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Science News Archive 2025 - Page 177


Page 177 of 574

Cornell Prof. Bruce Lewenstein wins inaugural PCST award for the advancement of science communication as a professional field

Professor Bruce Lewenstein won the inaugural PCST Award for his decades-long impact on science communication research, education, and infrastructure worldwide. Susana Herrera-Lima and Toss Gascoigne were named runners-up for their transformative work in building science communication capacity globally.

Liver organoid breakthrough: Generating organ-specific blood vessels

Researchers at Cincinnati Children's Hospital Medical Center have successfully grown liver tissue that can produce its own internal blood vessels. This breakthrough could lead to new treatments for people living with hemophilia and those experiencing acute or chronic liver failure, as the liver organoids can secrete coagulation factors.

SourceCincinnati Children's Hospital Medical Center·JournalNature Biomedical Engineering·TypeExperimental study·DateJun 25, 2025

Surgery plus speech therapy linked to improved language after stroke

Combining neck surgery with intensive speech therapy has been shown to improve communication skills and quality of life in patients with chronic post-stroke aphasia. The study found significant improvements in language function and reduced symptoms of depression, with no severe adverse events reported.

SourceBMJ Group·JournalBMJ·TypeRandomized controlled/clinical trial·DateJun 25, 2025

What animal bones reveal about life on the medieval Liao frontier

The discovery of thousands of animal bones at a remote garrison site in northeastern Mongolia sheds new light on the lives of soldiers and civilians who lived along the medieval Liao Empire's long wall. The analysis suggests a largely self-sufficient pastoral economy, with evidence of herding, hunting, fishing, and seasonal climate var...

SourceThe Hebrew University of Jerusalem·JournalArchaeological Research in Asia·TypeObservational study·DateJun 25, 2025

Creation of new molecule could help develop stamp-sized hard drives capable of storing 100 times more data than current tech

Researchers have engineered a new type of molecule that can store information at extremely low temperatures, potentially leading to ultra-high data densities and smaller storage devices. The discovery could enable the development of stamp-sized hard drives capable of storing 100 times more data than current technologies.

Spotting bad batteries before they malfunction

Researchers at Drexel University have developed a low-cost, accessible method to detect structural defects and damage in lithium-ion batteries using ultrasound technology. The technique can identify gas presence, material deficiencies, and other issues that may cause electrical shorts or performance hampers.

SourceDrexel University·JournalElectrochimica Acta·TypeExperimental study·DateJun 25, 2025

Still top cause of death, the types of heart disease people are dying from is changing

Research reveals significant drop in heart attack deaths, while increases observed in deaths from heart failure, arrhythmias, and hypertensive heart disease over the past 50 years. Studies suggest advancements in medical treatment, bystander CPR, and public health initiatives have contributed to these findings.

SourceAmerican Heart Association·JournalJournal of the American Heart Association·DateJun 25, 2025

Powering your phone with a laser

The University of Ottawa's SUNLAB has developed a simulation model for multi-junction photonic power converters, which enable the conversion of laser light into electrical power with higher efficiencies and voltages. This technology could lead to more reliable telecommunication networks, reduce costs by enhancing systems performance, a...

SourceUniversity of Ottawa·JournalCell Reports Physical Science·TypeMeta-analysis·DateJun 25, 2025

Multifunctional composite aerogel for multi-energy conversion and electromagnetic shielding

The researchers developed a multifunctional phase-change composite that integrates multiple energy conversion capabilities with superior EMI shielding. The novel composite combines solar-thermal, thermoelectric, electrothermal, and magnetothermal energy conversion with high EMI shielding effectiveness.

SourceShanghai Jiao Tong University Journal Center·JournalNano-Micro Letters·TypeExperimental study·DateJun 25, 2025

As fewer Americans die from heart attacks, more succumb to chronic heart disease

A decrease in acute myocardial infarction deaths has led to an increase in deaths from other types of chronic heart conditions. The researchers attribute this shift to improved management and prevention of heart attacks, resulting in more patients living beyond these events and developing other heart conditions.

