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Science News Archive July 2023 - Page 19


Page 19 of 36

The legacy of past disturbance shapes coastal forest soil stability

A soil transplant experiment found that soils with a history of salinity and inundation are more resistant to changes in water properties and movement. The study suggests that disturbance legacies shape coastal forest soil responses to changing salinity and inundation, varying across landscapes.

SourceDOE/US Department of Energy·JournalSoil Biology and Biochemistry·TypeObservational study·DateJul 18, 2023

A deep dive into the evolution of clownfish

A new study provides new insights into the genomic architecture and evolutionary mechanisms that have allowed clownfish to diversify and thrive in various ecological niches. The study revealed a genome-wide acceleration in evolution among clownfish, with over 5% of all genes found to be under positive selection.

SourceSMBE Journals (Molecular Biology and Evolution and Genome Biology and Evolution)·JournalGenome Biology and Evolution·TypeObservational study·DateJul 17, 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.

ChatGPT’s responses to people’s healthcare-related queries are nearly indistinguishable from those provided by humans, new study reveals

A new study by NYU Tandon School of Engineering and Grossman School of Medicine reveals that chatbots' responses to people's healthcare-related queries are nearly indistinguishable from those provided by humans. Participants were able to correctly identify human-generated responses only 65.1% of the time, while chatbot responses were a...

SourceNYU Tandon School of Engineering·JournalJMIR Medical Education·DateJul 17, 2023

Researchers develop AI model to better predict which drugs may cause birth defects

A new AI model predicts which existing medicines may lead to congenital disabilities by analyzing genetic associations, drug targets, and gene expression changes. The study's findings have the potential to improve reproductive health and fetal development by identifying potential toxins in new drugs.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalCommunications Medicine·TypeData/statistical analysis·DateJul 17, 2023

What do bats, priests and rabbis have in common?

A new computer science tool is applied to examine Judeo-Christian relations in literature from the early first centuries CE, yielding wondrous results. The study reveals that Jewish sources are familiar with early Christian sources, but show wider geographical familiarity with both eastern and western Christian sources in later periods.

SourceBen-Gurion University of the Negev·JournalHumanities and Social Sciences Communications·TypeComputational simulation/modeling·DateJul 17, 2023
Apple iPhone 17 Pro

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

A new milestone for flexible magnetic sensors

Researchers from Bar-Ilan University have developed flexible magneto-resistive sensors with unprecedented sensitivity, detecting low-frequency magnetic fields smaller than 200 pico-Tesla. The breakthrough offers new opportunities for flexible sensor integration in medical devices, soft robotics, and other applications.

SourceBar-Ilan University·JournalApplied Physics Letters·DateJul 17, 2023

Nanomedicine for treating inflammatory bowel disease

Researchers developed nanoparticles that mimic the glycocalyx pattern to treat inflammatory bowel disease. The treatment reduced symptoms and inflammation in mice with IBD, with specific versions showing significant improvement.

SourceWiley·JournalAngewandte Chemie International Edition·TypeExperimental study·DateJul 17, 2023

Reprogramming the shape of virus capsids could advance biomedicine

Scientists have developed a way to program virus particles' size and shape using DNA origami nanostructures, potentially advancing vaccine development and drug delivery. The approach uses electrostatic interactions between DNA nanostructures and capsid proteins to create user-defined assemblies.

SourceAalto University·JournalNature Nanotechnology·DateJul 17, 2023

First study to directly compare gene mutation type in individuals with CHAMP1 disorder indicates key differences

Researchers identified significant differences between individuals with CHAMP1 coding mutations and deletions, affecting adaptive functioning skills and severity of symptoms. The study highlights the importance of understanding genetic mechanisms to develop precision medicine approaches for treating CHAMP1 disorder.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalHuman Genetics·TypeObservational study·DateJul 17, 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.

COVID-19 vaccines saved dementia patients' lives in nursing homes

A new study found that COVID-19 vaccines significantly reduced dementia-related deaths in long-term care and nursing homes, with a 77% decrease in the second year. However, deaths among those living at home did not decline as much, with only a 16% reduction.

