Japan-India Rail & Mobility: Japan backs India’s 2027 push for commercial runs on priority sections of the Mumbai–Ahmedabad High Speed Rail, with leaders also signing a Next-Generation Mobility Partnership to blend Shinkansen know-how with India’s market and talent. India-Japan Economic Security & AI: The two countries unveiled a roadmap covering economic security, AI cooperation, and energy supply-chain steps, including plans to strengthen resilience in semiconductors, quantum, and advanced materials. Defense Tech Co-Development: India and Japan signed their first-ever defense co-development project under the UNICORN naval radio antenna effort, signaling deeper joint military technology manufacturing. Semiconductor Momentum: Kioxia began shipping next-gen memory samples from its northern Japan fab as AI demand reshapes the memory market; Infineon also opened a new Dresden power-chip plant to expand capacity. Research & Education: Kyoto University is set to become Japan’s third International University for Research Excellence, while Tokyo Kosen and Sakura Internet partner on cloud and AI education for engineers. Health & Brain Aging: A Japan-led study links lower vitamin C levels to reduced gray matter and weaker memory/attention network connectivity in older adults. Public Safety Tech: Japan saw a bear-spray mishap at a post office in Nagoya, hospitalizing five, as bear deterrent use rises. STEM Workforce Gap: A ministry survey finds about 25% of junior high “technology” teachers lack a regular license, with reforms aimed at fixing the shortfall by 2028.