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Science News Archive August 2023 - Page 35


Page 35 of 38

Ovarian cancer: New biological markers found that may predict which patients won't respond to chemotherapy

Researchers have discovered a 64-protein signature that can predict which ovarian cancer patients are unlikely to respond to chemotherapy, paving the way for personalized treatment options. The study also identifies five new subtypes of high-grade serous ovarian cancer, suggesting different treatment strategies may be needed.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalCell·TypeComputational simulation/modeling·DateAug 3, 2023

Study reveals significant difference in cardiomyopathy genes between Black and White patients

Researchers found that African ancestry patients with dilated cardiomyopathy have fewer clinically actionable variants in DCM genes compared to European ancestry patients. The study enrolled 1,198 patients with dilated cardiomyopathy, revealing a racial imbalance in genetic trials for heart failure.

SourceLouisiana State University Health Sciences Center·JournalJAMA·TypeObservational study·DateAug 3, 2023
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.

New exoplanet discovery builds better understanding of planet formation

Researchers have discovered an unusual Jupiter-sized exoplanet, TOI-4860 b, orbiting a low-mass star in the Corvus constellation. The planet is enriched with heavy elements and takes about 1.52 days to complete its orbit, making it a 'Warm Jupiter'.

SourceUniversity of Birmingham·JournalMonthly Notices of the Royal Astronomical Society·DateAug 3, 2023

New photocatalytic system converts carbon dioxide to valuable fuel more efficiently than natural photosynthesis

A joint research team from City University of Hong Kong and collaborators developed a stable artificial photocatalytic system that mimics natural chloroplasts to convert carbon dioxide into methane, a valuable fuel, very efficiently using light. The new system achieved a highly efficient solar-to-fuel efficiency rate of 15%, surpassing...

SourceCity University of Hong Kong·JournalNature Catalysis·TypeExperimental study·DateAug 3, 2023
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.

A spinout’s biggest competitor may be the parent company, not other entrepreneurs

A new study published in Strategic Management Journal finds that when parent firms identify and implement ideas internally, they outperform spinouts. The probability of survival for spinouts is about 64% at age three, compared to 59% for new establishments of parent firms, which closes the gap by age seven

SourceStrategic Management Society·JournalStrategic Management Journal·DateAug 3, 2023

New understanding of the body’s cells: Synchronize like pendulum clocks

Human cells have been found to synchronize their movements in unison, similar to grandfather clocks, allowing them to work more efficiently and combat diseases. This new understanding can pave the way for developing biochemical tools to prevent serious diseases like cancer and diabetes.

SourceUniversity of Copenhagen - Faculty of Science·JournalCell Systems·DateAug 2, 2023

Research finds scandals have less impact on politicians than they used to

A study by University of Houston Professor Brandon Rottinghaus found that scandals have less impact on politicians due to polarized media and partisan fundraising. The study analyzed data from 1972 to 2021 and found that politicians can survive scandals more easily in the current era, with some even benefiting from small scandals.

SourceUniversity of Houston·JournalPolitical Research Quarterly·DateAug 2, 2023

Unhappy family or trauma in youth leads to poor health in old age

Researchers found that adults who experienced violence, financial stress, or separation from parents as children were more likely to experience physical and cognitive impairments. Adverse childhood experiences can have lifelong consequences, including difficulty walking, carrying out daily activities, and problems with memory.

SourceUniversity of California - San Francisco·JournalJournal of General Internal Medicine·DateAug 2, 2023
Apple iPhone 17 Pro

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

Important step toward next-generation probiotics

Researchers at the University of Gothenburg have developed a new strategy for producing oxygen-tolerant probiotics, including Faecalibacterium prausnitzii, which can improve glucose control. The combination of bacteria increased biomass and butyrate production, making it safe for human consumption.

SourceUniversity of Gothenburg·JournalNature·TypeExperimental study·DateAug 2, 2023

Abortion facility access means long drives for 41.8% of women

A study found that 41.8% of US women of reproductive age face long drives (30+ minutes) to reach an abortion facility, while 23.6% have no access within a 90-minute drive. Access is affected by state laws and geographical location.

SourceWashington State University·JournalObstetrics and Gynecology·DateAug 2, 2023

Novel molecules fight viruses by bursting their bubble-like membranes

Researchers have developed novel molecules that target the membrane of viruses, rather than their proteins, offering a promising new approach for treating infectious diseases. The molecules, inspired by natural peptides, disrupt the protective layers of enveloped viruses like Zika and chikungunya, while sparing human cells.

