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Science News Archive January 2023 - Page 31


Page 31 of 35

Riddle solved: Why was Roman concrete so durable?

Researchers uncover ancient manufacturing strategy that incorporates self-healing functionalities into Roman concrete. Hot mixing process allows for faster construction and enhanced durability through spontaneous cracking and recrystallization.

SourceMassachusetts Institute of Technology·JournalScience Advances·DateJan 6, 2023

New strategy suggested for ultra-long cycle Li-ion battery

Researchers developed a high-performance cathode material for lithium rich manganese based lithium ion batteries with excellent cycling performance. The material combines sulfur doping, in-situ growth of coherent spinel phase, and oxygen vacancy optimization strategies to avoid microcracks and improve battery life.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalChemical Engineering Journal·DateJan 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.

First-in-kind amputated human limb model to study imaging probes for human tissues

Researchers have developed an innovative amputated human limb model to evaluate molecularly targeted fluorescent probes for human tissues. The model allows for controlled testing of imaging agents with zero risk to patients, improving the accuracy and safety of surgical procedures.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Biomedical Optics·DateJan 6, 2023

Organelles grow in random bursts

Researchers at Washington University in St. Louis demonstrated that eukaryotic cells can control organelle size by exhibiting random bursts of growth, maintaining a narrow window of precision within this noise., The study suggests a biophysical mechanism for the robustness and universality of organelle size control.

SourceWashington University in St. Louis·JournalPhysical Review Letters·TypeExperimental study·DateJan 6, 2023

More than two billion are infected with this disease; Vitamin D can help

Researchers found that vitamin D strengthens immune cells' ability to fight tuberculosis by producing cathelicidin toxin. Vitamin D treatment can prevent and treat the disease, particularly in populations exposed to high risk of infection. However, supplements do not protect against infection with tuberculosis.

SourceUniversity of Copenhagen - The Faculty of Health and Medical Sciences·JournalFrontiers in Immunology·TypeCase study·DateJan 6, 2023

Artificial intelligence could aid in evaluating parole decisions

Researchers used machine learning to analyze parole data from New York and found that the New York State Parole Board could safely grant parole to more inmates, potentially doubling the release rate. The study suggests eliminating racial disparities in release rates while maintaining public safety.

SourceUniversity of California - Davis Health·JournalJournal of Quantitative Criminology·TypeData/statistical analysis·DateJan 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.

Texas A&M research aims to improve Lyme disease diagnostics

Researchers at Texas A&M University are testing Raman spectroscopy as a diagnostic tool for Lyme disease, which shows promise in accurately identifying infected individuals. The new test could improve Lyme disease diagnosis and treatment outcomes for both humans and animals.

SourceTexas A&M University·JournalFrontiers in Cellular and Infection Microbiology·DateJan 6, 2023

University of Colorado researchers identify new pathway for preventing cardiac fibrosis

Researchers at the University of Colorado School of Medicine have discovered a new mechanism for slowing scarring of heart tissue, a process known as cardiac fibrosis. The study's findings suggest that inhibiting the degradation of eicosanoids may be a promising approach to preventing or reversing cardiac fibrosis.

SourceUniversity of Colorado Anschutz Medical Campus·JournalCirculation Research·DateJan 6, 2023

PSMA PET/MRI accurately predicts risk of prostate cancer recurrence

PSMA PET/MRI successfully determines prostate cancer likelihood of return within two years after prostatectomy, aiding treatment decisions. High uptake in primary lesion and metastasis are associated with rapid recurrence.

SourceSociety of Nuclear Medicine and Molecular Imaging·JournalJournal of Nuclear Medicine·DateJan 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.

Nanoplastics unexpectedly produce reactive oxidizing species when exposed to light

Researchers at Washington University in St. Louis found that nanoplastics from polystyrene can produce reactive oxygen species when exposed to light, which can harm wildlife and the aquatic ecosystem. The study suggests that smaller particle sizes of nanoplastics may be more reactive and decompose faster under light.

