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Science News Archive July 2024 - Page 9


Page 9 of 41

Nonreciprocal interactions go nonlinear

A University of Vienna team observed nonlinear and Non-Hermitian dynamics in a tabletop experiment using two glass nanoparticles. The researchers created a positive feedback loop resembling a chase-runaway dynamic, where one particle forces the other into motion, resulting in amplified amplitude and nonlinear dynamics.

SourceUniversity of Vienna·JournalNature Physics·DateJul 25, 2024

Little trust in Dr. ChatGPT

A new study published in Nature Medicine found that people rate medical advice as less reliable and empathetic when an AI is believed to be involved. Despite this, respondents were still less willing to follow AI-supported recommendations compared to advice from human doctors.

SourceUniversity of Würzburg·JournalNature Medicine·TypeExperimental study·DateJul 25, 2024

NIH awards Wake Forest University School of Medicine $28.2 million to accelerate translation of scientific discoveries

The Wake Forest University School of Medicine has been awarded a $28.2 million grant from the National Institutes of Health to accelerate the translation of scientific discoveries. The grant will support initiatives such as rapid response to health emergencies and the recruitment of diverse academic learning health system workforce.

SourceAtrium Health Wake Forest Baptist·DateJul 25, 2024

Tackling industrial emissions begins at the chemical reaction

Researchers at the University of Sydney have proposed a new way to reduce industrial emissions by utilizing liquid metals in chemical reactions. This approach aims to decrease energy requirements and lower greenhouse gas emissions.

SourceUniversity of Sydney·JournalScience·TypeObservational study·DateJul 25, 2024
Apple iPhone 17 Pro

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

Unlocking solar efficiency: a leap in perovskite solar cell technology

Researchers unveiled three novel hole transport materials enhancing the efficiency of n-i-p PSCs by up to 24%, offering a promising step towards commercially viable solar energy solutions. The development of these materials marks a significant step towards making PSCs more economically viable.

SourceTsinghua University Press·JournalEnergy Materials and Devices·DateJul 25, 2024

Recent insights and advances in treatment and management show promise in stemming the growing prevalence of diabetes

A recent paper surveys advances in diabetes pathogenesis and treatment, highlighting the role of genes, environmental factors, and social determinants. The study suggests that understanding these dynamics is key to developing targeted interventions to reduce diabetes risk and manage its complications.

SourceUniversity of California - Los Angeles Health Sciences·JournalCell·TypeLiterature review·DateJul 25, 2024

A soft needle in an oceanic haystack

A team of Harvard researchers has discovered a new species of chordate, Nuucichthys rhynchocephalus, in the Drumian Marjum Formation of the American Great Basin. The fossil provides valuable insights into early vertebrate evolution and biodiversity, as it is one of only four species documenting this stage of vertebrate lineage.

SourceHarvard University·JournalRoyal Society Open Science·TypeObservational study·DateJul 25, 2024

Medicaid policies increase diverse participation in cancer clinical trials

A new study found that two Medicaid policies can interact to increase oncology clinical trial enrollment among Black and Hispanic patients. Medicaid expansion under the ACA alone did not improve diversity, but states with pre-existing mandates requiring coverage of clinical trial costs saw a significant increase.

SourceWeill Cornell Medicine·JournalJournal of Clinical Oncology·DateJul 25, 2024
Celestron NexStar 8SE Computerized Telescope

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

An effective strategy to inhibit grain coarsening: Construction of multi-element co-segregated grain boundary complexion

Researchers have developed a method to prevent grain coarsening in ceramics by creating complexions with multiple dopants co-segregated at the grain boundaries. The study shows that this approach can significantly reduce grain growth rates, but may also lead to liquid phase sintering if not optimized.

SourceTsinghua University Press·JournalJournal of Advanced Ceramics·DateJul 25, 2024

Svalbard: Non-native species are threatening vulnerable plant life

Researchers warn that increasing human activity and climate change could lead to the accidental introduction of non-native plant species to Svalbard, posing a threat to native plants. The study identifies three high-potential species that could spread rapidly if given suitable conditions.

