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Science News for February 8, 2023


Is a Government program to tackle childhood obesity doing more harm than good?

A UK government program aimed at tackling childhood obesity may be having negative effects on children's mental health and relationships with food. The study found that some families expressed concerns about the potential for weight-related teasing and stigma, which can lead to poorer self-perceptions and unhealthy dieting behaviors.

SourceQueen Mary University of London·JournalCritical Public Health·DateFeb 8, 2023

Reducing pesticide pollution and the intensity of harvesting can increase crop yield and contribute to climate change mitigation

Researchers at the University of Turku found that reducing pesticide pollution and harvesting intensity can increase crop yields and contribute to climate change mitigation. By optimizing carbon sequestration and storage in soils, farmers can improve plant resilience and productivity, while minimizing environmental harm.

SourceUniversity of Turku·JournalJournal of Sustainable Agriculture and Environment·DateFeb 8, 2023

Killer whale mums pay high price for raising sons

A new study found that killer whale mothers pay a high price for raising their sons, with each living son cutting their annual breeding likelihood in half. This lifelong burden on mothers has significant implications for the future viability of the southern resident killer whale population, which is critically endangered.

SourceUniversity of Exeter·JournalCurrent Biology·TypeObservational study·DateFeb 8, 2023

Navigating complex biological systems with smart fibers

Researchers at Tohoku University developed flexible polymer-based actuatable fibers with integrated shape-memory alloy wires and biochemical sensing composite materials. The technology enables high-precision operations, closed-loop control, and diagnostic capabilities for soft robotic fields and minimally invasive surgical tools.

SourceTohoku University·JournalACS Applied Engineering Materials·DateFeb 8, 2023

Regenstrief-led study shows enhanced spiritual care improves well-being of ICU surrogate decision-makers

A Regenstrief-led study found that enhanced spiritual care for family members of ICU patients resulted in a clinically significant decline in anxiety and improved spiritual well-being. The study demonstrated the importance of chaplains to the long-term psychological health of surrogate decision-makers.

SourceRegenstrief Institute·JournalJournal of Pain and Symptom Management·DateFeb 8, 2023

Mandrills teach their daughters good hygiene practices

In a study published in the Proceedings of the Royal Society of London B, researchers found that mandrill females pass on hygienic practices to their daughters, reducing parasite infection. This social transmission of hygiene has potential consequences for infectious disease dynamics in primate groups.

SourceCNRS·JournalProceedings of the Royal Society of London·DateFeb 8, 2023

A culturally adapted online experience improves type 2 diabetes nutrition education for American Indians and Alaska Natives

A culturally adapted online experience improved type 2 diabetes nutrition education for American Indians and Alaska Natives. The program prioritized traditional food practices and mindful eating activities, leading to increased engagement and positive experiences among participants.

SourceElsevier·JournalJournal of Nutrition Education and Behavior·TypeSurvey·DateFeb 8, 2023

Controllable ‘defects’ improve performance of lithium-ion batteries

Researchers at North Carolina State University used a new laser technique to improve the performance of lithium-ion batteries. The technique creates tiny defects in graphite material, which can enhance battery performance, increase current capacity by up to 20%, and reduce the risk of fires. However, excessive defects can lead to probl...

SourceNorth Carolina State University·JournalCarbon·TypeExperimental study·DateFeb 8, 2023

Investigation of NiFe based catalysts for water oxidation in different pH electrolytes

Researchers investigated NiFe-based catalysts for water oxidation in different pH electrolytes, revealing a clear pH-dependent OER activity. The study found that forming high-valent Ni3+ and Fe4+ species requires higher potential in neutral and near-neutral conditions compared to alkaline conditions.

SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalChinese Journal of Catalysis·DateFeb 8, 2023

Worldwide prevalence rates and trends of eczema in youth

Eczema affects approximately 6% of children and adolescents worldwide, with a median prevalence rate of 3.5%. Researchers analyzed data from 14 countries involving over 74,000 adolescents and found an average increase in eczema symptoms of 0.98% per decade among adolescents and 1.21% per decade among children.

