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Science News Archive 2023 - Page 324


Page 324 of 444

Researchers clear the way for well-rounded view of cellular defects

A recent study has investigated how cells divide in fibrous environments, revealing the impact of extracellular matrix shape and fiber number on mitotic errors. By re-creating and studying lattice structures, researchers have gained a deeper understanding of cellular dynamics and its connection to disease biology.

SourceVirginia Tech·JournalProceedings of the National Academy of Sciences·DateApr 6, 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.

Researchers tackle major obstacle to stem-cell heart repair

Researchers at the University of Washington School Medicine have engineered stem cells that do not generate dangerous arrhythmias. These 'MEDUSA' cardiomyocytes can engraft in the heart, mature into adult cells and beat in sync with natural pacemaking without generating dangerous heart rates.

SourceUniversity of Washington School of Medicine/UW Medicine·JournalCell Stem Cell·TypeExperimental study·DateApr 6, 2023

New peer-reviewed, decade-long study suggests Indigenous-managed forests in Brazil’s Amazon absorb thousands of dangerous pollutants from noxious fumes from wildfires, preventing 15 million costly cases of disease every year

A decade-long study suggests Indigenous-managed forests can absorb up to 26,000 metric tons of dangerous pollutants from wildfires each year, preventing an estimated 15 million cases of respiratory and cardiovascular disease. This absorption saves Amazon cities US$2 billion a year in healthcare costs.

SourceBurness·JournalCommunications Earth & Environment·TypeExperimental study·DateApr 6, 2023

Fasting diet reduces risk markers of type 2 diabetes

A fasting diet that focuses on early eating has been shown to reduce the risk markers of type 2 diabetes. Researchers found that participants who followed a time-restricted, intermittent fasting diet experienced greater tolerance to glucose and reduced blood lipids compared to those on a daily, low-calorie diet.

SourceUniversity of Adelaide·JournalNature Medicine·TypeRandomized controlled/clinical trial·DateApr 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.

‘Snowball Earth’ might have been slushball

New research suggests the Marinoan Ice Age, which created glaciers from pole to pole 635 million years ago, had patches of open water in mid-latitude seas. This finding provides evidence that life could have persisted during this period, potentially influencing the carbon cycle and climate.

SourceUniversity of Cincinnati·JournalNature Communications·TypeExperimental study·DateApr 6, 2023

Significant step in fight against drug resistance in TB

Researchers have identified new ways to treat antibiotic-resistant TB by targeting unique weaknesses in the bacteria. The study found that certain drug-resistant strains are more sensitive to antibiotics targeting unrelated pathways, paving the way for faster treatment and reduced resistance.

SourceUniversity of Otago·JournalNature Communications·TypeExperimental study·DateApr 6, 2023

New pesticide exposure test developed to protect inexperienced cannabis farmers

A new pesticide exposure test has been developed to help protect the health and safety of agricultural workers, particularly those in the emerging cannabis industry. The test uses a bio solid-phase microextraction method that can detect ultra-trace levels of pesticide residues in human blood plasma.

SourceUniversity of Toledo·JournalAnalytical and Bioanalytical Chemistry·TypeExperimental study·DateApr 6, 2023

‘Beige fat’ could hold key to age-related metabolism change

New research suggests a way to ward off age-related weight gain by stimulating beige fat cells. Beige fat has thermogenic properties that can reduce blood sugar and fatty acids causing heart disease. The study identifies a specific signaling pathway responsible for suppressing beige fat formation in older mice.

SourceCornell University·JournalNature Communications·DateApr 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.

Broccoli consumption protects gut lining, reduces disease, in mice

Researchers at Penn State found that broccoli's aryl hydrocarbon receptor ligands bind to a protein in mice, promoting gut health and reducing disease. This interaction activates various activities that affect intestinal cell functions, leading to improved gut barrier function and resilience.

SourcePenn State·JournalLaboratory Investigation·DateApr 6, 2023

The hidden role of food in urban conflicts in Central America

Research explores the complex relationship between droughts, food security, and conflict in Central America. The study finds that decreases in water availability play a major role in conflict insurgences, while stable conditions of peace are more influenced by favorable socio-economic conditions.

SourcePolitecnico di Milano·JournalNature Water·TypeMeta-analysis·DateApr 6, 2023
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Simple, environmentally friendly coating can improve battery performance

A new study reveals how ferroelectric coatings improve all-solid-state lithium batteries by reducing space charge layers and enhancing lithium transportation. The coatings made from guanidinium perchlorate increase battery capacities to near-liquid lithium-ion levels.

