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Science News for August 6, 2024


Work emails, calls on golf course worsen performance, study finds

Researchers from Stellenbosch University discovered that using work-related content during golf sessions reduces performance, whereas personal activities have little to no effect. The study suggests a clear distinction between leisure and professional use of smartphones in recreational settings.

SourceStellenbosch University·JournalInternational Journal of Performance Analysis in Sport·TypeData/statistical analysis·DateAug 6, 2024

Increased ventilation not effective in reducing influenza virus spread in play-based model, Emory study finds

A new study by Emory University researchers found that increased ventilation in childcare settings may not be effective in preventing flu virus spread. The team used a play-based model using ferrets to study the spread of flu viruses in a setting that closely mimics a childcare venue.

SourceEmory Health Sciences·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateAug 6, 2024

Youth mental health-related emergency room trips declined significantly after Illinois ended COVID-19 lockdown

In Illinois, youth emergency room visits for depression and anxiety decreased significantly after the COVID-19 shutdown and plateaued at lower rates. Social media use is believed to be a contributing factor, with increased smartphone usage leading to reduced social interaction and sleep disturbances.

SourceNorthwestern University·JournalThe American Journal of Emergency Medicine·DateAug 6, 2024

Ketogenic Diet reduces friendly gut bacteria and raises cholesterol levels - University of Bath study

A new study published in Cell Reports Medicine found that a ketogenic diet can reduce beneficial gut bacteria and increase unfavorable fats in the blood. The diet, which is high in fat and low in carbohydrates, may have long-term health implications such as increased risk of heart disease and stroke.

SourceUniversity of Bath·JournalCell Reports Medicine·TypeRandomized controlled/clinical trial·DateAug 6, 2024

Competition over millions of years preserves genetic diversity

Researchers have found that the coevolution between water fleas and a parasitic bacterium has been ongoing for at least 15 million years, preserving genetic diversity. This process, known as balancing selection, ensures that multiple genetic variants for surface molecules are always preserved in the water flea without one ever prevailing.

SourceUniversity of Basel·JournalNature Communications·DateAug 6, 2024

ALS diagnosis and survival linked to metals in blood, urine

A University of Michigan-led study found that higher levels of metals in blood and urine are associated with a greater risk for ALS and shorter survival. Occupational exposure to metals was also linked to increased metal levels, emphasizing the need for accounting for environmental factors when evaluating overall exposure risk.

SourceMichigan Medicine - University of Michigan·JournalJournal of Neurology Neurosurgery & Psychiatry·TypeData/statistical analysis·DateAug 6, 2024

No room for nuance in polarized political climate: SFU study

A recent study from Simon Fraser University's Beedie School of Business found that people who express ambivalence about political topics are disliked by those who disagree and those who agree but feel their position isn't strong enough. The study exposes a mismatch between expectation and social reality, suggesting that nuanced positio...

SourceSimon Fraser University·JournalJournal of Experimental Social Psychology·DateAug 6, 2024

We can be heroes – Research reveals how ordinary people can become ‘situational heroes’

Research from the University of Birmingham found that British society has shifted towards 'situational heroism', where heroic actions and situational awareness are valued over traditional heroic figures. Ordinary people like Darryn Frost and Steve Gallant, who confronted a terrorist attacker, exemplify this new mode of heroism.

SourceUniversity of Birmingham·JournalCritical Studies on Security·DateAug 6, 2024

Study finds refined corn flour with added corn bran can lower cholesterol

A randomized crossover clinical trial reveals that swapping refined corn flour for a blend of refined corn flour and corn bran lowers LDL cholesterol concentrations by 5-13.3%. The study found significant reductions in LDL cholesterol among 70% of participants who consumed the blend, while whole-grain corn meal had no impact.

SourceWild Hive·JournalJournal of Nutrition·TypeRandomized controlled/clinical trial·DateAug 6, 2024

Eating more fruits & vegetables to reduce dietary acid lowers blood pressure and improves kidney and heart health in patients with hypertension

A five-year randomized control trial found that diets high in fruits and vegetables lower blood pressure, reduce cardiovascular risk, and improve kidney health. The study also suggests that incorporating fruits and vegetables into treatment plans can be more effective than traditional medication approaches.

