Medical Evidence: A long-term trial comparing arthroscopic knee surgery for degenerative cartilage tears with sham surgery found little/no benefit and instead links the procedure to faster osteoarthritis and more reoperations. AI Talent War: Google DeepMind has lost four senior researchers to Anthropic and OpenAI, underscoring intensifying competition for top AI scientists. Neuroscience & Memory: A new study reports tau protein helps healthy brains stabilize long-term memories, shifting the view of tau from only a damage marker to a memory enabler. Space & Life Search: Astronomers refine measurements of nearby super-Earth GJ 3378b, placing it in its star’s habitable zone and boosting it as a target for life-hunting. Climate Impacts on Wildlife: Research links the Bering Sea marine heatwave to the collapse of Yukon River king salmon runs. Energy Materials: Chinese researchers set a world record for perovskite-organic tandem solar cells at 28.04% certified efficiency. Policy & Research Funding: US universities and advocates urge Trump’s administration to withdraw a proposed federal grants rule they say would politicize peer review and weaken merit-based funding. Research Integrity in Work: A survey-based report warns of a growing “shadow workforce” where employers struggle to verify who is actually doing the job in remote settings. Science in Society: A new EU-backed project maps safeguarding gaps in university sport, finding fragmented systems and unclear reporting pathways.