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Science News Archive 2024 - Page 298


Page 298 of 484

Using wobbling stellar material, astronomers measure the spin of a supermassive black hole for the first time

Researchers at MIT have developed a new method to measure the spin of supermassive black holes by tracking the pattern of X-ray flashes produced during tidal disruption events. By analyzing the wobble of the accretion disk, they were able to determine that the nearby black hole was spinning at less than 25% the speed of light.

Autistic-led study reveals urgent priorities for supporting autistic girls and gender diverse youth

A new study reveals the challenges faced by autistic girls, women and gender diverse people in healthcare, education and society. Autistic young people express a pressing need for tailored support at school, better understanding of their experiences and strengths, and specialised mental health services.

SourceUniversity of Technology Sydney·JournalJournal of Autism and Developmental Disorders·TypeSurvey·DateMay 22, 2024

Subtle cognitive decline precedes end to driving for older adults

A new study found that subtle cognitive changes can foreshadow the decision for many seniors to stop driving. Routine cognitive testing may help older adults and their physicians make decisions about driving to maximize safety while preserving independence. Women are more likely to stop driving than men, according to the findings.

SourceWashU Medicine·JournalNeurology·TypeObservational study·DateMay 22, 2024

Wearable ultrasound patch enables continuous, non-invasive monitoring of cerebral blood flow

Researchers developed a wearable ultrasound patch that provides three-dimensional data on cerebral blood flow, addressing clinical standard limitations. The device offers hands-free, continuous monitoring and was tested on healthy volunteers with accurate results, paving the way for potential use in patients with neurological conditions.

How a multi-lens telescope enables daytime astronomy observations

Astronomers at Macquarie University have successfully tested a new technique for observing celestial objects during the day using the Huntsman Telescope. The array of camera lenses can accurately measure stars, satellites, and other targets even when the Sun is high overhead, allowing continual monitoring of bright stars like Betelgeuse.

SourceMacquarie University·JournalPublications of the Astronomical Society of Australia·TypeObservational study·DateMay 22, 2024

Signatures of heart attack

The study identified specific patterns in blood samples of patients who had different clinical outcomes after a heart attack. These patterns, known as 'immune signatures', are associated with either better or worse recovery of heart function. The findings could lead to the development of new diagnostics and treatments for heart failure.

SourceLudwig-Maximilians-Universität München·JournalNature Medicine·DateMay 22, 2024

Navigating the future of secure and efficient intelligent transportation systems using AI and blockchain

Researchers investigate traditional encryption limitations in practical communication scenarios, exploring the effectiveness of Deep Reinforcement Learning (DRL) and Blockchain technology in autonomous vehicles. DRL and Blockchain integration improves performance, lowers training costs, and creates secure, globally accessible transport...

SourceBentham Science Publishers·JournalThe Open Transportation Journal·DateMay 22, 2024

Novel high-performance and sustainable paper coating material created by KAIST-Yonsei University research team to reduce microplastic​ pollution​

The KAIST-Yonsei University research team has developed a novel, high-performance paper coating material made from biodegradable plastic that improves the sustainability of paper packaging. The coating material was tested for its biodegradability and found to achieve 59-82% biodegradation in marine environments.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalGreen Chemistry·TypeMeta-analysis·DateMay 22, 2024

Realizing high-efficiency thermoelectric module by suppressing donor-like effect and improving preferred orientation in n-type Bi2(Te, Se)3

By introducing extra Cu and employing a two-step hot deformation process, researchers improve the carrier mobility of n-type Bi2(Te,Se)3, leading to enhanced thermoelectric properties. This results in high-efficiency thermoelectric modules with superior cooling and generation capabilities.

SourceScience China Press·JournalScience Bulletin·DateMay 22, 2024

Strings that can vibrate forever (kind of)

Scientists from TU Delft and Brown University engineer string-like resonators capable of vibrating for extended periods at room temperature, enabling sensitive sensing applications. The innovation uses advanced nanotechnology techniques and machine learning algorithms to create ultra-long strings with minimal energy loss.

SourceDelft University of Technology·JournalNature Communications·TypeExperimental study·DateMay 22, 2024

How do migrants choose their destinations?

