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US Explores 'Pax Silica' Strategy to Shift Global AI Chip Alliances Away from China

The United States is exploring a new geopolitical approach to semiconductor trade, dubbed 'Pax Silica,' which would offer friendly nations preferential access to advanced AI chips and manufacturing technology in exchange for limiting their partnerships with China in the AI sector. The strategy represents a significant escalation in

Growing Calls for Equitable Distribution of AI Wealth

The rapid ascent of artificial intelligence has generated enormous wealth for a relatively small number of technology companies, and that concentration of riches is drawing intensifying pressure from multiple directions. Policymakers are increasingly examining regulatory frameworks that would require AI firms to contribute more substantially to public coffers through taxation

The Rising Importance of AI Safety Testing in the Age of Advanced Models

As AI systems become increasingly capable and are deployed in higher-stakes environments, the field of AI safety testing is undergoing a significant transformation. Once considered a peripheral concern in the development process, systematic safety evaluation has moved to the forefront as developers and regulators grapple with ensuring these systems behave

Brain Location Matters: Scientists Reveal Why Opposite GIP Receptor Actions Both Trigger Weight Loss

A new study has uncovered why two seemingly opposite approaches to targeting the same brain receptor can both promote weight loss, potentially reshaping how we understand obesity treatments. The Dual-Action Discovery Scientists found that the glucose-dependent insulinotropic polypeptide (GIP) receptor operates differently depending on where it is located in the

NASA's COFFIES Project Harnesses AI to Forecast Solar Storm-Causing Regions

Predicting space weather is becoming increasingly critical as space agencies plan crewed missions to the Moon and beyond. NASA's COFFIES project—standing for Convection and Flows in the Interior and Exterior of the Sun—brings together astrophysicists and data scientists to tackle this challenge using artificial intelligence. The

Nvidia Expands AI Infrastructure Portfolio with Model Router Focus

Model routers are systems that automatically direct incoming AI requests to the optimal model—whether that's a large, powerful model for complex tasks or a smaller, more efficient one for simpler queries. This approach aims to balance performance with cost and latency considerations. Nvidia's entry into

The Limits of AI Engagement Metrics: What High Usage Numbers Don't Reveal

A new commentary in Communications of the ACM raises a critical point about how we measure AI success: high engagement numbers tell only part of the story. The piece argues that focusing on metrics like user adoption, time spent, or interaction frequency with AI systems obscures what these technologies actually