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Science News for December 9, 2024


Dongguk University develops gel-based stretchable triboelectric nanogenerators for wearable technology

A research team led by Professor Jung Inn Sohn from Dongguk University developed a gel polymer electrode-based triboelectric nanogenerator (GPE-TENG) with stretchable, semi-transparent, and durable properties. The device generates electrical signals when tapped or stretched, delivering a peak power of 0.36 W/m² at a load of 15 MΩ.

SourceDongguk University Evaluation and Audit Team·JournalChemical Engineering Journal·TypeExperimental study·DateDec 9, 2024

Blood transfusions for brain bleeding: Large trial in aneurysmal subarachnoid hemorrhage patients adds to debate about optimal threshold

A large trial has found no major difference in clinical outcomes between restrictive and liberal blood transfusion strategies for critically ill patients with aneurysmal subarachnoid hemorrhage. The study suggests that integrating these results with other research can provide a deeper understanding of the optimal threshold.

SourceThe Ottawa Hospital·JournalNew England Journal of Medicine·TypeRandomized controlled/clinical trial·DateDec 9, 2024

Judging knots throws people for a loop

A study published in Open Mind journal found that most people struggle to distinguish between strong and weak knots by visual inspection. Despite their experience with everyday knots, participants failed to identify the strongest knot in various experiments, even when shown videos or diagrams of the knots' construction.

SourceJohns Hopkins University·JournalOpen Mind·DateDec 9, 2024

Advance in pain relief research

Scientists identify hederagenin, a highly selective antagonist of NPFFR1, to block chronic pain. The discovery could facilitate the rational design of future therapeutics for pain management.

SourceUniversität Leipzig·JournalAngewandte Chemie International Edition·TypeExperimental study·DateDec 9, 2024

Bringing dark comets to light

A recent study by MSU researchers doubles the number of known dark comets and identifies two distinct types. Dark comets are near-Earth objects that may contain water, a potential source for delivering materials to Earth necessary for life. The discovery challenges current classification methods for asteroids and comets.

SourceMichigan State University·JournalProceedings of the National Academy of Sciences·DateDec 9, 2024

Study helps solve mystery between repeated head impacts in sports and location of brain degeneration in CTE

Researchers at Boston University Alzheimer's Disease and CTE Center found that cumulative repetitive head impacts drive specific patterns of brain degeneration in chronic traumatic encephalopathy (CTE). The study also identified tau protein accumulation as a key mechanism in neuronal loss and synaptic changes.

SourceBoston University School of Medicine·JournalActa Neuropathologica·TypeImaging analysis·DateDec 9, 2024

Study maps risk and protective factors associated with suicidal behavior

A study of 2,788 participants with impulse control disorder found that people with ICD are more likely to exhibit both overt and covert suicidal behavior. The study identified shared and specific risk factors for each type of behavior, including depressive symptoms and low self-direction.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalInternational Journal of Mental Health and Addiction·DateDec 9, 2024

Children’s Hospital of Philadelphia researchers find rotavirus vaccine is safe for use in NICU babies

Researchers at Children's Hospital of Philadelphia found that the rotavirus vaccine is safe for use in NICU babies, with a low risk of transmission and no clinical consequences. The study suggests that giving the vaccine to eligible infants during their hospitalization provides immune benefits that outweigh any risks.

SourceChildren's Hospital of Philadelphia·JournalPEDIATRICS·TypeObservational study·DateDec 9, 2024

Breakthrough AI model can translate the language of plant life

A pioneering AI model has been developed to understand the genetic 'language' of plants, allowing for precise predictions about RNA functions and identification of functional patterns. This breakthrough has significant implications for crop improvement and the next generation of AI-based gene design.

SourceJohn Innes Centre·JournalNature Machine Intelligence·TypeNews article·DateDec 9, 2024

New research reveals insights on climate-inspired urban design projects

A pair of studies analyze specific high-profile projects and a broader range of proposals, providing valuable frameworks for evaluating their effectiveness. The studies identify six primary types of climatopias, with the Reduce and Re-Use categories exhibiting the most profound engagement with sociopolitical transformation.

SourceUniversity of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science·JournalEnvironmental Research Climate·TypeMeta-analysis·DateDec 9, 2024

Falsifying anthropics

A new paper in JCAP proposes a way to test the anthropic principle, which suggests the universe is fine-tuned for life. The proposal involves confirming three conditions: cosmic inflation, axion existence, and dark matter not being made of axions.

