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Science News for April 7, 2023


Deep learning model estimates cancer risk from breast density

A new deep learning-based model estimates breast density with high precision, correlating it to cancer risk. The model's performance is comparable to that of human experts, but it can be trained faster and on smaller datasets.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Medical Imaging·TypeExperimental study·DateApr 7, 2023

Future is bright for gold-based antibiotics

New research at ECCMID 2023 presents 19 gold complexes effective against at least one hard-to-treat bacterium, including MRSA and Pseudomonas aeruginosa. The gold-based drugs use a multimodal mechanism to kill bacteria, preventing antimicrobial resistance from developing.

SourceEuropean Society of Clinical Microbiology and Infectious Diseases·DateApr 7, 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.

Birch reduction simplified to a one-minute mechanochemical process

Researchers at Hokkaido University have developed a simplified Birch reduction method that avoids liquid ammonia and can be carried out in ambient air, making it faster and more eco-friendly. The mechanochemical approach uses a ball mill to break through the surface layer on lithium metal, enabling the Birch reduction to proceed.

SourceHokkaido University·JournalAngewandte Chemie International Edition·TypeExperimental study·DateApr 7, 2023

Researchers leverage cell self-destruction to treat brain tumors

Dominique Higgins and his team found that a specialized diet can induce ferroptosis, a type of cell death, in glioblastoma cells, making chemotherapy drugs more effective. This approach has shown promise in animal models and is being explored as a potential treatment for brain tumors.

SourceUniversity of North Carolina Health Care·JournalNature Communications·DateApr 7, 2023

New research: Policies that aim to increase the supply of teachers may also lower teacher pay, thereby perpetuating the cycle of teacher shortages

New research reveals that expanded alternative licensure pathways can lead to attenuated pay for new elementary school teachers. The study found that districts hiring more than 50% of their new teachers through alternative routes experienced stagnating teacher pay after policy implementation.

SourceUniversity of Delaware·JournalAmerican Educational Research Journal·TypeMeta-analysis·DateApr 7, 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.

New method of clustering colorectal cancer patients using DPE sequencing

Researchers propose a new method of clustering colorectal cancer patients using differential presence of exons (DPE) sequencing, which can provide valuable information on CRC progression and response to therapy. This analysis may also reduce costs and time required for staging CRC patients.

SourceImpact Journals LLC·JournalOncoscience·TypeCommentary/editorial·DateApr 7, 2023

COVID-19 pandemic increased the frequency of intimate partner violence

A Rutgers study found that nearly one in five LGBTQ people experienced an increase in intimate partner violence after the COVID-19 pandemic began. Those living in the southern US were more likely to report this increase, with intimate partner violence also linked to greater depressive symptoms.

SourceRutgers University·JournalJournal of Gay & Lesbian Social Services·TypeSurvey·DateApr 7, 2023

Scientists use peroxide to peer into metal oxide reactions

Researchers at Binghamton University and Brookhaven Lab used advanced spectroscopy techniques to study the effects of peroxides on copper oxide surfaces. They found that peroxides significantly enhanced CuO reducibility in favor of H2 oxidation, while acting as an inhibitor to suppress CO oxidation.

SourceDOE/Brookhaven National Laboratory·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateApr 7, 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.

Here’s how a worm’s embryonic cells changed its development potential

Researchers at Johns Hopkins University discovered how histone H3 controls cell specialization in worms, offering insights into cell differentiation and potential links to diseases. The study used CRISPR gene-editing technique to track the role of histones in development.

SourceJohns Hopkins University·JournalScience Advances·TypeExperimental study·DateApr 7, 2023

Two-organ chip to answer fatty liver questions

Researchers created the integrated-gut-liver-on-a-chip platform to examine how gut and liver cells interact, particularly in relation to non-alcoholic fatty liver disease. The study showed significant changes in gene expression and DNA damage when free fatty acids were introduced, leading to cell death similar to severe cases of NAFLD.

SourceKyoto University·JournalCommunications Biology·TypeExperimental study·DateApr 7, 2023

nTIDE March 2023 jobs report: people with disabilities maintain record labor force participation rate, outperforming people without disabilities

The labor force participation rate for people with disabilities increased to a record 40.2% in March 2023, surpassing the rate for those without disabilities (77.6%). This growth reflects an ongoing recovery from the COVID-19 pandemic and may be driven by factors such as increased job opportunities and family needs.

