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Science News Archive March 2024 - Page 18


Page 18 of 42

Synthetic dimension dynamics to manipulate light

Scientists have developed a new method to manipulate light using synthetic dimension dynamics, enabling precise control over light propagation and confinement. This breakthrough has significant implications for applications such as mode lasing, quantum optics, and data transmission.

SourceSPIE--International Society for Optics and Photonics·JournalAdvanced Photonics·DateMar 19, 2024
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.

Social bonding gets people on the same wavelength

Researchers found that forming social bonds facilitates quicker and more frequent communication among group members, with neural activity aligning between leaders and followers. The study suggests a potential neurocognitive explanation for the hierarchical structure of human groups.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateMar 19, 2024

New ultrasound technology may revolutionize respiratory disease diagnoses

Researchers demonstrate efficacy of airborne ultrasound technology to detect low-amplitude movements produced by vocalizations at the chest surface. The technology allows for contactless mapping of surface vibrations, offering a better window on respiratory health and enabling better diagnoses of respiratory diseases.

SourceAmerican Institute of Physics·JournalAIP Advances·DateMar 19, 2024

Addition of atezolizumab to chemotherapy after surgery does not improve survival for triple negative breast cancer

The ALEXANDRA/IMpassion030 phase 3 trial found that adding atezolizumab to chemotherapy after surgery did not improve survival for early-stage triple-negative breast cancer patients. Researchers also found no benefit in different sub-groups, such as those with lymph node spread and PD-L1 positive cancer.

SourceEuropean Organisation for Research and Treatment of Cancer·TypeRandomized controlled/clinical trial·DateMar 19, 2024
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Climate change graphics are important, so make them simple

USC researchers found that climate change graphics are too complex, even for policymakers and practitioners. The study recommends limiting each graphic to one key message and suggests a detailed checklist to improve design. Effective graphics should convey a clear message and target broad audiences.

SourceUniversity of Southern California·JournalClimatic Change·TypeSurvey·DateMar 19, 2024

Decision aid helps patients make informed decisions about sterilization

Researchers developed a web-based decision aid to support pregnant individuals in making informed decisions about tubal sterilization. The study found that those who used the decision aid had significantly higher knowledge of the procedure's permanence and reduced uncertainty, compared to those who did not use it.

SourceUniversity of Pittsburgh·JournalJAMA Network Open·DateMar 19, 2024

Researchers reveal roadmap for AI innovation in brain and language learning

A new study highlights the importance of differentiating between formal and functional competence in language learning models. Researchers argue that leveraging human neuroscience insights can help develop more powerful AIs that mimic the brain's modularity, leading to improved performance and natural user interaction.

SourceGeorgia Institute of Technology·JournalTrends in Cognitive Sciences·TypeSystematic review·DateMar 19, 2024

In the fight against breast cancer, UMass Amherst researchers identify malignancy hibernation as the next battleground

A new review by UMass Amherst researchers highlights the need for more research on breast cancer cell dormancy, which is a contributing factor to metastatic breast cancer. The study aims to identify gaps in research and develop better models to understand and treat this phenomenon.

SourceUniversity of Massachusetts Amherst·JournalScience Advances·TypeLiterature review·DateMar 19, 2024
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.

Monitoring and measuring biodiversity require more than just numbers; scientists advocate for change

A new study published in Trends and Ecology & Evolution recommends using absolute abundance to monitor biodiversity, providing a more precise estimate of species population sizes. This method is harder to collect but offers a more accurate picture of biodiversity, enabling effective conservation actions and policy decisions.

SourceUniversity of Florida·JournalTrends in Ecology & Evolution·DateMar 19, 2024

Stroke risk after COVID-19 bivalent vaccination among US older adults

A study of over 11,000 Medicare beneficiaries aged 65+ who experienced stroke after COVID-19 bivalent vaccination found no evidence of a significantly elevated stroke risk during the days immediately following vaccination. The researchers concluded that the vaccine's safety profile is supported by this analysis.

SourceJAMA Network·JournalJAMA·DateMar 19, 2024

U.S. maternal death rate increasing at an alarming rate

A new study from Northwestern Medicine found that the US maternal mortality rate increased by nearly doubling between 2014 and 2021, with no correlation to increasing pregnancy-related deaths among older adults. The study highlights the need to investigate other causes of maternal mortality, particularly cardiovascular disease.