SourceNew York University·JournalACS Infectious Diseases·DateAug 2, 2023
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.

People with a hepatitis C cure still face substantial risk of death

A study of over 20,000 patients with a hepatitis C cure found that they have a substantially greater risk of death compared to the general population. Drug and liver-related causes were the main drivers of excess deaths, highlighting the importance of continued support to fully realise the benefits of a hepatitis C cure.

SourceBMJ Group·JournalThe BMJ·TypeObservational study·DateAug 2, 2023

Daily flushing regimen with simple implant may prevent shunt clogs and reduce revision surgeries in patients with hydrocephalus

Researchers at Medical University of South Carolina describe a new, non-surgical approach to managing hydrocephalus by implanting a shunt-clearing device and performing daily flushing. The study shows promising results, reducing revision surgeries and improving patient outcomes.

SourceMedical University of South Carolina·JournalPediatric Neurosurgery·TypeObservational study·DateAug 2, 2023

When D turns to F, quantum matter is A-plus

Researchers have found that certain materials can exhibit D-wave effects, entangled with other quantum states, allowing for efficient coupling at higher temperatures. This breakthrough bridges condensed matter physics subfields and could enable practical applications of quantum computing.

SourceRice University·JournalScience Advances·TypeComputational simulation/modeling·DateAug 2, 2023
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.

Robotic grippers offer unprecedented combo of strength and delicacy

Researchers at North Carolina State University have developed a robotic gripping device that can handle ultrasoft, ultrathin, and heavy objects with excellent balance of strength, precision, and gentleness. The design uses kirigami and can be fabricated from biodegradable materials.

SourceNorth Carolina State University·JournalNature Communications·TypeExperimental study·DateAug 2, 2023

Super Radar: Breakthrough radar research overcomes a nearly century-old trade-off between wavelength and distance resolution

Researchers from Chapman University and other institutions developed a new interference radar function that improves distance resolution between objects using radar waves. The technology breaks the trade-off between resolution and wavelength, allowing for high spatial resolution with long wavelengths.

SourceChapman University·JournalPhysical Review Letters·TypeExperimental study·DateAug 2, 2023

Researchers discover a novel pathway that minimizes liver injury during transplantation

Researchers have discovered a novel pathway that minimizes liver injury during transplantation by activating the protective CEACAM1-S version. This protective characteristic is regulated by HIF-1α and can be enhanced using molecular tools and alternative gene splicing, reducing organ injury and improving post-transplant outcomes.

SourceUniversity of California - Los Angeles Health Sciences·JournalScience Translational Medicine·TypeExperimental study·DateAug 2, 2023

Fact-checking can influence recommender algorithms

A Cornell University study found that encouraging fact-checking on Reddit led to a drop in story rank by an average of minus-25 spots, causing stories to be missed by readers. The research suggests that collective efforts to improve information environments can influence algorithmic recommendations.

SourceCornell University·JournalScientific Reports·DateAug 2, 2023

Lockdowns create global appetite for feeding feathered friends

Researchers found a significant increase in global bird feeding interest during COVID-19 lockdowns, with dramatic increases in search terms like 'bird feeder' and 'bird food' across 115 countries. The study suggests that this trend may have implications for avian communities, migration patterns, and biodiversity.

SourceGriffith University·JournalPLOS ONE·TypeData/statistical analysis·DateAug 2, 2023
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.

Researchers find drugs that reduce infant death may lead to long-term health issues

A new study published in The BMJ found that steroid use during pregnancy may increase the risk of short and long-term health issues in infants. Researchers analyzed data from 1.6 million infants and found that full-term babies exposed to corticosteroids had a higher risk of neonatal intensive care admission, respiratory and growth issu...

SourceMcMaster University·JournalBMJ·TypeSystematic review·DateAug 2, 2023

How immunity contributes to ageing and neurodegeneration

A recent study found that the cGAS/STING molecular signaling pathway plays a critical role in driving chronic inflammation and functional decline during aging. By blocking STING, researchers were able to suppress inflammatory responses and improve tissue function, leading to enhancements in spatial and associative memory.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature·DateAug 2, 2023
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.