SourceWiley·JournalClinical & Experimental Allergy·DateFeb 8, 2023

New strategy proposed for efficient degradation of antibiotics

Researchers developed a pre-assembly strategy to anchor single atoms on carbon nitride nanosheets, increasing catalytic activity by 1-2 orders of magnitude for tetracycline pollutant degradation. The study demonstrates versatility in Fenton-like catalysis and great ability to treat organic pollutants.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalSeparation and Purification Technology·DateFeb 8, 2023

Covid vaccination in pregnancy protects infants against infection and hospital admission

A recent study published by The BMJ found that COVID-19 vaccination during pregnancy may have benefits for both mother and baby. Two doses of mRNA Covid-19 vaccine were highly effective against delta infection, while two doses against omicron infection showed moderate effectiveness. A third dose during pregnancy also bolstered protecti...

SourceBMJ Group·JournalThe BMJ·TypeObservational study·DateFeb 8, 2023

Chung-Ang University researchers review deep learning-based methods to detect time series data anomaly

A group of researchers from Chung-Ang University have summarized the applications based on anomaly detection in multivariate time series. They evaluated the current state-of-the-art anomaly detection techniques and addressed the challenges associated with them, providing a thorough overview of the applications for anomaly detection in ...

SourceChung Ang University·JournalInformation Fusion·TypeComputational simulation/modeling·DateFeb 8, 2023

How does COVID-19 compare with bacterial and viral pneumonia for older patients in intensive care?

A recent study published in the Journal of the American Geriatrics Society found that COVID-19 is associated with higher mortality rates compared to bacterial and viral pneumonia among older patients in intensive care units. The study analyzed data from over 11,500 patients aged 70 years and older who were admitted to Dutch ICUs, revea...

SourceWiley·JournalJournal of the American Geriatrics Society·DateFeb 8, 2023

Phthalate exposure may increase diabetes risk in women

A new study published in the Journal of Clinical Endocrinology & Metabolism found that phthalate exposure may contribute to a higher incidence of diabetes in women. The research, which studied 1,308 women over six years, showed that White women exposed to high levels of certain phthalates had a 30-63% higher chance of developing diabetes.

SourceThe Endocrine Society·JournalThe Journal of Clinical Endocrinology & Metabolism·DateFeb 8, 2023

Understanding customer participation: the secret to seeking feedback for subscription boxes

A new study examines how customer participation in subscription box services translates into outcomes that benefit companies. The researchers found that customers who provided feedback before or after receiving their box were more likely to make future purchases, with a 14% increase in revenue for those who participated before and an 5...

SourceAmerican Marketing Association·JournalJournal of Marketing·DateFeb 8, 2023

Artificial sweetener as wastewater tracer

A new study by the University of Vienna shows that the persistence of acesulfame varies with temperature, making it an effective tracer for groundwater flows. The research team analyzed seasonal fluctuations in acesulfame concentrations to better understand subsurface processes and optimise waterworks operations.

SourceUniversity of Vienna·JournalWater Research·DateFeb 8, 2023

Algorithms for hiring: Bias in, bias out

Researchers tested three common techniques to make algorithms fairer and found that one approach didn't reduce social norm bias at all. They proposed a new technique: a formula to directly measure social norm bias in an algorithm so it can be corrected. This bias can persist even after overt discrimination is removed.

SourceUniversity of Texas at Austin·JournalData Mining and Knowledge Discovery·TypeData/statistical analysis·DateFeb 8, 2023

Scanning for the best results: pediatric trauma team helps reduce radiation exposure in children

A pediatric trauma team at Golisano Children's Hospital significantly reduced unnecessary CT scans, minimizing radiation exposure and healthcare costs. The team's efforts, which included adapting existing guidelines and developing new ones, resulted in a 45% reduction in non-indicated scans.

SourceUniversity of Rochester Medical Center·JournalJournal of Pediatric Surgery·TypeSystematic review·DateFeb 8, 2023

Donor hearts can be reprogrammed with medication for longer storage, improved transplant outcomes

A new study found that a medication previously used to treat seizures can reprogram donor hearts to boost the production of beneficial enzymes, increasing storage time and improving post-transplant function. This technology could lead to a paradigm shift in extending heart storage and reducing primary graft dysfunction.

