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Science News Archive March 2025


Page 19 of 51

Potential treatment for chronic kidney disease in dogs revealed

A new study suggests that paricalcitol may help manage chronic kidney disease (CKD) in dogs by reducing renal secondary hyperparathyroidism and proteinuria. The treatment showed promise in stabilizing proteinuria, but raised questions about potential long-term effects on CKD progression.

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.

AI-powered mammograms: a new window into heart health

A deep learning model analyzes breast arterial calcification and translates results into a cardiovascular risk score, helping identify patients at higher risk of heart disease. The tool is particularly useful for younger women, who can benefit from early interventions.

Starting points for the control of protein synthesis

Bonn researchers have compiled a comprehensive toolbox to characterize IRESes, involving circular RNA reporters and quantitative staining techniques. This enables the direct characterization of IRES-mediated activity in cultured cells and embryo tissue.

Discrimination in the application process? It depends

A study by social psychologist Melanie Steffens found that high qualifications can overcome negative stereotypes, but even small amounts of additional information can activate biases. Researchers also discovered that certain groups, such as Turkish women, are more likely to be excluded from job opportunities due to stereotypes.

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.

How a Y chromosome gene may shape the course of heart valve disease

Researchers identified a Y chromosome-linked gene, UTY, as a key driver of valve calcification in males. In females, fibrotic tissue formation stiffens the valve, leading to different disease progression. The study highlights the importance of sex-based mechanisms in heart valve disease

Xylazine detected in U.S.-Mexico border drug supply, study finds

Researchers have confirmed the presence of xylazine in Tijuana's illicit drug supply, posing severe health risks due to sedation, withdrawal syndromes, skin infections, and wounds. The study highlights the need for public health intervention and expanded surveillance to mitigate the spread of xylazine in the region.

Prevalence and severity of astigmatism in children after COVID-19

A new study published in JAMA Ophthalmology found that lifestyle changes after COVID-19 were associated with an increase in the prevalence and severity of child astigmatisms. The potential impact of higher degrees of astigmatism may warrant dedicated efforts to elucidate the relationship between environmental and/or lifestyle factors.

Apple iPhone 17 Pro

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

Gut journal study explores the emerging field of liver vasomics

A recent Gut journal study defines Vasomics as a novel research discipline utilizing multimodal imaging techniques and computational pathology to analyze the pathophysiology of liver diseases. The study categorizes existing hepatic vascular phenotypes into five major types, providing new insights into potential therapeutic targets.

Part of the genetic risk for schizophrenia acts through the placenta

Research reveals that placental DNA methylation influences expression of genes associated with psychiatric disorders, suggesting genetic risk manifests during prenatal stage. The study identifies schizophrenia, bipolar disorder, and major depression disorder as most strongly linked conditions.

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.

Majority of carbon sequestered on land is locked in nonliving carbon reservoirs

A new study finds that the majority of carbon dioxide absorbed by ecosystems is stored in dead plant material, soils, and sediments. This discovery suggests that terrestrial carbon stocks are more resilient and stable than previously thought, with most carbon sequestered over the last three decades stored in nonliving organic matter.

Cracking the code of pistachio genetics

The study provides a comprehensive genetic map of the pistachio genome, allowing for the creation of better-nutrition varieties. The research also identifies four key stages of nut growth from flower to harvest, providing insights into shell hardening and kernel growth.

Could the layout of trees impact human health?

Researchers found that large, contiguous areas of well-networked tree canopies lower mortality risk in densely developed cities. Compact, geometrically simple areas of tree canopy also show a positive effect on health. The study suggests that connecting isolated green spaces and promoting biodiversity can support human health.

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.

From dinosaurs to birds: the origins of feather formation

Researchers have discovered that a specific gene pathway is crucial for feather formation, dating back to the origins of proto-feathers in dinosaurs. The study provides insights into how genetic interactions evolved to allow for the emergence of complex structures like feathers.

Researchers discover Achilles heel of Lyme disease pathogen

A team of researchers discovered that lactate dehydrogenase (BbLDH) is essential for Borrelia burgdorferi growth and infectivity. As a unique biochemical feature, BbLDH can be targeted to develop genus-specific inhibitors for Lyme disease treatment.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Why do lymphatic vessels form a jigsaw puzzle–like pattern?

Researchers have found that the unique shape of lymphatic vessel endothelial cells allows for efficient absorption and transport of fluids while withstanding sudden changes in tissue fluid volume. This distinctive cell shape is also seen in plant leaves, where it helps support structural stability.

Most of the carbon sequestered on land is stored in soil and water

Recent studies have shown that most of the terrestrial carbon accumulation occurs in non-living pools, such as soil organic matter and bodies of water. The research team found that around 35 gigatonnes of carbon were sequestered on land between 1992 and 2019, with a 30% increase over the last decade.