Webb spotlights gravitational arcs in ‘El Gordo’ galaxy cluster

The James Webb Space Telescope has captured a new image of the 'El Gordo' galaxy cluster, revealing dusty objects and distorted background galaxies. Gravitational lensing provides a unique window into the distant universe, allowing scientists to study star formation history and assembly of galaxies.

SourceNASA/Goddard Space Flight Center·JournalThe Astrophysical Journal Letters·DateAug 2, 2023

Ultrasound-based microfluidic manipulation platform for airborne droplets

Researchers developed a microfluidic platform harnessing acoustic radiation force to manipulate droplets in air, achieving jump heights of up to 128mm. The platform allows for control over the direction and movement of droplets, enabling potential applications in scientific experiments and three-dimensional displays.

SourceUniversity of Tsukuba·JournalPNAS Nexus·DateAug 2, 2023

Study presents workaround for randomized experiments

A new statistical tool, two-step synthetic control, allows managers and policymakers to estimate effects they previously couldn't accurately. The study found that this method estimated a more modest increase in weekly tampon sales after New York's repeal, better matching actual sales figures.

SourceUniversity of Texas at Austin·JournalManagement Science·TypeData/statistical analysis·DateAug 2, 2023

The history and future of ancient einkorn wheat Is written in its genes

Researchers sequenced einkorn wheat's genome, tracing its evolutionary history and identifying resilient properties that can be reintroduced into modern bread wheat. The study's findings provide insight into human migration and settlement, as well as potential solutions to protect the world's food supply.

SourceUniversity of Maryland·JournalNature·TypeExperimental study·DateAug 2, 2023
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.

Secondary school students have difficulty identifying bird species

A study by the University of the Basque Country found that secondary school students have limited knowledge of biosphere reserves, marshes, and bird migration. However, students from rural areas and those who participated in primary school bird-related projects showed better understanding of local biodiversity.

SourceUniversity of the Basque Country·JournalInternational Journal of Environmental Research and Public Health·DateAug 2, 2023

New insights on pelvic floor damage after vaginal birth, and new directions for treatment

Researchers at UC San Diego report new direct evidence of atrophy and fibrosis in pelvic floor muscles of women with symptoms of pelvic organ prolapse. They also showed that an acellular injectable skeletal muscle extracellular matrix hydrogel reduces the negative impact of simulated birth injury on rat pelvic floor muscles.

SourceUniversity of California - San Diego·JournalScience Translational Medicine·TypeExperimental study·DateAug 2, 2023

Risk biomarkers for chronic graft-versus-host-disease identified

A multicenter team has identified three risk biomarkers for chronic graft-versus-host-disease, which can be measured at 90 days after transplantation. These markers include MMP3, DKK3, and CXCL9, which are associated with fibrosis, inflammation, and immune cell attraction.

SourceMedical University of South Carolina·JournalJournal of Clinical Investigation·DateAug 2, 2023

People experience emotions with computer-generated art

A study published in Computer in Human Behavior found that people experience emotions and perceive intentions when viewing computer-generated artworks. Participants rated human-made art more positively than AI-generated art, even if they were told the latter was created by a person.

SourceUniversity of Vienna·JournalComputers in Human Behavior·DateAug 2, 2023
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.

New method simplifies the construction process for complex materials

Researchers developed a computational technique to quickly design and evaluate cellular metamaterial structures with unique properties. The new interface enables users to explore the entire space of potential shapes, allowing for faster development of complex materials.

SourceMassachusetts Institute of Technology·JournalACM Transactions on Graphics·DateAug 2, 2023

Calculations reveal high-resolution view of quarks inside protons

Researchers used supercomputers to predict the spatial distributions of charges, momentum, and other properties of 'up' and 'down' quarks within protons. The results revealed key differences in the characteristics of the up and down quarks, implying different contributions to the proton's fundamental properties.

SourceDOE/Brookhaven National Laboratory·JournalPhysical Review D·TypeComputational simulation/modeling·DateAug 2, 2023
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.

New method has promise for accurate, efficient soil carbon estimates

Researchers developed a new method to estimate soil organic carbon stocks in agricultural fields, reducing the number of samples needed by 30%. The approach uses doubly balanced sampling and accounts for auxiliary information available in elevation maps, satellite images, and previous surveys. By improving soil sampling efficiency, thi...

SourceUniversity of Illinois at Urbana-Champaign Institute for Sustainability, Energy, and Environment·JournalGeoderma·TypeData/statistical analysis·DateAug 2, 2023
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.