SourceKessler Foundation·DateApr 7, 2023

Scientists discover a way Earth’s atmosphere cleans itself

Researchers have found that a strong electric field can create hydroxide, which reacts with pollutants and greenhouse gases, altering our understanding of atmospheric chemistry. This new mechanism changes how scientists build computer models to forecast air pollution.

SourceUniversity of California - Irvine·JournalProceedings of the National Academy of Sciences·DateApr 7, 2023
Apple iPhone 17 Pro

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

Novel approach prevents liver damage in animal models of Alagille syndrome

Researchers developed an ASO treatment that improves bile duct development and prevents fibrosis and cell death in animal models of Alagille syndrome. The study offers a potential therapeutic option for patients with this condition, potentially bypassing the need for liver transplant.

SourceBaylor College of Medicine·JournalHepatology·TypeExperimental study·DateApr 7, 2023

Researchers find comprehensive sex education reduces homophobia, transphobia

A randomized controlled trial of High School FLASH, an LGBTQIA+ inclusive evidence-based sex education curriculum, found that the program reduced homophobic and transphobic beliefs among both LGBTQ and straight/cisgender students. The study also showed improved feelings of safety and connection to peers among LGBTQ students.

SourceDfusion (United States)·JournalPrevention Science·TypeRandomized controlled/clinical trial·DateApr 7, 2023

Retinal microvasculature is a potential biomarker for acute mountain sickness

A study led by Dr.Ningli Wang and Dr.Yuan Xie found that retinal microvasculature alterations can predict acute mountain sickness (AMS). The researchers used optical coherence tomography angiography to measure retinal capillary blood flow density, revealing increased perfusion pressure as a key mechanism in AMS pathogenesis.

SourceScience China Press·JournalScience China Life Sciences·DateApr 7, 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.

“We were dancing around the lab” – cellular identity discovery has potential to impact cancer treatments

Researchers at Trinity College Dublin have discovered a new process that explains why cells have unique identities. By studying Polycomb protein complexes, the team found that different forms of these proteins recruit distinct complexes to DNA, shedding light on cellular identity and its potential impact on cancer treatments.

SourceTrinity College Dublin·JournalMolecular Cell·DateApr 7, 2023

Internet access must become human right or we risk ever-widening inequality

A new study calls for internet access to be declared a basic human right to address socio-economic disparities. In developing countries, internet access can determine education, healthcare, housing, and employment outcomes. The study advocates for free internet access and digital skills training to ensure equal opportunities.

SourceUniversity of Birmingham·JournalPolitics Philosophy & Economics·TypeMeta-analysis·DateApr 7, 2023

Researchers reveal structural mechanism of tetrahymena ribozyme self-splicing reaction

A team led by Prof. ZHANG Kaiming solved six conformations in the second-step self-splicing of Tetrahymena ribozyme, revealing its mechanism on an atomic level. The researchers used cryo-EM to resolve RNA structures, providing insights into the advantages of this technique for studying heterogeneous molecules.

SourceUniversity of Science and Technology of China·JournalNature Communications·DateApr 7, 2023

Study reveals epigenetic vulnerability of acute myeloid leukemia

A new study reveals that targeting the SWI/SNF protein complex can disrupt PU-1-directed enhancer programs in AML cells, leading to therapeutic responses and rapid tumor regression. The findings also show that these inhibitors have manageable side effects on normal blood cells.

SourceBaylor College of Medicine·JournalCancer Research·TypeExperimental study·DateApr 7, 2023

More frequent hurricanes raise risk to US East and Gulf coasts

Researchers find that changes in wind patterns caused by warmer tropical waters are steering storms closer to the US East and Gulf coasts, increasing risk for residents. The study reveals that this phenomenon is linked to stronger hurricane frequency due to climate change.

SourceDOE/Pacific Northwest National Laboratory·JournalScience Advances·TypeComputational simulation/modeling·DateApr 7, 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.

How to make electronic noses smell better

A comprehensive review of e-nose methods and algorithms aims to improve smell detection capabilities. The study highlights limitations of current gas sensors and provides an outlook on algorithm design.