SourceWashington University in St. Louis·JournalACS Nano·TypeExperimental study·DateJan 6, 2023

How old is your brain, really? Artificial intelligence knows

A new AI model developed at USC accurately captures cognitive decline linked to neurodegenerative diseases like Alzheimer's much earlier than previous methods. The model analyzes MRI brain scans and detects subtle brain anatomy markers that correlate with cognitive decline, offering an unprecedented glimpse into human cognition.

SourceUniversity of Southern California·JournalProceedings of the National Academy of Sciences·TypeImaging analysis·DateJan 6, 2023

After 40 years of decline, stroke death rates are rising again

A recent analysis found a dramatic decline in stroke mortality between 1975 and 2019, but the trend is reversing due to an aging population. Despite this, researchers warn that total stroke fatalities will rise as millennials age, highlighting the need for novel strategies to combat the trend.

SourceRutgers University·JournalInternational Journal of Epidemiology·TypeData/statistical analysis·DateJan 6, 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.

Cooling 100 million degree plasma with a hydrogen-neon mixture ice pellet

A team of Japanese researchers discovered that adding neon to a hydrogen ice pellet can cool the plasma more effectively, reducing pressure and preventing ejection. This breakthrough contributes to establishing plasma control technologies for future fusion reactors.

SourceNational Institutes of Natural Sciences·JournalPhysical Review Letters·TypeExperimental study·DateJan 6, 2023

Genes & Cancer | Pathogenesis to management of hepatocellular carcinoma

Researchers from prominent institutions discuss hepatocellular carcinoma's pathogenesis, genomic heterogeneity, and targeted therapy options. The review aims to characterize HCC's complexities and develop clinically relevant biomarkers for better management.

SourceImpact Journals LLC·JournalGenes & Cancer·TypeLiterature review·DateJan 6, 2023

Use of cannabis, other pain treatments among adults with chronic pain in states with medical cannabis programs

A survey study found that 3 in 10 adults with chronic pain in states with medical cannabis laws used cannabis to manage their pain, often substituting it for other pain medications. The study highlights the importance of researching the effectiveness and potential adverse consequences of cannabis for chronic pain management.

SourceJAMA Network·JournalJAMA Network Open·DateJan 6, 2023

New approach successfully traces genomic variants back to genetic disorders

Researchers developed a genotype-first approach that traces genomic variants back to genetic disorders, discovering new relationships between genes and clinical conditions. This approach broadened traits and symptoms associated with known disorders and offered insights into newly described disorders.

SourceNIH/National Human Genome Research Institute·JournalAmerican Journal of Human Genetics·TypeLiterature review·DateJan 5, 2023

Study reveals need for better understanding effects of light pollution on migrating animals

A recent study by a transdisciplinary research team found ample evidence of the negative effects of light pollution on migrating animals, but also areas where more data is needed. The researchers concluded that there's a need for more data to help protect migrating animals, particularly species other than birds.

SourceColorado State University·JournalTrends in Ecology & Evolution·TypeLiterature review·DateJan 5, 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.

Using intercropping systems for sustainable global agricultural production

A study of 226 agricultural experiments found that intercropping resulted in higher protein levels and more productive systems than monocultures. The research revealed that intercropping requires 19% less land to produce the same amount of grain, making it a promising strategy for sustainable global food production.

SourceINRAE - National Research Institute for Agriculture, Food and Environment·JournalProceedings of the National Academy of Sciences·DateJan 5, 2023

Researchers realize the quantum simulations of topological phase transitions

A research team from USTC experimentally observed phase transitions between triply degenerate points with different topological charges through highly controllable quantum simulations. The study highlighted the important roles played by spin tensors in these transitions.

SourceUniversity of Science and Technology of China·JournalPhysical Review Letters·DateJan 5, 2023

Team projects 2 out of 3 glaciers could be lost by 2100

A study projects that 2 out of 3 glaciers could be lost by 2100, with losses ranging from 25% to 41% of total glacier mass. The research uses a new model and unprecedented data to provide more accurate projections.

