Add BrightSurf on Google Email

Science News Archive 2023 - Page 98


Page 98 of 444

Ginger pigment molecules found in fossil frogs

Researchers found preserved molecular fragments of the pigment phaeomelanin in 10-million-year-old frog fossils, which could help reconstruct ancient animal colors. This discovery may be a first step towards understanding the evolution of toxic phaeomelanin.

SourceUniversity College Cork·JournalNature Communications·TypeImaging analysis·DateOct 6, 2023

Scientists investigate Grand Canyon's ancient past to predict future climate impacts

Researchers analyzed an ancient stalagmite from a Grand Canyon cave to understand the relationship between global warming and the strength of the North American Monsoon. They found that increasing moisture during the early Holocene period may lead to greater summer rainfall on the Colorado Plateau and intensifying monsoons in the future.

SourceUniversity of New Mexico·JournalNature Geoscience·TypeData/statistical analysis·DateOct 6, 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.

Pulsars may make dark matter glow

Scientists propose that pulsars could detect dark matter by observing a subtle additional glow. If axions are produced in strong electromagnetic fields around pulsars, they could convert into observable light.

SourceUniversiteit van Amsterdam·JournalPhysical Review Letters·TypeComputational simulation/modeling·DateOct 6, 2023

Lurbinectedin for Neuroendocrine Tumors (NETs)

Researchers discuss lurbinectedin as a method to treat neuroendocrine tumors (NETs), with encouraging results from phase II basket studies demonstrating activity in platinum-sensitive relapsed SCLC and other malignancies. Lurbinectedin's mechanism of action involves inhibiting oncogenic transcription, promoting apoptosis and cell death.

SourceImpact Journals LLC·JournalOncoscience·TypeCommentary/editorial·DateOct 6, 2023

Integrated health services in Africa can improve patient care and save money

A new study led by UCL researchers finds that integrated health care for chronic high-burden conditions like diabetes and hypertension is feasible and cost-effective. The study showed that integrated care was associated with high levels of retention in care, no adverse effect on viral suppression among people with HIV, and cost-saving ...

SourceUniversity College London·JournalThe Lancet·TypeRandomized controlled/clinical trial·DateOct 6, 2023

Fathers’ parental leave might protect men against alcohol-related morbidity

A Swedish study finds that fathers' parental leave is associated with a 34% decrease in alcohol-related hospitalizations among fathers, as well as smaller decreases over time. The policy change led to increased fathers' use of parental leave, which may explain the observed health benefits.

SourceStockholm University·JournalAddiction·TypeObservational study·DateOct 6, 2023
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.

Cancer research: Metabolite drives tumor development

A University of Basel study reveals that high levels of arginine drive metabolic reprogramming to promote tumor growth. The findings suggest targeting the specific arginine-binding factor for effective liver cancer treatment.

SourceUniversity of Basel·JournalCell·DateOct 6, 2023

Optically anisotropic, electrically tunable microlens arrays formed via single-step photopolymerization-induced phase separation in polymer/liquid-crystal composite materials

Researchers developed a simple, one-step method for creating large-area liquid crystal microlens arrays (LC-MLAs) with high focusing quality. The LC-MLAs demonstrate polarization-dependent, electrically tunable properties, allowing for adjustable focal length and image depth control.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight: Advanced Manufacturing·DateOct 6, 2023

Researchers create a neural network for genomics—one that explains how it achieves accurate predictions

A team of New York University computer scientists created a neural network that can explain how it reaches its predictions, shedding light on the intricacies of RNA splicing. The breakthrough reveals how a small, hairpin-like structure in RNA can decrease splicing and provides new insights into the transfer of genomic information.

SourceNew York University·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateOct 6, 2023

Offspring of teen, young adult women with cancer history more likely to have birth defects

A recent study by UTHealth Houston found that the offspring of adolescent and young adult women with a history of cancer face a higher risk of birth defects. The study examined 6,882 offspring ages 12 months and younger and found an increased risk of specific types of defects in the offspring of women with a history of cancer.

SourceUniversity of Texas Health Science Center at Houston·JournalCancer Epidemiology Biomarkers & Prevention·DateOct 6, 2023

Patterns in physician burnout

A survey of 1,373 physicians reveals a growing trend of physician burnout, which could compromise patient care. The study highlights the urgent need for solutions to address this critical issue affecting the healthcare sector.

SourceJAMA Network·JournalJAMA Network Open·DateOct 6, 2023
Meta Quest 3 512GB

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

A 130g soft robot gripper lifts 100kg?

