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Science News for November 2, 2025


Cooling paint harvests water from thin air

Researchers developed a nanoengineered polymer coating that reflects sunlight and radiates heat, capturing atmospheric water vapour to create a sustainable source of fresh water. The technology can be integrated into paint-like materials for large-scale use, complementing existing systems and addressing global challenges.

SourceUniversity of Sydney·JournalAdvanced Functional Materials·TypeExperimental study·DateNov 2, 2025

Social interactions help to form lasting memories, NUS Medicine study finds

Researchers at NUS Medicine found that social interactions trigger memory-enhancing signals to the CA1 region of the hippocampus through metaplasticity, strengthening 'memory proteins'. Regular social interactions are crucial for this process, as time-limited effects suggest.

SourceNational University of Singapore, Yong Loo Lin School of Medicine·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateNov 2, 2025

Removal of hemicellulose from alkaline lignin improved electrochemical performance of hard carbon for sodium-ion battery application

Researchers developed an effective strategy to remove hemicellulose from crude alkaline lignin, resulting in hard carbon anodes with improved structural properties and enhanced sodium storage capabilities. The purified lignin-based hard carbon achieved high reversible capacity and initial Coulombic efficiency.

SourceSongshan Lake Materials Laboratory·JournalMaterials Futures·DateNov 2, 2025