than initially thought and challenges geoengineering efforts to combat climate change.

SourceUniversity of California - Los Angeles·JournalNature Communications·DateApr 2, 2025

Study finds nearly five-fold increase in hospitalizations for common cause of stroke

A new study published by the American Academy of Neurology has found a nearly five-fold increase in U.S. hospitalizations for cervical artery dissection between 2005 and 2019. The study, which analyzed 125,102 hospitalizations, found that rates rose steadily year-over-year, with significant increases among certain racial groups.

SourceAmerican Academy of Neurology·JournalNeurology·DateApr 2, 2025
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.

NYC speed cameras take six months to change driver behavior, effects vary by neighborhood, new study reveals

The study tracked over 1,800 cameras across school zones from 2019 to 2021 and found that most cameras achieve their safety purpose within six months. Effectiveness patterns vary geographically across the city, with some areas experiencing a significant reduction in speeding behaviors, while others show marginal impact.

SourceNYU Tandon School of Engineering·JournalTransportation Research Interdisciplinary Perspectives·TypeData/statistical analysis·DateApr 2, 2025

% weight loss targets in obesity management – is this the wrong objective?

A new review of studies on percentage weight-based targets in obesity interventions found that these targets often result in a 'success or failure' outcome, leaving little room for improvement in obesity-related complications, quality of life, and overall physical and social functioning. The study recommends shifting focus towards more...

SourceEuropean Association for the Study of Obesity·DateApr 2, 2025

Southern Ocean warming will mean a wetter West Coast

A Cornell University-led study predicts long-term increases in precipitation over East Asia and the Western U.S. as the Southern Ocean warms, regardless of climate mitigation efforts. The research suggests that accounting for cloud feedbacks in climate models can help explain uncertainties and improve predictions.

SourceCornell University·JournalNature Geoscience·DateApr 2, 2025
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.

An app can change how you see yourself at work

A study from the University of California, Riverside, found that a smartphone app can subtly reshape a person's self-image at work. The app, called MindTAPP, uses associative conditioning to pair users with positive affirmations, leading to more favorable views of their workplace abilities and a heightened sense of self-efficacy.

SourceUniversity of California - Riverside·JournalComputers in Human Behavior Reports·DateApr 2, 2025

In pancreatic cancer, a race against time

Scientists have found a way to effectively 'intercept' pancreatic cancer by targeting the KRAS and FGFR2 genes. This approach slows tumor formation and reduces the number of 'early versions' of cancer in the pancreas. Researchers believe this therapy could be a game-changer for patients with a family history of pancreatic cancer.

SourceCold Spring Harbor Laboratory·JournalCancer Research·DateApr 2, 2025
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Migraine sufferers’ brains respond differently to visual stimulation

A study found that people with migraines and other headaches have increased levels of visual cortex excitability compared to healthy individuals. This indicates that existing medications targeting visual cortex excitability may be useful for this population.

SourceUniversity of Connecticut·JournalRestorative Neurology and Neuroscience·TypeObservational study·DateApr 2, 2025

McGill discovery sheds new light on autism, intellectual disabilities

A new study by McGill University researchers sheds light on the disruption of calcium transport in the brain's AMPA receptors, linking it to autism and intellectual disability. The findings could pave the way for treatments targeting these receptors, offering hope for patients with related neurological disorders.

SourceMcGill University·JournalNature·TypeExperimental study·DateApr 2, 2025
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.