SourceChinese Academy of Sciences Headquarters·JournalAdvanced Functional Materials·DateApr 6, 2023

Toward tunable molecular switches from organic compounds

Researchers at Hokkaido University and Kyushu University have developed a technique to synthesize potential molecular switches from anthraquinodimethanes (AQDs), a group of overcrowded organic molecules. The synthesized derivatives can stably form twisted and folded isomers, as well as other isomeric forms, in different solvents.

SourceHokkaido University·JournalMaterials Chemistry Frontiers·TypeExperimental study·DateApr 6, 2023

Radio tracking reveals greater predation risk for female bushcrickets

Researchers tracked female bushcrickets' movement and found they tend to fly more frequently and longer distances than males, making them more vulnerable to bats. This contradicts the assumption that males take higher risks in search of mates.

SourceIndian Institute of Science (IISc)·JournalBehavioral Ecology and Sociobiology·DateApr 6, 2023

Novel immunotherapy agent safe, shows promise against high-risk prostate cancers

Enoblituzumab, a monoclonal antibody, is safe in men with aggressive prostate cancer and may induce clinical activity against cancer throughout the body. The drug targets B7-H3 protein overexpressed on prostate cancer cells, blocking immune system inhibition and triggering tumor cell destruction by activating immune cells.

SourceJohns Hopkins Medicine·JournalNature Medicine·DateApr 6, 2023

Sierra squirrels find their niche amid a changing climate

A study of California's high-elevation Sierra Nevada squirrels reveals that climate is just one factor influencing their niche. Squirrel species use different spaces due to variations in climate, topography, and land cover, such as meadows or forests.

SourceUniversity of California - Davis·JournalEcology and Evolution·TypeObservational study·DateApr 6, 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.

Bushmeat consumption unchanged by COVID-19 in Kenya and Tanzania border towns, new study reveals

A new study found that despite awareness of COVID-19 risks, bushmeat consumption remained unchanged in rural communities along the Kenya-Tanzania border. Education levels played a critical role in understanding disease transmission. Increased food costs caused by regulations led to increased bushmeat consumption.

SourceInternational Livestock Research Institute·JournalFrontiers in Ecology and Evolution·TypeSurvey·DateApr 6, 2023

Generative modeling tools renders 2D sketches in 3D

Researchers at Carnegie Mellon University developed Pix2pix3d, a machine learning tool that generates realistic 3D representations of 2D sketches. The tool allows users to create customized 3D models for various applications, including video games and consumer products.

SourceCarnegie Mellon University·DateApr 6, 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 ID biomarkers of response to immunotherapy for kidney cancer

Researchers have identified a biomarker signature that can predict which patients with kidney cancer will respond well to immunotherapy. The signature is based on the number of immune cells in and around tumors, the amount of dead cancer tissue, and mutations to a tumor suppressor gene called PBRM1.

SourceJohns Hopkins Medicine·JournalCell Reports Medicine·DateApr 6, 2023

MSU to refurbish world’s first superconducting cyclotron for chip testing

The MSU facility will provide several thousand additional hours of chip testing capacity annually, addressing the US national shortfall in advanced microelectronics testing. The K500 cyclotron will be used to test electronic components for space-based applications where levels of ionizing radiation are higher than at Earth's surface.

SourceMichigan State University Facility for Rare Isotope Beams·TypeNews article·DateApr 6, 2023

Microbes that “eat together” may benefit from a shared immunological memory

Researchers discovered that viruses that infect bacteria and archaea in deep-sea hydrothermal vents share a common immunological memory, allowing symbiotic microbes to defend against the same virus. This challenges conventional wisdom on virus-host interactions, revealing a more nuanced relationship between these microorganisms.

SourceHarvard University, Department of Organismic and Evolutionary Biology·JournalNature Microbiology·DateApr 6, 2023

Random matrix theory approaches the mystery of the neutrino mass!

Researchers at Osaka Metropolitan University analyzed the collection of leptons to demonstrate that the lepton flavor mixings are large in the random mass matrix model. The study found that the measure of the matrix should obey the Gaussian distribution, which supports the experimental results for the seesaw model.

SourceOsaka Metropolitan University·JournalProgress of Theoretical and Experimental Physics·TypeData/statistical analysis·DateApr 6, 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.

Non-drug interventions for patients with Alzheimer’s are both effective and cost-effective, study shows

A Brown-led research team found that four dementia-care interventions saved between $2,800 and $13,000 in societal costs and reduced nursing home admissions while improving quality of life. Non-drug interventions have been shown to be effective in clinical trials and can help people with dementia stay safely at home longer.