SourceStanford Medicine·JournalJournal of the American Heart Association·TypeData/statistical analysis·DateJun 25, 2025

Depression + inflammation: A bad combo for lung cancer patients

Researchers found that lung cancer patients with both high levels of depression and inflammation at diagnosis had increasing depressive symptoms over the next eight months. These patients showed no changes in depression when only having high levels of depression or only high levels of inflammation, or neither. The study suggests an add...

SourceOhio State University·JournalBiopsychosocial Science and Medicine·TypeObservational study·DateJun 25, 2025

Following the tracks of an extremely adaptive bacterium

The study identified two new families of natural compounds, syrilipamides and secimides, produced by the bacterium. These molecules show remarkable toxicity against competing microorganisms, particularly fungi and amoebae. The discovery also highlights the importance of the SecA enzyme in expanding the chemical repertoire of Pseudomona...

How aortic valve stenosis develops

Researchers have identified the endothelial cells' critical role in aortic valve stenosis, revealing that calcification is more pronounced on one side of three-leaflet valves. Genetic predispositions also play a significant role, with those having two-leaflet valves suffering from earlier onset and more widespread damage.

SourceRuhr-University Bochum·JournalJournal of the American Heart Association·TypeExperimental study·DateJun 25, 2025

Exposure to particulate matter during pregnancy is associated with an increased risk of childhood obesity

A large European meta-analysis has found that exposure to fine particulate matter (PM2.5) during pregnancy and childhood is associated with an increased risk of childhood overweight or obesity. Higher levels of PM2.5 during pregnancy were linked to a 23% increased risk of childhood obesity in children aged 9-12 years.

SourceBarcelona Institute for Global Health (ISGlobal)·JournalEnvironment International·TypeMeta-analysis·DateJun 25, 2025

One in five packaged foods and drinks sold in the United States contains synthetic dyes, study shows

A study published in the Journal of the Academy of Nutrition and Dietetics found that 19% of packaged foods and beverages sold in the US contain synthetic food dyes. Synthetic dyes are particularly prevalent in products marketed to children, with confectionery and sugar-sweetened beverages being the top categories.

SourceElsevier·JournalJournal of the Academy of Nutrition and Dietetics·TypeData/statistical analysis·DateJun 25, 2025

AI models identify personality traits from written texts

Researchers used BERT and RoBERTa AI models to detect personality traits from written texts, analyzing the influence of linguistic elements on predictions. The study highlights the limitations of the Myers-Briggs Type Indicator model and demonstrates the potential for more natural and less intrusive assessment methods.

SourceUniversity of Barcelona·JournalPLOS One·TypeComputational simulation/modeling·DateJun 25, 2025

KAIST's li-fi - achieves 100 times faster speed and enhanced security of wi-fi​

Researchers at KAIST have created a new Li-Fi platform that offers speeds up to 224 Gbps and enhances security through on-device encryption. The device uses eco-friendly quantum dots and demonstrates improved brightness and efficiency, opening up new possibilities for ultra-high-speed data communication.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalAdvanced Materials·TypeExperimental study·DateJun 25, 2025

Staying physically active may slow cognitive decline

A new study from the University of Georgia found that sustained physical activity can reduce the rate of cognitive decline for older adults. The research analyzed data from over 13,000 survey respondents and found a significant association between longer and more frequent engagement in physical activity and delayed cognitive decline.

SourceUniversity of Georgia·JournalThe Journal of Prevention of Alzheimer s Disease·DateJun 25, 2025

More staff addressing mental health in schools buffers toll of growing up in disadvantaged communities

A new study from Mass General Brigham found that greater access to mental health staff in schools can help lower risk of mental health conditions among students growing up in disadvantaged neighborhoods. Higher school mental health staffing ratios counteracted the effects of neighborhood deprivation on anxiety and depressive symptoms, ...

SourceMass General Brigham·JournalJournal of the American Academy of Child & Adolescent Psychiatry·DateJun 25, 2025

Machine learning methods are best suited to catch liars, according to new science of deception detection

Researchers have found that Convolutional Neural Networks (CNNs) excel in detecting lies and deception, surpassing conventional non-machine learning methods. The study analyzes a comprehensive literature review of deception detection techniques leveraging machine learning, highlighting its potential to provide accurate predictions desp...

SourceUniversity of Sharjah·JournalExpert Systems with Applications·TypeLiterature review·DateJun 25, 2025