Add BrightSurf on Google Email

Science News for October 25, 2022


New research shows e-cigarettes cause cardiac arrhythmias

A study by University of Louisville researchers found that exposure to e-cigarette aerosols can cause heart arrhythmias in animal models, promoting arrhythmias and cardiac electrical dysfunction. The study suggests that certain flavors or solvent vehicles in e-liquids may disrupt the heart's electrical conduction and provoke arrhythmias.

SourceUniversity of Louisville·JournalNature Communications·TypeExperimental study·DateOct 25, 2022

The next wonder semiconductor

Cubic boron arsenide's high thermal conductivity and surprising long-lasting 'hot' electrons make it a promising material for photovoltaic and light detection applications. Researchers visualize the charge movement in single crystals using scanning ultrafast electron microscopy, revealing new transport properties.

Functional carbon materials addressing dendrite problems in metal batteries: surface chemistry, multi-dimensional structure engineering, and defect

The review discusses how functional carbon materials (FCMs) tackle dendrite growth in metal batteries through surface chemistry, multi-dimensional carbon material engineering, and defects engineering. FCMs provide metal deposition sites, guide ion flux, and shield dendrites.

SourceScience China Press·JournalScience China Chemistry·DateOct 25, 2022

Head and neck cancer: Markers to facilitate better treatment in the future

A study published in European Journal of Nuclear Medicine and Molecular Imaging identified specific genetic markers associated with high risk of head and neck cancer. The research used DNA sequencing, artificial intelligence, and positron emission tomography to analyze cellular characteristics of tumors. These markers can facilitate mo...

SourceMedical University of Vienna·JournalEuropean Journal of Nuclear Medicine and Molecular Imaging·DateOct 25, 2022

Vitamin D deficiency linked to premature death

A new study from the University of South Australia found that severe vitamin D deficiency is associated with a higher risk of mortality. The research evaluated 307,601 records from the UK Biobank and found that individuals with low vitamin D levels had a significantly decreased risk of death over a 14-year follow-up period.

SourceUniversity of South Australia·TypeData/statistical analysis·DateOct 25, 2022

Results revealed from phase I clinical trial of the first drug to successfully inhibit the MYC gene, which drives many common cancers

Researchers have found a drug that targets the key, cancer-causing gene MYC has been able to inhibit its function safely and effectively. Eight out of 12 patients showed stabilisation of disease after treatment with OMO-103, with one patient experiencing a reduction in tumour-derived DNA circulating in the blood stream.

SourceEuropean Organisation for Research and Treatment of Cancer·TypeRandomized controlled/clinical trial·DateOct 25, 2022

Study estimates how much deforestation could increase if restrictions on mining in the Amazon are lifted

Researchers estimate that opening protected areas to mining would lead to the destruction of 183 km² of forest and further loss of 7,626 km² due to infrastructure construction. The study highlights the need for strategic planning and environmental impact assessments before making changes to conservation policies.

EU funding in the millions to study element formation in neutron star fusions — ERC Synergy Grant goes to international research team with GSI/FAIR participation

The European Union has awarded a €11.3 million grant to the HEAVYMETAL research project, which aims to investigate chemical element synthesis in neutron star mergers. The project brings together experts from different fields to explore kilonova explosions and decipher the details of observed spectra.

HSE University researchers caused people to behave less rationally by suppressing activity in specific parts of the brain

Researchers at HSE University used transcranial magnetic stimulation to suppress brain activity in the dorsolateral prefrontal cortex, leading to test subjects making less rational decisions. The study provides insight into the mechanisms behind gaming addiction and offers a potential new approach to understanding risky choice.

A new kind of wood-based plastic could enable circular home furnishings and building materials

Researchers at KTH Royal Institute of Technology have developed a new kind of wood-based degradable plastic with semi-structural strength, enabling the replacement of fossil-based materials in home construction and furnishing. The material can be broken down without harming the environment, allowing for recycling and reuse of fibers.

