Bluesky Facebook Reddit Email

Science News Archive April 2025


Page 45 of 51

Strain “trick” improves perovskite solar cells’ efficiency

Researchers at EPFL have developed a method to stabilize wide-bandgap perovskites using lattice strain, reducing energy losses and improving stability. This approach enables the incorporation of rubidium ions into the structure, resulting in increased efficiency and reduced photovoltage loss.

Researchers find intestinal immune cell prevents food allergies

A recent study published in Cell revealed that a specific intestinal immune cell prevents food allergies by breaking the threshold between friend and foe in the gut. Researchers at WashU Medicine identified this cell as RORγt+ dendritic cells, which maintain tolerance to harmless food allergens, preventing allergic reactions.

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.

Novel miniaturized anti-Spring MEMS Accelerometer with Enhanced Performance

Researchers developed a novel miniaturized anti-spring MEMS accelerometer that enhances performance while maintaining compact chip size. The innovation centers around a novel anti-spring mechanism featuring pre-shaped curved beams, which enables stiffness softening without requiring large bias forces or displacements.

Apple iPhone 17 Pro

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

New vaccine concept tackles harmful bacteria in the intestine

Researchers have developed an effective approach to tackle intestinal pathogens by administering oral vaccinations combined with harmless bacteria that starve out pathogenic microbes. This method has shown promising results in preventing colonization with salmonella and effectively tackling established E. coli bacteria.

Revealing capillaries and cells in living organs with ultrasound

A team of scientists has developed a new ultrasound technique called nonlinear sound sheet microscopy that images specifically labelled cells in 3D with ultrasound. This method allows for non-invasive imaging of whole organs and provides information about how cells behave in their natural environment.

How GPS helps older drivers stay on the roads

A new study published in PLOS Digital Health found that older drivers with GPS navigation systems tend to drive more frequently, suggesting these tools help maintain driving mobility. The research reveals that using GPS can alleviate spatial orientation difficulties and support older adults' independence on the roads.

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.

Reprogramming gut cells to treat small bowel syndrome

Researchers have successfully reprogrammed part of the large intestine to function like the nutrient-absorbing small intestine, reversing malnutrition in a preclinical study. The technique, which deletes the colon gene SATB2, restored nutrient absorption and improved survival rates in mice with short bowel syndrome.

Border region emergency medical services in migrant emergency care

A qualitative study reveals that migration has a complex influence on border-region emergency medical services, leading to more injuries and deaths. Increased federal funding is needed to support the work of local EMS clinicians, who are struggling with unsustainable strain.

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.

Solar wave squeezed Jupiter’s magnetic shield to unleash heat

Scientists detected a massive solar wind event from 2017 that compressed Jupiter's magnetosphere, creating a hot region spanning half the planet's circumference. The study reveals that solar bursts may significantly alter big planets' upper atmospheric dynamics, generating global winds and driving energy distribution.

Antibiotic resistance among key bacterial species plateaus over time

A study analyzing over 3 million bacterial samples found that antibiotic resistance initially rises but stabilizes over time, reaching an equilibrium in most species. The study suggests that continued increase in antibiotic resistance is not inevitable and provides new insights to monitor drug resistance.

Goethe University acquires two new DFG research groups

The university has approved two new research units: one focusing on power and abuse in the Roman Catholic Church, and another exploring premodern Christian diversity. These initiatives will intensify research on topics such as vulnerability, systemic conditions, and theological foundations of power imbalances.

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.

New method reveals how the brain and inner ear are formed

Researchers at Karolinska Institutet have developed a method to track the development of cells in the nervous system and inner ear. The technique, known as ectoderm barcoding, reveals that cells in the inner ear develop from two main types of stem cells.

Celestron NexStar 8SE Computerized Telescope

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

Resident physician intentions regarding unionization

A survey study found that most resident physicians are either in a union or support unionization due to pay and financial security concerns. The study suggests that future research should investigate other factors and the effectiveness of unionization in achieving its goals.

How microRNAs act as a “blueprint” for the developing brain

Scripps Research scientists discovered how microRNAs impact Purkinje cell development, shedding light on the intricate process required to build brain complexity. The team found that microRNAs are critical during two phases in Purkinje cell development, controlling precise timing of different aspects.