SourceElsevier·JournalThe American Journal of Medicine·TypeExperimental study·DateAug 6, 2024

Live longer, die healthier

Researchers discovered a monthly treatment that extended the lives of mice by 9%, allowing them to live healthier for longer periods. The treated mice retained their physical function and overall frailty until the end of their lives, unlike controls, which showed significant declines in health.

SourceUniversity of Connecticut·JournalCell Metabolism·TypeExperimental study·DateAug 6, 2024

Future enterovirus outbreaks could be exacerbated by climate change

Researchers at Brown University found that temperature increases enterovirus transmission, with a similar effect seen in polio historically and more recent enteroviruses causing hand, foot and mouth disease. Climate change may lead to increased intensity of outbreaks, particularly in regions with larger seasonal temperature ranges.

SourceBrown University·JournalNature Communications·TypeComputational simulation/modeling·DateAug 6, 2024

Novel machine learning-based cluster analysis method that leverages target material property

Researchers developed a novel clustering technique that considers both basic characteristics and target material properties, enabling the categorization of over 1,000 oxides into material groups. This approach uses machine learning to predict target properties and incorporates basic feature information into the analysis.

SourceTokyo Institute of Technology·JournalAdvanced Intelligent Systems·TypeExperimental study·DateAug 6, 2024

Nudges fail to motivate vaccination

A recent study found that behavioral nudges in social media ads had limited ability to encourage COVID-19 vaccination across countries. Nudge ads with messages appealing to norms and family/ community protection performed better than placebo ads, but only in certain contexts.

SourcePNAS Nexus·JournalPNAS Nexus·DateAug 6, 2024

Social and structural factors are key drivers of disparities in obesity rates

Research reveals that social determinants such as access to healthy food, health insurance, and physical activity spaces are key drivers of obesity disparities. Successful interventions like community-based programs can reduce disparities, but more work is needed to expand these initiatives at local, state, and national levels.

SourceGeorge Mason University·JournalCurrent Obesity Reports·TypeLiterature review·DateAug 6, 2024

Vertically stacked skin-like active-matrix display with ultrahigh aperture ratio

Researchers develop a general strategy for fabricating vertically stacked skin-like active-matrix displays, eliminating obstacles in existing parallel structures. This approach enables the creation of high-quality AMOLEDs with ultrahigh aperture ratios and improved resolution.

Sport or snack? How our brain decides

Studies in mice reveal that orexin plays a key role in deciding between physical activity and consuming food, particularly when both options are available. By understanding this process, scientists aim to develop strategies to overcome exercise barriers and address the global obesity epidemic.

SourceETH Zurich·JournalNature Neuroscience·TypeExperimental study·DateAug 6, 2024

Study revisits Texas seismic activity occurring before 2017, confirming connection to wastewater injection

A new study by SMU seismologists confirms that earthquakes in the Permian Basin occurring before 2017 were causally linked to underground wastewater injection. The study uses advanced earthquake location methods to reveal a spatial and temporal correlation with shallow injection activities since 2009.

SourceSouthern Methodist University·JournalThe Seismic Record·TypeData/statistical analysis·DateAug 6, 2024

Machine learning and better radar solve the ‘cloud cover’ problem

A new approach incorporating machine learning and a novel radar technique has solved the 'cloud cover' problem in remote sensing, improving land surface temperature tracking accuracy. This is achieved by combining better elevation models with multiple radar echoes from SAR images to reconstruct optical data.

SourceJournal of Remote Sensing·JournalJournal of Remote Sensing·TypeComputational simulation/modeling·DateAug 6, 2024

Controlling lipid levels with less side effects possible with new drug

Scientists have developed a new compound, ZTA-261, which selectively binds to the thyroid hormone receptor beta (THRβ) to treat lipid disorders. Mice administered the drug showed decreased lipid levels in the liver and blood with fewer side effects compared to existing compounds.