SourceKTH, Royal Institute of Technology·JournalNature Communications·TypeExperimental study·DateOct 25, 2022

Study sheds light on how songs, movies and memories shape how people enjoy lighthearted entertainment

A new study from the University of Kansas found that people tend to have more memories associated with older songs and movie clips, which are often happier and more positive. The researchers discovered that these nostalgic experiences can lead to appreciation for lighthearted entertainment, such as pop music or superhero movies.

SourceUniversity of Kansas·JournalJournal of Communication·TypeRandomized controlled/clinical trial·DateOct 25, 2022

First clinical guideline on Schaaf-Yang syndrome for professionals and families

The first clinical guideline on Schaaf-Yang syndrome provides comprehensive recommendations for healthcare professionals and families, outlining the effects of the truncated MAGEL2 protein on cell physiology. The guide aims to improve clinical care and empower families by offering evidence-based interventions and follow-up guidelines.

SourceUniversity of Barcelona·JournalJournal of Medical Genetics·TypeObservational study·DateOct 25, 2022

Metastasis-directed radiation therapy plus hormone therapy improves progression-free survival for men with advanced prostate cancer

The EXTEND trial found that combining metastasis-directed radiation therapy with intermittent hormone therapy improved progression-free survival in men with oligometastatic prostate cancer. The treatment also prolonged the time men could safely maintain normal testosterone levels, preserving their quality of life.

Activity 'snacks’ following meals may help maintain muscle mass: University of Toronto Study

Researchers found that short bursts of activity after meals can improve the body's ability to use amino acids from food to build muscle proteins. Breaking up prolonged sedentary periods with brief activity 'snacks' may help maintain muscle mass and quality, according to a University of Toronto study.

SourceUniversity of Toronto·JournalJournal of Applied Physiology·TypeRandomized controlled/clinical trial·DateOct 25, 2022

Largest study to date finds no link between prenatal exposure to anesthesia and impaired neurodevelopmental outcomes in children

A new study published in Anaesthesia has found no statistically significant differences in neurodevelopmental outcomes between children exposed to anaesthesia during pregnancy and those not exposed. The study, led by Professor Steffen Rex, comprehensively evaluated over 500 children aged 2-18 years using standardized tools.

SourceAAGBI·JournalAnaesthesia·DateOct 25, 2022

Establishment of induced pluripotent stem cells from endangered avian species; Okinawa rail, Japanese ptarmigan, Blakiston’s fish owl, and Japanese golden eagle

Researchers created iPSCs from Okinawa rail, Japanese ptarmigan, Blakiston's fish owl, and Japanese golden eagle for conservation. The cells can differentiate into various cell types, providing a valuable resource for evaluating disease risks and pollution.

SourceNational Institute for Environmental Studies·JournalCommunications Biology·TypeCommentary/editorial·DateOct 25, 2022

First observation of switchable chiral transport in a structurally achiral crystal

Researchers have reported the first observation of switchable chiral transport in a structurally achiral crystal, Kagome superconductor CsV3Sb5. The team proposes a model where electrons arrange themselves in patterns that violate mirror symmetry, even though atoms are arranged symmetrically.

SourceMax Planck Institute for the Structure and Dynamics of Matter·JournalNature·TypeExperimental study·DateOct 25, 2022

Vocal communication originated over 400 million years ago

A study published by the University of Zurich has found that vocal communication in vertebrates has a common and ancient evolutionary origin, dating back to around 407 million years ago. The research used vocal recordings and contextual behavioral information from 53 species across four major clades of land vertebrates.

SourceUniversity of Zurich·JournalNature Communications·TypeExperimental study·DateOct 25, 2022

We need to stop thinking of insects as ‘creepy crawlies’ and recognise their keystone role in ecosystems, say scientists

A new paper highlights the crucial role insects play in ecosystems, including pollination, food sources, and mental health benefits. The authors advocate for a shift in public perception of insects, citing government inaction on biodiversity policy, and outline strategic priorities to support insect conservation.

SourceLancaster University·JournalEcology and Evolution·TypeCommentary/editorial·DateOct 25, 2022

The creating process of the world's largest SiC aspherical mirror

Researchers have developed a method to manufacture large SiC mirrors with high accuracy, enabling the creation of the world's largest aspherical mirror. The team successfully polished a 4.03m diameter SiC mirror using a home-built MRF24 polishing machine and proposed a PVD cladding process to improve substrate surface quality.