A team of researchers from KIST and KAIST developed a soft robotic gripper that can lift objects weighing over 100 kg using only 130 grams of material. The gripper's woven structure is inspired by textiles and achieves high performance, cost-effectiveness, and process efficiency.

SourceNational Research Council of Science & Technology·JournalNature Communications·DateOct 6, 2023

Lack of sexually related injuries does not mean rape victim was ‘making it up’

A new study analyzing over 3,000 women found that more than half of rape survivors had no detectable anogenital injuries, despite being examined by experts. The research challenges the myth that physical violence is always present in rape cases, highlighting the need to support survivors and challenge cultural attitudes towards reporti...

SourceUniversity of Birmingham·JournalEClinicalMedicine·TypeMeta-analysis·DateOct 6, 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.

Super-efficient laser light-induced detection of cancer cell-derived nanoparticles

Osaka Metropolitan University scientists have developed a super-efficient laser light-induced detection method that reduces detection time from hours to minutes. The technique allows for ultrafast and ultrasensitive measurement of biological nanoparticles, including exosomes, with diameters of 50–150 nm.

SourceOsaka Metropolitan University·JournalNanoscale Horizons·TypeExperimental study·DateOct 6, 2023

Possible tool discovered to diagnose common contributor to vascular dementia

Researchers discovered a non-invasive eye exam that can detect early signs of cognitive decline and cerebral small vessel disease, a major contributor to vascular dementia. The study found connections between altered retinal blood flow and changes in brain structure associated with the condition.

SourceKeck School of Medicine of USC·TypeExperimental study·DateOct 6, 2023

How do our brains tell us what went wrong?

A team of neuroscientists has identified specific neurons in the auditory cortex that only respond to sounds that violate expectations, sending a message that a mistake has been made. These 'prediction-error neurons' may play a vital role in learning how to speak or play musical instruments.

SourceNew York University·JournalJNeurosci·TypeExperimental study·DateOct 6, 2023

The currency of conservation

A new study led by researchers at the University of Tennessee, Knoxville, proposes a way to improve the effectiveness of conservation funding by giving organizations more freedom to allocate funds. By doing so, the team found that conservation projects can offer a high return on investment and make a greater impact on species protection.

SourceNorth Carolina State University·JournalFrontiers in Ecology and the Environment·TypeData/statistical analysis·DateOct 6, 2023
Apple iPhone 17 Pro

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

Study validates pyrvinium as treatment to prevent stomach cancer

A study published in Gastroenterology validated pyrvinium as a potential preventative treatment for stomach cancer. The drug induces cell death in precancerous lesions by targeting specific stem cells through dual MEK/ERK and STAT3 inhibition, suggesting lower adverse effects on tissue regeneration.

SourceVanderbilt University Medical Center·JournalGastroenterology·DateOct 6, 2023

Astronomers discover first step toward planet formation

Researchers have observed a unique stage in the development of planetary systems by detecting a smooth protoplanetary disk around the young star DG Taurus. This discovery provides new insights into the conditions at the start of planet formation, challenging current theoretical expectations.

SourceNational Institutes of Natural Sciences·JournalThe Astrophysical Journal·TypeObservational study·DateOct 6, 2023

New research led by Mays Cancer Center reveals how mutations in BRCA1 affect cancer susceptibility in women

Researchers have pinpointed the molecular mechanism by which a large portion of BRCA1 mutations cause cancers in women. The study found that the E3 ligase activity of BRCA1 is crucial in several stages of DNA repair and tumor suppression, reinterpreting previous findings.

SourceUniversity of Texas Health Science Center at San Antonio·JournalMolecular Cell·TypeExperimental study·DateOct 6, 2023
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.

New pathways of Alzheimer's disease identified

A new study has identified two main pathways involved in Alzheimer's disease, with one acting through amyloid and tau proteins and the other based on immune system reactions. The research also found that certain genes have opposite effects in men and women, suggesting a need for further investigation.

SourceUniversity of Lübeck·JournalGenome Medicine·TypeObservational study·DateOct 6, 2023

Ultra-wideband heterogeneous integrated photodiodes on thin-film lithium niobate platform

Researchers have developed high-speed and high-responsivity photodetectors on a thin-film lithium niobate platform, achieving a 3-dB bandwidth of 110 GHz and responsivity of 0.4 A/W at 1550-nm wavelength. The devices demonstrate potential for ultra-high-speed optical communications and multi-function integrated quantum photonics.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight: Advanced Manufacturing·DateOct 6, 2023

Deciphering the intensity of past ocean currents

New study uses flume-tank experiments to observe changes in sediment deposits and current velocities, revealing insights into past ocean currents. The findings have huge application potential for understanding climate, pollution transport, and benthic ecology.