SourceMichigan Medicine - University of Michigan·JournalScience Translational Medicine·TypeExperimental study·DateFeb 8, 2023

Marine reserves unlikely to restore marine ecosystems

A study led by researchers from the University of Barcelona found that marine reserves are unlikely to restore food webs in marine ecosystems. The protection of fishing did not cause significant changes in trophic structure, but it favored the recovery of some species like the dusky grouper.

SourceUniversity of Barcelona·JournalICES Journal of Marine Science·TypeData/statistical analysis·DateFeb 8, 2023

Scientists propose a novel NO2 sensor based on static magnetic field faraday rotation spectroscopy

A new NO2 sensor has been proposed using static magnetic field faraday rotation spectroscopy, featuring high species specificity and detection sensitivity. The sensor detects paramagnetic molecules by analyzing changes in light polarization caused by a gaseous medium immersed in an external magnetic field.

Encouraging physical activity to upgrade quality of life

A Texas A&M University study found that an intervention program increased physical activity in older rural women, leading to improved quality of life and reduced health risks. The Strong Hearts, Healthy Communities 2.0 program was successful in increasing exercise levels at both 12 and 24 weeks.

SourceTexas A&M University·JournalInternational Journal of Behavioral Nutrition and Physical Activity·DateFeb 8, 2023

Discovery of T-cells that protect against deadly pneumococcal disease

A study by University of Liverpool researchers reveals how a unique subset of lung T regulatory cells provide resistance to bacteraemic pneumonia. These cells, known as TNFR2 expressing Tregs, play a critical role in maintaining and controlling frontline host immune responses when pneumococci infect the lungs. The findings have signifi...

SourceUniversity of Liverpool·JournalCell Reports·TypeExperimental study·DateFeb 8, 2023

Air pollution linked with blood pressure in London teens

A study of 3,284 London adolescents found associations between air pollutants and blood pressure. Higher nitrogen dioxide exposure was linked to lower systolic blood pressure in girls, while higher particulate matter 2.5 exposure was linked to higher systolic blood pressure in boys.

SourcePLOS·JournalPLOS ONE·TypeObservational study·DateFeb 8, 2023

Space dust as Earth’s sun shield

A University of Utah-led study explores using space dust as a shield to reduce solar radiation and slow global warming. Launching lunar dust from the moon instead of Earth's way station at L1 could be an effective and cheap solution.

SourceUniversity of Utah·JournalPLOS Climate·TypeComputational simulation/modeling·DateFeb 8, 2023

A severe begomovirus-satellite DNA disease complex in Texas lower Rio Grande valley okra fields and its potential threat to cotton production: New “focus on cotton” webcast

A severe begomovirus-satellite DNA disease complex has been detected in okra fields in the lower Rio Grande Valley area of Texas, posing a significant threat to cotton production. The complex involves the exotic cotton leaf curl Gezira virus and its associated satellite DNA molecules.

Breakthrough technology transforms waste plastic bottles into polymers for lithium-ion batteries

A team of A*STAR scientists has successfully upcycled waste polyethylene terephthalate (PET) plastic into polymer electrolytes, key components for safer lithium-ion batteries. The study achieved room temperature conductivity comparable to existing commercial systems and showed promising performance in repeatedly charged and discharged ...

SourceAgency for Science, Technology and Research (A*STAR), Singapore·JournalJournal of Materials Chemistry A·TypeExperimental study·DateFeb 8, 2023

Endangered Bahamas bird may be lost from island following hurricane

Researchers at the University of East Anglia found that the Bahama Warbler may only survive on Abaco island after Hurricane Dorian devastated its forest habitat on Grand Bahama. The study, published in Bird Conservation International, reveals that the bird prefers areas with taller, more mature trees and can adapt to burnt vegetation.

SourceUniversity of East Anglia·JournalBird Conservation International·TypeObservational study·DateFeb 8, 2023

New economic model finds Fracture Liaison Services are highly effective

A new economic model estimates the health benefits and budget impact of Fracture Liaison Services, showing significant reductions in fragility fractures, hospital bed days, and social care costs. The model suggests that FLS implementation would lead to improved patient outcomes and cost-effectiveness.