Carbon capture could become practical with scalable, affordable materials

Researchers at Northwestern University have developed new materials for direct air capture, making it cheaper and more scalable. The study found that certain materials, such as aluminum oxide and activated carbon, can capture CO2 efficiently, paving the way for more accessible carbon capture technologies.

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.

Achromatic metasurface waveguide: Pioneering a new era in AR displays

Researchers developed an innovative solution combining inverse-designed metasurface couplers and high-refractive-index waveguides to eliminate chromatic dispersion in AR displays. The single-layer design simplifies manufacturing while enhancing system performance, positioning it as a promising technology for next-generation AR devices.

Estrogen and progesterone stimulate the body to make opioids

Researchers discovered a mechanism that harnesses immune cells to produce opioids, potentially alleviating chronic pain. Estrogen and progesterone drive this process, which could lead to more effective treatments for women experiencing pain after menopause.

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.

A single dry winter decimated California’s salmon and trout populations

A single dry winter decimated California’s salmon and trout populations, with coho salmon disappearing entirely from three coastal watersheds. Chinook salmon were able to cope by shifting their breeding activities downstream, but steelhead trout were eliminated from numerous individual tributaries.

Finding their way: GPS ignites independence in older adult drivers

A UK study found that GPS navigation assistance is associated with increased driving mobility in older adults, particularly those with poor spatial abilities. The study suggests that integrating navigational assistance into strategies can help maintain driving independence.

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.

Solar cells made of moon dust could power future space exploration

Researchers created solar cells using simulated Moon dust, converting sunlight into energy efficiently and withstanding radiation damage. The new panels produced up to 100 times more energy than traditional solar panels, cutting launch mass by 99.4% and transport costs by 99%.

AI can recommend if you need to be screened for cancer

Researchers at George Mason University have developed AI models that can predict cancer risk with accuracy rates of up to 90% for certain types of cancer. These models can enable risk-based screening recommendations, increasing access to life-saving cancer detection for high-risk patients.

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.

‘Some insects are declining but what’s happening to the other 99%?’

A new approach is needed to monitor species and protect them from climate change, land use, pollution, and invasive non-native species. The study proposes a framework that integrates all available methods for studying insects, including comparing diversity and abundance over time and across different habitats.

Cognitive decline comes sooner for people with heart failure

A study of nearly 30,000 adults found that heart failure is associated with a significant decrease in cognition at diagnosis and rapid decline over time. Adults with heart failure reach the threshold for meaningful decline in global cognition nearly six years earlier than those without it.

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.

Some gut bacteria could make certain drugs less effective

A new study reveals that specific gut bacteria can break down certain drugs, altering their efficacy. The research found that 30 out of 127 tested drugs were heavily metabolized by human gut microbiota, potentially reducing their effectiveness. The study's findings could have significant implications for personalized medicine and drug ...

Meta Quest 3 512GB

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

Western diet causes inflammation, traditional African food protects

A study from Tanzania found that a Western diet can cause inflammation and reduce immune response, while an African diet rich in vegetables and fermented foods has positive effects on the immune system. The study suggests that short-term dietary changes can have long-lasting effects on health.

PEPITEM sequence shows effects in psoriasis, comparable to steroid cream

Researchers at the University of Birmingham have identified a three-amino acid sequence that reduces psoriasis severity, comparable to steroid cream. The study found that topical application resulted in a clear reduction in disease and was confirmed using Psoriasis Area and Severity Index scoring.

How researchers are shining a light on kidney disease

Researchers at Rutgers University have discovered a way to identify and track material carried by extracellular vesicles, which play a key role in the development of renal diseases like polycystic kidney disease. This breakthrough could lead to new therapies for patients with PKD, a common genetic disorder.

Printed skin to replace animal testing

Researchers from TU Graz and Vellore Institute of Technology have developed a 3D-printed skin imitation with living cells to test nanoparticles from cosmetics. The skin imitation mimics human skin's three-layer tissue structure and biomechanics, made possible by hydrogel formulations printed together with living cells.

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.

Electrochemical method supports nitrogen circular economy

Researchers developed an electrochemical approach to convert harmful nitric oxide emissions into high-purity nitric acid, reducing industrial nitrogen waste and promoting sustainable pollution mitigation. The process operates at near-ambient conditions with minimal infrastructure, offering economic and environmental benefits.