SourceBrown University·TypeComputational simulation/modeling·DateApr 6, 2023

How much cadmium is contained in cocoa beans?

A team of researchers has developed a highly sensitive imaging method to detect heavy metals like cadmium in cocoa beans. The study found that cadmium accumulates primarily in the outer shell of the bean and can be reduced through improved processing steps, which could minimize exposure.

SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalAnalytical Chemistry·TypeExperimental study·DateApr 6, 2023

tRNA biomarkers for cancer diagnosis and prognosis enabled by new method

Researchers have developed a new method called Nano-tRNAseq to measure both the abundance and modification of tRNA molecules in a single step. This technology has significant advantages over conventional techniques, offering rapid, cost-effective, and high-throughput analysis with single-molecule resolution.

SourceCenter for Genomic Regulation·JournalNature Biotechnology·TypeExperimental study·DateApr 6, 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.

Study reveals the 3D structure of a protein involved in genome editing

Researchers at the University of Tokyo have discovered the 3D structure of TnpB, a protein involved in genome editing and a probable precursor to the CRISPR-Cas12 enzyme. The study reveals how TnpB recognizes and cuts DNA using a unique pseudoknot shape similar to that found in guide RNAs of Cas12 enzymes.

SourceSchool of Science, The University of Tokyo·JournalNature·TypeComputational simulation/modeling·DateApr 6, 2023

Community-based prevention system linked to reduced handgun carrying among youth growing up in rural areas

A study published by the University of Washington found that a community-based prevention system called Communities That Care (CTC) reduced handgun carrying among adolescents growing up in rural areas. By the 12th grade, adolescents in CTC communities were 24% less likely to report carrying a handgun than those in control communities.

SourceUniversity of Washington·JournalJAMA·TypeRandomized controlled/clinical trial·DateApr 6, 2023

Molecular biology: DNA packaging supports cell division

Researchers have discovered that a characteristic nucleosome structure is essential for replication initiation at certain genome locations. This regular chromatin arrangement allows the replication machinery to access the DNA, enabling cells to divide correctly.

SourceLudwig-Maximilians-Universität München·JournalNature·DateApr 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.

Pancreatic lesions may occur more frequently than previously thought

Researchers analyzed 30 healthy pancreata from diverse donors and found PanIN lesions in 18 cases, which had distinct microenvironments compared to normal pancreatic tissue. The study suggests that PanINs may already possess features of malignant cells and challenges the long-held assumption that they always progress to cancer.

SourceAmerican Association for Cancer Research·JournalCancer Discovery·DateApr 6, 2023

New study reveals design clues for silver-based superatomic molecules

Researchers from Japan have synthesized two di-superatomic molecules composed of Ag and evaluated the factors involved in their formation. The study found that a twist between the two icosahedral structures stabilizes the nanocluster by shortening the distance between them. Additionally, the presence of Pd and Pt central atoms was foun...

SourceTokyo University of Science·JournalCommunications Chemistry·TypeExperimental study·DateApr 6, 2023

Archaeology: Evidence of drug use during Bronze Age ceremonies

Researchers found evidence of ancient drug use in Europe using human hair analysis, revealing the presence of scopolamine, ephedrine and atropine in Bronze Age containers from Menorca. The substances may have been derived from nightshade plants used in shamanic rituals.

SourceScientific Reports·JournalScientific Reports·DateApr 6, 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.

Defects can be good and help combat climate change

A novel Cu-based catalyst with improved catalytic performance for CO2 reduction has been developed by leveraging strong metal-support interactions and defect sites cooperativity. The DFNS/TiO2-Cu catalyst showed excellent activity and stability, outperforming other copper-based thermal catalysts.

SourceTata Institute of Fundamental Research·JournalJournal of the American Chemical Society·DateApr 6, 2023

Study assesses risk of mutation due to residual radiation from the Fukushima nuclear disaster

A recent study published in Environment International found that the mutation rate in trees growing in contaminated areas did not increase significantly due to ambient radiation. The researchers used a new bioinformatics pipeline to evaluate de novo mutations in two widely cultivated tree species, Japanese cedar and flowering cherry.

SourceForestry and Forest Products Research Institute·JournalEnvironment International·TypeExperimental study·DateApr 6, 2023

Blind dating in bacteria evolution

Researchers used ancestral sequence reconstruction to study protein interactions in cyanobacteria, finding that they can evolve independently of direct selection pressure. The discovery challenges classical evolutionary theory and suggests that fortuitous compatibility may be the basis for a significant fraction of cellular interactions.

