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Science News Archive February 2025


Page 10 of 44

Non-destructive image sensor goes beyond bulkiness

Researchers at Chuo University developed a non-destructive image sensor with a freely coatable and paintable design for functional photo-thermal modules. The new design enables the full utilization of photo-thermoelectric (PTE) sensors, overcoming trade-off trends between photo-absorptance values and Seebeck coefficients.

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.

Apple iPhone 17 Pro

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

At the origin of mega-magnetic stars

A new study reproduces the formation and evolution of a magnetar using numerical simulations, providing insights into their origin. The research supports the dynamo action theory, which suggests that magnetic fields are amplified through complex motions in proto-neutron stars.

The U-shaped relationship between admission peripheral oxygen saturation and all-cause hospital mortality in acute exacerbation of chronic obstructive pulmonary disease: a retrospective analysis using the MIMIC III database

A U-shaped relationship between admission peripheral oxygen saturation and all-cause hospital mortality was observed in patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD). The lowest mortality rate occurred at an SpO2 of 89.5%, indicating that lower oxygen levels are associated with increased risk.

Award-winning research may unlock universe’s origins

Ben Jones, a UTA physicist, has been recognized for his contributions to developing advanced instruments used in particle physics research. His work focuses on uncovering the origin of neutrino mass and sheds light on fundamental physics at extremely small scales.

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.

Beehive sensors offer hope in saving honeybee colonies

A new sensor-based technology allows for early warnings of hive temperature fluctuations, enabling beekeepers to take preventive action. The system has proven its effectiveness in detecting conditions requiring intervention, and further development is underway to create automated climate controls.

DNA origami suggests route to reusable, multifunctional biosensors

Researchers at Caltech developed a DNA origami-based approach to create reusable, multifunctional biosensors for quickly detecting proteins in bodily fluids. The system uses a lilypad-like structure with short DNA strands to bind to molecules of interest, allowing for the detection of larger molecules such as large proteins.

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.

Antidepressants linked to faster cognitive decline in dementia

A new observational study suggests that antidepressants can accelerate cognitive decline in people with dementia, while certain medications appear to be less harmful. Researchers analyzed data from 18,740 patients and found that selective serotonin reuptake inhibitors (SSRIs) were associated with the fastest cognitive decline.

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.

Novel cigarette pricing policy linked to decrease in sales in California city

A new study found that an Oakland law requiring cigarette prices to increase to a minimum of $8 per pack led to a 15-percent decrease in cigarette sales and a 25-percent decrease in lower-priced cigarettes. The policy may be particularly effective at curbing tobacco initiation among low-income individuals and youth.

B61-12 system production ends, sustainment begins

The last production unit of the B61-12 nuclear gravity bomb was completed in December, marking a significant milestone for the US nuclear deterrence program. The B61-12 program will continue to produce spare components until fiscal year 2026.

Heat-stressed reefs may benefit from coral-dwelling crabs

Researchers found that corals with crab tankmates experienced less tissue loss and rapid healing compared to uninjured or injured corals without crabs. The presence of algae increased tissue loss, while crabs removed it by pruning the coral's habitat.

Bioprocessing method yields high-value products alongside biofuels

Researchers developed a sustainable process to recover valuable products from oilcane bagasse, generating multiple product streams. The process recovers anthocyanins and vegetative lipids for natural colorants and biofuel production, making the process more cost-effective and sustainable.

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.

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.

Survey finds many Americans greatly overestimate primary care spending

A survey of 1,135 adults found that respondents believed 51.8% of overall health care spending goes to primary care, exceeding the actual share of 4.7%. This disparity highlights chronic underinvestment in primary care, resulting in workforce shortages and reduced access to high-quality care.

New paper-based device boosts HIV test accuracy from dried blood samples

Researchers at Tufts University have developed a paper-based device that accurately measures HIV viral loads from dried blood samples, outperforming industry standards. The device, called the plasma spot card, was tested on 75 South African patients and showed improved accuracy in detecting drug-resistant mutations.

Researchers advance RNA medical discovery decades ahead of schedule

NuFold, a computational solution developed by Purdue University researchers, uses machine learning techniques to predict the 3D structures of RNA from its sequence. This breakthrough has wide-ranging potential applications in understanding RNA mechanisms and drug development for diseases involving RNA.

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 guidelines proposed for ICU design

The Society of Critical Care Medicine (SCCM) has published new evidence-based guidelines for ICU design, emphasizing a patient- and family-centered approach. The recommendations aim to improve clinical practice, patient safety, and staff work environment.

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.

Innovative battery electrode made from tin foam

Researchers at HZB have developed a highly porous tin foam that can absorb mechanical stress during charging cycles, making it an interesting material for lithium batteries. The study showed that the morphology of the tin electrodes changes significantly due to inhomogeneous absorption of lithium ions.

Ancient beaches testify to long-ago ocean on Mars

A Chinese rover has detected underground beach deposits on Mars, indicating the presence of an ancient sea that covered a significant portion of the planet. The deposits, which date back 4 billion years, were formed through wave action and sediment distribution, suggesting a long-lived body of water.

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.

Origin and diversity of Hun Empire populations

Researchers analyzed DNA of 370 individuals from 800 years, revealing genetic ties between Huns and Xiongnu Empire. The study found a small but distinct set of individuals carrying East Asian genetic signatures, suggesting some Hun-period individuals in Europe traced their lineage back to late Xiongnu burials.

ESMO Targeted Anticancer Therapies Congress 2025: Event announcement

The ESMO Targeted Anticancer Therapies Congress 2025 features state-of-the-art presentations on new targets, tumour-agnostic drug development, and the role of artificial intelligence in cancer treatment. The congress also highlights recent study results and their potential impact on precision medicine.

Celestron NexStar 8SE Computerized Telescope

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

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.

New cancer vaccine method boosts potency and scope

Researchers at Tufts University have developed a cancer vaccine that amplifies the visibility of tumor antigens to the immune system, leading to potent responses and lasting immunological memory. The vaccine works against multiple solid tumors in animal models, including melanoma, triple-negative breast cancer, and ovarian cancer.

ETSU fossil site reveals giant flying squirrel

A giant flying squirrel, weighing around three pounds, once soared through the skies over Southern Appalachia, gliding above rhinos and mastodons. The finding confirms that these ancient creatures crossed the Bering Land Bridge alongside other mammals about 5 million years ago.

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.

Mobile app tracking blood pressure helps patients

A mobile app developed by Tufts researchers and partnered with two Ghanaian hospitals helped patients with high blood pressure reduce their readings and improve their overall health. The app, called AHOMKA, allowed patients to track their blood pressure at home and share the data with their doctors remotely.