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Science News Archive May 2023 - Page 4


Page 4 of 40

Flexible nanoelectrodes can provide fine-grained brain stimulation

Rice University engineers developed ultraflexible nanoelectrodes that can deliver high-resolution stimulation therapy with minimal scarring and degradation. The devices showed precise spatiotemporal stimulus control, enabling the development of new brain stimulation therapies for patients with impaired sensory or motor functions.

SourceRice University·JournalCell Reports·TypeExperimental study·DateMay 30, 2023

Are pandemic lockdowns and vaccinations complements or substitutes? Lessons learned from COVID-19 should be considered in future pandemics

Researchers found that boosting vaccine use can reduce lockdown intensity and duration, but the relationship varies based on factors like disease severity and vaccination speed. The study suggests a nuanced approach to balancing lockdowns and vaccinations in future pandemics.

SourceCarnegie Mellon University·JournalEuropean Journal of Operational Research·DateMay 30, 2023

Breakdown spectroscopy induced by nonlinear interactions of femtosecond laser filaments and multidimensional plasma gratings

Researchers developed Plasma-grating induced breakdown spectroscopy (GIBS) and Multidimensional plasma grating induced breakdown spectroscopy (MIBS) techniques to overcome LIBS limitations. These novel methods exhibit heightened sensitivity and accuracy in detection, particularly for solution detection.

SourceUltrafast Science·JournalUltrafast Science·TypeExperimental study·DateMay 30, 2023

Monkey see, monkey do: observing macaques to better understand movement synchronization

Researchers observe 'social motor entrainment' in macaques, where movements synchronize with others, and find it varies by animal pairs, social hierarchy, and stimulus type. This study provides insights into the neural underpinnings of social cohesion and has implications for understanding human conditions like autism spectrum disorder.

SourceNational Institutes of Natural Sciences·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateMay 30, 2023

‘How do we know what we don’t know?’: Scientists completely define the process of methylation

Researchers Dr Joshua Hamey and Professor Marc Wilkins have completely defined the essential cellular process of methylation, emphasizing its role in creating proteins. The study reveals that methylation is crucial for controlling protein synthesis and cell behavior, opening up new avenues for understanding and manipulating this process.

SourceUniversity of New South Wales·JournalProceedings of the National Academy of Sciences·TypeSystematic review·DateMay 30, 2023

Study finds sex education tool improves reproductive health knowledge among adolescent girls

A Marshall University study found that a virtual sex education tool improved reproductive health knowledge scores and measures of self-efficacy among adolescent girls. The online curriculum, www.marshallteentalk.org, was designed to provide accurate and accessible reproductive health information.

SourceMarshall University Joan C. Edwards School of Medicine·JournalSex Education·TypeSurvey·DateMay 30, 2023

Ankle exosuit for community walking aims to give post-stroke wearers more independence

A new ankle exosuit designed for community use could help stroke survivors improve their walking propulsion, boost confidence, and ability, according to a proof-of-concept study. The device simplifies mechanical components and allows wearers to control it easily, with sensors tracking progress over time.

SourceHarvard John A. Paulson School of Engineering and Applied Sciences·JournalAnnals of the New York Academy of Sciences·DateMay 30, 2023

Quest for alien signals in the heart of the Milky Way takes off

A team led by Akshay Suresh is searching for periodic signals in the Milky Way's core, which could be a strategic site for an extraterrestrial beacon. The Breakthrough Listen Investigation for Periodic Spectral Signals (BLIPSS) uses novel methodology to sift through data and identify potential evidence of advanced life forms.

SourceSETI Institute·JournalThe Astronomical Journal·DateMay 30, 2023

Researchers use ‘natural’ system to identify proteins most useful for developing an effective HIV vaccine

A Johns Hopkins Medicine-led team identified protein fragments that stimulate the immune system to recognize and attack HIV. The study's technique, called reductionist cell-free antigen processing, replicates the complex events in the human immune system, enabling the identification of immunodominant epitopes.

SourceJohns Hopkins Medicine·JournalJournal of Experimental Medicine·DateMay 30, 2023

New tool may help spot “invisible” brain damage in college athletes

A new study published in The Neuroradiology Journal introduces an artificial intelligence computer program that can accurately identify changes in brain structure resulting from repeated head injury. This AI tool uses machine learning to process magnetic resonance imaging (MRI) scans and distinguish between the brains of male athletes ...

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalThe Neuroradiology Journal·TypeExperimental study·DateMay 30, 2023

The making of a Mona Lisa hologram

A team of researchers developed an acoustic metasurface-based holography technique that uses a deep learning algorithm to generate and iteratively improve a hologram of the Mona Lisa. The technique successfully reconstructed the painting, with even greater detail in her left eye.