SourceCollege of Engineering, Carnegie Mellon University·JournalScience·DateJan 5, 2023

Research could simplify process for calculating soil carbon credits

A study by the University of Illinois Agroecosystem Sustainability Center provides new insights for quantifying cropland carbon budgets and soil carbon credits. Researchers found that high-accuracy SOC concentration measurements are needed to quantify a cropland carbon budget, but current publicly available soil datasets are sufficient...

SourceUniversity of Illinois at Urbana-Champaign Institute for Sustainability, Energy, and Environment·JournalGeoderma·TypeComputational simulation/modeling·DateJan 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.

James Webb telescope reveals Milky Way-like galaxies in young universe

The James Webb Space Telescope has detected galaxies with stellar bars, similar to the Milky Way, at a time when the universe was just 25% of its present age. This discovery shakes up galaxy evolution scenarios and challenges theoretical models.

SourceUniversity of Texas at Austin·JournalThe Astrophysical Journal Letters·TypeObservational study·DateJan 5, 2023

Study illuminates sugar’s role in common kidney disease

Researchers discovered that sugar plays a key role in the formation of fluid-filled cysts associated with polycystic kidney disease (PKD). By understanding this process, they identified a potential new approach to treating PKD, focusing on blocking sugar absorption in the kidneys.

SourceUniversity of Washington School of Medicine/UW Medicine·JournalNature Communications·TypeExperimental study·DateJan 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.

Integral molecular reveals mechanism underlying exquisite specificity of claudin 6 therapeutic antibody being developed for solid tumors

Researchers at Integral Molecular have developed highly specific antibodies against Claudin 6, a tumor-specific protein found in multiple solid tumors. The antibodies use a single atomic contact point to derive exquisite specificity, allowing them to target cancer cells while avoiding healthy tissues.

SourceIntegral Molecular·JournaliScience·TypeExperimental study·DateJan 5, 2023

Caribbean breadfruit traced back to Capt. Bligh’s 1791-93 journey

A study led by Northwestern University has connected Caribbean breadfruit to its history, tracing five major lineages to Capt. Bligh's introduction in the Caribbean Sea. The research also found that original breadfruit tree cultivars have survived for centuries and are thriving.

SourceNorthwestern University·JournalCurrent Biology·TypeExperimental study·DateJan 5, 2023

Physicists confirm effective wave growth theory in space

Researchers observed energy transfer from resonant electrons to whistler-mode waves in space, confirming non-linear growth theory. This finding improves understanding of space weather's impact on satellites and could help protect astronauts.

SourceNagoya University·JournalNature Communications·DateJan 5, 2023

Wafer-scale 2D MoTe₂ layers enable highly-sensitive broadband integrated infrared detector

Researchers have developed a highly-sensitive broadband integrated infrared detector using wafer-scale 2D MoTe₂ layers. The device achieves an ultrabroadband detection range of up to 10.6 μm and a room-temperature specific detectivity of over 10^8 Jones in the mid-infrared region.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateJan 5, 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.

Lost in translation: How “risky” amino acids abort elongation in protein synthesis

A recent study published in Nature Communications reveals that nascent peptide chains with N-terminal sequences rich in aspartic acid or glutamic acid can lead to abortion of translation in eukaryotic cells through intrinsic ribosome destabilization (IRD). This phenomenon is associated with biased amino acid usage in proteomes, where t...

SourceTokyo Institute of Technology·JournalNature Communications·TypeExperimental study·DateJan 5, 2023

Study details impact of prairie dog plague die-off on other species

A study found that the decline of black-tailed prairie dogs due to sylvatic plague, combined with abnormally high precipitation, led to dramatic ecosystem changes. The loss of prairie dog habitat caused declines in associated species such as birds, swift foxes, and coyotes.

SourceUniversity of Wyoming·JournalEcological Applications·TypeObservational study·DateJan 5, 2023

Pusan National University researchers develop efficient sodium-ion battery anode for energy storage

Researchers at Pusan National University have developed a highly efficient sodium-ion battery anode using quinacridones, exhibiting high rate capability and excellent cycle stability. The new material is cost-effective and sustainable, offering a promising alternative to traditional graphite anodes.

