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Science News Archive 2024


Page 55 of 484

Study identifies subtypes of fibroblasts in skin cancer

Researchers identified three subtypes of fibroblasts in skin cancer: myofibroblast-like RGS5+ CAFs, matrix CAFs (mCAFs), and immunomodulatory CAFs (iCAFs). The distribution of these subtypes varies with tumor aggressiveness. iCAFs produce signaling factors to activate immune cells, while mCAFs prevent T cell invasion.

New clinical study confirms the anti-obesity effects of kimchi

A recent clinical study confirms kimchi's ability to reduce body fat and improve gut health, with a notable 31.8% reduction in body fat among animal models. Additionally, human studies show a 15% reduction in BMI and 12% decrease in obesity incidence among middle-aged males.

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.

Seed slippage: Champati cha-cha

A team of physicists studied the unique motion of Champati seeds rolling down slopes, revealing a spread-out, then collapse-like behavior akin to rock avalanches. The research may provide valuable insights into geological flows and contribute to resolving challenges in this area.

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.

Special issue of Criminology & Public Policy examines gun violence

A recent special issue of Criminology & Public Policy explores the impact of legislative policies, criminal justice practices, and community-based efforts on gun violence. The studies featured in this issue aim to provide timely solutions to addressing this significant concern in the United States.

How cells get used to the familiar

Researchers found four molecular networks in ciliate and mammalian cells that exhibit hallmarks of habituation, suggesting single cells process and remember information over different time spans. This finding opens up new mysteries about how cells without brains manage complex behaviors.

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.

Apple iPhone 17 Pro

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

We could soon use AI to detect brain tumors

Researchers have trained AI models to distinguish brain tumors from healthy tissue using convolutional neural networks and transfer learning. The models achieved an average accuracy of 85.99% at detecting brain cancer, with the ability to generate images showing specific areas in its tumor-positive or negative classification.

Brain aging and Alzheimer's: Insights from non-human primates

A new review highlights the differences in brain aging and Alzheimer's disease between humans and non-human primates, revealing that primate brains are more resistant to aging-related damage. The study suggests that tau tangles play a critical role in Alzheimer's progression, challenging the amyloid cascade hypothesis.

Battery research with the HZB X-ray microscope

Scientists have investigated the degradation pathways of layered Li-rich oxide cathodes, revealing changes in morphology and structure with each charging cycle. The study provides valuable insights into the chemical processes involved in battery aging.

Groundwater pumping drives rapid sinking in California

A new study reveals that the San Joaquin Valley in California has been sinking at an average rate of nearly an inch per year between 2006 and 2022. The researchers estimate that the land sank by over 12 inches during the four-year gap in satellite data, highlighting the urgent need for mitigation strategies.

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.

Charged up safety: Hydrated salts shield batteries from thermal threats

A new composite phase change material composed of Na2SO4·10H2O and expanded graphite has been developed to regulate battery temperatures and mitigate thermal runaway risks. The material's dual-stage temperature control mechanism effectively manages LIB heat, reducing peak temperatures and delaying the onset of TR events.

The chilling sound of the Aztec death whistle

Researchers created digital reconstructions of Aztec death whistles and found they produce unique air turbulence, creating a chilling sound. Listeners perceived the whistle's sound as natural and organic, similar to human voices or screams, suggesting a symbolic association with mythological entities.

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.

Developing an antibody to combat age-related muscle atrophy

Researchers from Kyushu University have developed an antibody that targets and prevents the dysfunction of hepatocyte growth factor (HGF), a critical protein for skeletal muscle development, regeneration, and repair. The new antibody, 1H42F4N, blocked nitration of HGF and did not disrupt its activity.

Incorrect AI advice influences diagnostic decisions

A study published in Radiology found that radiologists and physicians who received local explanations from artificial intelligence (AI) systems performed better and made faster diagnoses than those who received global explanations. The researchers also found that AI advice was trusted more quickly when it provided local explanations.

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.