SourceInternational Osteoporosis Foundation·JournalJournal of Bone and Mineral Research·TypeData/statistical analysis·DateFeb 8, 2023

New formulation of FDA-approved drug shows encouraging results for treating a common itch condition

A Phase 2 clinical trial found that patients with notalgia paresthetica experienced a significant reduction in itch intensity after taking oral difelikefalin. The medication, currently approved for chronic kidney disease, has the potential to become the first FDA-approved treatment specifically for this condition.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalNew England Journal of Medicine·TypeRandomized controlled/clinical trial·DateFeb 8, 2023

The ants go marching … methodically

Researchers at the University of Arizona found that rock ants follow a methodical search strategy, combining systematized meandering with random movement to efficiently explore new areas. This unique behavior may provide insights into the evolution of exploration strategies in other species.

SourceUniversity of Arizona·JournaliScience·TypeObservational study·DateFeb 8, 2023

Free speech vs. harmful misinformation: How people resolve dilemmas in online content moderation

A study of over 2,500 U.S. respondents found that most would remove posts spreading misinformation about democratic elections, vaccinations, the Holocaust, and climate change. Characteristics like topic, severity, and repetition had a stronger impact on decisions than account characteristics.

SourceMax Planck Institute for Human Development·JournalProceedings of the National Academy of Sciences·TypeSurvey·DateFeb 8, 2023

Study finds support for second look sentencing

A new study found widespread support for second look sentencing, with respondents backing the approach regardless of age. Factors such as petitioners' intent to reform and victim support increased support for release. The study suggests that releasing reformed individuals can reduce costs and enhance public safety.

SourceAmerican Society of Criminology·JournalCriminology & Public Policy·DateFeb 8, 2023

Extreme earners are not extremely smart

A new study from Linköping University found that cognitive ability levels do not differentiate wages among top earners, contrary to common defenses of their extraordinary earnings. Average ability plates at a modest level of +1 standard deviation above average cognitive ability for those earning above €60,000 annual wage.

SourceLinköping University·JournalEuropean Sociological Review·TypeData/statistical analysis·DateFeb 8, 2023

The geometry of conflict

Conflicts between divergent goals can continue indefinitely through evolutionary time, causing devastating damage to complex organisms and social structures. Modular design is a crucial enabler of complex adaptation and transformative changes in social organisation.

SourceUniversity of St. Andrews·JournalProceedings of the Royal Society B Biological Sciences·TypeData/statistical analysis·DateFeb 8, 2023

Breastfeeding may reduce arsenic exposure in infants in arsenic-contaminated areas

A study published in International Journal of Environmental Research and Public Health found that breastfeeding can reduce arsenic exposure in infants compared to formula feeding. Researchers measured arsenic levels in mothers, babies, and breast milk, revealing a clear association between maternal and neonatal arsenic exposure.

SourceTexas A&M University·JournalInternational Journal of Environmental Research and Public Health·DateFeb 8, 2023

Severe weather straining electrical grids: new research mitigates demand surges, increasing grid reliability and reducing costs

A new study in Management Science finds that direct load control contracts can reduce peak-demand energy costs by about 5% and summer peak demand by 4,000 megawatt hours. By controlling air conditioners and other devices in residential and commercial units, utilities can increase grid reliability and reduce electricity costs.

SourceInstitute for Operations Research and the Management Sciences·JournalManagement Science·TypeCase study·DateFeb 8, 2023

'We're not all that different': Study IDs bacterial weapons that could be harnessed to treat human disease

Researchers discovered a cluster of enzymes in bacteria that can be reprogrammed to edit proteins and potentially treat human diseases such as Parkinson's and Crohn's. The study also identified key components of the bacterial immune system, including two on-off switches, that could be targeted therapeutically.

SourceUniversity of Colorado at Boulder·JournalNature·TypeExperimental study·DateFeb 8, 2023

Microbiome disturbances reported as signature of chronic fatigue syndrome/myalgic encephalomyelitis

Researchers at Columbia University's Mailman School of Public Health have identified differences in gut microbiomes between people with ME/CFS and healthy controls. Gut bacteria Faecalibacterium prausnitzii and Eubacterium rectale, which are normally health-promoting, were reduced in ME/CFS participants. The study found a deficient mic...

