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Science News Archive July 2025


Page 23 of 54

Stevia leaf extract has potential as anticancer treatment, researchers find

Researchers at Hiroshima University have found that fermenting stevia leaf extract with bacteria kills off pancreatic cancer cells without harming healthy kidney cells. The study identified chlorogenic acid methyl ester as the active anti-cancer compound, which exhibits stronger toxicity to cancer cells than chlorogenic acid alone.

Call for nominations: 2026 Dan David Prize

The Dan David Prize is now accepting nominations for the 2026 award, honoring up to 9 early- and midcareer historians and humanists. The $300,000 prize supports their work and acknowledges achievements in fields like history, archaeology, and digital humanities.

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.

Trends in physician exit from fee-for-service Medicare

Physician exit from traditional Medicare has increased over time, with exits remaining high even after the pandemic. The findings suggest that multiple factors contribute to physician departures, including the growing burden of new communication methods and demands for clinical documentation.

UNM study sheds light on major earthquake risk off coast of British Columbia

A new UNM-led study provides conclusive evidence of the Queen Charlotte fault system's seismic hazard, confirming its potential to produce catastrophic events. The research used advanced geophysical tools to map the deep structure of the ocean floor, revealing a fault zone with the potential to generate powerful earthquakes and tsunamis.

Apple iPhone 17 Pro

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

Novel therapies curb surgery for ulcerative colitis, study suggests

A 20-year study suggests that increased access to innovative treatments has led to a significant drop in patients requiring surgery for ulcerative colitis. The use of advanced therapies targeting the immune system has improved treatment outcomes and reduced the need for colectomy procedures.

UTIA’s Robert Burns receives Gold Medal Honor from ASABE

Robert T. Burns, a distinguished professor at UTIA, received the Cyrus Hall McCormick – Jerome Increase Case Gold Medal for his work on agricultural engineering and manure management systems. He was honored for his contributions to advancing the development of agriculture through new concepts and technologies.

Public perception of physicians who use AI

A study on public perception of physicians who use AI found that while effects are relatively small, they may be highly relevant due to the close link between trust in healthcare practitioners and subjective treatment outcomes. The integration of AI in healthcare has sparked certain reservations among the public.

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.

Role of TLR4 in intestinal motility dysfunction

Researchers found that TLR4 activation by prenatal LPS leads to increased 5-HT levels, impaired intestinal structure, and altered gastrointestinal motility. Targeting TLR4 may help alleviate intestinal motility abnormalities in prenatally infected offspring.

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.

The Tap Trap: Android security vulnerability discovered

A research team at Vienna University of Technology has discovered a previously undiscovered Android security vulnerability that allows fraudulent apps to take control of mobile phones. Users may be tricked into performing unwanted actions, such as granting certain rights or deleting data.

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.

A new key neurophysiological mechanism in human memory formation

A study led by Lluís Fuentemilla identified a new key mechanism in human memory formation, where brain waves mark and organize events to convert them into memories. The findings suggest coordination between the hippocampus and neocortical regions, highlighting the importance of segmentation and structuring in memory formation.

A new pathway helps clean up toxic chemicals from plant cells

A newly discovered pathway in plants complements the main workflow of photorespiration, aiding in processing cytotoxic chemicals and improving energy efficiency. This parallel pathway has potential for increasing crop yield without compromising plant resilience to stress conditions.

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.

New cryogenic shape memory alloy designed for outer space

Researchers developed a novel Cu-Al-Mn alloy with a special shape memory effect at temperatures as low as -200°C, surpassing previous limitations. The alloy's potential applications include high-performance actuators for cooling systems in space telescopes and advanced carbon-neutral initiatives.

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.

Animal behavior: Dog TV viewing habits vary by personality

Research found that dog TV viewing habits differ by personality, with excitable dogs more likely to follow on-screen objects and fearful dogs reacting to car horns or doorbells. The study, published in Scientific Reports, suggests that engaging with TV could provide dogs with an enriching experience.

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.

Older adults and AI: Poll suggests a wary welcome

A new poll suggests that older adults are divided on the use of artificial intelligence (AI), with some expressing curiosity and others skepticism. The study found that nearly all participants wanted clear labeling of AI-generated information, while also acknowledging its potential benefits for independent living. However, many express...

Epigenetics on demand to tackle inflammatory diseases

Researchers successfully modulate the activity of key immune system genes using CRISPR-Cas9 technology, revealing a new approach to treating inflammatory diseases. The study demonstrates precise control over gene expression and its impact on tumour growth and inflammation.