SourceMARUM - Center for Marine Environmental Sciences, University of Bremen·JournalNature Communications·DateOct 6, 2023

Groundbreaking study shows defects spreading through diamond faster than the speed of sound

A groundbreaking study reveals that linear defects in diamond can spread at speeds exceeding the speed of sound, which could impact our understanding of material strength, failure, and manufacturing. This discovery may lead to new insights into earthquake ruptures, structural failures, and precision manufacturing.

SourceDOE/SLAC National Accelerator Laboratory·JournalScience·TypeExperimental study·DateOct 5, 2023
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.

A new qubit platform is created atom by atom

Researchers at IBS Center for Quantum Nanoscience created a novel electron-spin qubit platform assembled atom-by-atom on a surface, demonstrating ability to control multiple qubits. This breakthrough enables application of single-, two-, and three-qubit gates.

SourceInstitute for Basic Science·JournalScience·TypeExperimental study·DateOct 5, 2023

New cancer drug targets uncovered using base editing and chemical proteomics

Researchers at Scripps Research have identified promising cancer drug targets by combining precise genome engineering and protein activity profiling. They used base editing to alter thousands of possible drug targets, then integrated the data with chemical proteomic information to pinpoint hundreds of potential targets.

SourceScripps Research Institute·JournalNature Chemical Biology·DateOct 5, 2023

AI helps reduce online harassment by enhancing conversation courtesy

Researchers at BYU and Duke University found that AI can improve conversation quality and promote civil dialogue in online interactions. By using AI-generated rephrasings of users' messages, participants exhibited greater willingness to listen to opposing viewpoints and reported higher conversation quality.

SourceBrigham Young University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateOct 5, 2023

Andalusian families do not have the same bilingual education opportunities

A study found that socio-economic factors, school type, and location greatly impact access to bilingual education in Andalusia. Public schools offer bilingual education to a much lesser extent than semi-private or private ones. The researchers propose reconfiguring areas of influence, changing admissions models, or encouraging low-inco...

SourceUniversity of Córdoba·JournalLanguage and Education·DateOct 5, 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.

Physiology: Classical symphonies may lead to synchronised physical responses

A study of 132 people found that classical music induces synchronisation in physical responses among concert audience members. Personality traits such as agreeableness and openness are associated with increased likelihood of synchronisation. Synchronisation was observed in movement, heart rate, breathing rate, and skin conductivity.

SourceScientific Reports·JournalScientific Reports·TypeExperimental study·DateOct 5, 2023

Observation of left and right at nanoscale with optical force

The study successfully observed the chiro-optical effect at the nanoscale, demonstrating the ability to analyze the chiral structure of matter using light. Different images were obtained when illuminating with right- or left-circularly polarized light, clarifying that local handedness can be distinguished.

SourceNational Institutes of Natural Sciences·JournalNano Letters·TypeExperimental study·DateOct 5, 2023

Special Issue: Ancient DNA

Recent advances in ancient DNA have greatly expanded our knowledge of evolutionary history, including the study of non-European regions. Finer-scale investigations can provide insights into past histories of neglected communities and inform conservation efforts.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateOct 5, 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.

How much are you willing to pay for a product or service? It depends on your other options and the given context

A new study published in the Journal of Marketing presents the Comparative Method of Valuation as a more accurate way to measure customers' willingness to pay. The study finds that existing methods can provide vague and inaccurate results due to their inability to capture relevant comparisons or context.

SourceAmerican Marketing Association·JournalJournal of Marketing·DateOct 5, 2023

Green hydrogen could reach economic viability by co-production of valuable chemicals

Researchers have discovered a way to make solar hydrogen production economically viable by co-producing high-value chemicals like methylsuccinic acid. By coupling the photoelectrochemical (PEC) process with hydrogenation, the cost of hydrogen drops significantly, making it competitive with fossil gas.

SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalNature Communications·TypeExperimental study·DateOct 5, 2023

Esketamine nasal spray effective against depression

A Phase IIIb study published in the New England Journal of Medicine found that esketamine nasal spray achieved higher remission rates (27.1%) compared to quetiapine extended-release (17.6%) in patients with treatment-resistant depression, indicating its potential as a targeted therapy for this population.

SourceGoethe University Frankfurt·JournalNew England Journal of Medicine·TypeRandomized controlled/clinical trial·DateOct 5, 2023

Scientists discover the highest energy gamma-rays ever from a pulsar

Researchers using H.E.S.S. observatory in Namibia have detected the highest energy gamma rays ever from a dead star called a pulsar, with energies reaching up to 20 tera-electronvolts. This observation challenges our previous knowledge of pulsars and requires a rethinking of how these natural accelerators work.