SourceNorwegian University of Science and Technology·JournalNeoBiota·TypeObservational study·DateJul 25, 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.

Tulane study says new drug shows promise in clearing HIV from brain

A new drug has shown promise in clearing HIV from the brain by targeting infected cells and reducing viral load. The treatment, BLZ945, successfully cleared the virus from brain tissue, providing a potential new avenue for HIV treatment.

SourceTulane University·JournalBrain·TypeRandomized controlled/clinical trial·DateJul 25, 2024

Penn researchers reveal how a bacterium supports healing of chronic diabetic wounds

A study by Penn researchers found that the bacterium Alcaligenes faecalis promotes wound healing in people with diabetes by inhibiting enzymes that are over-produced in these individuals. The findings could lead to the development of topical or bacterial-based treatments for patients with hard-to-treat wounds.

SourceUniversity of Pennsylvania School of Medicine·JournalScience Advances·DateJul 25, 2024

65 million Americans now own firearms for protection, suggests survey

The study found that 79% of gun owners cited protection as the primary reason for owning a firearm, with increasing numbers of women and minority ethnic backgrounds citing this reason. Gun ownership has become predominantly motivated by protection, appealing to demographics beyond traditional firearm owners.

SourceBMJ Group·JournalInjury Prevention·TypeObservational study·DateJul 25, 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.

High levels of ozone and grass pollen expected for Paris Olympics/Paralympics

The 2024 Olympic and Paralympic Games in Paris are likely to experience high levels of ozone and grass pollen, potentially affecting athletes' health. Background air quality monitoring data suggests that PM2.5 levels are below the WHO recommended threshold, but NO2 levels exceed the limit at some stations

SourceBMJ Group·JournalBritish Journal of Sports Medicine·TypeObservational study·DateJul 25, 2024

Artificial blood vessels could improve heart bypass outcomes

Researchers at the University of Edinburgh have developed strong, flexible gel-like tubes that mimic the properties of human veins. These artificial blood vessels could transform the treatment of cardiovascular diseases by replacing the current human and synthetic veins used in heart bypass surgeries.

SourceUniversity of Edinburgh·JournalAdvanced Materials Technologies·TypeExperimental study·DateJul 25, 2024

Bilateral mastectomy and breast cancer mortality

Women with bilateral mastectomy have a greatly diminished risk of contralateral breast cancer, yet experience similar mortality rates as patients treated with lumpectomy or unilateral mastectomy. The study highlights the importance of considering long-term risks and benefits in breast cancer treatment decisions.

SourceJAMA Network·JournalJAMA Oncology·DateJul 25, 2024
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.

Fresh light on the path to net zero

Researchers from UNSW used magnetic fields to study singlet fission, a process that breaks light particles into smaller chunks, increasing efficiency. The study could lead to improved silicon solar cell technologies, potentially achieving over 30% efficiency and reducing energy costs.

SourceUniversity of New South Wales·JournalNature Chemistry·DateJul 25, 2024

Does fertility affect a woman’s body odor?

Researchers analyzed underarm odour samples from 29 women over a menstrual cycle, finding no evidence that men prefer fertile days. Chemical analysis also showed no correlation between odour composition and fertility status.

SourceUniversität Leipzig·JournalProceedings of the Royal Society B Biological Sciences·TypeExperimental study·DateJul 25, 2024

Unlocking new potential in solar tech: dimethyl acridine enhances perovskite solar cells

Researchers have developed a novel dimethyl acridine-based self-assembled monolayer (SAM) that improves the efficiency and stability of perovskite solar cells. The new SAM, called 2PADmA, enhances carrier transport, passivates defects, and reduces nonradiative recombination, leading to a power conversion efficiency (PCE) of 24.01%.

SourceTsinghua University Press·JournalEnergy Materials and Devices·DateJul 25, 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.

Use of flurbiprofen ester in 4-dimensional hysterosalpingography: does flurbiprofen ester relieve pain during an infertility evaluation?

