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Science News Archive July 2024


Page 11 of 41

Stroke recovery: It’s in the genes

Researchers found specific gene variants associated with behavioral health outcomes after a stroke. The study suggests that genetic differences may predict stroke recovery trajectory, enabling personalized medicine approaches for individualized treatment.

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.

SIAT team investigates nonlinear current response in perovskite X-ray detectors

Researchers proposed a design strategy to mitigate nonlinear responses in polycrystalline metal halide perovskite X-ray detectors, addressing issues like 'delay' and 'ghosting'. The study demonstrated high-resolution X-ray imaging with suppressed ghosting contrast and top sensitivity for similar X-ray energies among polycrystalline per...

'Gene misbehavior' widespread in healthy people

A recent study found that 'gene misbehaviour' is a common phenomenon in the healthy human population, with over half of inactive genes showing misexpression. The researchers used advanced techniques to analyze blood samples from 4,568 healthy individuals and identified mechanisms behind these gene activity errors.

Apple iPhone 17 Pro

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

Daily rhythms depend on receptor density in biological clock

Scientists at Washington University in St. Louis have found that altering GABA receptor density affects circadian rhythm amplitude and synchrony among SCN cells. Reducing or mutating these receptors decreased the mice's daytime wheel-running and reduced nocturnal activity.

The ocean is becoming too loud for oysters

Research from the University of Adelaide reveals that human activity is interfering with oysters' natural settlement process due to increased noise pollution. The study found that acoustic enrichment techniques may not be effective in areas with high levels of anthropogenic noise.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Researchers are closing in on a mouse model for late-onset Alzheimer’s

Scientists at the Jackson Laboratory created a mouse model for late-onset Alzheimer’s disease by introducing genetic variants associated with the illness into mice. They used transcriptomics to analyze brain tissue and identify key biological signatures, paving the way for testing new therapeutics.

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.

Research sheds light on the role of PTPRK in tissue repair and cancer

Researchers studied PTPRK's role in colorectal cancer, finding it acts as a tumour suppressor by regulating cell adhesion and growth factor signalling. The protein also promotes intestinal repair, with mice lacking PTPRK showing impaired wound-healing and increased susceptibility to damage.

Waters along Bar Harbor, Acadia home to billions of microplastics

Researchers discovered an estimated 400 billion microplastic fibers in Frenchman Bay and its tributaries, with concentrations highest in the bay itself. The study found that microplastics were transported from land through rivers and estuaries into the bay, posing a significant threat to marine life and humans.

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.

Preventing brain damage in preterm babies

A recent study has identified a blood protein called fibrin as the root cause of developmental delays and brain damage in preterm infants. The researchers found that fibrin interferes with a cell-signaling pathway essential for neuron creation, particularly in the cerebellum.

Neurons in the frontal cortex help macaque monkeys decode social interactions

Research on macaque monkeys reveals that neurons in the frontal cortex respond differently to real and filmed partners during turn-taking exercises. This finding suggests that these neurons may be involved in spatial perspective-taking, a cognitive operation that enables individuals to mentally rotate themselves into others' positions.

Prediabetes remission for type 2 diabetes prevention

Experts advocate for incorporating normalization of blood sugar regulation into diabetes prevention strategies. Studies show that weight loss-induced prediabetes remission can significantly reduce the risk of developing type 2 diabetes, especially when combined with lifestyle changes.

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.

Nationwide flood models poorly capture risks to households and properties

Researchers at UC Irvine warn that nationwide flood risk models are unreliable for smaller areas, missing crucial factors like topography and infrastructure. A more detailed model, PRIMo-Drain, improves flood inundation predictions by including fine-resolution data on levees, channels, and stormwater systems.

Social isolation changes and long-term outcomes among older adults

A cohort study found elevated risks of mortality, disability, and dementia among older adults with increased social isolation. The study highlights the importance of preventing increased isolation to mitigate its adverse effects on physical and cognitive function decline.

USTC develops highly efficient Janus dual-atom catalyst

Researchers at USTC create a novel 'Janus' dual-atom catalyst with Fe and Co atoms coordinated synergistically through an N-O bridge, showing exceptional performance in ORR and OER. The strong electronic interaction between Fe-N3 and Co-O3 units optimizes adsorption and desorption processes, accelerating reaction kinetics.

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.