Study finds Black people less likely to be seen at memory clinic than white people

A study published in Neurology found that Black people are underrepresented in specialty memory care clinics and more likely to have advanced dementia upon initial evaluation. The disparity is linked to neighborhood disadvantage, with patients from less affluent neighborhoods having fewer opportunities for healthcare access.

SourceAmerican Academy of Neurology·JournalNeurology·DateAug 2, 2023

Solar-driven conversion of waste plastics into their building blocks

A novel catalyst design approach converts waste plastics into valuable monomers using photothermal catalysis fueled by clean solar energy. The integrated c-ZIF-8@SiO2 catalyst exhibits high stability and efficiency in upcycling PET into chemicals, promoting green and sustainable development.

SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalChinese Journal of Catalysis·DateAug 2, 2023

Study defines disparities in memory care

A new study from WashU Medicine reveals that patients from underrepresented groups and lower socioeconomic neighborhoods are less likely to receive specialized dementia care. Black patients are also more likely to be diagnosed with advanced-stage dementia, exacerbating healthcare disparities.

SourceWashU Medicine·JournalNeurology·TypeObservational study·DateAug 2, 2023

NUS scientists develop a new class of artificial water channels for more efficient industrial water purification

Researchers have created self-assembling protein-mimics that can selectivity transport water across membranes while rejecting salts, offering a potential solution to improve energy efficiency in industrial water purification. The oligourea foldamers are smaller and more stable than existing artificial water channels.

SourceNational University of Singapore·JournalChem·TypeExperimental study·DateAug 2, 2023
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

How the tropical red swamp crayfish successfully invaded the cold regions of Japan

Researchers found that invasive red swamp crayfish populations in Japan developed genetic changes enhancing cold resistance, including changes in the protective outer layer and peptidase inhibitors. These findings provide insights into molecular mechanisms of invasive species and may have potential medical applications.

SourceChiba University·JournaliScience·TypeExperimental study·DateAug 2, 2023

Stalking a silent killer

Researchers aim to treat pancreatic ductal adenocarcinoma by targeting amino acid transporter SLC6A14 and compensatory nutrient scavenging mechanisms autophagy and macropinocytosis. Using alpha-methyl-L-tryptophan and hydroxychlorquine, the study seeks to improve therapeutic outcomes in patients with pancreatic cancer.

SourceTexas Tech University Health Sciences Center·DateAug 2, 2023

Learning how to control HIV from African genomes

Researchers found a novel region in the genome associated with spontaneous control of HIV in populations of African ancestries. CHD1L, a protein involved in DNA repair, shows genetic variation specific to these populations and limits HIV replication in white blood cells.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature·DateAug 2, 2023
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.

The Power of host social interactions in bacterial evolution

Research reveals high transmission rate of E. coli cells between cohabiting hosts, leading to similar evolutionary events and microbiome species composition. Social interactions play a crucial role in shaping adaptive evolution of new gut bacteria strains.

SourceInstituto Gulbenkian de Ciencia·JournalMolecular Biology and Evolution·DateAug 2, 2023

True shape of lithium revealed for the first time in UCLA research

The study reveals that metallic lithium forms a rhombic dodecahedron in the absence of corrosion, which could lead to safer lithium-metal batteries with increased performance. The researchers developed a new technique for depositing lithium faster than corrosion forms, allowing them to observe this unique shape.

SourceCalifornia NanoSystems Institute·JournalNature·DateAug 2, 2023

Potential neuropathic pain treatment shows promise in preclinical tests

Researchers at Weill Cornell Medicine developed a non-opioid designer molecule to calm hyperactive pain-sensing neurons, showing promising results in preclinical studies. The novel drug effectively reversed neuropathic pain signs without cardiac side effects or sedation.

SourceWeill Cornell Medicine·JournalBritish Journal of Anaesthesia·DateAug 2, 2023
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.

An escape signal for the nematode: Artificial intelligence helps elucidate structure of a novel light sensor

A team of scientists has successfully elucidated the structure and function of LITE-1, a biomolecule used by Caenorhabditis elegans to detect danger. The researchers used artificial intelligence to predict the structure of LITE-1, which is a channel protein that forms a pore in the cell membrane allowing charged particles to pass through.

SourceGoethe University Frankfurt·JournalCurrent Biology·TypeExperimental study·DateAug 2, 2023