SourcePusan National University·JournalChemical Engineering Journal·TypeExperimental study·DateJan 5, 2023

Holes in T cells

Researchers discovered a previously unknown property of certain immune cells called Th17 cells, which produce the pro-inflammatory cytokine IL-1α. This finding sheds light on autoimmune diseases like rheumatoid arthritis in children and provides new insights into the defense against fungal infections.

SourceLeibniz Institute for Natural Product Research and Infection Biology - Hans Knöll Institute -·JournalNature Immunology·TypeExperimental study·DateJan 5, 2023

Counter-rotating fates

A team of researchers from The University of Tokyo created a computer simulation to study the phase separation of counter-rotating particles in a fluid. They found that nonlinear turbulent effects lead to the sudden separation of particles into regions of clockwise and counterclockwise collections.

SourceInstitute of Industrial Science, The University of Tokyo·JournalCommunications Physics·DateJan 5, 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.

Active terahertz beam steering based on mechanical deformation of liquid crystal elastomer metasurface

Researchers have developed a novel terahertz beam steering system utilizing a liquid crystal elastomer (LCE) metasurface that can actively deflect the direction of the incident wave. The LCE metasurface demonstrates outstanding beam steering performance, with an output angle range of 70° to 25° for frequencies between 0.48 and 1.1 THz.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateJan 5, 2023

Columbia University and partners win $35M JUMP 2.0 grant to create Center for Ubiquitous Connectivity

The Center for Ubiquitous Connectivity (CUbiC) aims to flatten the computation-communication gap by delivering seamless Edge-to-Cloud connectivity with transformational reductions in energy consumption. Led by Columbia Engineering Professor Keren Bergman, CUbiC will create new ultra-energy efficient technologies and system architectures.

SourceColumbia University School of Engineering and Applied Science·DateJan 5, 2023

Newly discovered anatomy shields and monitors brain

Researchers have identified a previously unknown component of brain anatomy, dubbed SLYM, which acts as a protective barrier and immune monitoring platform. The discovery is expected to shed light on the glymphatic system's mechanisms and its potential role in brain diseases like Alzheimer's.

SourceUniversity of Rochester Medical Center·JournalScience·DateJan 5, 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.

URI researcher-led study opens oceans of possibilities

A University of Rhode Island professor's study has developed a macromolecular model of phytoplankton, which could have significant implications for climate research. The model predicts the variation in C:N:P ratios throughout the ocean, providing new insights into how phytoplankton respond to changing environmental conditions.

SourceUniversity of Rhode Island·JournalNature Geoscience·TypeComputational simulation/modeling·DateJan 5, 2023

New study suggests Mayas utilized market-based economics

A new study suggests that the Maya people utilized market-based economies in the midwestern Guatemalan highlands over 500 years ago. The research found that local people managed access to nearby obsidian sources and developed independent acquisition networks, similar to contemporary market-based economies.

SourceWashington State University·JournalLatin American Antiquity·TypeExperimental study·DateJan 5, 2023

Caribbean breadfruit is traced back to its Oceania origin 230 years ago

A new study published in Current Biology elucidates 230 years of Caribbean history, identifying eight major genetic lineages of breadfruit and their connections to Oceania. The research highlights the crop's potential as a sustainable and climate-resilient option for food security and sovereignty.

SourceCell Press·JournalCurrent Biology·TypeExperimental study·DateJan 5, 2023

A legume locus stimulates promiscuous interaction with soil bacteria

A recent study discovered a legume locus that stimulates promiscuous interaction with soil bacteria, forming nitrogen-fixing nodules with up to 30 different rhizobial strains. This finding opens the door for crop improvement by naturally promoting plant growth through symbiotic associations.

SourceAmerican Phytopathological Society·JournalMolecular Plant-Microbe Interactions·DateJan 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.

