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Science News for November 3, 2026


The costs of sea level rise

A study estimates that sea level rise could lead to ecosystem service losses of $164.46 billion per year by 2100, with countries like China, Brazil, and Russia facing the highest absolute losses. However, relative losses are highest in low-lying coastal countries, with nations like the Netherlands, Egypt, and Iraq facing the greatest e...

SourcePNAS Nexus·JournalPNAS Nexus·DateNov 3, 2026

A biocomputer that runs on bacteria

A McGill-led research team developed a bacteria-based biocomputer that can solve large, complex problems using a small fraction of the memory and resources required by standard computers. The biocomputer exploits the exponential division of bacteria to explore many possible solutions simultaneously.

SourceMcGill University·JournalMicrosystems & Nanoengineering·TypeExperimental study·DateNov 3, 2026

New JACR study of Medicare “ExRad” quality measure data shows wide variations in CT scan radiation dose used nationwide

A new study found that nearly 30% of CT scans exceed the recommended radiation threshold, while facility scores ranged from less than 1% to over 90% out-of-range for using excessive dose. The study suggests that excellent performance is achievable with today's scanners, and that lower doses can be achieved with measurement and feedback...

SourceAmerican College of Radiology·JournalJournal of the American College of Radiology·DateNov 3, 2026

Seoul National University of Science and Technology researchers develop new AI-assisted pipeline to identify errors in construction design documents

A new AI-assisted pipeline detects human errors in structural design documents, improving reliability and consistency. The system extracts and standardizes structural information from calculation documents and drawings, identifying inconsistencies and reporting duplicate entries.

SourceSeoul National University of Science & Technology·JournalEngineering Applications of Artificial Intelligence·TypeCase study·DateNov 3, 2026

Dongguk University researchers develop new ultrathin battery platform with enhanced energy density

Researchers developed an anode-less thin film battery architecture using a Sn/C interlayer to guide Li deposition, promoting uniform plating and reducing Li loss. The resulting battery achieved a volumetric energy density of 235.13 Wh/L and an overall thickness of just 2.77 micrometers.

SourceDongguk University Evaluation and Audit Team·JournalAdvanced Energy Materials·TypeExperimental study·DateNov 3, 2026