SourceSissa Medialab·JournalJournal of Cosmology and Astroparticle Physics·TypeMeta-analysis·DateDec 9, 2024

Eyes on the brain at the University of Houston

Researchers found that autistic children prioritize faces in different ways, particularly when first seeing them, using an exploratory pattern characterized by larger face regions of interest. This may be associated with autism-related symptomology and decreased visual sensitivity to face information.

SourceUniversity of Houston·JournalBiological Psychiatry·DateDec 9, 2024

Researchers use a powerful imaging technique to illuminate the colorful plumage of birds

A new study uses hyperspectral imaging to quantify the colorful plumage of birds-of-paradise, a rare hybrid species. The research reveals that the hybrid's appearance is a precise blend of colors from its parent species, with detailed ultraviolet images capturing patches invisible to humans.

SourcePrinceton University High Meadows Environmental Institute·JournalPLOS Biology·TypeImaging analysis·DateDec 9, 2024

USC Stem Cell study breaks the silence on how fish and lizards regenerate hearing

A USC Stem Cell study has identified key gene regulators that enable some deafened animals, including fish and lizards, to naturally regenerate their hearing. The researchers found a class of DNA control elements known as 'enhancers' that amplify the production of a protein called ATOH1, which induces sensory cells in the inner ear.

SourceKeck School of Medicine of USC·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateDec 9, 2024

Reinventing global cooperation through hackathons

A recent study by the University of Geneva and the United Nations found that 30% of hackathons contribute significantly to the SDGs, particularly climate change. These events attract new participants and generate long-term collective engagement, making them a promising tool for global cooperation.

SourceUniversité de Genève·JournalPhilosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences·TypeNews article·DateDec 9, 2024

Therapeutic potential of a novel mixture of mRNA in nanoparticles overcomes tumor progression

A novel mixture of mRNA in nanoparticles has been developed to protect therapeutic mRNA against degradation, improving its overall efficacy. The therapy stimulates the immune system to recognize and eliminate cancer cells while limiting detrimental side effects, also leading to immunological memory that protects against tumor rechallenge.

SourceVrije Universiteit Brussel·JournalNature Communications·DateDec 9, 2024

Woods Hole Oceanographic Institution and partners discover new ocean predator in the Atacama Trench

Researchers from Woods Hole Oceanographic Institution and partners uncover a fast-swimming predatory amphipod species at depths of up to 8,000 meters. The newly discovered species highlights the importance of continued deep-ocean exploration and biodiversity discoveries in the Atacama Trench.

SourceWoods Hole Oceanographic Institution·JournalSystematics and Biodiversity·TypeObservational study·DateDec 9, 2024

Loneliness and social isolation among US older adults

A recent study found that US older adults aged 50-80 commonly experience loneliness and social isolation, with high rates reported across various sociodemographic groups. These findings highlight the significant impact of social isolation on physical and mental health in this age group.

SourceJAMA Network·JournalJAMA·DateDec 9, 2024

Unlocking worm strategies: A path to innovative vaccines and therapies

Researchers have identified a molecular strategy employed by worm parasites to evade host immune defenses, offering promising solutions for addressing major infectious diseases, allergies, and asthma. By analyzing the unique immune-regulatory properties of helminths, scientists pinpointed key features essential to their activity.

Nature inspires self-assembling helical polymer

Scientists at Hiroshima University have created a controlled helix using supramolecular polymerization, which can be used to control the behavior of materials in various scenarios. The new polymer has the potential to improve applications such as memory, sensing devices, and catalysis by controlling its handedness.

SourceHiroshima University·JournalAngewandte Chemie·DateDec 9, 2024

Unlocking RNA’s benefits to combat complex diseases

Researchers at the University of Ottawa have developed a nanoparticle strategy to deliver both mRNA and siRNA, enhancing and interfering with multiple gene and protein expressions. This approach holds significant promise for treating major diseases like cancer and cardiovascular diseases.

SourceUniversity of Ottawa·JournalNanoscience·TypeExperimental study·DateDec 9, 2024

Insect genome offers insights into rare biological conditions, agricultural biosecurity

Low-cost sequencing technology has opened a flood of mitochondrial DNA data on lice and other insects, bolstering studies on insect species identification and developing insecticides. This genetic data also offers insights into the impact of evolution on neurodegenerative diseases and potential pest control methods.

SourcePurdue University·JournalAnnual Review of Entomology·TypeLiterature review·DateDec 9, 2024

How to make robots more lifelike

Researchers created a measurement scale to assess robot human likeness, revealing four key qualities: appearance, emotional capacity, social intelligence, and self-understanding. To seem lifelike, robots must exhibit these traits, with self-understanding being the most challenging aspect to simulate.