SourceIntelligent Computing·JournalIntelligent Computing·DateApr 7, 2023

In Florida study, nonnative leaf-litter ants are replacing native ants

A new study reveals a steady decline in native leaf-litter ants and simultaneous increase in nonnative ants in Florida, even in protected natural areas. Nonnative ants are most likely arriving with goods transported to the state from around the world.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalCurrent Biology·TypeObservational study·DateApr 7, 2023

Spike in major league home runs tied to climate change

A Dartmouth College study found that more than 500 home runs since 2010 can be attributed to higher-than-average temperatures due to climate change. Rising temperatures could account for 10% or more of home runs by 2100, with some stadiums experiencing significant spikes in home run totals.

SourceDartmouth College·JournalBulletin of the American Meteorological Society·TypeData/statistical analysis·DateApr 7, 2023

A new quantum approach to solve electronic structures of complex materials

Researchers at Argonne National Laboratory and University of Chicago developed a hybrid simulation process using IBM quantum computers to solve electronic structure problems. The new method uses classical processing to mitigate noise generated by the quantum computer, paving the way for future improvements.

SourceDOE/Argonne National Laboratory·JournalJournal of Chemical Theory and Computation·DateApr 7, 2023

Biodiversity auditing key to success of new conservation plans

A new research approach suggests integrating biodiversity auditing into conservation plans to effectively support a wider range of important species. This method has been successfully tested in the UK's East Anglia region and could benefit biodiversity nationally, including the European Union's 2030 Biodiversity Strategy.

SourceUniversity of East Anglia·JournalBiological Conservation·DateApr 7, 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.

CHOP-led study identifies two different regulatory T cell populations

A recent study led by Children's Hospital of Philadelphia identifies two different regulatory T cell populations, one related to autoimmunity and the other to protective immunity. The findings could pave the way for new treatments that target the immune system selectively.

SourceChildren's Hospital of Philadelphia·JournalScience Immunology·DateApr 7, 2023

Long-COVID a greater burden for migrant groups than the native population

Research from Amsterdam UMC reveals that all prominent migrant groups are suffering more from long-covid than the native Dutch population, with rates ranging from 26-50% higher. The study highlights the need for awareness and accessible healthcare services in ethnic minority and migrant communities.

SourceAmsterdam University Medical Center·JournalThe Lancet Regional Health - Europe·TypeData/statistical analysis·DateApr 7, 2023

UC Riverside-led study sheds light on how IBD can develop

A UC Riverside-led study found that reduced PTPN2 activity in intestinal epithelial cells leads to decreased Paneth cell antimicrobial peptide production, disrupting the gut microbiota and increasing E. coli. This loss can serve as a marker of IBD disease.

SourceUniversity of California - Riverside·JournalCellular and Molecular Gastroenterology and Hepatology·TypeExperimental study·DateApr 7, 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.

New genetic finding provides clue for personalizing depression treatment

A team of scientists at MUSC identified a key gene that plays a role in the link between long-term stress and a common type of depressive behavior in mice. The study suggests that there may not be one central mechanism by which stress causes depression, but rather multiple pathways connecting stress with different symptoms.

SourceMedical University of South Carolina·TypeExperimental study·DateApr 7, 2023

High blood pressure in your 30s is associated with worse brain health in your 70s

A new UC Davis study found that high blood pressure in young adulthood is associated with lower regional brain volumes and worse white matter integrity, both factors linked to dementia. The research also showed sex differences in the negative brain changes, with men exhibiting stronger effects than women.

SourceUniversity of California - Davis Health·JournalJAMA Network Open·TypeImaging analysis·DateApr 7, 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.

HonorHealth Research Institute joins City of Hope and TGen in creating method for scoring pancreatic cancer patients for surgery

A new equation and 3D imaging technology have been developed to score pancreatic cancer patients for surgical removal of their tumor. The method provides a precise way to determine which patients are eligible for surgery, with the potential to improve treatment outcomes.

SourceThe Translational Genomics Research Institute·JournalFrontiers in Imaging·TypeRandomized controlled/clinical trial·DateApr 7, 2023

The social framework

A team at the University of Pittsburgh has created a framework to analyze the influence of online conspiratorial content on individuals and communities. The project aims to identify sociodemographic and psychometric factors that contribute to the spread of such messages.

SourceUniversity of Pittsburgh·DateApr 7, 2023

Four different autism subtypes identified in brain study

A new study from Weill Cornell Medicine has identified four clinically distinct groups of people with autism spectrum disorder, each with unique brain connection patterns and behavioral traits. The findings highlight the potential for personalized therapies tailored to individual subgroups, which may lead to more effective treatments.

SourceWeill Cornell Medicine·JournalNature Neuroscience·DateApr 7, 2023