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Science News for October 1, 2024


Using antimatter to detect nuclear radiation

Researchers developed a detector that senses and analyzes antineutrinos emitted by nuclear reactors, enabling detection of reactor use even from hundreds of miles away. The device exploits Cherenkov radiation to characterize energy profiles and can distinguish between operational cycles and specific isotopes in spent fuel.

SourceAmerican Institute of Physics·JournalAIP Advances·DateOct 1, 2024

Structure of a eukaryotic CRISPR-Cas homolog, Fanzor2, shows its promise for gene editing

Scientists at St. Jude Children's Research Hospital studied the structure of Fanzor2, a eukaryotic genome-editing protein, to understand its potential for gene editing. The findings reveal that Fanzor2 has a unique RNA-guided nuclease system, which could be harnessed to create more functional and smaller proteins.

SourceSt. Jude Children's Research Hospital·JournalNature Structural & Molecular Biology·TypeData/statistical analysis·DateOct 1, 2024

Discovery of orbital angular momentum monopoles enables orbital electronics with chiral materials

Researchers at the Max Planck Institute have made a groundbreaking discovery in chiral materials, enabling the creation of orbital electronics. The study reveals that certain materials naturally possess orbital angular momentum monopoles, which can be harnessed for memory devices and other applications.

SourceMax-Planck-Institut für Mikrostrukturphysik·JournalNature Physics·TypeExperimental study·DateOct 1, 2024

Researchers observe hidden deformations in complex light fields

Researchers at Tampere University have observed hidden deformations in complex light fields for the first time. These deformations carry significant information about the object, such as its material properties. The study has implications for measuring material properties with structured waves and will inspire new optical technologies.

SourceTampere University·JournalNature Communications·DateOct 1, 2024

Nudges fail to reduce online hate

A pre-registered experiment found that seven nudges aimed at reducing hateful speech online had no effect, but unexpectedly increased engagement with harmless posts. The study recruited over 4,000 Americans and showed participants one of the nudges before engaging with a website featuring varied content.

SourcePNAS Nexus·JournalPNAS Nexus·DateOct 1, 2024

Climate scientists express their views on possible future climate scenarios in a new study

A new study reveals that climate experts believe the Earth is headed for a rise in global temperatures far higher than the 2015 Paris Agreement targets. Two-thirds of respondents think we may succeed in achieving net zero CO2 emissions during the second half of this century, indicating some optimism about mitigation efforts.

SourceConcordia University·JournalCommunications Earth & Environment·TypeSurvey·DateOct 1, 2024

Antibodies in breast milk provide protection against common GI virus

A study by researchers at the University of Rochester Medical Center found that high levels of specific antibodies in breast milk provide protection against rotavirus, a common gastrointestinal disease. The findings highlight the importance of optimized breastfeeding practices to improve infant health globally.

SourceUniversity of Rochester Medical Center·JournalJournal of Clinical Investigation·TypeData/statistical analysis·DateOct 1, 2024

Do coyotes have puppy dog eyes? New study reveals wild canines share dog's famous expression

Researchers at Baylor University found that coyotes possess a well-developed muscle for raising their inner eyebrow, similar to dogs, contradicting the idea that this feature evolved specifically during domestication. The study suggests that 'puppy dog eyes' may be an ancestral trait shared by multiple species in the Canis genus.

SourceBaylor University·JournalRoyal Society Open Science·TypeData/statistical analysis·DateOct 1, 2024

Looking deeper into the mirror

Researchers have made a promising breakthrough in understanding the origins of mirror movements disorder by identifying the cellular mechanism behind the condition. A defect in axon guidance is revealed to be the underlying cause of the disorder, which can lead to difficulties in performing tasks requiring left-right coordination.

SourceUniversity of Montreal·JournalScience Signaling·DateOct 1, 2024

Survival gap eliminated for Black cord blood recipients with blood cancers, study finds

A retrospective analysis of over 2,600 patients found that Black children were more likely to suffer severe graft-versus-host disease but overall survival rates improved across all racial groups. The study suggests that cord blood transplants are a vital lifeline for many patients and improve care for those without a matched donor.

SourceUniversity of Virginia Health System·JournalTransplantation and Cellular Therapy·DateOct 1, 2024

New MBARI research reveals the dynamic processes that sculpt the Arctic seafloor

Researchers have discovered large underwater ice formations at the edge of the Canadian Beaufort Sea, revealing an unanticipated mechanism for submarine permafrost ice formation. The newly formed ice is created by melting ancient permafrost and refreezing as brackish groundwater approaches the seafloor.

SourceMonterey Bay Aquarium Research Institute·JournalJournal of Geophysical Research Earth Surface·DateOct 1, 2024

Different adaptation strategies to saline soils identified in neighbouring populations of the same plant species

Two populations of the same wild species, Brassica fruticulosa, have evolved differently under similar environmental conditions, revealing distinct adaptation strategies to soil salinity. The study identifies two adaptive responses, one involving sodium restriction and the other through efficient osmotic adjustment mechanisms.