SourceUniversity of Florida·JournalJournal of Service Research·TypeSurvey·DateDec 9, 2024

New data tool maps air pollution from petrochemical facilities in Gulf Coast and Ohio River Valley

A new analysis from PSE Healthy Energy reveals that fine particulate matter emissions from petrochemical facilities contribute to nearly 1,500 premature deaths annually, with estimated economic impacts of $17 billion. The study found that industry growth led to a 12% increase in greenhouse gas emissions between 2012 and 2021.

SourcePSE Healthy Energy·TypeData/statistical analysis·DateDec 9, 2024

Kessler Foundation researchers advance traumatic brain injury rehabilitation with cognitive integrated motor training and neuromodulation enhanced robotic balance therapy

Researchers develop personalized cognitive integrated sensorimotor virtual reality training to improve gait and balance in individuals with traumatic brain injury (TBI). A separate study uses robotic balance training combined with non-invasive brain stimulation to enhance postural control and motor recovery in TBI.

Hair growth drug safe at low doses for breast cancer patients

A study suggests that low doses of the commonly prescribed hair loss treatment minoxidil are safe and effective for regrowing hair in most breast cancer patients. The researchers found that all participants who took a low dose of oral minoxidil saw improvements in hair growth or stabilization within three to six months.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalJournal of the American Academy of Dermatology·TypeObservational study·DateDec 9, 2024

By age six, children think boys are better than girls at computing and engineering, new American Institutes for Research study shows

A new American Institutes for Research study found that children as young as 6 develop biases towards boys in computing and engineering, while math stereotypes are less pronounced. The study's findings highlight the need for targeted interventions to address these biases and promote equal opportunities for girls in tech fields.

SourceAmerican Institutes for Research·JournalPsychological Bulletin·TypeSystematic review·DateDec 9, 2024

Biodiversity at risk in most rainforests

A new study reveals that less than a quarter of the world's tropical rainforests have sufficient quality to support thousands of threatened species. The research highlights the urgent need for conservation strategies that prioritize forest integrity over mere preservation of cover.

SourceUniversity of Queensland·JournalProceedings of the National Academy of Sciences·DateDec 9, 2024

Considering social and genetic factors in addition to clinical factors improves prediction of heart disease risk

A study published in Annals of Internal Medicine found that incorporating social and genetic factors into clinical risk calculators for coronary heart disease (CHD) improves prediction accuracy. The researchers developed a polygenic risk score (PRS) and polysocial score (PSS), which included social determinants of health and lifestyle-...

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·TypeNews article·DateDec 9, 2024

Parental food choice values influence children's restaurant eating behavior, research shows

A new study published in the Journal of Nutrition Education and Behavior found that parental food choice values significantly impact children's meal decisions in restaurants. The research identified three distinct parent groups: hassle-free consumers, indulgent consumers, and multifaceted consumers, each with unique eating habits.

SourceElsevier·JournalJournal of Nutrition Education and Behavior·TypeSurvey·DateDec 9, 2024

Research progress on SiCf/SiC composites and their cladding components

Researchers have compiled a comprehensive review of SiCf/SiC composites, highlighting advancements in preparation processes, material properties, and performance under extreme conditions. The review emphasizes the need for further innovation in preparation processes to enhance the materials' long-term use in nuclear reactors.

SourceELSP·JournalAI & Materials·TypeLiterature review·DateDec 9, 2024

Pups of powerful meerkat matriarchs pay a price for their mom’s status

A new study by Duke University researchers reveals that pups of dominant female meerkats, exposed to higher levels of testosterone in the womb, tend to carry more gut parasites and have weaker immune systems. Blocking a matriarch's testosterone improved the health of her pups, leading to stronger natural defenses against infection.

SourceDuke University·JournalEcology and Evolution·TypeExperimental study·DateDec 9, 2024

“Missing link” between brain and body inflammatory signals identified in the skull

A study from King's College London reveals that the dural sinuses and skull bone marrow act as a likely interface between the central and peripheral immune systems, suggesting a potential link between brain and body inflammatory signals. The research highlights areas of the skull that work as 'traffic lights' between the two systems.

SourceKing's College London·JournalBrain·TypeImaging analysis·DateDec 9, 2024

New research reveals two types of fatty liver disease

Researchers at Karolinska Institutet have identified two types of metabolic-associated fatty liver disease, a liver-specific type and a systemic type that affects other organs. The discovery could lead to improved diagnosis and treatment of this growing patient group, with potential benefits for cardiovascular health.