SourceAmerican Institute of Physics·JournalApplied Physics Reviews·TypeExperimental study·DateMay 30, 2023

Experimental decoy protects against SARS-CoV-2 infection

Researchers have developed an experimental decoy that provides long-term protection from SARS-CoV-2 infection in mice by binding to the virus's spike protein. The treatment was found to be highly effective, with 100% protection against lethal doses of the virus and a significant reduction in viral load.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateMay 30, 2023

Using AI to create better, more potent medicines

Researchers at Ohio State University developed an AI framework called G2 Retro to automatically generate chemical reactions for molecules. The framework was shown to cover a vast range of possible reactions and accurately predict the best synthesis routes, offering more efficient drug design options.

SourceOhio State University·JournalCommunications Chemistry·TypeMeta-analysis·DateMay 30, 2023

Blood tests can show brain impact of neurosurgery

Researchers at the University of Gothenburg have developed a new blood test that can measure biomarkers in the blood before and after neurosurgery, correlating with the extent of brain injury. The study found that high levels of certain markers may indicate damage that could cause cognitive problems for patients in the long term.

SourceUniversity of Gothenburg·JournalNeurosurgery·TypeObservational study·DateMay 29, 2023

Fruit fly's complex symphony of vision

A unique microcircuit in fruit flies' visual system transforms a single type of neuronal input to compute direction selectivity, with no inhibitory neurons present. The discovery reveals a striking example of the multilayered mechanisms of inhibition and excitation in the brain.

SourceMax-Planck-Gesellschaft·JournalCurrent Biology·TypeExperimental study·DateMay 29, 2023

COVID-19 vaccine builds powerful immune response in First Nations peoples, study finds

A new study found that COVID-19 vaccination triggers effective immune responses against the virus in Aboriginal and Torres Strait Islander peoples. The research shows excellent antibody and T cell responses against SARS-CoV-2, with high levels of antibodies binding to the virus following two vaccine doses.

Scientists identify how some angiogenic drugs used to treat cancer and heart disease cause vascular disease

Researchers discovered that vascular toxicity linked to these drugs is unrelated to angiogenesis-related genes, but rather due to changes in vascular architecture. This new understanding will help select the most effective and safe way to modulate angiogenesis in ischemic tissues or cancer.

SourceCentro Nacional de Investigaciones Cardiovasculares Carlos III (F.S.P.)·JournalNature Cardiovascular Research·TypeExperimental study·DateMay 29, 2023

X-ray emissions from black hole jets vary unexpectedly, challenging leading model of particle acceleration

Researchers discovered that black hole jets exhibit surprising variability in x-ray emissions over short time scales, contradicting a long-held theory. This finding opens up new possibilities for understanding particle acceleration in these jets and potentially elsewhere in the universe.

SourceUniversity of Maryland Baltimore County·JournalNature Astronomy·TypeData/statistical analysis·DateMay 29, 2023

CSI Singapore researchers uncover potential novel therapeutic targets against natural killer/T-cell lymphoma

A team of researchers from CSI Singapore has identified a transcription factor, TOX2, as a potential target for treating Natural Killer/T-cell Lymphoma (NKTL), an Epstein-Barr virus-associated cancer with poor treatment outcomes. The study found that TOX2 is overexpressed in NKTL patients and negatively associated with patient survival.

SourceNational University of Singapore·JournalMolecular Cancer·DateMay 29, 2023

Study reveals underlying genetic risks for a type of heart attack largely affecting younger women

Researchers have identified 16 genes associated with an increased risk of Spontaneous Coronary Artery Dissection (SCAD), a type of heart attack primarily affecting young to middle-aged women. The study also found that patients with SCAD have some genetic protection from the risk of conventional coronary artery disease.

SourceUniversity Hospitals of Leicester NHS Trust·JournalNature Genetics·TypeMeta-analysis·DateMay 29, 2023

Using search algorithms to help guide unmanned aerial vehicles in dense city environments

A new algorithm was developed to help guide unmanned aerial vehicles (UAVs) in dense city environments by finding near-optimal positions for the UAVs with guaranteed line-of-sight links. The algorithm achieved over 95% of the performance of exhaustive 3D search schemes, making it a potentially viable option for this technology.

SourceTsinghua University Press·JournalIntelligent and Converged Networks·DateMay 29, 2023

UCLA-led research suggests no difference in health outcomes, care costs for patients treated by traditional MDs or osteopaths

A recent study published in Annals of Internal Medicine found that elderly hospitalized patients treated by physicians with MD or DO degrees had virtually identical mortality rates, readmissions, length of stay, and healthcare spending. The results suggest high-quality care regardless of the physician's educational background.

SourceUniversity of California - Los Angeles Health Sciences·JournalAnnals of Internal Medicine·TypeObservational study·DateMay 29, 2023