A new study found that flurbiprofen ester injection via continuous intravenous drip significantly relieved pain during transvaginal 4-dimensional hysterosalpingography (TVS 4D-HyCoSy) for infertility patients. The use of flurbiprofen ester also reduced the incidence of adverse reactions during the contrast examination.

SourceCompuscript Ltd·JournalBIO Integration·DateJul 25, 2024

Important region of marine ecosystem in Southwest Atlantic is shallower than expected, study finds

A new study has determined the vertical limits of the marine environment in the Southwest Atlantic, revealing that the mesophotic zone extends to a depth of between 15m and 18m. The research found distinct differences in fish diversity and species composition between the shallow and mesophotic zones.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalMarine Environmental Research·DateJul 25, 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.

NASA’s Fermi finds new feature in brightest gamma-ray burst yet seen

The NASA/Goddard Space Flight Center's Fermi telescope has discovered a unique emission line in the spectrum of the brightest gamma-ray burst ever recorded. This phenomenon was detected using data from the Fermi Gamma-Ray Space Telescope and provides new insights into the physics of gamma-ray bursts.

SourceNASA/Goddard Space Flight Center·JournalScience·DateJul 25, 2024
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.

World Hepatitis Day 2024: Madrid study shows decrease in active hepatitis C infection among risk groups, indicating effectiveness of public health measures

A Madrid study found a significant decrease in active hepatitis C infection among people who use drugs (PWUD) from 23% to 6% between 2017 and 2023. The study attributed this decline to improved access to testing and treatment, as well as public health campaigns.

SourceEuropean Centre for Disease Prevention and Control (ECDC)·JournalEurosurveillance·TypeObservational study·DateJul 25, 2024

Pesticides potentially as bad as smoking for increased risk in certain cancers

A recent study published in Frontiers found that pesticide use is associated with increased cancer risk, particularly for Non-Hodgkins lymphoma, leukemia, and bladder cancer. The researchers discovered a strong correlation between pesticide exposure and cancer incidence, rivalling the effects of smoking.

SourceFrontiers·JournalFrontiers in Cancer Control and Society·TypeData/statistical analysis·DateJul 25, 2024

Intelligent compaction: ensuring highway durability with advanced monitoring

A study published in Journal of Intelligent Construction explores using roller-integrated compaction monitoring technology combined with RTK-BDS to enhance compaction quality assessment. The approach demonstrated CMV's reliability as a compaction quality indicator, showing strong correlation with compactness.

SourceTsinghua University Press·JournalJournal of Intelligent Construction·DateJul 24, 2024
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.

New study confirms mammal-to-mammal avian flu spread

A Cornell University study reveals efficient and sustained mammalian-to-mammalian transmission of highly pathogenic avian influenza H5N1 between cows and from cows to cats and a raccoon. The virus shows high tropism for the mammary gland and infectious viral loads in milk.

SourceCornell University·JournalNature·DateJul 24, 2024

Researchers discover faster, more energy-efficient way to manufacture an industrially important chemical

Researchers at Argonne National Laboratory have developed a faster and more energy-efficient way to manufacture propylene, a key chemical in producing polypropylene. The new process uses zirconium combined with silicon nitride, yielding higher catalytic activity and lower operating temperatures.

SourceDOE/Argonne National Laboratory·JournalJournal of the American Chemical Society·DateJul 24, 2024
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.

How can intelligent technology and scenario-based operations transform urban neighborhoods into smart, future-ready environments?

This article proposes a pathway for creating smart neighborhoods by integrating intelligent technology with scenario-based operations. It explores how this approach can improve the design, construction, and operation of future urban neighborhoods, providing a reference for China's smart neighborhood construction.

SourceHigher Education Press·JournalLandscape Architecture Frontiers·TypeCase study·DateJul 24, 2024

George Mason University researchers lead breakthrough study to find functional cure for HIV

Researchers at George Mason University's Center for Infectious Disease Research have made a breakthrough in finding a functional cure for HIV. Using an HIV-like virus particle called HIV Rev-dependent lentiviral vector, the team was able to reduce viral reservoirs and boost the immune system to produce antiviral neutralizing antibodies.