SourceUniversity of California - San Francisco·JournalJAMA Neurology·DateJul 17, 2023

Shrinking light: Nanoscale optical breakthrough

Researchers have made groundbreaking progress in confining light to subnanometer scales using a novel waveguiding scheme. The approach generates an astonishingly efficient and confined optical field with applications in light-matter interactions, super-resolution nanoscopy, and ultrasensitive detection.

SourceSPIE--International Society for Optics and Photonics·JournalAdvanced Photonics·DateJul 17, 2023

Researchers discover group of genes that influence pain and brain communication can also influence alcohol use disorder risk

A study published in Alcohol: Clinical and Experimental Research found that a group of genes involved in neuronal plasticity and pain perception are also associated with alcohol use disorder (AUD) risk. These genes work together to influence neural communication, leading to changes in brain function that can contribute to AUDs.

SourceIndiana University School of Medicine·JournalAlcoholism Clinical and Experimental Research·DateJul 17, 2023
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.

Formamide: a versatile small molecular building block for synthesizing heavily N-doped 1D & 2D carbon

Researchers propose a novel route for constructing 1D/2D carbon nanostructures with tunable aspect ratios and high nitrogen content, employing small molecule-formamide. The approach leads to the formation of polyaminoimidazole (PAI) and exhibits an extremely high N content exceeding 40 atomic percent.

SourceKeAi Communications Co., Ltd.·JournalAdvanced Powder Materials·TypeExperimental study·DateJul 17, 2023

City of Hope-led panel of experts updates cancer and aging guidelines issued by the American Society of Clinical Oncology

The updated guidelines urge the clinical use of validated geriatric assessments (GA) to guide treatments in patients aged 65 and older. This approach often results in de-escalation or reduction of therapies, reducing side effects and improving quality of life without compromising survival odds.

SourceCity of Hope·JournalJournal of Clinical Oncology·TypeSystematic review·DateJul 17, 2023

Observation of ~100% valley-coherent excitons in monolayer MoS2 through giant enhancement of valley coherence time

Scientists have developed a method to enhance valley coherence in monolayer MoS2 by encapsulating it with graphene. This structure achieved ~100% degree of linear polarization, indicating a valley coherence time at least 10-fold longer than previous reports.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateJul 17, 2023

Analysis: Most research on PFAS harms is unpublicized

Most research on per- and polyfluoroalkyl substances (PFAS) harms is unpublicized, according to a new study. The analysis found that studies without press releases received little or no media attention, limiting their impact.

SourceGreen Science Policy Institute·JournalEnvironmental Health·DateJul 17, 2023

Researchers craft ‘origami DNA’ to control virus assembly

Griffith University researchers have developed a method to control the assembly of virus capsids using DNA origami templates. This technique allows for precise control over the shape, size, and topology of viruses, which could lead to breakthroughs in vaccine development and delivery systems.

SourceGriffith University·JournalNature Nanotechnology·TypeExperimental study·DateJul 17, 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.

Rural mortality rose during year two of pandemic, despite vaccines, new study finds

A new study found that rural areas experienced higher excess deaths during the second year of the pandemic, despite vaccines being widely available in urban areas. The study highlights the role of healthcare inequities, vaccine skepticism, and partisanship in exacerbating mortality rates in rural communities.

SourceBoston University·JournalScience Advances·TypeData/statistical analysis·DateJul 17, 2023

World-first clinical trial to help millions with penicillin allergies

A new study led by Vanderbilt University Medical Center has shown that a simple direct oral challenge can safely remove penicillin allergy labels from low-risk patients. This method performs as well as traditional skin testing and oral challenges, with no serious adverse events reported.

SourceVanderbilt University Medical Center·JournalJAMA Internal Medicine·DateJul 17, 2023

Cap top 20% of energy users to reduce carbon emissions

A new study suggests capping the energy use of the top 20% of consumers could reduce carbon emissions by 11.4%. The strategy would allow those with lower incomes to increase their consumption levels, promoting fairness and delivering climate justice.

SourceUniversity of Leeds·JournalNature Energy·TypeData/statistical analysis·DateJul 17, 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.

