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Science News Archive 2025 - Page 9


Page 9 of 574

Physicists uncork a message in a bottle from another star

Scientists from Auburn University have detected hydroxyl gas from interstellar comet 3I/ATLAS, providing insight into the evolution of comets and their chemical composition. The discovery suggests that water activity can occur at large distances from the Sun, challenging current understanding of planetary formation.

SourceAuburn University Department of Physics·JournalThe Astrophysical Journal Letters·TypeObservational study·DateOct 7, 2025

Drinking through the generations

A new study by Flinders University found that abstention from alcohol is on the rise, particularly among younger cohorts, with Generation Z nearly 20 times more likely to choose not to drink compared to Baby Boomers. The study suggests a clear generational shift, with declining weekly alcohol consumption and changing social norms drivi...

SourceFlinders University·JournalAddiction·TypeMeta-analysis·DateOct 7, 2025

Harvesting hydrogen from biomass for energy can provide substantial carbon emissions reduction

A new study by Yale University researchers found that harvesting hydrogen from biomass can provide substantial greenhouse gas mitigation, offering an alternative to fossil fuels. The study suggests that incorporating bio-hydrogen into the market could lead to 1.6-2 times greater emissions reduction compared to scenarios without its use.

SourceYale University·JournalProceedings of the National Academy of Sciences·DateOct 7, 2025

Overactive microRNAs block fat cell development in progeria

A new study found that miR-145-5p and miRNA-27b-3p interfere with fat cell formation in children with Hutchinson-Gilford progeria syndrome, a rare and fatal premature aging disorder. These microRNAs silence genes required for fat cell growth and function, suggesting they could be a promising therapeutic strategy to restore fat tissue.

SourceImpact Journals LLC·JournalAging-US·TypeNews article·DateOct 7, 2025

Metal, melted, mastered

Researchers at Virginia Tech have developed an AI-powered system to detect flaws in wire-arc additive manufacturing, a faster approach to producing complex components. The technology enables real-time defect detection and correction, reducing waste and improving quality.

SourceVirginia Tech·JournalMaterials & Design·DateOct 7, 2025

Don’t look away: Study shows teenage girls who avoid potentially negative feedback prone to higher anxiety

A study of 90 teenage girls found that those who avoided looking at potentially negative feedback during speeches reported the most anxiety three years later. The research challenges prevailing wisdom in the field and suggests that adolescent girls may be more sensitive to social feedback, contributing to the onset of anxiety disorders.

SourceUniversity of Kansas·JournalJournal of Anxiety Disorders·DateOct 7, 2025

The loser’s brain: how neuroscience controls social behavior

Researchers at OIST investigate the neural basis of social hierarchy in male mice, identifying brain cells involved in determining dominance. The study found that the 'loser effect' is attributed to activity of certain brain cells, called cholinergic interneurons, and has implications for understanding human social behaviors.

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournaliScience·TypeObservational study·DateOct 7, 2025

Crosswalk confusion: MA drivers flummoxed by pedestrian hybrid beacons, find UMass Amherst researchers

A study by UMass Amherst researchers found that nearly a quarter of MA drivers run through the red light at pedestrian hybrid beacons. Drivers also often stop too soon or fail to slow down during flashing yellow phases, causing confusion and potential safety issues.

SourceUniversity of Massachusetts Amherst·JournalTransportation Research Record Journal of the Transportation Research Board·TypeObservational study·DateOct 7, 2025

Researchers find key to stopping deadly infection

New research from Washington University School of Medicine identifies a key step in rotavirus infection and shows that disabling this process can prevent infection. The discovery opens up new avenues for therapeutic intervention, potentially treating not only rotavirus but also other pathogens with similar infection mechanisms.

SourceWashU Medicine·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateOct 7, 2025

The hidden highways of the sky mapped

A new study from Lund University maps the hidden highways of the sky, revealing how environmental factors and species interaction affect animal distribution in the aerial habitat. The research highlights the importance of understanding the air as a dynamic environment that requires adaptation to preserve flying animals.

SourceLund University·JournalTrends in Ecology & Evolution·DateOct 7, 2025

First 3D genetic mapping of the heart uncovers genes implicated in sudden death

A new study has uncovered 42 genetic locations associated with hypertrophy of the left ventricle, a major risk factor for sudden death. The research, conducted using three-dimensional MRI images and genome-wide analysis, could lead to earlier identification of individuals at greater risk.

SourceMedical Research Council (MRC) Laboratory of Medical Sciences·JournalCirculation Genomic and Precision Medicine·TypeComputational simulation/modeling·DateOct 7, 2025