Bluesky Facebook Reddit Email

Science News Archive May 2025


Page 18 of 50

‘Barcodes’ written into our DNA reveal how blood ages

Researchers developed a technique to analyze DNA methylation marks, identifying changes in blood production that occur with age. By age 50, many blood stem cells begin to drop out and larger clones take over, leading to a decline in diversity and resilience.

More than half of US workers say job insecurity causing stress

More than half of US workers report significant stress due to job insecurity, with 54% saying it impacts their work life. Government policy changes and economic concerns exacerbate workplace stress, affecting employees' mental health and overall well-being.

Boulder washed inland a sign of Pacific tsunami history

A 1,200-tonne boulder in Tonga is one of the largest known wave-transported rocks, providing new insights into past tsunamis. Numerical modelling suggests tsunami heights of 50m lasting 90 seconds dislodged the boulder from its cliff-edge origin.

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.

Nano-engineered thermoelectrics enable scalable, compressor-free cooling

Researchers at Johns Hopkins University Applied Physics Laboratory have developed nano-engineered thermoelectric refrigeration technology with controlled hierarchically engineered superlattice structures (CHESS) that is twice as efficient as traditional bulk materials. The CHESS technology offers a scalable alternative to traditional c...

Global virus network statement in support of the WHO Pandemic Preparedness Accord

The Global Virus Network strongly supports the World Health Organization's newly adopted Pandemic Preparedness Accord, which establishes a more coordinated and transparent global framework for pandemic prevention, preparedness, and response. The accord reaffirms priorities on sustained investment in global surveillance, rapid data shar...

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.

When fungi take your breath - How a mold can unbalance the lungs

A new study reveals that Aspergillus fumigatus infection can unbalance the lungs by creating a microaerophilic niche for bacteria like Ligilactobacillus murinus. This interaction may influence disease progression and enable new treatment approaches, highlighting the importance of understanding the gut-lung axis.

Re-creating the sounds of an underground city #ASA188

Researchers at Istanbul Galata University studied the history and architecture of Derinkuyu's ancient underground city to recreate its soundscape. The project aims to provide valuable information for scholars and inspire the design of future underground urban spaces.

Major step for flat and adjustable optics

Scientists at Linköping University have made a significant breakthrough in creating controllable flat optics using nanostructures on a flat surface. By precisely controlling the distance between antennas, they achieved up to tenfold improvement in performance, opening up new avenues for applications such as video holograms and biomedic...

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.

Has marijuana legalization affected traditional drug prescriptions?

New research reveals that recreational cannabis legalization leads to significant reductions in prescription drug claims per enrollee, with annual savings of $34-$42 in small group insurance markets. However, the study found no similar effect in large group insurance markets.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

When lightning strikes: Gamma-ray burst unleashed by lightning collision

Researchers from The University of Osaka observed a rare phenomenon where lightning discharges accelerated electrons to near light speed, producing a gamma-ray flash. This study contributes critical data to understanding the mechanism behind these intense radiation bursts and their potential role in shaping Earth's atmosphere.

Fool’s gold: A hidden climate stabilizer

Scientists have found that oceanic anaerobic respiration produces sulfur species, forming pyrite or 'fool's gold', which helps buffer the alkalinity of water and prevent acidification. This process has a stabilizing effect on the ocean, playing a significant role in preserving its alkalinity for millions of years.

Apple iPhone 17 Pro

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

Mitochondrial protein may improve selective liver cancer treatment

Researchers at Thomas Jefferson University found that VDAC2, a mitochondrial protein, can make liver cancer cells more vulnerable to existing treatments targeting BAK-dependent cell death. The study suggests that combining pre-clinical drugs targeting BAK could shrink tumors in mice with high levels of VDAC2.

Rice researchers engineer personalized treatments for movement impairments

Researchers at Rice University have developed a novel personalized medicine approach for addressing movement impairments. The Neuromusculoskeletal Modeling (NMSM) Pipeline software allows clinicians to work in collaboration to construct personalized computer models of individual patients, leading to more effective orthopedic surgery, p...