SourceUniversitat Autonoma de Barcelona·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateOct 1, 2024

More clarity on hereditary colorectal cancer

A large proportion of gene variants previously classified as 'variants of uncertain significance' (VUS) have been reclassified as benign, according to a study published in the American Journal of Human Genetics. This reduces the total number of VUS by 37%, providing relief for carriers worldwide.

SourceUniversitatsklinikum Bonn·JournalAmerican Journal of Human Genetics·DateOct 1, 2024

Researchers develop method to obtain fine spatial and temporal resolution land surface temperature data

A new spatio-temporal fusion method called RES-STF combines VIIRS LST and Landsat LST data to create high-resolution images with both spatial and temporal details. This approach offers improved accuracy and robustness compared to traditional methods, providing critical data for studying urban heat environment changes and guiding agricu...

SourceJournal of Remote Sensing·JournalJournal of Remote Sensing·TypeExperimental study·DateOct 1, 2024

The picture book that doesn't exist

A new study reveals that bais, vast treeless clearings in the Congo Basin, are home to numerous endangered species, including Western lowland gorillas and African forest elephants. The researchers found over 2,000 distinct bais, covering less than 0.2% of the national park's landscape.

SourceHarvard University·JournalEcology·TypeData/statistical analysis·DateOct 1, 2024

Research in 4 continents links outdoor air pollution to differences in children’s brains

A systematic review of 40 studies found associations between outdoor air pollution and differences in children's brain volumes, connections, and markers for Alzheimer's disease. The study suggests that even low-level pollution can impact brain development, highlighting the need for policy changes to reduce exposure.

SourceUniversity of California - Davis·JournalDevelopmental Cognitive Neuroscience·TypeLiterature review·DateOct 1, 2024

Gut microbiome and tumor cachexia: New Euro-pean research network

The 'MiCCrobioTAckle' project investigates the complex interactions between the gut microbiome and tumor cachexia to find ways of slowing down muscle breakdown. Twelve doctoral researchers from twelve countries will work together across Europe, gaining new insights into the relationship between the gut microbiome and cancer cachexia.

New ACS report: Breast cancer mortality continues three decade decline overall, but steeper increases in incidence for women <50 & Asian American, Pacific Islanders of all ages

The new report finds breast cancer mortality rates overall have dropped by 44% since 1989, averting approximately 517,900 breast cancer deaths. However, the incidence of breast cancer has continued to rise, with a 1% annual increase from 2012-2021.

SourceAmerican Cancer Society·JournalCA A Cancer Journal for Clinicians·DateOct 1, 2024

Bacterial contamination and microplastics threaten Colombia’s largest and most productive coastal lagoon

The study reveals high levels of potentially pathogenic bacteria in microplastics and fish consumed by the local population, threatening the entire natural ecosystem and human health. The Cénaga Grande de Santa Marta, a shallow lake ecosystem, is also home to numerous bacterial species that can cause infections, including Vibrio cholerae.

SourceUniversity of Barcelona·JournalJournal of Hazardous Materials·TypeObservational study·DateOct 1, 2024

Women more likely to choose wine with feminine labels

A recent study by Washington State University researchers found that women are more inclined to purchase wine with labels featuring feminine gender cues. The study's lead author noted that winemakers may want to pay attention to the perceptions of this understudied group, which represents 59% of U.S. wine consumers.

SourceWashington State University·JournalInternational Journal of Hospitality Management·DateOct 1, 2024

Guideline on handling endobronchial ultrasound transbronchial needle samples released by CHEST

The American College of Chest Physicians has released a new clinical guideline on endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) specimen processing and handling to standardize the process. The guidelines aim to improve diagnostic yield and specimen preservation for downstream ancillary testing.

SourceAmerican College of Chest Physicians·JournalCHEST Journal·DateOct 1, 2024

McMaster University researchers identify new therapeutic approach to preventing cancer from spreading to the brain

Researchers at McMaster University have identified a critical vulnerability in metastatic brain cancer that can be exploited with new drugs. By targeting an enzyme called IMPDH, they anticipate preventing brain metastasis from occurring. The study has shown promising results and could lead to an alternative treatment option for patients

SourceMcMaster University·JournalCell Reports Medicine·DateOct 1, 2024

American Academy of Pediatrics examines the impact of school expulsion and recommends ways to create supportive learning environments for all students

The American Academy of Pediatrics recommends a multidisciplinary approach to create supportive learning environments, reducing harm from suspension and expulsion. Research shows that exclusions don't deter misbehavior and instead create significant mental and physical health harms.

SourceAmerican Academy of Pediatrics·JournalPEDIATRICS·DateOct 1, 2024

Immigrants to the United States still assimilate

Research suggests that immigrant assimilation patterns have remained consistent over the past century, with immigrants still working low-paying jobs and their children entering the middle class. Attitudes toward immigration are more positive than ever before, but also more polarized by political party.