SourceNorthwestern University·JournalAmerican Journal of Preventive Medicine·DateMar 19, 2024

Study details effects of heat-related emergencies; vulnerable populations found to be most at risk

A new study by Harvard Pilgrim Health Care Institute reveals that nearly one-quarter of US counties had high heat-related emergency activation rates, with the South, Midwest, and Southwest being most affected. Vulnerable communities already at risk for cardiovascular disease were found to be particularly hard hit.

SourceHarvard Pilgrim Health Care Institute·JournalJAMA Network Open·DateMar 19, 2024

Researchers led by NTU Singapore and the University of Toulouse discover how our body's immune response to bacterial infections could be ‘hurting’ us

Researchers from NTU Singapore and the University of Toulouse discovered a link between ionophores, cellular ion balance, and inflammation. The study found that cells trigger an immune response when potassium ions fall below a certain level, releasing pro-inflammatory molecules.

SourceNanyang Technological University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateMar 19, 2024
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.

New archive of ancient human brains challenges misconceptions of soft tissue preservation

A new study has compiled a global archive of preserved human brains, challenging the notion that brain preservation is extremely rare. The archive reveals that nervous tissues persist in much greater abundances than traditionally thought, with many brains up to 12,000 years old and found in diverse environments.

SourceUniversity of Oxford·JournalProceedings of the Royal Society B Biological Sciences·DateMar 19, 2024

Researchers identify role of subgenomes in bamboo evolution

The study confirms the presence of four distinct subgenomes in woody bamboos, with the C subgenome dominating two tetraploid lineages. The hexaploid lineage exhibits a dynamic shift in dominance from C to A subgenomes, contributing to evolutionary traits and forest habitat adaptation.

SourceChinese Academy of Sciences Headquarters·JournalNature Genetics·TypeMeta-analysis·DateMar 19, 2024

Is your partner’s disturbed sleep keeping you up at night? Letting go of unattainable dreams may keep you both happy in bed

A new study found that individuals with a high capacity for goal disengagement can prevent worsening relationship satisfaction in couples experiencing sleep problems. By learning to let go of unattainable goals, partners can reallocate resources towards protecting and improving their relationship.

SourceFrontiers·JournalFrontiers in Psychology·TypeObservational study·DateMar 19, 2024
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.

Researchers from IRB Barcelona and Sant Joan de Déu unveil the origin of second pediatric cancers and chemotherapy-induced mutations in healthy tissues

A study by IRB Barcelona and Sant Joan de Déu Hospital reveals three distinct patterns explaining the occurrence of second cancers in children, including a mutational footprint from chemotherapy. The research advances understanding of pediatric cancer and highlights the importance of clinical data sharing.

SourceInstitute for Research in Biomedicine (IRB Barcelona)·JournalCancer Discovery·DateMar 19, 2024

New technique for Parkinson’s stem cell brain repair brings promise for patients

Researchers at the University of Galway have developed a new method for improving stem cell-based brain repair therapy for Parkinson's disease, which shows promising results in enhancing survival and maturation of cells in the brain. The technique uses a collagen hydrogel to support and protect the cells after transplantation.

SourceUniversity of Galway·JournalJournal of Neural Engineering·TypeRandomized controlled/clinical trial·DateMar 19, 2024

Targeting multiple COVID variants through the twist in the spike protein

Researchers have developed nanoparticles that can inactivate multiple strains of the SARS-CoV-2 virus by targeting its twist in the spike protein. These particles show promise as a complementary treatment for COVID-19 when vaccines and other treatments are ineffective, particularly against vulnerable populations.

SourceUniversity of Michigan·JournalProceedings of the National Academy of Sciences·DateMar 19, 2024
Apple iPhone 17 Pro

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

Molecular orientation is key: shining new light on electron behavior using 2-photon photoemission spectroscopy

Scientists observed dynamic electronic behavior and surface structure of triphenylene molecules deposited on graphite substrates, revealing a standing-up configuration. The study contributes to the development of new luminescent materials and functional organic electronic devices.

