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Science News for May 26, 2023


A Botox discovery that could save lives

Researchers have discovered how Botox, a deadly neurotoxin, enters brain cells, allowing for potential therapeutic targets to be identified. The study, published in the EMBO Journal, reveals that Botox hijacks a complex of receptors to interrupt communication between nerves and muscle cells, causing paralysis.

SourceUniversity of Queensland·JournalThe EMBO Journal·TypeExperimental study·DateMay 26, 2023

Gene therapy rescues hearing for the first time in aged mouse models

Researchers successfully demonstrate AAV vector efficacy in aged animal models, showing robust hearing rescue in mice with a mutation equivalent to a defective human gene. The study suggests that virally mediated gene therapy could potentially treat genetic hearing loss, especially for patients diagnosed at advanced age.

SourceMass Eye and Ear·JournalMolecular Therapy·TypeComputational simulation/modeling·DateMay 26, 2023

Optimising outcomes for older adults

Researcher Micah Tan has been recognized for his work on older adults' health and wellbeing. His research focuses on developing holistic measures of wellbeing that can span economic, psychological, social, and mental dimensions. He aims to help more people age successfully by enabling them to contribute meaningfully to their communities.

Strategic city planning can help reduce urban heat island effect

A new study found that strategic city planning can reduce the urban heat island effect by using trees, taller buildings with shade-providing effects, and pavement with high albedo levels. These design strategies can help create more comfortable thermal conditions in cities, especially for low-income communities and vulnerable populations.

SourcePenn State·JournalBuildings·DateMay 26, 2023

Hydrogen sulfide in cancer treatment

A team of researchers found that a hydrogen sulfide donor adjuvant can disrupt mitochondrial respiration, suppressing heat shock protein production and making tumor cells more sensitive to photothermal therapy. This approach led to the eradication of tumors in laboratory mice with breast tumors within just a few days.

SourceWiley·JournalAngewandte Chemie International Edition·TypeExperimental study·DateMay 26, 2023

Life through rose-coloured glasses

The study found that poison frog tadpoles developing in clear environments can visually discriminate between predators, while those in darker environments exhibit weaker responses. This research provides insight into the visual plasticity of animals in response to environmental change and its implications for habitat disturbance.

SourceUniversity of Jyväskylä - Jyväskylän yliopisto·JournalJournal of Experimental Biology·TypeExperimental study·DateMay 26, 2023

Fractons as information storage: Not yet quite tangible, but close

Researchers have modeled fractons, stationary quasiparticles, and found they are not visible even at absolute zero temperature due to quantum fluctuations. The team plans to develop a model to regulate these fluctuations, paving the way for experimental materials that could exhibit fractons.

SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalPhysical Review Letters·TypeComputational simulation/modeling·DateMay 26, 2023

Fibromyalgia changes the brain

Researchers found changes in grey matter volume in pain-processing areas of the brain, with decreased volume in regions responsible for inhibiting pain. The study also revealed altered signal transmission in the thalamus and correlations between brain structure and perceptional characteristics.

SourceRuhr-University Bochum·JournalArthritis Research & Therapy·TypeObservational study·DateMay 26, 2023

Laser-induced monolayer graphene nanoprocessing

Researchers at Tohoku University have developed a technique to micro/nanofabricate silicon nitride thin devices using a femtosecond laser. The method enables precise machining and contaminant removal, opening doors for non-destructive cleaning of high-purity graphene. By applying this method to an ultra-thin atomic layer of graphene, t...

SourceTohoku University·JournalNano Letters·DateMay 26, 2023

State policies can boost use of anti-opioid medication

A new RAND Corporation study finds that state policies requiring additional education for buprenorphine prescribers and continuing medical education related to substance misuse significantly increase the use of anti-opioid medication. This is associated with improved quality of life and decreased fatal overdose rates.

SourceRAND Corporation·JournalJAMA Health Forum·TypeData/statistical analysis·DateMay 26, 2023

Forging a dream material with semiconductor quantum dots

Scientists have successfully created a superlattice of lead sulfide semiconducting colloidal quantum dots that exhibits the electrical conducting properties of a metal. This breakthrough could lead to improved capabilities in devices such as solar cells, biological imaging, and quantum computing.

SourceRIKEN·JournalNature Communications·TypeExperimental study·DateMay 26, 2023

Scepticism about Microsoft results

Researchers at the University of Basel have questioned Microsoft's claims of detecting Majorana particles, suggesting alternative explanations for the anomaly and superconducting properties detected in experiments. The team's calculations show that disorder in the nanowire could be responsible for the observed effects.