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.

Restored stream supports new wild salmon run

Researchers confirm that some returning salmon to Putah Creek are born there, marking a significant finding for restored streams worldwide. The study's results show that restored waterways can help restore and even create salmon runs.

Mountain uplift and dynamic topography shapes biodiversity over deep time

Research reveals that mountain uplift and dynamic topography significantly shape biodiversity over geological timescales. By simulating millions of years of tectonic uplift, scientists found a direct link between species richness and the magnitude and pace of mountain building, with topographic relief stabilizing species equilibrium.

Novel memristors to overcome AI’s "catastrophic forgetting"

Researchers have introduced novel memristive components that offer significant advantages over previous versions, including increased robustness and functionality. These properties could help address the problem of catastrophic forgetting in artificial neural networks.

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.

Detecting glucose through painless photoacoustics

Researchers at Indian Institute of Science use polarized light to measure glucose concentration with near clinical accuracy in water, serum solutions and tissue samples. The technique exploits the interaction between glucose molecules and polarized light to create unique sound wave patterns.

Tiny component for record-breaking bandwidth

Researchers from ETH Zurich have developed a tiny plasmonic modulator that can transmit data with frequencies over a trillion oscillations per second, breaking previous records. The new modulator can be used for various applications, including high-performance computing and measurement technology.

How feathers develop in chickens

Researchers found that inhibiting the sonic hedgehog pathway restricts feather bud outgrowth and branching in chickens. Temporarily modified Shh expression resulted in proto-featherlike structures, highlighting the pathway's importance in feather development.

Adaptive defenses against malicious jumping genes

Scientists found that piRNA rapidly catches up with changes in jumping genes, improving efficiency through a competition between sites. This unique property of piRNA has implications for medical research and potential diagnostic or therapeutic strategies against unwanted genetic mutations.

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.

Weather emergencies affect older adults’ views on climate and health

A new poll found that nearly 3/4 of older Americans have experienced at least one extreme weather event, increasing their concern about climate change's effects on their health. Those who lived through such events are more likely to express worry about the impact on themselves and future generations.

Muonic atoms unlock new possibilities in nuclear physics

A team at University of Queensland has made a breakthrough in muonic atom research, showing that nuclear polarisation does not limit studies of muonic atoms. The finding provides a clear path for using muonic atoms to better understand the magnetic structure of the nucleus.

Infants encode short-lived hippocampal memories

A novel fMRI study reveals that infants can encode individual memories, suggesting that infantile amnesia is caused by memory retrieval failures rather than inability to form memories. The findings support recent rodent studies showing that memories created during infancy can persist into adulthood.

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.

Scientists use cellular programming to mimic first days of embryonic development

Researchers at UC Santa Cruz engineered cellular models of embryos using CRISPR technology, allowing them to study early developmental stages without experimenting with actual embryos. The team found that 80% of stem cells organized into embryo-like structures, showcasing a remarkable collective behavior and molecular composition.

Why don’t we remember being a baby? New study provides clues

Researchers at Yale University discovered that infants' hippocampi can encode memories in their earliest years, contradicting the long-held theory of infantile amnesia. The study found that increased hippocampal activity upon seeing a new image led to better recognition later on.

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.

Oxygen discovered in most distant known galaxy

Astronomers have discovered oxygen in JADES-GS-z14-0, the most distant known galaxy, revealing a galaxy that is much more chemically mature than expected. The detection suggests galaxies formed rapidly and are maturing rapidly, contradicting previous theories about early universe formation.

“Water Nobel Prize” for Prof. Günter Blöschl

Prof. Günter Blöschl's research has made significant contributions to understanding the drivers of increasing flood risks under climate change and reveals that the last two decades have been markedly flood-prone compared to historical records.

Anxiety disorders in children can be screened through school health care

A new study from the University of Turku screened school-age children for anxiety and found that a Master Your Worries programme reduced symptoms of generalised anxiety, social anxiety, and separation anxiety. The study also showed that lighter digital study materials can reduce anxiety symptoms in children.

The fine control of cell mechanics

Researchers discovered that gamma-actin increases the rigidity of cell membranes while beta-actin filaments are less stiff. This mechanism may contribute to hearing loss by affecting the apical membrane's stiffness essential for auditory function.

Fluke 87V Industrial Digital Multimeter

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

A high-fat diet may impair response to infection

A new study in The Journal of Immunology reveals how a high-fat diet can impair the immune system's ability to respond to infection. Male mice fed a high-fat diet exhibited impaired neutrophil function, including reduced bacterial killing capacity and abnormal gene expression.

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.