New nanowire sensors are the next step in the Internet of Things

Researchers developed a self-powered nanowire sensor that can detect nitrogen dioxide in the air without power source. The sensor has potential applications in environmental monitoring, healthcare, and industrial safety.

SourceARC Centre of Excellence for Transformative Meta-Optical Systems·JournalAdvanced Materials·TypeExperimental study·DateJan 5, 2023

Study shows how liver cancer hijacks circadian clock machinery inside cells

Researchers at USC Keck School of Medicine found that liver cancer cells hijack circadian clock proteins to replicate and spread. Inhibiting these proteins can prevent cancer cell multiplication and potentially improve outcomes for patients with liver cancer.

SourceKeck School of Medicine of USC·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateJan 5, 2023

BRIGHT outlook: A brief cognitive behavioral therapy appears promising for head and neck cancer survivors suffering from body-image distress

A new brief tele-cognitive behavioral therapy, BRIGHT, shows promise in reducing body-image distress among head and neck cancer survivors. The trial found that levels of body-image distress fell significantly for those who received the therapy compared to standard survivorship education.

SourceMedical University of South Carolina·JournalJAMA Otolaryngology–Head & Neck Surgery·DateJan 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.

Immune system B-cells can help predict HER2-positive breast cancer treatment response

A new study found that measuring activation of immune-system B cells may be better than measuring either T-cell activation or total number of immune cells in and around a tumor. The findings suggest that six signatures of immune cell gene activation from B cells were associated with higher elimination rates and better survival outcomes.

SourceUNC Lineberger Comprehensive Cancer Center·JournalJAMA Oncology·TypeRandomized controlled/clinical trial·DateJan 5, 2023

Meaningful but unused products hinder sustainability

Researchers found that people's attachment to products can lead to less sustainable behavior, as they may limit use and buy more goods. Designers should prioritize well-made, enjoyable, and age-graceful products to promote long-term engagement and sustainability.

SourceCornell University·JournalInternational Journal of Design·DateJan 5, 2023

Electrochemistry converts carbon to useful molecules

A Cornell University collaboration has made an innovative discovery by incorporating carbon dioxide into organic molecules via electrosynthesis. The team successfully created carboxylated pyridines, which are vital to medicinal chemistry, using a novel electrochemical reactor setup.

SourceCornell University·JournalNature·DateJan 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.

Immotile cilia initiate left-right asymmetry during early development

Tiny immobile cilia in a cluster of cells called the left-right organizer convert biomechanical forces into calcium signals that trigger left-right asymmetrical development programs. This mechanism is evolutionarily conserved and plays a crucial role in breaking bilateral symmetry during embryogenesis.

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

Spring sunny heat waves caused record snow melt in 2021, adding to severe water supply impacts across the Western US

A new study found that record-breaking snowmelt rates occurred at 24% of all mountain snowpack monitoring sites in the region in April 2021. This rapid snowmelt further compounded drought conditions, leading to reduced hydropower production and water availability across the West.

SourceDesert Research Institute·JournalEnvironmental Research Letters·TypeData/statistical analysis·DateJan 5, 2023

Women experiencing intimate partner violence three times more likely to contract HIV

A new study published in The Lancet HIV reveals that women experiencing recent intimate partner violence are three times more likely to contract HIV. The research highlights the intersectional epidemic of IPV and HIV in Sub-Saharan Africa, where women face increased risk of HIV acquisition and less frequent viral load suppression.

SourceMcGill University·JournalThe Lancet HIV·TypeData/statistical analysis·DateJan 5, 2023

Aging | Epigenetic aging is associated with aberrant neural oscillatory dynamics serving visuospatial processing in people with HIV

A new study finds epigenetic aging is associated with aberrant neural oscillatory dynamics serving visuospatial processing in people with HIV. Participants showed accelerated biological age and different brain activity patterns compared to controls, suggesting a link between biological aging and neural function in PWH.

SourceImpact Journals LLC·JournalAging-US·TypeObservational study·DateJan 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.