SourcePNAS Nexus·JournalPNAS Nexus·DateOct 1, 2024

Siloxane nanoparticles unlock precise organ targeting for mRNA therapy

Researchers at the University of Pennsylvania School of Engineering and Applied Science have discovered a novel means of directing lipid nanoparticles to target specific tissues. By incorporating siloxane composites into ionizable lipids, they were able to achieve tissue-specific delivery, particularly to the liver, lungs, and spleen.

SourceUniversity of Pennsylvania School of Engineering and Applied Science·JournalNature Nanotechnology·TypeExperimental study·DateOct 1, 2024

A third of Swedish cheerleaders tell of psychological abuse

According to a study from Linköping University, 29% of current and former Swedish cheerleading athletes reported experiencing psychological abuse. The most common reason was feeling frozen out of the community or being manipulated, while lack of support from coaches and injuries were also major contributors to athletes quitting the spo...

SourceLinköping University·JournalJournal of Sports Sciences·TypeSurvey·DateOct 1, 2024

Scientists discover planet orbiting closest single star to our Sun

Astronomers have discovered an exoplanet orbiting Barnard's star, located six light-years away, which has at least half the mass of Venus and orbits its star in just over three Earth days. The discovery was made using ESO's VLT and confirms the existence of a new exoplanet candidate, while also hinting at the presence of three more.

SourceESO·JournalAstronomy and Astrophysics·DateOct 1, 2024

High-throughput modular click chemistry synthesis of catechol derivatives as covalent inhibitors of SARS-CoV-2 3CL pro

Researchers developed a modular click chemistry method to synthesize catechol derivatives, which showed potent inhibitory effects against SARS-CoV-2 3CL pro with low cytotoxicity. The study demonstrates the feasibility of this approach for natural-product-based structural modifications in antiviral drug discovery.

SourceCompuscript Ltd·JournalActa Materia Medica·DateOct 1, 2024

Addressing the geriatric healthcare workforce shortage

A new study presents an innovative curriculum for nursing students, exposing them to geriatric care early in their training with the goal of increasing interest in specializing in care for older adults. The curriculum uses virtual standardized patients, providing a higher level of training and covering knowledge, attitudes, and skills.

SourceRegenstrief Institute·JournalJournal of the American Geriatrics Society·DateOct 1, 2024

Understanding regional climate change is essential for guiding effective climate adaptation policy, study finds

A new synthesis of regional climate data highlights the need for climate adaptation policy based on the latest regional climate science. Emerging signals of climate change are expected to significantly alter monsoon intensity, leading to substantial societal impacts in tropical and subtropical regions.

SourceFrontiers·JournalFrontiers in Science·TypeLiterature review·DateOct 1, 2024

Public discourse promotes socially responsible behavior

A new study by economists at the University of Zurich finds that engaging in public discourse increases socially responsible market behavior regardless of participants' social norms and values. The researchers conducted three lab experiments with over 2,500 participants and observed a significant increase in trade with fair products wh...

SourceUniversity of Zurich·JournalAmerican Economic Review·TypeExperimental study·DateOct 1, 2024

Mount Sinai leaders receive prestigious awards during the American College of Emergency Physicians 2024 Scientific Assembly (ACEP24)

Brendan G. Carr, MD, MS, receives the Colin C. Rorrie Award for Excellence in Health Policy, recognized for his work on building regional systems for emergency care and advocating for increased collaboration between public and private sectors. Ugo Ezenkwele, MD, MPH, receives the Leon L. Haley Jr. Award for Excellence in Diversity, Inc...

Research heralds new era for genetics

The study analyzed the genetic profiles of 80,000 people and found that repeat expansion disorders (REDs) are common across different populations. The findings suggest a significant shift in how we think about genetic testing, profiling, and counseling for these conditions.

SourceQueen Mary University of London·JournalNature Medicine·TypeObservational study·DateOct 1, 2024

Costs of fatal falls among US older adults trump those attributed to firearm deaths

A new study finds that fatal falls among older people in the US have a higher cost than firearm deaths, with an estimated average medical cost of $1,427,773,589 for fatal falls compared to $246,456,666 for firearm injuries. The researchers highlight the urgent need for preventive measures to address this growing public health challenge.

SourceBMJ Group·JournalTrauma Surgery & Acute Care Open·TypeObservational study·DateOct 1, 2024

Building better solar cells: assembly of 2D molecular structures with triptycene scaffold

Scientists developed a streamlined approach to assemble 2D molecular structures using a supramolecular scaffold, enhancing the efficiency of singlet fission and paving the way for advancements in solar cells. The new method created two distinct 2D self-assembling structures with high quantum yields, outperforming previous designs.

SourceInstitute of Science Tokyo·JournalScience Advances·TypeExperimental study·DateOct 1, 2024