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.

Reducing wait times for hip and knee replacement surgeries

A Canadian Medical Association Journal study found that single-entry referral models and team-based care significantly reduced surgical wait times. The research analyzed data from 17,465 surgeries and recommended implementing these models to improve access to healthcare services.

Study reveals impact of sewage overflows on Chicago river ecosystem

A new study reveals that untreated wastewater released into the Chicago River during extreme rain events significantly alters the freshwater ecosystem. Zooplankton populations disappeared or increased dramatically, affecting the entire food web and potentially infusing harmful chemicals into the water.

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.

Household action can play major role in climate change fight - study

A new study found that adopting low-carbon lifestyles can reduce global carbon footprints by 10.4 gigatons of CO2 equivalent, equivalent to 40.1% of household consumption-based emissions in 116 countries analysed. Researchers identified 21 low-carbon actions that could achieve this reduction if adopted by the top 23.7% of global emitters.

Scientists discover potential new targets for Alzheimer’s drugs

Scientists at MIT have identified new potential targets for treating Alzheimer's disease, including a pathway involved in DNA damage repair. The study suggests that a combination of treatments targeting different cellular pathways may be more effective in blocking disease progression.

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.

Depression linked to physical pain years later

A study by University College London researchers found that depressive symptoms worsen long before pain begins in middle-aged and older adults. Early mental health interventions may help prevent or reduce later aches and pains.

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.

Does the “obesity paradox” extend to cancer treatment?

A new analysis of over 18,000 cancer cases suggests that obese patients may fare better after immunotherapy treatment, with improved overall survival rates. The study's findings raise intriguing questions about the role of obesity in immunotherapy effectiveness and highlight the need for further research to understand this phenomenon.

How serious is your brain injury? New criteria will reveal more

A new framework for assessing traumatic brain injuries (TBI) will provide more accurate diagnoses and treatments, leading to better patient outcomes. The framework incorporates clinical symptoms, biomarkers, imaging scans, and modifiers to determine the severity of injury and predict recovery.

The least confident delivery drone gets the job

The study finds that selecting the least confident bidder as the auction winner enhances learning accuracy, leading to higher delivery rates and shorter times. The approach promotes smarter resource deployment by matching drones' capabilities to tasks.

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.

Shorter MRI exam effectively detects cancer in dense breasts

A new study published in Radiology found that abbreviated breast MRI is an effective screening method for women with extremely dense breasts, detecting cancer while reducing scan times by up to 80%. The abbreviated protocol retains a high level of diagnostic accuracy comparable to the full protocol MRI.

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.

Lighting the future: high-stability bluish-green phosphors for advanced LEDs

Researchers have developed a new bluish-green emitting phosphor using silica nanoparticles, achieving a 48% increase in emission intensity compared to traditional methods. The phosphor exhibits significant thermal stability, making it suitable for high-power LEDs and paving the way for brighter, more energy-efficient LED lights.

Common diabetes drug helps chickens lay more eggs

Researchers at Penn State found that metformin increases fertile egg production, reduces body fat, and improves reproductive hormone levels in broiler breeder hens. The study suggests that metformin can extend the productive lifespan of these chickens, potentially improving animal welfare and efficiency in poultry farming.

Celestron NexStar 8SE Computerized Telescope

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

New research warns AI alone won’t fix bias in workplace recruitment

A new study by the University of South Australia found that using AI alone in hiring decisions does not necessarily lead to more diverse and inclusive outcomes. The research highlights the importance of organizations having clear diversity guidelines, qualitative goals, and human oversight to support the use of AI tools effectively.

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.

Vaping increases dependency more than nicotine gum

A new study found that pod-style electronic cigarette devices are more addictive than nicotine gum, indicating a high potential for abuse. The study used a sample of adult non-smokers and found that vaping devices decreased cravings and withdrawal, but increased satisfaction.