SourceMax-Planck-Gesellschaft·JournalNature Ecology & Evolution·TypeObservational study·DateApr 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.

Forest futures

A new study predicts US forests may lose significant carbon storage due to climate change, compromising their role as a climate solution. The researchers used multi-perspective modeling approaches to forecast changes in aboveground carbon storage in different regions.

SourceUniversity of California - Santa Barbara·JournalNature Geoscience·DateApr 6, 2023

Hyenas die also in road accidents

A long-term study reveals that the risk of fatal collisions between vehicles and spotted hyenas in the Serengeti is influenced by road characteristics and the annual migration of large ungulate herds. Adult females are most frequently run over, likely due to their regular travel distances between dens and migrating prey herds.

SourceLeibniz Institute for Zoo and Wildlife Research (IZW)·JournalBiological Conservation·DateApr 6, 2023

Effect of palladium chemical states on CO2 photocatalytic reduction over g-C3N4: Distinct role of single-atomic state in boosting CH4 production

Researchers found that single-atomic state of Pd enhances CO2 reduction and boosts CH4 production in a novel Pd/CN-SA catalyst. Comprehensive analysis reveals superior activation of CO2, negative conduction band potentials, and excellent hydrogen utilization efficiency.

SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalChinese Journal of Catalysis·DateApr 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.

Twinkling stars fuel interstellar dust

Research reveals connection between star brightness and dust concentrations, paving way for study of dust's role in planetary formation. The University of Tokyo's latest findings may help unravel the secrets of life's creation.

SourceUniversity of Tokyo·JournalPublications of the Astronomical Society of Japan·TypeObservational study·DateApr 6, 2023

Physicians should be on alert for group A strep as cases experience historic rise, study finds

A study published by the University of Texas Health Science Center at Houston found a historic increase in group A strep infections among young children in Houston. The researchers identified three main types of group A strep diseases and found that emm12 strains were disproportionately represented, compared to emm1 strains.

SourceUniversity of Texas Health Science Center at Houston·JournalClinical Infectious Diseases·DateApr 6, 2023

Shedding light on mechanisms of electrochemical energy storage

Researchers at Drexel University have developed a new method that combines UV-visible spectroscopy with cyclic voltammetry to track ion movement in batteries and supercapacitors. This breakthrough could lead to the design of higher performing energy storage devices.

SourceDrexel University·JournalNature Energy·TypeExperimental study·DateApr 6, 2023

Implant treats dangerously low blood pressure in people with spinal cord injury

Researchers developed an implant that delivers electrical stimulation to specific spinal neurons to treat dangerously low blood pressure in people with spinal cord injuries. The treatment, called the neuroprosthetic baroreflex, has shown promise in clinical trials and could be used in hospitals and at home to monitor blood pressure.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateApr 6, 2023

Editorial: Share SARS-CoV-2 data immediately

The World Health Organization (WHO) is urging countries to share data on the origins of SARS-CoV-2 immediately. Scientists argue that early data from China could help prevent future pandemics by providing insights into the virus's transmission and potential animal sources.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateApr 6, 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.

Uncovered: A new mode of reproduction that produces chimeric males in yellow crazy ants

A new study reveals that male yellow crazy ants are composed of haploid cells with two distinct genetic compositions, producing chimeric males. This unique reproductive mode deviates from the typical single-cell zygote development and may be associated with a genetic conflict between co-occurring genetic lineages.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateApr 6, 2023

New test could help identify type 2 diabetes risk

Researchers used DNA methylation data alongside traditional risk factors to improve prediction accuracy for type 2 diabetes. The study, involving over 14,600 participants, found that the new approach correctly predicted an extra 449 individuals, leading to potential preventative measures and reduced health burden.

SourceUniversity of Edinburgh·JournalNature Aging·TypeObservational study·DateApr 6, 2023

A hidden viral world within us: What is the impact on our health?

Researchers discovered multiple virus types persisting within organs such as kidneys and brain, challenging our understanding of the human microbiome. The findings suggest viruses may contribute to chronic diseases like cancer or autoimmune disorders, while also playing a role in immune system regulation.

SourceUniversity of Helsinki·JournalNucleic Acids Research·TypeData/statistical analysis·DateApr 6, 2023

Hubble sees possible runaway black hole creating a trail of stars

Astronomers have discovered a massive, runaway black hole that has left behind a never-before-seen trail of newborn stars. The black hole, weighing as much as 20 million Suns, is plowing into gas to trigger new star formation along a narrow corridor.

SourceNASA/Goddard Space Flight Center·JournalThe Astrophysical Journal Letters·TypeObservational study·DateApr 6, 2023