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Science News Archive July 2024 - Page 11


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.

SourceUniversity of California - Los Angeles Health Sciences·JournalStroke·TypeExperimental study·DateJul 24, 2024

Chung-Ang University researchers study real-time electricity pricing model to enhance power grid balance

A new study proposes a predictive home energy management system with a customizable bidirectional real-time pricing mechanism to promote residential demand response and reduce peak loads. The system enhances user comfort and accuracy of forecasting, while also providing cost savings.

SourceChung Ang University·JournalIEEE Internet of Things Journal·TypeComputational simulation/modeling·DateJul 24, 2024
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.

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...

SourceShenzhen Institute of Advanced Technology, Chinese Academy of Sciences·JournalACS Applied Materials & Interfaces·TypeCommentary/editorial·DateJul 24, 2024

'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.

SourceWellcome Trust Sanger Institute·JournalAmerican Journal of Human Genetics·TypeObservational study·DateJul 24, 2024

Toward a quantum electron microscope: a compact pulse hollow cone hybrid TEM/SEM by CityUHK to revolutionize electron microscopy

A team from City University of Hong Kong has designed a compact hybrid transmission and scanning electron microscope that can operate at room temperature, offering high-resolution imaging capabilities without cryogenic temperatures. The new system reduces radiation damage to samples and provides improved image contrast using pulse elec...

SourceCity University of Hong Kong·DateJul 24, 2024
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.

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.

SourceWashington University in St. Louis·JournalProceedings of the National Academy of Sciences·DateJul 24, 2024

Inference and prioritization of tissue-specific regulons in Arabidopsis and Oryza

A novel pipeline named InferReg is developed to infer tissue-specific regulons in Arabidopsis and Oryza. The authors utilized co-expression patterns, TF binding site enrichment analysis, and graph convolutional networks to make predictions about regulatory relationships between transcription factors and target genes.

SourceBeijing Zhongke Journal Publising Co. Ltd.·JournalaBIOTECH·DateJul 24, 2024

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.

SourceUniversity of Adelaide·JournalProceedings of the Royal Society B Biological Sciences·DateJul 24, 2024
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.

Schematics for the transition-state structure for enantioselectivity determining step. (Image by FU et al.)

A study published in PNAS reveals that active matter and shear flows exhibit similar thinning behaviors due to micro-mechanism of breaking up percolating particle clusters. This finding offers a possible explanation for the 'superfluid'-like phenomena observed in biological organisms.

SourceUniversity of Science and Technology of China·JournalProceedings of the National Academy of Sciences·DateJul 24, 2024

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.

SourceJackson Laboratory·JournalAlzheimer s & Dementia·TypeExperimental study·DateJul 24, 2024
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 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.

SourceBabraham Institute·JournalJournal of Cell Science·TypeExperimental study·DateJul 24, 2024

NUS researchers develop new battery-free technology to power electronic devices using ambient radiofrequency signals

A team of NUS researchers developed a compact and sensitive rectifier technology that uses nanoscale spin-rectifiers to convert ambient wireless radio frequency signals into DC voltage. The technology overcomes challenges in existing energy harvesting modules, enabling battery-free operation for small electronic devices.

SourceNational University of Singapore·JournalNature Electronics·TypeExperimental study·DateJul 24, 2024

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.

SourceUniversity of Maine·JournalEnvironmental Engineering Science·DateJul 24, 2024
Apple iPhone 17 Pro

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

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.

SourceGladstone Institutes·JournalProceedings of the National Academy of Sciences·DateJul 24, 2024

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.

SourceNational Institutes of Natural Sciences·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateJul 24, 2024

Komodo dragons have iron-coated teeth to rip apart their prey

Scientists discovered that Komodo dragons' serrated teeth are tipped with iron, giving them razor-sharp cutting edges. This unique feature may provide clues about how carnivorous dinosaurs like Tyrannosaurus rex killed and ate their prey.

SourceKing's College London·JournalNature Ecology & Evolution·DateJul 24, 2024
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.

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.

SourceDeutsches Zentrum fuer Diabetesforschung DZD·JournalNature Reviews Endocrinology·TypeCommentary/editorial·DateJul 24, 2024

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.