3D flora and fauna at your fingertips

Researchers at Kyushu University developed a new method to create highly detailed 3D models of plants and animals. Over 1,400 models are now publicly available for use in education, research, and virtual exploration.

SourceKyushu University·JournalResearch Ideas and Outcomes·TypeComputational simulation/modeling·DateOct 25, 2022

New Journal of Pharmaceutical analysis articles highlight progress in the search for therapies to treat challenging diseases

Studies on 18beta-glycyrrhetinic acid, human islet amyloid polypeptide (hIAPP), and fluoroquinolone derivatives explore new approaches to treating challenging diseases. Researchers aim to develop better therapeutics for liver diseases, which cause almost 2 million deaths worldwide every year.

SourceCactus Communications·JournalJournal of Pharmaceutical Analysis·TypeExperimental study·DateOct 25, 2022

Study sheds light on life cycle of tree roots

Researchers at Nagoya University have developed a new method to study the life cycle of tree roots, shedding light on the decomposition process. They found that fine roots, which control nutrient uptake by trees, are discarded and decompose differently than leaf litter.

SourceNagoya University·JournalEcological Indicators·DateOct 25, 2022

Superaerophobic polyethyleneimine hydrogels for improving electrochemical hydrogen production by promoting bubble detachment

Researchers at UNIST developed superaerophobic polyethyleneimine hydrogels to improve electrochemical hydrogen production by promoting bubble detachment. These hydrogels can be easily coated on electrodes, allowing for controlled pore size and porosity, leading to enhanced performance.

SourceUlsan National Institute of Science and Technology(UNIST)·JournalAdvanced Energy Materials·DateOct 25, 2022

Newly achievements and expectations of layered double hydroxides toward efficient, stable, fast oxygen evolution reaction

Researchers focus on layered double hydroxides (LDHs) as catalysts for the oxygen evolution reaction (OER), a crucial step in electrochemical water splitting. By summarizing four common strategies to improve OER performance, they aim to design more efficient electrocatalysts.

SourceBeijing Institute of Technology Press Co., Ltd·JournalEnergy Material Advances·TypeExperimental study·DateOct 25, 2022

UCLA researchers identify model for studying treatments targeting MS progression

Researchers at UCLA have identified an animal model that shares similarities with progressive multiple sclerosis, enabling studies of disability-improving treatments. The model reveals neurodegeneration features and effects on various parts of the brain and spinal cord, holding promise for future treatment discovery.

SourceUniversity of California - Los Angeles Health Sciences·JournalFrontiers in Molecular Neuroscience·DateOct 25, 2022

New enzyme inhibitor shows promise for treating cancers, autoimmune diseases

Researchers at the University of Illinois Chicago have discovered a small molecule capable of manipulating an immune process that plays a crucial role in cancers and autoimmune diseases. The newly identified enzyme inhibitor could enhance immune responses against tumors, increasing their visibility to T-cells.

SourceUniversity of Illinois Chicago·JournalAngewandte Chemie International Edition·TypeExperimental study·DateOct 25, 2022

New study finds American dog tick populations expanding into Colorado, and identifies Rocky Mountain wood ticks in 5 more counties than documented by CDC

A new study finds American dog tick populations expanding into Colorado and identifies Rocky Mountain wood ticks in 5 more counties than previously documented by the CDC. The study leverages citizen science data, revealing a critical need for increased tick surveillance and preventative measures against ticks.

SourceBay Area Lyme Foundation·JournalTicks and Tick-borne Diseases·TypeData/statistical analysis·DateOct 25, 2022

HKUMed, University of Michigan and Johannes Kepler University Linz jointly discover the pan-coronavirus antiviral activity and mechanism of the molecularly engineered banana lectin H84T-BanLec

A new anti-virus has been discovered in a medical lecture. The lectin, known as H84T-BanLec, is highly effective against many different types of coronaviruses, including those causing COVID-19 and MERS-CoV. Its unique mechanism makes it difficult for viruses to develop resistance, making it a potential 'pan-coronavirus' antiviral drug ...