COVID-19 case studies offer insights into what it will take to combat misleading medical information online

A team of medical leaders recommends a sustainably funded public-private partnership to combat misinformation, citing challenges faced by the TIOS-VY organization. The American College of Physicians calls for modernizing public health infrastructure, including increased funding and addressing disinformation, especially on social media.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·TypeNews article·DateJul 17, 2023

New NIST measurements aim to advance and validate portable MRI technology

Researchers at NIST have developed new methods for creating images with weaker magnetic fields, enabling the use of low-field MRI scanners in mobile settings. The findings reveal iron oxide nanoparticles as a promising contrast agent for enhancing image quality in these systems.

SourceNational Institute of Standards and Technology (NIST)·JournalScientific Reports·DateJul 17, 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.

Democrats’ perceptions of immigrants largely favorable while Republicans hold positive and negative views

A new study by New York University sociologist Victoria Asbury-Kimmel reveals that Democrats hold uniformly positive views on immigrants, whereas Republicans have both negative and positive opinions. The study found that Democrats interpret pro-immigrant messages as factual, while Republicans tend to see them as opinion-based. Converse...

SourceNew York University·JournalSocial Psychology Quarterly·TypeSurvey·DateJul 17, 2023

Addressing adaptation inequalities in climate research

A new IIASA-led study addresses the challenge of adapting to climate change by proposing ways to better incorporate adaptive capacity into climate modeling tools. The researchers developed a data explorer to visualize global futures for indicators of adaptive capacity, enabling more precise risk estimates and reliable policy advice.

SourceInternational Institute for Applied Systems Analysis·JournalNature Climate Change·DateJul 17, 2023

Political apathy spreads from parents to adolescent children

A new study from Florida Atlantic University found that parent attitudes about politics can predict subsequent increases in adolescent child political alienation. In households where parents and adolescents are close, parents transmit political apathy to their children, which may contribute to low youth voter participation.

SourceFlorida Atlantic University·JournalJournal of Family Psychology·TypeCase study·DateJul 17, 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.

Scientists reveal the harmful impacts of immune hyperactivity in Down syndrome and how to normalize it by repurposing existing drugs

Research reveals chronic immune dysregulation in Down syndrome, with high interferon activity linked to autoinflammation and metabolic changes. Repurposing JAK inhibitors shows therapeutic benefits in reducing inflammation without suppressing the immune system.

SourceUniversity of Colorado Anschutz Medical Campus·JournalScience Advances·TypeData/statistical analysis·DateJul 17, 2023

Study finds how to reduce risk of kids playing with a found gun

A study at Ohio State University found that viewing a one-minute gun safety video reduced the likelihood of children playing with a found firearm, including touching or reporting it to an adult. The study involved 226 children who watched either a car safety or gun safety video before playing with toys in a lab setting.

SourceOhio State University·JournalJAMA Pediatrics·TypeRandomized controlled/clinical trial·DateJul 17, 2023

Genetic variants implicated in autism detected in the general population

A study published in Nature Medicine found that genetic variants associated with autism are present in 4% of those with autism and 1% of the general population. These variants were linked to poorer cognitive performance, lower socioeconomic status, and educational level in undiagnosed individuals.

SourceInstitut Pasteur·JournalNature Medicine·TypeData/statistical analysis·DateJul 17, 2023

Houston, we have a solution

Researchers demonstrate that perovskite solar cells damaged by proton radiation in low-earth orbit can recover up to 100% of their original efficiency via thermal vacuum annealing. The study used ultrathin sapphire substrates and found that fluorine diffusion from the dopant causes defects, which can be reversed by heat treatment.

SourceARC Centre of Excellence in Exciton Science·JournalAdvanced Energy Materials·TypeExperimental study·DateJul 17, 2023

FAMU-FSU College of Engineering researchers confirm theory for superfluid helium

Researchers from FAMU-FSU College of Engineering validated the self-consistent two-way model describing vortex ring motion in superfluid helium. The study provides crucial evidence supporting the recent theoretical model of quantized vortices, resolving long-standing questions and enhancing understanding of vortex dynamics.

SourceFlorida State University·JournalNature Communications·DateJul 17, 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.

Immune cells in single file

Dendritic cells form three-dimensional networks that regulate their migration and development. The new concept reveals how cytokines keep the cells together and close gaps in their network. This discovery has prognostic value for tumour diseases, particularly after immunotherapy.