SourceUniversity of California - Irvine·JournalEarth's Future·DateJul 24, 2024

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.

SourceJAMA Network·JournalJAMA Network Open·DateJul 24, 2024

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.

SourceUniversity of Science and Technology of China·JournalNature Synthesis·DateJul 24, 2024
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.

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.

SourceRice University·JournalAdvanced Functional Materials·TypeExperimental study·DateJul 24, 2024

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.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateJul 24, 2024

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.

SourceUniversitatsklinikum Bonn·JournalHuman Genetics and Genomics Advances·DateJul 24, 2024

First long term study shows use of socially assistive robot improves stroke rehabilitation

Researchers found that socially assistive robots improved stroke rehabilitation outcomes by encouraging people to continue their treatment in a non-judgmental setting. Participants who used the robots showed significant improvements in kinematic and clinical measures, including smoothness of movement and upper-extremity assessments.

SourceBen-Gurion University of the Negev·JournalIEEE Transactions on Neural Systems and Rehabilitation Engineering·TypeRandomized controlled/clinical trial·DateJul 24, 2024
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.

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.

SourceUniversity of Córdoba·JournalAnalytical Chemistry·TypeExperimental study·DateJul 24, 2024

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.

SourceWiley·JournalJournal of the American Geriatrics Society·DateJul 24, 2024
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.

Prevalence and impact of the KIT M541L variant in patients with mastocytosis

Researchers found a significant association between the KIT M541L variant and mastocytosis diagnosis in patients with systemic and cutaneous mastocytosis. The variant was identified in 19 individuals, mostly diagnosed with systemic mastocytosis, but without significant differences in symptomatology.

SourceImpact Journals LLC·JournalOncotarget·TypeExperimental study·DateJul 24, 2024

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.

SourceDOE/Pacific Northwest National Laboratory·DateJul 24, 2024

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.

SourceUniversité de Genève·JournalNature·TypeNews article·DateJul 24, 2024
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

High-speed camera for molecules: entangled photons enabled raman spectroscopy

Researchers developed a microscopic theory for ultrafast stimulated Raman spectroscopy with quantum-light fields, enabling high-speed imaging of molecules. The technique leverages the quantum advantages of entangled photon sources to enhance both temporal and spectral resolution.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateJul 24, 2024

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.

SourceNorwegian University of Science and Technology·JournalLanguage Learning·TypeExperimental study·DateJul 24, 2024
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.

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.

SourceUniversitat Politècnica de València·JournalPLANT PHYSIOLOGY·TypeExperimental study·DateJul 24, 2024

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.

SourceETH Zurich·JournalNature·TypeExperimental study·DateJul 24, 2024

Tiny deletion in heart muscle protein briefly affects embryonic ventricles but has long-term effects on adult atrial fibrillation

Researchers found that a tiny deletion in the titin protein causes developmental defects in embryonic ventricles, leading to increased potassium ion current and abnormal ANP expression. This remodeling leads to impaired atrial contractility and an increased risk of adult atrial fibrillation.

SourceUniversity of Alabama at Birmingham·JournaliScience·TypeExperimental study·DateJul 24, 2024

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.

SourceStanford University·JournalScience Advances·DateJul 24, 2024
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.

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.

SourceUniversity of Leeds·JournalThe International Journal of Robotics Research·TypeExperimental study·DateJul 24, 2024

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.

SourceSissa Medialab·JournalJournal of Cosmology and Astroparticle Physics·TypeData/statistical analysis·DateJul 24, 2024
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.

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.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalBMC Psychology·DateJul 24, 2024

Lower dose prostate cancer treatments retain efficacy while improving tolerability

Researchers found that lower doses of radiopharmaceutical therapy approaches for metastatic castrate-resistant prostate cancer were just as effective as the standard dose, with better tolerability among patients. The study showed improved PSA response rates and comparable median overall survival in both groups.

SourceSociety of Nuclear Medicine and Molecular Imaging·JournalJournal of Nuclear Medicine·DateJul 24, 2024

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.

SourceDuke University Medical Center·Journalnpj Microgravity·DateJul 23, 2024