Foam fluidics showcase Rice lab’s creative approach to circuit design

Engineers have shown that air flow through open-cell foam can be used to perform digital computation, analog sensing, and combined digital-analog control in soft textile-based wearable systems. The researchers designed foam-based fluidic resistors to create two-dimensional pneumatic logic circuits embedded in textile-based devices.

Electrical stimulation for brighter persistent luminescence

Researchers create a new yellow-green luminescent material to address growing industrial demand for brighter afterglow. They successfully apply an electric field stimulation method, increasing the initial luminance of the SrAl2O4:Eu2+,Dy3+ phosphor and demonstrating its potential for high brightness long afterglow emission.

Large genetic study on severe COVID-19

Researchers found that mutations in the TLR7 gene significantly increase the risk of severe COVID-19, as well as changes in the TBK1, INFAR1, and IFIH1 genes. The study also suggests gender-specific differences in how genetic factors influence disease progression.

Faster and more sensitive: the new system to detect cannabis in saliva

A new system developed by universities of Córdoba and Valencia can detect THC in saliva with high sensitivity and speed. This technique uses dispersive microextraction by sorption and needle-based electrospray ionization emitters for mass spectrometry, reducing the analysis process to just two steps.

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.

Can anxiety increase the risk of developing dementia?

A prospective cohort study found that both chronic and new anxiety were associated with a higher risk of developing dementia. The presence of chronic anxiety was linked to a 2.8-time higher risk, while new onset anxiety was associated with a 3.2-time higher risk.

Pacific Northwest launches clean hydrogen energy hub

The Pacific Northwest is launching a clean hydrogen economy with a $27.5 million Department of Energy funding award. The project aims to develop and market economical clean hydrogen power solutions to meet the United States' clean energy goal while ensuring at least 40% of the benefits flow to disadvantaged communities.

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.

Under pressure: how cells respond to physical stress

Researchers at UNIGE have discovered how yeast cells respond to physical stress on their membranes. Cryo-electron microscopy revealed that specific lipid domains can stabilize and trigger cellular responses to mechanical stimuli. This study sheds light on the role of membrane compartmentalization in cell survival.

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.

Language affects how quickly we perceive shades of color

Researchers found that bilingual participants' ability to distinguish shades of color was influenced by the language used, shedding light on the dynamic interaction between language and perception. This phenomenon is known as 'code switching,' where the brain responds quickly to activated language.

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.

The aroma of tomato resistance

The IBMCP team has identified a new volatile compound, alpha-terpineol, that effectively protects plants from Pseudomonas syringae, a pathogenic bacterium causing severe crop damage. This natural strategy could serve as a protective barrier against bacteria and even protect plants from drought.

Preventing cancer cells from colonizing the liver

Cancer cells can attach themselves to liver cells when specific proteins are present, allowing them to colonize and form new tumors. This discovery provides insights into the metastatic process and may lead to potential treatments that prevent cancer from establishing new tumors.

Saharan dust regulates hurricane rainfall

A study by Stanford University researchers reveals a previously unknown relationship between Sahara dust plumes and hurricane rainfall. Thicker dust plumes can lead to heavier rainfall, while thinner ones may suppress hurricane formation over the ocean.

Celestron NexStar 8SE Computerized Telescope

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

Trajectory planning could boost safety in medical robotics

Researchers have developed a complex algorithm to choreograph the movement of two robotic arms, ensuring a clear space between them and maintaining a consistent magnetic field. This innovative system uses two robotic arms to steer magnetic medical devices, such as vine robots, with precise control and accuracy.

Dark matter seen through a forest

Researchers used hydrogen to track dark matter's presence in the universe, revealing a tension between observations and theoretical predictions. The findings suggest that an unknown particle or new physics may be responsible for this discrepancy.

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.

Mild COVID-19 can cause long-term cognitive losses

A recent study published in BMC Psychology found that mild COVID-19 patients experienced significant cognitive impairment, with 11.7% showing memory loss and attention deficits. The study suggests that neuroinflammation due to SARS-CoV-2 infection may be a contributing factor to these long-term effects.

Expiring medications could pose challenge on long space missions

A new study by Duke University Medical Center finds that over half of commonly used medications for astronauts might expire before a three-year journey to Mars. The study highlights the need for space agencies to plan for expired medications, which could pose a challenge for crew health.