SourceDeutsches Elektronen-Synchrotron DESY·JournalNature Astronomy·TypeExperimental study·DateOct 5, 2023

Discovery made about Fischer Tropsch process could help improve fuel production

Researchers at Washington State University have made a groundbreaking discovery about the Fischer Tropsch process, a key step in converting coal, natural gas, and biomass into liquid fuels. The team found that the process exhibits self-sustained oscillations, which can be harnessed to enhance reaction rates and product yields.

SourceWashington State University·JournalScience·DateOct 5, 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.

First epidemiological study links popular weight-loss drugs to stomach paralysis, other serious gastrointestinal conditions

A large epidemiological study found a higher incidence of stomach paralysis, pancreatitis, and bowel obstruction in patients taking GLP-1 agonist medications for weight loss. The study, published in JAMA, highlights the need for updated warning labels to inform patients of these potential risks.

SourceUniversity of British Columbia·JournalJournal of the American Medical Association·TypeData/statistical analysis·DateOct 5, 2023

Factors linked to racial disparities in chronic pain after injury

A new study finds that racial and ethnic disparities in chronic pain after acute traumatic injury are driven by differences in the nature of and health care response to acute injuries. Factors associated with disparities include mechanism of injury, severity of injury, pain in the hospital, and length of hospital stay.

SourceUniversity of Pennsylvania·JournalInjury Prevention·TypeObservational study·DateOct 5, 2023

New UC Davis study looks at attitudes towards political violence

A new UC Davis study investigates the complex mix of attitudes and concerns about the state of democracy in the US. While most respondents reject political violence altogether, some believe it is usually or always justified to advance political objectives.

SourceUniversity of California - Davis Health·JournalInjury Epidemiology·TypeSurvey·DateOct 5, 2023
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.

New, independent ages confirm antiquity of ancient human footprints at White Sands

Ancient human footprints discovered in White Sands National Park have been confirmed to be over 20,000 years old. Multiple independent age estimates from radiocarbon and optically simulated luminescence methods support the previous study's claims, showing humans inhabited southern North America during the Last Glacial Maximum.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateOct 5, 2023

K-pop fans helped COVID-19 public health messaging go viral

A Dartmouth-led study found that tweets featuring K-pop group BTS generated 111 times more virality than similar tweets without the artist's name. This highlights the power of entertainment in driving public health messages and bridging cultural divides.

SourceDartmouth College·JournalOnline Social Networks and Media·DateOct 5, 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.

Can masculine marketing convince more men to eat vegan?

Researchers investigated whether marketing can influence men's perceptions of vegan food. They found that while short-term interventions may not change consumption habits, long-term approaches could lead to improved attitudes towards veganism.

SourceFrontiers·JournalFrontiers in Communication·TypeExperimental study·DateOct 5, 2023

Racial and ethnic disparities in glycemic control among insured adults

A study of 4,070 insured adults with diabetes found persistent disparities in poor glycemic control, even after adjusting for social, healthcare, and behavioral factors. The research highlights the need for further investigation into the barriers contributing to these disparities.

SourceJAMA Network·JournalJAMA Network Open·DateOct 5, 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.

MSU research shows plants could worsen air pollution on a warming planet

A team from Michigan State University discovered that, on a warming planet, plants like oaks and poplars will emit more of a compound called isoprene, exacerbating poor air quality. This finding has significant implications for understanding the impact of climate change on air pollution.

SourceMichigan State University·JournalProceedings of the National Academy of Sciences·DateOct 5, 2023

Developing a configuration of a PEMFC battery that is 10% more efficient

Researchers at the University of Seville have developed a more efficient configuration for proton-exchange membrane fuel cell batteries, increasing their performance by up to 10%. The new design outperforms other options and reduces energy consumption, making it suitable for use in electric vehicles.

SourceUniversity of Seville·JournalEnergy·DateOct 5, 2023

Fear of humans pervades the South African savanna

A recent study found that animals in the Greater Kruger National Park react with alarm to hearing human voices, fleeing waterholes and abandoning their habitat. The researchers used custom sound systems to compare the fear response of mammals to humans versus lions.

SourceCell Press·JournalCurrent Biology·TypeObservational study·DateOct 5, 2023

Generating circularly polarized light

The Heidelberg team developed a hybrid metal-halide perovskite semiconductor with high photoluminescence quantum efficiency and strong chirality, generating bright circularly polarised light. This breakthrough material combines the best of inorganic and organic semiconductors, enabling applications in optoelectronics and information pr...

SourceHeidelberg University·JournalScience Advances·DateOct 5, 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.