SourceGeorge Mason University·JournalGene Therapy·TypeExperimental study·DateJul 24, 2024

Nanoscale device simultaneously steers and shifts frequency of optical light, pointing the way to future wireless communication channels

Researchers have developed a metasurface that can reflect light at multiple frequencies, enabling faster wireless communication channels. The device operates in reflection mode at optical frequencies, offering thousands of times more bandwidth than current Wi-Fi.

SourceCalifornia Institute of Technology·JournalNature Nanotechnology·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.

NASA’s Webb images cold exoplanet 12 light-years away

Astronomers have directly imaged the coldest exoplanet, Epsilon Indi Ab, using NASA's James Webb Space Telescope. The planet is around 2 degrees Celsius colder than previously imaged planets, providing a rare opportunity to study its atmospheric composition.

SourceNASA/Goddard Space Flight Center·JournalNature·DateJul 24, 2024

Older adults want to cut back on medication, but study shows need for caution

A new University of Michigan study found that over 82% of Americans aged 50-80 take one or more prescription medications, with 80% open to stopping certain drugs. However, researchers stress the importance of personalized guidance for deprescribing older adults, particularly those taking medication for cardiovascular disease or diabetes.

SourceMichigan Medicine - University of Michigan·JournalJournal of General Internal Medicine·TypeSurvey·DateJul 24, 2024

New study finds alarming rise in persistent ‘forever chemicals’ in pesticides

A comprehensive study reveals that per- and polyfluoroalkyl substances (PFAS) are increasingly added to US pesticide products, contaminating waterways and posing potential threats to human health. The study found that pesticides containing PFAS are widely used in staple foods, flea treatments for pets, and insect-killing sprays.

SourceEnvironmental Working Group·JournalEnvironmental Health Perspectives·TypeContent analysis·DateJul 24, 2024

Advanced printing crafts precision scaffolds for tissue regeneration

Researchers developed core-shell microfibrous scaffolds that excel in rotator cuff repair, restoring natural morphology and mechanical properties. The acellular, in situ tissue engineering technology harnesses stem cell regenerative abilities to provide robust biological regeneration without cell seeding.

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateJul 24, 2024
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.

Experts outline considerations to deploy AI in radiology

The Special Report explores expert perspectives on deploying AI in radiology, emphasizing the need for trust, reproducibility, explainability, and accountability. Radiologists must be able to trust in AI systems' design and receive adequate training, while establishing clear guidelines regarding clinical accountability.

SourceRadiological Society of North America·JournalRadiology Artificial Intelligence·DateJul 24, 2024

Researchers highlight ChatGPT’s role in bioinformatics and biomedical informatics

ChatGPT has shown impressive capabilities in tasks related to knowledge-mining and text-generation, but exhibited limitations in quantitative analysis and reasoning. The researchers emphasize the importance of human expert augmentation and efficient prompt engineering to minimize hallucination and improve response accuracy.

SourceHigher Education Press·JournalQuantitative Biology·TypeExperimental study·DateJul 24, 2024

New gene therapy approach shows promise for Duchenne muscular dystrophy

Researchers developed a triple-adeno-associated virus vector system to deliver full-length dystrophin protein into muscles, restoring muscle health and strength in mice models with Duchenne muscular dystrophy. The approach has shown promise for treating patients with the genetic disorder.

SourceIndiana University School of Medicine·JournalNature Communications·DateJul 24, 2024

Scientists assess how large dinosaurs could really get

A new study uses computer modeling to estimate the maximum possible size of Tyrannosaurus rex, suggesting it could be 70% heavier than current estimates. The researchers found that finding an animal in the top 99.99% of body size would require excavating fossils for another 1,000 years.

SourceCanadian Museum of Nature·JournalEcology and Evolution·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.