Cracking the code of force-driven chemistry

Researchers developed a theoretical model that accurately describes the relationship between mechanical stress and chemical reactions, resolving discrepancies in previous studies. The new model helps predict mechanochemical reactions, promising for greener manufacturing and lubricant design.

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.

Cannabis use and benign salivary gland neoplasms

A recent study published in JAMA Otolaryngology–Head & Neck Surgery found an association between cannabis use disorder and benign salivary gland tumors. The researchers call for further prospective research to confirm this association and understand the relationship between cannabis use and these tumors.

The secret to resolutions? Enjoy the pursuit, not the outcome

A new study published in Psychological Science found that people are more likely to stick to New Year's resolutions if they find the goal enjoyable and engaging. The study tracked over 2,000 U.S. adults for a year and found that intrinsic motivation led to immediate benefits and long-term success.

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.

Here’s how the U.S. military can trim its massive carbon footprint

The US military, the world's single largest consumer of energy and emitter of climate-altering carbon pollution, can significantly reduce its emissions by reducing spending. A new study found that for every 1% increase in military expenditures, there is a corresponding 0.648% increase in energy use.

Key factors in sunscreen testing for personalized UV protection

A retrospective analysis of 1036 participants found that lighter skin showed lower unprotected MED values, while winter conditions correlated with greater UV tolerance. The study advocates for lab-specific prediction models to enhance testing precision and optimize UV protection for diverse populations.

Controlled human gut colonization by an engineered microbial therapeutic

Researchers successfully colonized the gut microbiome with engineered bacteria, reducing oxalate levels in animal models and human patients. However, persistent colonization and horizontal gene transfer events compromised the strain's therapeutic function, highlighting challenges in strain stability and biosafety.

Patients with heart failure and atrial fibrillation undergoing transcatheter mitral edge-to-edge repair for severe mitral regurgitation are at significantly higher risk of death or rehospitalization

A study from Mount Sinai Hospital found that patients with heart failure and atrial fibrillation who undergo mitral edge-to-edge repair have a doubled risk of death or rehospitalization for heart failure compared to those without AF. The researchers recommend aggressive treatment of AF before the procedure to improve outcomes.

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.

Cassava witches’ broom disease takes flight in South America

A fungal pathogen is causing cassava witches' broom disease to spread rapidly in Brazil and French Guiana, impacting food security and livelihoods. Researchers are racing against time to understand the extent of the threat and find a way to treat or prevent the disease.

Vaccination could mitigate climate-driven disruptions to malaria control

A recent study found that tropical cyclones in Madagascar significantly elevate the risk of malaria infection and reinfection. The introduction of long-lasting vaccines can help sustain malaria infection control during climate-related intervention gaps, but layered strategies are essential to stop transmission.

Tuning entanglement with an asymmetric metasurface

Researchers have successfully created photon pairs whose entanglement can be tuned, from fully entangled to not entangled at all, by leveraging the asymmetry of the surface. The process uses an asymmetric metasurface made of indium gallium phosphide and exploits optical resonances to enhance efficiency.

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.

Disproportionately more opioids prescribed in poorer areas

A recent study found that people in poorer areas receive three times the prescriptions for opioids than those in wealthier areas, despite a decline in overall opioid use in Canada. The research highlights the persistence of inequalities in healthcare and the need for targeted interventions to mitigate the risks of opioid misuse.

From kelp to whales: marine heatwaves are reshaping ocean life

A recent study found that the 2014-2016 Northeast Pacific marine heatwave caused unprecedented ecological disturbance, resulting in widespread kelp and seagrass declines and mass mortality events. The research highlights cascading impacts on species interactions, plankton communities, and offshore ocean productivity.

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.

Study highlights higher rates, risk factors for non-fatal overdoses

A new study identified key risk factors associated with non-fatal overdoses, including polysubstance use patterns, socioeconomic challenges, and lack of access to harm reduction services. The study found nearly half of participants had experienced a non-fatal overdose in their lifetime, significantly higher than previous rates.

New aging clock predicts early risk of muscle loss in older adults

A new study introduces a novel muscular clock, MAA, which measures how quickly an individual's muscles are aging compared to their actual age. The research found that about 25% of healthy middle-aged and older adults experience accelerated muscle aging, increasing the risk of sarcopenia.