SourceKarolinska Institutet·JournalNature Medicine·DateDec 9, 2024

A new technology with UPV hallmark improves the accuracy of radars and LiDAR systems, key technologies for autonomous transport and environmental monitoring

A new technology developed by researchers from UPV, BUPT, CAS Institute, Air Force Early Warning Academy and University of Ottawa improves the accuracy of radars and LiDAR systems by up to 14 times, enabling faster and more accurate navigation in autonomous vehicles and detailed environmental studies.

SourceUniversitat Politècnica de València·JournalNature Communications·TypeExperimental study·DateDec 9, 2024

Battery-like computer memory keeps working above 1000°F

Researchers developed a heat-tolerant memory device that can store and rewrite information at temperatures over 1100°F, comparable to the surface of Venus and the melting temperature of lead. The device uses oxygen ions instead of electrons, allowing for precise control of voltage states and potential in-memory computing applications.

SourceUniversity of Michigan·JournalDevice·DateDec 9, 2024

Breaking new ground in health care: Setting the standard for XR clinical research with the RATE-XR guideline

The RATE-XR guideline standardizes reporting for early-phase clinical studies involving extended reality technologies, ensuring transparency, safety, and ethical reporting. Developed through a multidisciplinary team of international experts, the comprehensive framework fosters reproducibility and patient-centeredness.

SourceJMIR Publications·JournalJournal of Medical Internet Research·TypeSystematic review·DateDec 9, 2024

Study shows action to eradicate yellow-legged (Asian) hornet has been effective

A new study confirms the UK's effective action against the invasive Asian hornet has prevented its establishment. The invasive species, which devastates honeybee colonies in France and Italy, was first reported in the UK in 2016 but has not spread due to rapid eradication efforts by authorities and vigilant citizens.

SourceUK Centre for Ecology & Hydrology·JournalJournal of Applied Ecology·TypeData/statistical analysis·DateDec 9, 2024

Black hole debate settled? Stellar-mass black holes found at the heart of the Milky Way's largest star cluster

Researchers used pulsar accelerations and stellar velocities to determine the presence of a cluster of stellar mass black holes at the centre of Omega Centauri. The study refines understanding of the formation of these intermediate-mass black holes, which could bridge the gap between stellar and supermassive black holes.

SourceUniversity of Surrey·JournalAstronomy and Astrophysics·DateDec 9, 2024

Toxic air in Texas high schools

A recent study of Texas high school indoor air revealed the presence of phthalates and PBDEs, linked to cancers, reproductive disorders, and nervous system damage. Researchers found correlations between SVOC concentrations and building characteristics, such as flooring type and classroom design.

The last missing piece of silicon photonics

Researchers from Forschungszentrum Jülich and their partners have successfully developed the first electrically pumped continuous-wave semiconductor laser composed exclusively of elements from the fourth group of the periodic table, or the 'silicon group'. This new laser is directly grown on a silicon wafer, offering new possibilities ...

SourceForschungszentrum Juelich·JournalNature Communications·DateDec 9, 2024

Jacobs Foundation Awards grants to the Society for Research in Child Development and the International Society for the Study of Behavioral Development to support early career scholars from Ghana and Colombia

The Jacobs Foundation has awarded grants to the Society for Research in Child Development and the International Society for the Study of Behavioral Development to support early career scholars from Ghana and Colombia. The grants will facilitate high-level training, networking, and collaborative opportunities for these scholars.

MASH discovery redefines subtypes with distinct risks: shaping the future of fatty liver disease treatment

A new study has identified two distinct subtypes of metabolic dysfunction-associated steatotic liver disease (MASH) with similar histological features but different clinical outcomes. The research empowers clinicians to adopt subtype-specific treatments leveraging simple clinical markers, offering a clear path to improve patient outcomes.

ASH: Triplet combination regimens demonstrate high response rates in multiple leukemias

The study presents strong overall responses with a triplet regimen including a novel menin inhibitor, achieving an 82% overall response rate in relapsed or refractory acute myeloid leukemia patients. The combination also demonstrated manageable side effects and significant clinical benefits, providing patients with improved treatment o...

Earliest deep-cave ritual compound in Southwest Asia discovered

Researchers from Case Western Reserve University discovered a large cavern in Manot Cave that was used as a gathering space for rituals, possibly enhancing social cohesion. The site features an engraved rock with a turtle-shell design, contemporaneous with some of the oldest cave paintings in France.

SourceCase Western Reserve University·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateDec 9, 2024