SourceColumbia University's Mailman School of Public Health·JournalCell Host & Microbe·TypeExperimental study·DateFeb 8, 2023

Endothelial exploration

Researchers have identified a new protein in the cerebrospinal fluid that can reliably detect endothelial injury, a key contributor to cognitive impairment in pre-symptomatic stages of Alzheimer's. The discovery offers hope for improving diagnostic tests and potentially preventing damage to the brain endothelium.

SourceUniversity of New Mexico Health Sciences Center·JournalAnnals of Clinical and Translational Neurology·TypeRandomized controlled/clinical trial·DateFeb 8, 2023

Goethe University study: Investors also suffer in unregulated competitions for freely available resources

A new game theory study by Professor Claudius Gros finds that unregulated competition can lead to catastrophic poverty for investors, with profits scaling as 1/N². Cooperation among investors can avoid this damage, resulting in a net profit corresponding to the number of investors.

SourceGoethe University Frankfurt·JournalRoyal Society Open Science·TypeComputational simulation/modeling·DateFeb 8, 2023

THE LANCET: No new COVID-19 variants have emerged during China's recent outbreak, analysis of cases in Beijing suggests

An analysis of cases in Beijing found that two existing Omicron sub-variants, BA.5.2 and BF.7, accounted for more than 90% of local infections between November 14 and December 20, 2022. The study suggests these variants are chiefly responsible for the current surge in Beijing, likely China as a whole.

SourceThe Lancet·JournalThe Lancet·TypeObservational study·DateFeb 8, 2023

Single-dose treatment reduces risk of COVID-19 hospitalization by half for high-risk patients in a largely vaccinated population

A single-dose of the antiviral drug peginterferon lambda reduced the risk of hospitalization or Emergency Department visit due to COVID-19 by half in high-risk patients. The treatment was effective across different variants of concern, including Omicron, and showed minimal side effects.

SourceUniversity Health Network·JournalNew England Journal of Medicine·TypeRandomized controlled/clinical trial·DateFeb 8, 2023

UK Scientists make major breakthrough in developing practical quantum computers that can solve big challenges of our time

Researchers from the University of Sussex and Universal Quantum have successfully connected quantum microchips, enabling powerful quantum computers. The breakthrough demonstrates a modular approach to scaling up quantum computing and unlocking its applications in industries such as medicine, materials science, and climate crisis solution.

SourceUniversity of Sussex·JournalNature Communications·TypeExperimental study·DateFeb 8, 2023

Footprints of galactic immigration uncovered in Andromeda galaxy

Researchers used the Dark Energy Spectroscopic Instrument to study the motions of nearly 7500 stars in the inner halo of the Andromeda Galaxy. They found telltale patterns that revealed how these stars began their lives as part of another galaxy, shedding light on galactic immigration events.

SourceAssociation of Universities for Research in Astronomy (AURA)·JournalThe Astrophysical Journal·TypeData/statistical analysis·DateFeb 8, 2023

Aston University researchers discover more accurate way of checking blood flow in type 2 diabetes patients

Researchers at Aston University have discovered a new approach to process LDF light signals, allowing for more precise measurement of blood flow in specific areas of the vascular bed. This innovation has shown significant improvement in diagnostic accuracy for detecting microvascular changes in patients with type 2 diabetes and age-spe...

SourceAston University·JournalIEEE Transactions on Biomedical Engineering·TypeRandomized controlled/clinical trial·DateFeb 8, 2023

Red at first sight but these mites are alright

A study by researchers from Hosei University and Kyoto University found that the red velvet mite's bright red pigment is primarily composed of astaxanthin, a powerful antioxidant. This high concentration of antioxidants helps protect the mites from harsh environments caused by UV radiation and heat.

SourceHosei University·JournalExperimental and Applied Acarology·TypeObservational study·DateFeb 8, 2023

Scientists find unlikely pairs of DNA elements and regulator proteins make small plant stem cells destined to become tiny mouths

Researchers have elucidated a mechanism that makes tiny plant stem cells destined to give rise to stomata, cellular valves of plants. The discovery reveals two DNA codes and regulator proteins working together to lock in the fate of a plant cell.