SourceThe University of Hong Kong·JournalCell Reports Medicine·TypeExperimental study·DateOct 25, 2022

Ancient bacteria might lurk beneath Mars’ surface

A new study suggests that ancient sleeping bacteria could be found beneath Mars' surface, complicating efforts to search for life. The research team found that certain strains of bacteria can survive in Martian conditions, potentially contaminating future missions and posing biodefense risks.

SourceNorthwestern University·JournalAstrobiology·TypeExperimental study·DateOct 25, 2022

Study reveals soil moisture plays the biggest role in underground spread of natural gas leaking from pipelines

A new study has found that soil moisture content is the main factor controlling how far and at what concentration natural gas spreads from a leaked pipeline underground. The research team looked at over 300 soil samples and found that methane gas leaking from a pipeline does not spread as far when the soil moisture content increases.

SourceSouthern Methodist University·JournalElementa Science of the Anthropocene·TypeObservational study·DateOct 25, 2022

Carbonized polymer dots enhanced stability and flexibility of quasi-2D perovskite photodetector

Scientists developed a method to introduce carbonized polymer dots into quasi-2D perovskite photodetectors, improving their flexible stability without losing photo-response. The devices showed lower dark current and detectable light intensity, paving the way for high-performance flexible optoelectronic devices.

Liquid biopsies can detect which cancer patients may be at higher risk of developing additional blood cancers

Researchers found that liquid biopsies can detect clonal haematopoiesis, a condition placing patients at higher risk of developing myelodysplastic syndrome or acute myeloid leukaemia. The study suggests that these patients should be referred for further evaluation to uncover actual risk and identify potential diagnostic pathways.

UCF researchers create lunar regolith bricks that could be used to construct Artemis base camp

Researchers at UCF's COSMOS Lab developed a method to create strong bricks from lunar regolith using 3D printing and binder jet technology. The bricks can withstand extreme space environments and are suitable for constructing off-world structures, paving the way for sustainable space construction.

SourceUniversity of Central Florida·JournalCeramics International·TypeExperimental study·DateOct 25, 2022

Telehealth follow-up associated with increased returns and hospitalizations after emergency department visit

Research from UCLA Health Sciences found that telehealth consultations following an emergency department visit were associated with 28 more repeat ED encounters and nearly 11 more return hospital admissions per 1000 patients. The findings highlight the need for careful consideration of when to use telemedicine for post-ED follow-ups.

SourceUniversity of California - Los Angeles Health Sciences·JournalJAMA Network Open·TypeData/statistical analysis·DateOct 25, 2022

New method to label proteins could help track disease

Scientists at the Francis Crick Institute developed a new method to study proteins released by cells, which could lead to tracking diseases like cancer. The Bio-Orthogonal Cell line-specific Tagging of Glycoproteins (BOCTAG) method identifies proteins uniquely made by diseased or cancerous cells, even in complex environments.

SourceThe Francis Crick Institute·JournalNature Communications·TypeExperimental study·DateOct 25, 2022

Climate change is closing daily temperature gap, clouds could be the cause

Researchers found that climate change is closing the daily temperature range, with increased cloud cover being a key factor. The study used high-resolution modeling to simulate clouds and their impact on diurnal temperature variation, shedding light on how this will affect society and the environment.

SourceUniversity of Texas at Austin·JournalGeophysical Research Letters·TypeComputational simulation/modeling·DateOct 25, 2022

Common, usually harmless group of bacteria associated with higher death rates in kidney patients

Researchers found a significant association between NTM infection and increased mortality in patients with end-stage renal disease. Early diagnosis and treatment may improve survival. NTM can cause nonspecific symptoms like fever and weight loss, and patients with compromised immune systems are at higher risk.

SourceMedical College of Georgia at Augusta University·JournalJournal of Investigative Medicine·DateOct 25, 2022

Predicting mortality risks using smartphones

Researchers used smartphone sensors to measure walking activity in 100,000 UK Biobank participants and developed predictive models of mortality risk. The study showed that just 6 minutes per day of steady walking measured by the sensor can accurately predict mortality risk, similar to physical measures.