Bioeconomy in Colombia: The race to save Colombia's vital shellfish

Piangua populations are experiencing a significant loss of genetic diversity due to intense harvesting, reducing their ability to adapt to environmental challenges. The study reveals subtle genetic variations among local populations, highlighting the need for targeted conservation strategies.

The impact of misinformation on Spanish-language social media platforms

A recent study surveyed over 1,000 English-dominant, bilingual, and Spanish-dominant Latino users of Facebook and Instagram in the US. Latinos who use Spanish-language social media for news were found to be more susceptible to false political narratives, with a 11 percentage point increase in belief in these claims.

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.

Quasi-convolution coding empowers streamlined reservoir computer

Researchers propose quasi-convolution coding to simplify reservoir computer design, enhancing memory capacity and reducing complexity. The approach leverages dual polarization modes of commercial lasers, offering a feasible strategy for constructing integrated deep RC systems.

UTEP researchers partner with Bhutanese scientists to study glacial flooding

Geology researchers from UTEP are partnering with Bhutanese scientists to better understand and mitigate the impact of glacial floods on rural mountain villages. The project aims to use geophysical methods to identify changes in water levels and sediment transport, potentially helping vulnerable villages create early warning systems.

Fluke 87V Industrial Digital Multimeter

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

New study investigates how jetlag can disrupt our metabolism

A new study by University of Surrey and University of Aberdeen researchers found that jetlag impacts metabolism, causing reduced energy spent processing meals and changes in blood sugar and fat levels. The metabolic effects are temporary, recovering within 2-3 days, while impairment of sleep and alertness takes longer to recover.

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.

How flood risk affects home values

Researchers found a 10.8% price discount in the AEP 100 flood zone and a 4.4% discount in the AEP 500 flood zone, highlighting the financial burden of flood risk on homebuyers. The study emphasizes the need for policymakers to safeguard communities and manage real estate markets as climate patterns intensify.

Researchers discover new cognitive blueprint for making and breaking habits

A new framework describes the balance between automatic responses and goal-directed control in habit formation. This imbalance can lead to everyday action slips and compulsive behaviors. The research provides a 'playbook' for behavior change, including strategies like implementation intentions and clinical interventions.

Cardiovascular drugs may reduce dementia risk

A new study from Karolinska Institutet found that long-term use of common cardiovascular drugs is associated with a lower risk of dementia. The study, which analyzed data from over 880,000 people, shows that these medications can reduce dementia risk by 4-25%.

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.

High cardiorespiratory fitness linked to lower risk of dementia

A study of 61,214 dementia-free individuals found that high cardiorespiratory fitness was associated with better cognitive performance and a lower risk of dementia. The findings suggest that enhancing cardiorespiratory fitness could be a strategy for preventing dementia in people with a genetic predisposition.

Content moderators are influenced by online misinformation

Repeated exposure to online lies can lead content moderators to believe false claims, as demonstrated by the illusory truth effect. The study suggests that this phenomenon is not limited to Western populations, which may lead to decreased effectiveness among content moderators over time.

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.

Climate change exposure associated with increased emergency imaging

A 10-year study found that short-term exposure to heat and air pollution was associated with an increase in medical imaging exams, particularly for chest, neuro, and musculoskeletal imaging. High temperatures had a greater impact on X-ray utilization, while high particulate matter levels were linked to increased CT scans.

The time of day when we eat is crucial for our health

A recent study published in Nutrition & Diabetes found that consuming over 45% of daily calorie intake after 5 p.m. is associated with increased glucose levels, regardless of individual weight or body fat composition. This can lead to a higher risk of type 2 diabetes, cardiovascular disease, and chronic inflammation.

A new strategy to enhance gene therapy for sickle cell disease

Researchers developed a novel lentivirus-based gene therapy strategy in CD34+ hematopoietic progenitor cells, which showed therapeutic levels of expression of the anti-sickling beta globin protein. Cyclosporin improved transduction efficiency and preserved cell viability.

Meta Quest 3 512GB

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

Spinning fusion fuel for efficiency

A new approach could overcome major barriers to practical fusion energy production by adjusting fuel properties using spin polarization. This method could increase tritium burn efficiency, reducing the amount needed and lowering operating costs.

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.