SourceInstitute of Transformative Bio-Molecules (ITbM), Nagoya University·JournalCommunications Medicine·TypeExperimental study·DateAug 6, 2024

New open-source platform for high-resolution spatial transcriptomics

A new open-source platform, Nova-ST, is transforming gene expression profiling in tissue samples by offering affordable and high-resolution spatial analysis. This approach allows scientists to map gene expression across a tissue section with a spatial context, enabling the study of complex biological processes.

SourceVlaams Instituut voor Biotechnologie·JournalCell Reports Methods·TypeComputational simulation/modeling·DateAug 6, 2024

‘Baby talk:’ Decoding how children’s vocal and cognitive cues sway adults

Researchers found that adults prioritize cognitive cues over vocal signals when evaluating a child's intelligence or negative emotions, while vocal cues dominate for assessing happiness or helplessness. This study provides insights into the complex dynamics of caregiver-child interactions and their evolutionary roots.

SourceFlorida Atlantic University·JournalEvolution and Human Behavior·TypeObservational study·DateAug 6, 2024

How plants become bushy, or not

A new study from the University of California, Davis, reveals how plants break down the hormone strigolactone to become more bushy. The researchers found that enzymes called carboxylesterases play a crucial role in degrading strigolactone, and identified specific amino acids that allow these enzymes to bind to the hormone.

SourceUniversity of California - Davis·JournalNature Communications·TypeExperimental study·DateAug 6, 2024

The prescription for a healthier democracy

A Rutgers University study suggests that hospitals can play a crucial role in strengthening political inclusion by aiding patients in voter registration. The study found that voters contacted in healthcare settings tend to be more racially and ethnically diverse, and younger, than those reached through traditional registration efforts.

SourceRutgers University·JournalJAMA Health Forum·DateAug 6, 2024

New study helps global MNCs weigh the pros and cons of implementing blockchain technology

A new study by researchers from the University of Liverpool and Copenhagen Business School explores the trade-offs of blockchain technology for global multinational corporations. They found that cryptocurrencies offer lower transaction fees but carry a stigma, while smart contracts can streamline agreements but lack flexibility.

SourceStrategic Management Society·JournalGlobal Strategy Journal·TypeSystematic review·DateAug 6, 2024

Lehigh University researchers dig deeper into stability challenges of nuclear fusion—with mayonnaise

Researchers at Lehigh University use mayonnaise to simulate the phases of Rayleigh-Taylor instability in nuclear fusion, which could inform the design of future inertial confinement fusion processes. The team found that understanding the transition between elastic and stable plastic phases is critical for controlling the instability.

SourceLehigh University·JournalPhysical Review E·DateAug 6, 2024

Attitudes such as distrust of government can cause swine farmers to resist animal biosecurity: UVM study finds

A new University of Vermont study found that swine farmers' attitudes, particularly distrust of government, significantly impact their decision-making strategies regarding biosecurity. Farmers attending a single biosecurity education event improved farm biosecurity, even among those in the Biosecurity Skeptics group. The study also rev...

SourceUniversity of Vermont·JournalScientific Reports·TypeSurvey·DateAug 6, 2024

Preventing heat stroke in tennis: insights into the heat environments of tennis courts

Researchers investigated the thermal environments of various tennis court surfaces, revealing significant differences in wet-bulb globe temperature (WGBT) values. The study suggests that on-site WBGT measurements are crucial for effective heat management in sports, and organizers should consider reducing match frequency in hot conditions.

SourceDoshisha University·JournalScientific Reports·TypeObservational study·DateAug 6, 2024

People's moral values change with the seasons

A new UBC study reveals regular seasonal shifts in people's moral values, with stronger endorsement of group cohesion and conformity in spring and fall. This finding has potential implications for politics, law, and health, including the timing of elections and court cases, as well as public response to a health crisis.

SourceUniversity of British Columbia·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateAug 6, 2024

Domestication causes smaller brian size in dogs than in the wolf, but such an evolutionary change is not unusual in wild animals

A recent study challenges the notion that domestication is the primary driver of reduced brain size in domesticated animals. The study found that the reduction in relative brain size in domesticated dogs is not an evolutionary singularity among Canids, as other ecological and evolutionary pressures can also drive such changes.

