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Science News Archive May 2025


Page 12 of 50

Muscle quality may hold clues to early cognitive decline

A recent study published in the Journal of Cachexia, Sarcopenia and Muscle found that phase angle, a measure of muscle quality, is linked to memory performance and dementia risk in middle-aged and older adults. Higher phase angle was associated with lower risk of mild cognitive impairment and better memory in both men and women.

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.

Research project investigates freshened water under the ocean floor

Scientists on IODP³-NSF Expedition 501 aim to validate hypotheses about water origin and better understand offshore aquifer systems. The expedition will collect sediment samples and water from beneath the ocean floor, shedding light on the dynamics of these groundwater systems.

Quantum Science Center summer school draws record attendance

The fifth annual Quantum Science Center Summer School at Purdue University welcomed its largest group of students, with a focus on introductory presentations and technical talks. Graduate students and doctoral candidates led the program, which covered topics such as quantum materials, devices, and algorithms.

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.

Flowers unfold with surprising precision, despite unruly genes

A Cornell University study found that plant genes respond to auxin in a chaotic manner, despite the precise formation of flowers. Researchers discovered that spatial averaging helps smooth out gene expression noise, allowing plants to control development. This finding has implications for plant engineering and synthetic biology.

Excess US deaths before, during, and after the COVID-19 pandemic

The study analyzed 14.7 million excess US deaths from 1980 to 2023, finding that rates remained higher than pre-pandemic levels. Excess deaths during and after the pandemic were largely driven by pre-existing causes such as drug overdose, firearm injury, and cardiometabolic disease.

Kyoto conundrum: More hotels than households exist in ancient capital

A study by Osaka Metropolitan University reveals six neighborhood-units in Kyoto's southeastern area have a disrupted balance between residences and accommodations, with hotspot locations near transportation hubs. Effective zoning policies are recommended to address overtourism's adverse social effects.

Apple iPhone 17 Pro

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

Modulation of antiviral response in fungi via RNA editing

A study by University of Fukui researchers reveals that two adjacent gene pairs in Neurospora crassa regulate antiviral response and symptom induction via RNA editing. The findings indicate that the modification of master transcription factor genes is crucial for controlling fungal antiviral responses.

Financial aid to key sectors threatens the planet's biodiversity

Subsidies to agriculture, fossil fuels, and other sectors cause significant environmental degradation, threatening biodiversity and public health. The study highlights the urgent need for a transformation of the current economic model to protect nature and ensure well-being.

Cluster-root secretions improve phosphorus availability in low-phosphorus soil

Researchers from Hiroshima University and others identified genes associated with increased cluster-root secretion and absorption, including phosphate transporters and acid phosphatases. The study provides insights into the molecular mechanisms of cluster roots that enhance phosphorus availability in low-nutrient soils.

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.

Action! Proteins critical to healthy brain development captured on film

Salk Institute and UC San Diego researchers captured the first-of-its-kind video of dynein-Lis1 protein interaction, revealing 16 detailed shapes that support designing therapeutics to restore dynein and Lis1 function. The insights gained from this movie will help identify precise locations where drugs can interact with the proteins.

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.

Hey vespids, what's for dinner? DNA analysis of wasp larvae’s diverse diet

A study by Kobe University found that Japanese wasp larvae feed on a diverse range of species, including birds, mammals, reptiles, amphibians, fish, and insects. The research used DNA metabarcoding to identify the gut contents of larvae from wild and reared nests, revealing significant differences in prey composition between the two.

Marine heatwaves pose problems for coastal plankton

Researchers found that gradual warming causes significant changes in the plankton community, while heatwaves amplify these effects. The study used historical data and an experiment to simulate future warmer scenarios with and without heatwaves.

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.

More young adults than ever take HIV-prevention medication, but gaps remain

A new study found that eight times more American young adults now take HIV-prevention medication than a decade ago, but inconsistent use and barriers persist. PrEP can reduce the chances of acquiring HIV by 99%, emphasizing the need for healthcare providers and public health agencies to promote consistent use among high-risk patients.

Bimodal video imaging platform predicts hyperspectral frames from RGB video

Researchers developed a bimodal video platform combining hyperspectral and RGB video to predict high-quality spectra from lower-cost RGB data. The platform demonstrates improved performance in the visible spectrum but faces challenges in the near-infrared range, highlighting the need for broader spectral coverage.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Stuttgart Cluster of Excellence IntCDC receives funding for a further seven years

The Stuttgart Cluster of Excellence IntCDC will continue to develop innovative construction methods that reduce resource consumption and CO2 emissions through computational design and engineering methods. The cluster aims to evolve its Co-Design approach into a Co-Agency approach, focusing on bio-based building materials, AI technologi...

Millions still lack access to glasses - new study

A new study by Anglia Ruskin University found that global refractive correction rates are at 65.8%, six percentage points lower than in 2010, and urge urgent action to meet the WHO's target of a 40% increase by 2030.

First vascularized model of stem cell islet cells

Scientists have created a vascularized organoid model of hormone-secreting cells in the pancreas, promising to improve diabetes research and cell-based therapies. The model, developed by Max Delbrück Center researchers, contains greater numbers of mature beta cells and secretes more insulin than non-vascularized counterparts.

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 dental floss that can measure stress

Researchers at Tufts University have created a saliva-sensing dental floss that can accurately measure cortisol, a key indicator of stress. The device uses molecularly imprinted polymers and is comparable in accuracy to existing sensors, making it a promising tool for tracking stress and related conditions.

Recent advances in intelligent sports based on triboelectric nanogenerators

Recent advances in triboelectric nanogenerators (TENGs) have led to the development of intelligent sports facilities that monitor athlete status and improve training efficiency. TENG-based wearable devices also demonstrate high stability and adaptability in gait monitoring, enabling the creation of real-time digital human replicas.

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.

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.

US excess deaths continued to rise even after the COVID-19 pandemic

A new study led by Boston University School of Public Health reveals that US excess deaths have been increasing for decades, with working-age adults disproportionately affected. The study found that over 1.5 million 'missing Americans' would have been averted if the US had mortality rates similar to other high-income countries.

New golden standard for medicine safety during breastfeeding

A new protocol has been developed to establish a safer standard for medication use during breastfeeding. The study focuses on the concentration of prednisolone and metformin in breast milk and infant plasma, addressing a significant knowledge gap in human lactation studies.

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.

How cholera bacteria outsmart viruses

Researchers found that cholera bacteria acquired multiple distinct immune systems protecting them from diverse types of phages. These defense systems, including WonAB, GrwAB, and Vc SduA, contribute to the bacterial population's resistance spectrum.

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.

Developing a pressure-induced water producing material

Scientists discovered that applying pressure to a copper-chromium Prussian blue analog can expel stored water, forming droplets. Approximately 240g of water was obtained per 1kg of the crystal. This technology has potential for arid environments and water resource reuse.