SourceUniversity of Basel·JournalPhysical Review Letters·DateMay 26, 2023

Bird brains can flick switch to perceive Earth’s magnetic field

Research on white-throated sparrows reveals that the cluster N brain region is activated at night when motivated to migrate and goes dormant during rest periods. This study expands understanding of how animals use the Earth's magnetic field for navigation, shedding light on the impact of human activities on bird migration.

SourceUniversity of Western Ontario·JournalEuropean Journal of Neuroscience·TypeExperimental study·DateMay 26, 2023

Effective as a collective: Researchers investigate the swarming behavior of microrobots

A team of researchers at Johannes Gutenberg University Mainz studied the collective behavior of small robots and found that they can solve tasks that a single machine cannot. The study uses statistical physics to analyze how the robots interact and move, revealing potential applications in medical and pharmaceutical applications.

SourceJohannes Gutenberg Universitaet Mainz·JournalScience Advances·DateMay 26, 2023

First death in the UK associated with Xylazine

A 43-year-old male's death in May 2022 is the first UK case associated with Xylazine, a non-opioid sedative and painkiller. The drug, commonly used in veterinary medicine, has been linked to widespread problems in North America due to its ability to lower breathing and heart rate.

SourceKing's College London·JournalJournal of Forensic and Legal Medicine·DateMay 26, 2023

Basis for skin and organ production: Researchers from Graz University of Technology revolutionize production of biocompatible microfibers

A new method for producing biocompatible microfibres with controlled size and shape has been developed at Graz University of Technology, significantly accelerating production and reducing costs. This breakthrough enables the potential for accelerated production of autologous skin and organs, which could be a game-changer for burn victi...

SourceGraz University of Technology·JournalPhysical Review Applied·TypeExperimental study·DateMay 26, 2023

Breast, rectal, kidney, and brain cancer phase 3 trials headline Dana-Farber research at ASCO Annual Meeting

Dana-Farber researchers present promising results for patients with rectal, brain, and kidney cancers in phase 3 trials. The PROSPECT trial shows neoadjuvant chemoradiation versus FOLFOX chemotherapy offers improved survival benefits for locally advanced rectal cancer patients. Additionally, the INDIGO trial demonstrates vorasidenib's ...

Absolute vs. relative efficiency: How efficient are blue LEDs, actually?

Researchers at University of Illinois Urbana-Champaign found that the absolute internal quantum efficiency (IQE) of InGaN-based blue LEDs can be as low as 27.5%, drastically lower than the standard assumption. The study's results suggest a new approach to measuring IQE, providing a more accurate picture of LED performance.

SourceBeckman Institute for Advanced Science and Technology·JournalApplied Physics Letters·DateMay 26, 2023

Harnessing large vision-language models

Researchers are exploring the use of large-scale pre-trained vision-language models (PT-VLM) to develop a new methodological framework for harnessing their power. The project aims to identify basic skills required by VisualQA and design methods to augment pre-trained models with additional skills, such as object recognition and spatial...

How eating natto might help to distress

Research suggests that consuming natto can enhance lifespan and stress resistance in Caenorhabditis elegans worms by activating key signaling pathways. This fermented soybean product has been found to have antioxidant and anti-inflammatory effects, which may contribute to its potential health benefits.

SourceOsaka Metropolitan University·JournalJournal of Applied Microbiology·TypeExperimental study·DateMay 26, 2023

Tree islands bring biodiversity to oil palm plantations

An international research team has found that tree islands in oil palm plantations can significantly increase biodiversity within five years. This method also does not affect the yield of the plants. The study was conducted on an industrial-scale plantation in Indonesia and showed promising results for ecological restoration.

SourceUniversity of Göttingen·JournalNature·TypeExperimental study·DateMay 26, 2023

Innovative endoscopic imaging system can detect multiple fluorescent tracers

Researchers developed a novel endoscopic imaging system with a bioinspired sensor that can detect multiple fluorescent probes, enabling more accurate fluorescence-guided cancer surgery. The system showed improved spatial resolution and sensitivity in detecting tumors, paving the way for the adoption of multi-tracer FGS.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Biomedical Optics·DateMay 26, 2023

Networks in the dog brain

A recent study on canine brain networks has provided insights into the evolution of human brain function, revealing that the cingulate cortex played a central role in mammalian brain development. The research used fMRI to analyze brain activity in dogs and identified functional networks that differ from those in humans.

SourceEötvös Loránd University·JournalBrain Structure and Function·DateMay 26, 2023

Oregon State study provides foundation for protecting rare fox in Cascades, Sierra Nevada

A new study by Oregon State University provides a framework for protecting the endangered Sierra Nevada red fox, which is struggling due to habitat loss and climate change. The research uses computer modeling based on 12 years of data to estimate the fox's population distribution in the Cascades and Sierra Nevada regions.

SourceOregon State University·JournalJournal of Mammalogy·TypeObservational study·DateMay 26, 2023