SourceHun-Ren Ökológiai Kutatóközpont·JournalBiology Letters·TypeComputational simulation/modeling·DateAug 6, 2024

The race to discover biodiversity: 11 new marine species and a new platform for rapid species description

A new platform, Ocean Species Discoveries, facilitates rapid taxonomic description of marine invertebrate species, reducing decade-long delays. This initiative, coordinated by the Senckenberg Ocean Species Alliance, aims to discover, protect, and raise awareness of threatened marine species before they become extinct.

SourcePensoft Publishers·JournalBiodiversity Data Journal·DateAug 6, 2024

Genetic ‘episignatures’ guide researchers in identifying causes of unsolved epileptic neurological disorders

Researchers at St. Jude Children's Research Hospital have discovered DNA methylation patterns that help identify the root cause of developmental and epileptic encephalopathies, a condition affecting 1 in 590 children. The findings provide a new tool for diagnosing children with DEE and could lead to more effective treatments.

SourceSt. Jude Children's Research Hospital·JournalNature Communications·DateAug 6, 2024

Groundwater reserves in southwestern Europe more stable overall than previously thought

Research found that 68% of wells in southwestern Europe have stable groundwater levels, while 20% show rising levels and 12% decline. Effective management approaches in semi-arid regions led to recovery of groundwater levels in areas such as La Mancha Oriental in Spain.

SourceHelmholtz Centre for Environmental Research - UFZ·JournalCommunications Earth & Environment·TypeData/statistical analysis·DateAug 6, 2024

The variability of ocean weather

A recent study has found that tropical ocean waters exhibit significant variability in temperature over time and space, contradicting the long-held 'climate variability hypothesis'. This unexpected finding may help explain why some fish species can tolerate a wider range of temperatures than others.

SourcePNAS Nexus·JournalPNAS Nexus·DateAug 6, 2024

Reducing child poverty in England would significantly boost child health and narrow health inequalities

Reducing child poverty in England between now and 2033 would significantly boost child health, cut infant deaths, children in care, hospital admissions, and childhood nutritional anaemia. The most deprived regions, especially in the North East, stand to benefit the most.

SourceBMJ Group·JournalJournal of Epidemiology and Community Health·TypeComputational simulation/modeling·DateAug 6, 2024

Researchers urge united nations to reject growth-driven framework in favor of lower population and consumption

Demographic experts urge UN to reject current 'growth' paradigm and focus on contracting human impact to reverse ecological overshoot. The Journal of Population and Sustainability cites research linking population growth to climate breakdown, biodiversity loss, and social crises.

SourcePopulation Balance·JournalThe Journal of Population and Sustainability·TypeCommentary/editorial·DateAug 6, 2024

Thinking hard ‘hurts’

A recent study by Radboud University researchers found that thinking hard causes unpleasant feelings, affecting people from various professional groups. Despite the rewards associated with mental effort, such as higher grades, the burden remains a source of irritation and frustration.

SourceRadboud University Nijmegen·JournalPsychological Bulletin·DateAug 6, 2024

Study explores effects of racial discrimination on Black parents and children

A new study from the University of Illinois examines the interpersonal effects of racial discrimination on parents and their adolescent children, finding that interactive effects of exposure to discrimination lead to increased psychological distress and lower levels of family support. The researchers identify four clusters of responses...

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalCultural Diversity and Ethnic Minority Psychology·TypeData/statistical analysis·DateAug 6, 2024

Anxiety reframed can make business pitches more effective

A recent study by Washington State University found that entrepreneurs who connected their pitch anxiety to their passion for their venture performed better in funding pitches and were more likely to receive recommendations. This emotional reframing strategy was shown to be effective in leveraging anxiety as a positive energy source, r...

SourceWashington State University·JournalJournal of Business Venturing·DateAug 6, 2024

Elephants on the move: Mapping connections across African landscapes

A recent study maps landscape connections to optimize elephant movement corridors and reduce genetic isolation, addressing a major conservation priority in southern Africa. The research provides insights into how elephants navigate their vast home ranges and identifies key routes to maintain gene flow across protected areas.