SourceOsaka Metropolitan University·JournalThe Journal of Physical Chemistry C·TypeExperimental study·DateMar 19, 2024

Researchers identify key regulators underlying regeneration in Drosophila

The study reveals Brat's role in regulating wing imaginal discs regeneration by modulating downstream growth factors. Flies with reduced Brat demonstrated improved wing regeneration but also exhibited deficiencies in cell-fate specification, highlighting the delicate balance required for proper regeneration.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalPLOS Genetics·TypeExperimental study·DateMar 19, 2024
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

New study finds significant differences in intimate partner violence injury patterns across age groups

A recent study reveals significant differences in intimate partner violence injury patterns across age groups, with adolescents experiencing a higher incidence of sexual assault and unique fracture patterns. Healthcare providers can use these findings to detect IPV in previously overlooked age groups, potentially preventing the cycle o...

SourceBrigham and Women's Hospital·JournalJournal of Adolescent Health·TypeObservational study·DateMar 19, 2024

Biomimetic curved artificial compound eyes

The article reviews biomimetic curved artificial compound eyes (BCACEs), introducing parameters to evaluate their performance. Various fabrication methods and applications are discussed, highlighting the potential for BCACEs to transform micro-optical imaging systems.

SourceAdvanced Devices & Instrumentation·JournalAdvanced Devices & Instrumentation·TypeNews article·DateMar 19, 2024

Reduced risk of PEMFC flooding by gas diffusion media hydrophobic gradient

A study outlines a gas diffusion media (GDM) design that accelerates water transport and improves reaction gas transport in polymer electrolyte membrane fuel cells, reducing the risk of flooding. The design creates a hydrophobicity gradient to enhance mass transfer ability.

SourceKeAi Communications Co., Ltd.·JournalFundamental Research·TypeComputational simulation/modeling·DateMar 19, 2024
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.

“From Osimertinib to Preemptive Combinations” by Dr. Blagosklonny

Researchers propose combining osimertinib with gefitinib to increase progression-free survival rates in EGFR-mutant lung cancer patients. A comprehensive PC approach could dramatically boost PFS for 80% of patients, eliminating harm and improving treatment outcomes.

SourceImpact Journals LLC·JournalOncotarget·TypeCommentary/editorial·DateMar 19, 2024

UT researchers investigate how freshwater diatoms stay in the light

Diatoms, a vital component of lake ecosystems, are facing declining ice cover due to warming temperatures. Researchers studied winter blooms in Lake Erie and found that some diatom species can form 'diatom ice cubes' that float to the surface and absorb light for photosynthesis.

SourceUniversity of Tennessee at Knoxville·JournalThe ISME Journal·DateMar 19, 2024

U.S. could cut cervical cancer cases & deaths by up to 20% if more patients got follow-up after screening, study suggests

A new study suggests that removing barriers to cervical cancer screening, surveillance, and diagnostic procedures can save lives and reduce disparities. If every eligible person gets the full screening and follow-up tests recommended, up to 23% fewer people would be diagnosed with cervical cancer and 20% fewer would die from it.

SourceMichigan Medicine - University of Michigan·TypeData/statistical analysis·DateMar 19, 2024
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.

Characterizing salps as predators of marine microbes

Salps are found to control microbial community structure and function by capturing a variety of microbe types, including Prochlorococcus. The study reveals that simple mechanical principles do not explain cell capture by salps, indicating a complex mechanism at play.

SourcePNAS Nexus·JournalPNAS Nexus·DateMar 19, 2024

Tunable colored films for displays and sensors

The Indian Institute of Science team developed a novel technique to fabricate structurally colored films with a liquid gallium metal and polydimethylsiloxane substrate. These films change color in response to mechanical deformation, showing potential applications in smart bandages, movement sensors, and reflective displays.

SourceIndian Institute of Science (IISc)·JournalNature Nanotechnology·DateMar 19, 2024

Social activities can prevent cognitive decline in care facility residents

Research from Amsterdam UMC found that social activities like interactions and organised events prevent cognitive decline in long-term care residents. Participation in these activities offers a protective effect, particularly for those with little or no cognitive impairment.

SourceAmsterdam University Medical Center·JournalJournal of Alzheimer’s Disease·TypeObservational study·DateMar 19, 2024
Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Dehydration is rampant among Florida farm workers, new study shows

A recent study in Florida found that nearly all farm workers were dehydrated at the end of their shifts and more than half remained dehydrated the following morning. The researchers emphasized the need for stricter federal regulations and smaller interventions to address this issue.