SourceInstitute of Transformative Bio-Molecules (ITbM), Nagoya University·JournalNature Plants·TypeExperimental study·DateFeb 8, 2023

Harnessing good fats to relieve MS symptoms

A study published in the Journal of Biological Chemistry found that a fish oil derivative called DHEA can reduce inflammation and disease severity in mice with multiple sclerosis. By supplementing the diet of mice with DHEA, researchers noticed a decrease in MS-like disease symptoms and an improvement in the immune system's response.

SourceAmerican Society for Biochemistry and Molecular Biology·JournalJournal of Biological Chemistry·TypeExperimental study·DateFeb 8, 2023

Uncovering bacteria survival strategies

Bacteria can survive antibiotics without acquiring new genes or mutating existing ones by maintaining high electrochemical energies. These high-energy cells exhibit a wide range of energy levels despite being in a state of arrested growth, enabling them to adapt and spread rapidly.

SourceTexas A&M University·JournalmBio·DateFeb 8, 2023

Researchers developed an app that will train post-stroke care

Researchers developed an interactive training app called 'iTrain' to teach caregivers how to provide post-stroke care. The app uses real-life data and simulations to assess the user's knowledge and improve their skills in providing optimal care, leading to a significant positive effect on anxiety among carers and stroke victims.

SourceKaunas University of Technology·JournalInformation·TypeComputational simulation/modeling·DateFeb 8, 2023

Study finds underperforming organ procurement organizations contribute to nationwide shortage

A recent study published in JAMA Surgery found that underperforming organ procurement organizations significantly impact the nation's organ supply. The research analyzed data from 13 hospitals and identified large gaps between potential and actual donors, highlighting the need for improved oversight and performance standards.

SourceVanderbilt University Medical Center·JournalJAMA Surgery·DateFeb 8, 2023

New dual-phase imaging protocol reduces costs and radiation exposure for cognitively impaired patients

A novel nuclear medicine imaging protocol, dual-phase amyloid PET, can assess both amyloid deposition and neurodegeneration with a single tracer injection, cutting costs and radiation exposure. The protocol was shown to be comparable in distinguishing patients with neurodegenerative diseases from controls.

SourceSociety of Nuclear Medicine and Molecular Imaging·JournalJournal of Nuclear Medicine·DateFeb 8, 2023

U of I online social work degree programs address diversity needs

The University of Illinois' online social work degree programs aim to increase diversity and accessibility by catering to non-traditional students with family and work obligations. The iBSW program enables students to complete a BSW degree solely through online classes, increasing the possibility of earning a baccalaureate degree.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalJournal of Social Work Education·TypeCase study·DateFeb 8, 2023

Breathing muscles remain stronger even after weeks of no training: preserved health gains could improve physical endurance and quality of life for people with chronic lung conditions

Researchers found that breathing muscle strength persisted for five weeks after training stopped, suggesting potential benefits for physical endurance and quality of life in individuals with chronic lung conditions. Inspiratory muscle training also reduced the metaboreflex, allowing for improved exercise endurance.

SourceThe Physiological Society·JournalExperimental Physiology·TypeExperimental study·DateFeb 8, 2023

Childhood mental health problems resulting from early-life adversity drive poorer cognitive performance in adolescence, study suggests

A new study suggests that childhood mental health problems resulting from early-life adversity drive poorer cognitive performance in adolescence. Researchers found that addressing mental health difficulties when children are young can alleviate the effects of early-life adversity on later cognition.

SourceUniversity of Cambridge·JournalJournal of Child Psychology and Psychiatry·TypeData/statistical analysis·DateFeb 8, 2023

Myalgic encephalomyelitis/chronic fatigue syndrome is associated with distinct changes in the microbiome and gut metabolites

Two studies reveal that ME/CFS is associated with reduced levels of butyrate-producing microbes and differences in gut metabolites. Researchers found distinct changes in the microbiome of patients with short-term and long-term ME/CFS, suggesting a potential link between gut dysbiosis and the disease's severity.

SourceCell Press·JournalCell Host & Microbe·TypeExperimental study·DateFeb 8, 2023