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Science News Archive October 2023 - Page 30


Page 30 of 37

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 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.

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
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 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
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.

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

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
Apple iPhone 17 Pro

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

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
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.

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
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.

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
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, 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

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
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.

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

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
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.

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
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.

Plot thickens in hunt for ninth planet

Researchers find evidence supporting Modified Newtonian Dynamics (MOND) as an alternative to Planet Nine hypothesis. MOND predicts precise orbital clustering in the outer solar system, which could be indicative of a modified law of gravity at play.

SourceCase Western Reserve University·JournalThe Astronomical Journal·TypeObservational study·DateOct 5, 2023

The medicine of the future could be artificial life forms

Researchers have created artificial hybrid molecules combining DNA and peptides, paving the way for the development of viral vaccines and artificial life forms. These building blocks can be used to create nanomachines that drill through cell membranes or target cancerous tumors, holding promise for combating difficult-to-cure diseases.

SourceUniversity of Southern Denmark·JournalCell Reports Physical Science·TypeSystematic review·DateOct 5, 2023

And then there were 6 — kinds of taste, that is

Scientists at USC Dornsife College of Letters, Arts and Sciences have found evidence of a sixth basic taste detected through ammonium chloride detection. They discovered that the tongue responds to ammonium chloride through the same protein receptor that signals sour taste.

SourceUniversity of Southern California·JournalNature Communications·TypeExperimental study·DateOct 5, 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.

Female chess players may experience gender bias from parents, mentors

Research by the American Psychological Association finds that parents and mentors often underestimate girls' chess abilities and perceive them as having a less supportive environment. This study highlights the need for continued structural support to improve girls' experiences in chess.

SourceAmerican Psychological Association·JournalJournal of Experimental Psychology·TypeSurvey·DateOct 5, 2023

Study shows enhanced pandemic-related infection prevention and control practices reduced incidence of healthcare-associated infections

A new study published in AJIC found that enhanced pandemic-related infection prevention and control measures significantly decreased healthcare-associated infections, including C. difficile, CLABSI, and RVIs. The findings suggest prioritizing evidence-based IPC practices can reduce HAIs even among vulnerable populations during extreme ...

SourceAssociation for Professionals in Infection Control·JournalAmerican Journal of Infection Control·TypeData/statistical analysis·DateOct 5, 2023

Detecting microplastics(MPs) with light!!

A research team developed a kit-type technology to rapidly detect microplastics in the field without pre-treatment. The technology uses surface-enhanced Raman scattering (SERS) and machine learning to identify types, numbers, and distributions of MPs, enabling accurate detection even in complex environments.

SourceNational Research Council of Science & Technology·JournalAdvanced Functional Materials·DateOct 5, 2023
Celestron NexStar 8SE Computerized Telescope

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

What are the risks of radioactive wastewater release – the next of which is October 5th – from Fukushima Daiichi nuclear plant?

The planned releases of radioactive wastewater from Fukushima Daiichi will have negligible effects on the environment, according to a study published in Science. The predicted radiation doses from the discharges are smaller than exposure to natural radiation or medical x-rays, posing no real threat to local seafood consumers.

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

New findings pave the way for hearing loss therapies

Researchers at the University of Basel have discovered a key signaling pathway that influences auditory sensory cell function and is downregulated with age. Removing this pathway from mouse hair cells leads to rapid hearing loss, highlighting its importance.

SourceUniversity of Basel·JournaliScience·DateOct 5, 2023

Factors associated with marijuana use among high-risk college students

A new study examines cannabis use patterns, motivations, and risk factors among college students at a large public university in the southeastern US. The researchers found that top reasons for cannabis use were relaxation and social pressure, while daily users reported higher quantity of cannabis per day.

SourceTexas A&M University·JournalCannabis·DateOct 5, 2023
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.

How to protect self-esteem when a career goal dies

A new study found that people who viewed career goal failures as a steppingstone to new opportunities never lost self-esteem, while those who thought their failures left them worse off showed a drop-off in self-esteem. The study suggests that people should approach failure in a way that can help them learn and grow.

SourceOhio State University·JournalJournal of Adult Development·TypeExperimental study·DateOct 5, 2023