A new mathematical model developed by researchers at the Complexity Science Hub shows how diaspora size affects migration flows. The study reveals that people migrate to smaller destinations if their diaspora is present, highlighting the importance of social influence in shaping migration patterns.

SourceComplexity Science Hub·JournalPNAS Nexus·TypeComputational simulation/modeling·DateMay 22, 2024

Future climate impacts put whale diet at risk

A new study predicts that future climate change will disrupt humpback whales' krill-heavy diet, as their primary prey item Antarctic krill becomes less abundant. The research found that all tested whale populations relied on Antarctic krill, which is essential for their migratory lifestyle.

SourceGriffith University·JournalScience of The Total Environment·DateMay 22, 2024

University of Bath scientists develop new battery-free lactic acid sensor

The researchers created a chemosensor that detects lactic acid levels in saliva without the need for an electrical power source, opening up possibilities for easy use in remote locations. The sensor uses graphene foam technology to measure changes in quantum capacitance when lactate binds, allowing for lower-cost and more reliable trac...

SourceUniversity of Bath·JournalACS Sensors·TypeExperimental study·DateMay 22, 2024

San Francisco study explores the growing culture of fentanyl smoking

A new study explores the growing fentanyl smoking culture in San Francisco, highlighting individual experiences and local trends. Participants reported fear of overdose and challenges with injecting as motivations for switching to smoking, but some expressed concerns about hygiene and residue risks.

SourcePLOS·JournalPLOS ONE·TypeObservational study·DateMay 22, 2024

How a landscape intervention method can be used to address inequalities in electronic waste treatment process?

This study introduces a landscape intervention method to address unequal e-waste treatment, focusing on ecological restoration and local community benefits. The proposed approach combines five concepts: ecological restoration, flood management, stormwater purification, spatial programs, and livelihood income.

SourceHigher Education Press·JournalLandscape Architecture Frontiers·TypeExperimental study·DateMay 22, 2024

New insights into the degradation dynamics of organic material in the seafloor

Researchers found that microbial communities can stimulate decomposition of both fresh and old organic matter, with significant implications for the marine carbon cycle. The study suggests that increased input of fresh organic matter due to climate change could lead to a disproportionate effect on degradation of refractory organic matter.

Female judges tend to hand down harsher sentences in cases involving sex offences

A recent study by researchers at the Universitat Oberta de Catalunya (UOC) found that female judges tend to hand down longer sentences in cases involving sexual abuse and assault. The study analyzed over 2,200 cases and concluded that the sex of the presiding judge has a significant impact on sentence length.

SourceUniversitat Oberta de Catalunya (UOC)·JournalCriminology and Criminal Justice·TypeData/statistical analysis·DateMay 22, 2024

Unlocking the secrets of supercritical fluids

A team of international researchers has measured the molecular diffusion coefficient of a supercritical fluid, revealing a gradual transition from gas-like to liquid-like behavior across the Widom line. This study contributes to our understanding of supercritical fluid dynamics and holds implications for planetary science.

SourceInstitut Laue-Langevin·JournalNature Communications·TypeExperimental study·DateMay 22, 2024

Boys' depressive symptoms rise with pandemic; girls improved during initial school closures

A longitudinal study found that boys experienced a significant increase in depressive symptoms during the COVID-19 pandemic, emerging later in the first year and then early into the second year. In contrast, girls' symptoms decreased during the school-closure phase but returned to pre-pandemic levels after schools reopened.

SourceElsevier·JournalJournal of the American Academy of Child & Adolescent Psychiatry·DateMay 21, 2024

Drug-like inhibitor shows promise in preventing flu

Scientists at Scripps Research have developed a potential drug-like molecule that blocks the first stage of type A influenza infection. The inhibitors target hemagglutinin, a protein on the surface of type A influenza viruses, and have shown improved cellular antiviral potency compared to previous compounds.

SourceScripps Research Institute·JournalProceedings of the National Academy of Sciences·DateMay 21, 2024

Body lice may be bigger plague spreaders than previously thought

A recent laboratory study found that human body lice are more efficient at transmitting Yersinia pestis, the bacterium causing plague, than previously believed. The researchers discovered a new mechanism by which lice can spread the pathogen through bites, highlighting the potential role of body lice in past plague outbreaks.

SourcePLOS·JournalPLOS Biology·TypeObservational study·DateMay 21, 2024