SourceUniversity of Illinois Chicago·JournalEnvironmental Research·DateMar 19, 2024

Drug candidate may ‘unmask’ latent HIV-infected cells, mark them for destruction

Researchers have identified a potential path to eliminate the viral reservoir that prevents people from being completely cured of HIV. A new drug candidate, called a proteolysis targeting chimeras (PROTAC) molecule, triggers the degradation of the Nef protein, which suppresses HIV replication and restores immune system detection. This ...

SourceUniversity of Pittsburgh·JournalCell Chemical Biology·DateMar 19, 2024

Insulin affects the recycling of cellular power plants

In nerve cells, insulin facilitates the elimination of defective mitochondria when energy is available. However, during energy scarcity or disrupted insulin signaling, mitochondrial recycling is reduced, allowing potentially damaged power plants to continue operating. This process affects ageing processes and neurological diseases.

SourceMax-Planck-Gesellschaft·JournalNature Metabolism·DateMar 19, 2024
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.

Study pulls back the curtain on Supreme Court decision-making

A new study published in Philosophical Transactions of the Royal Society A reveals that Supreme Court decisions are significantly shaped by interactions within the court. The researchers found that justices' decisions result from a complex process of negotiation and influence, rather than personal views or ideological leanings.

SourceComplexity Science Hub·JournalPhilosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences·TypeData/statistical analysis·DateMar 19, 2024

Chinese Medical Journal review summarizes the latest knowledge on type 2 diabetes

A recent literature review discusses the underlying mechanisms of type 2 diabetes, including insulin resistance and b-cell failure. The review also explores potential therapeutic strategies, such as replenishing and regenerating b-cells, pancreas transplants, and stem cell-derived b-cells.

SourceCactus Communications·JournalChinese Medical Journal·TypeLiterature review·DateMar 19, 2024
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Exercise helps patients with advanced breast cancer, especially if they are suffering with pain

A randomized controlled trial found that exercise programmes reduced fatigue and improved quality of life for patients with metastatic breast cancer. The study showed the greatest benefit among younger patients, but also suggested that supervised exercise can be beneficial for all patients with advanced disease.

SourceEuropean Organisation for Research and Treatment of Cancer·TypeRandomized controlled/clinical trial·DateMar 19, 2024

Choosing over the counter drugs for COVID 19? It’s complicated

Researchers from Florida Atlantic University suggest that selecting an OTC medication for mild COVID-19 symptoms should be based on the entire benefit-to-risk profile of the patient. They caution against using traditional NSAIDs like ibuprofen and naproxen due to their similar but greater side effect profiles compared to aspirin.

SourceFlorida Atlantic University·JournalThe American Journal of Medicine·TypeCommentary/editorial·DateMar 19, 2024

Is the secret to anxiety in young women hidden in our brain chemistry?

A study from the University of Surrey suggests that anxiety in girls and young women is connected to an imbalance between GABA and glutamate. As young women mature, the levels of GABA increase while those of glutamate decrease, indicating a vital indicator of anxiety levels.

SourceUniversity of Surrey·JournalDevelopmental Cognitive Neuroscience·DateMar 19, 2024
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.

Unlocking Alzheimer's mysteries: A revolutionary leap in brain network analysis

A comprehensive review of brain network analysis in Alzheimer's disease reveals intricate patterns and challenges. The study offers novel perspectives and insights, highlighting the pivotal role of brain networks in disease progression and uncovering opportunities for pioneering diagnostic tools and predictive models.

SourceWest China Hospital of Sichuan University·JournalPsychoradiology·DateMar 19, 2024

Estimating flows of forced migrants from war and crisis

A new model, ABSCIM, simulates the behavior of individuals in response to conflict, estimating daily migrant outflows with high accuracy. The model provides valuable information on refugee demographics, including age, gender, and geographic origin, informing tailored aid responses.

SourcePNAS Nexus·JournalPNAS Nexus·DateMar 19, 2024

There are large accumulations of plastics in the ocean, even outside so-called garbage patch

A recent study by UFZ and AWI researchers found significant accumulations of plastics in the North Pacific Ocean, extending far beyond the Great Pacific Garbage Patch. Microplastics were also discovered in a remote marine protected area northwest of Hawaii, challenging previous assumptions about their distribution.

SourceHelmholtz Centre for Environmental Research - UFZ·JournalEnvironmental Science & Technology·TypeCase study·DateMar 19, 2024