SourceUniversity of Würzburg·JournalImmunity·TypeExperimental study·DateJul 17, 2023

Developing new materials to accelerate the arrival of 'air taxis'

Researchers developed 100% self-reinforced composites for urban air mobility, achieving significant improvements in bonding strength, tensile strength, and impact resistance. The material is lightweight, recyclable, and shows potential for next-generation mobility applications.

SourceNational Research Council of Science & Technology·JournalChemical Engineering Journal·DateJul 17, 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.

Simulating damage propagation in composite materials through a novel computational method to realize high-quality CFRPs

Researchers developed a novel quasi-3D extend finite element method to simulate damage propagation in CFRP laminates, improving accuracy and efficiency. The approach enables the design of high-quality CFRPs with lower production costs, paving the way for widespread adoption in various industries.

SourceSophia University·JournalComposite Structures·TypeComputational simulation/modeling·DateJul 17, 2023

Picky green sea turtle has travelled to the same place to eat for generations

Researchers have discovered that green sea turtles have been returning to the same seagrass meadows along Egypt and West Libya coasts for approximately 3,000 years. This long-term diet has allowed scientists to connect past dietary habits with specific locations, shedding light on human-induced effects on the environment.

SourceUniversity of Groningen·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateJul 17, 2023

Astronomers discover striking evidence of ‘unusual’ stellar evolution

Researchers from Ohio State University found that some low-mass stars have unexpectedly strong surface magnetic fields, which could intensify their radiation for billions of years. This discovery challenges current models of stellar evolution and has important implications for the search for life on other planets.

SourceOhio State University·JournalThe Astrophysical Journal Letters·TypeObservational study·DateJul 17, 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.

Addressing the future challenges of global surface water quality

A recent study projects an increase in surface water pollution in Sub-Saharan Africa, posing significant risks to human populations and ecosystem health. The region is expected to become the dominant hotspot of surface water pollution, with potentially catastrophic consequences for communities.

SourceUniversiteit Utrecht Faculteit Geowetenschappen·JournalNature Water·TypeComputational simulation/modeling·DateJul 17, 2023

Ring-sheared drop experiment on ISS expanded

Rensselaer Polytechnic Institute researchers are using the ring-sheared drop module on the International Space Station to study protein solutions in microgravity. This research will aid in developing predictive models for both fundamental science and industry, including pharmaceutical development.

SourceRensselaer Polytechnic Institute·DateJul 17, 2023
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Study finds tracking brain waves could reduce post-op complications

A new MIT study reveals that analyzing brain wave patterns can help doctors determine when patients are at risk of entering a deeper state of unconsciousness during surgery. By tracking these patterns, anesthesiologists may be able to prevent postoperative cognitive impairments and reduce the risk of complications.

SourceMassachusetts Institute of Technology·JournalProceedings of the National Academy of Sciences·DateJul 17, 2023

Omicron subvariant BA.5 efficiently infects lung cells

The Omicron subvariant BA.5 efficiently infects lung cells due to a mutation in the spike protein, enabling efficient entry and fusion with lung cells. This finding suggests that future SARS-CoV-2 variants may regain the ability to cause severe illness in risk patients and people with insufficient immunity.

SourceDeutsches Primatenzentrum (DPZ)/German Primate Center·JournalNature Communications·TypeExperimental study·DateJul 17, 2023

Children’s IQs not diminished by concussion

A new study published in Pediatrics suggests that pediatric concussions do not impact intelligence or IQ levels. The research, which combined data from two cohort studies in Canada and the US, found no significant difference in IQ scores between children with concussion and those with orthopedic injuries.

SourceUniversity of Calgary·JournalPEDIATRICS·TypeRandomized controlled/clinical trial·DateJul 17, 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.

Comparison of history of present illness summaries generated by a chatbot and senior internal medicine residents

A study comparing history of present illness summaries generated by a chatbot and senior internal medicine residents found that both were graded similarly by internal medicine attending physicians. The findings suggest the potential of chatbots to aid clinicians with medical documentation, highlighting their accuracy.

SourceJAMA Network·JournalJAMA Internal Medicine·DateJul 17, 2023