Group 1 - The 21st Public Science Day of the Chinese Academy of Sciences was launched on May 17, 2023, celebrating the 70th anniversary of the Academy, with the theme "Inquire with Science, Ignite Future Journeys" [1] - A total of 135 affiliated units organized nearly 400 science popularization activities, opening around 400 research venues to the public [1] - Notable activities included reports by academicians on topics such as "Solar Storm Symphony" and "From Understanding the Brain to Brain-Machine Interfaces," focusing on science education and talent cultivation [1] Group 2 - The event featured a science carnival at the Institute of Physics, where engaging activities like "Meet Nezha, Explore Physics" attracted many young participants [2] - Large-scale science experiment shows were performed, including experiments that interpreted the "superpowers" of the Nezha myth, showcasing cutting-edge research in an entertaining manner [2] - Academician Jin Kui Juan delivered a popular science lecture on the interaction of light and artificial intelligence, highlighting applications of low-dimensional oxides in "light-controlled materials" and intelligent perception [2] Group 3 - Various exhibitions were held, including a science book fair, technology roadshow, and interactive science exhibits, allowing the public to experience scientific advancements firsthand [3] - The Institute of Mechanics organized a special session on aerospace science, featuring interactive experiences that demonstrated the importance of mechanics in daily life and technology development [3] - Activities included practical demonstrations of mechanics in sports and intelligent products like robotic fish and exoskeletons, engaging a wide audience [3] Group 4 - Major research facilities, including the Heavy Ion Research Facility and high-power laser physics experimental setups, were opened to the public, showcasing significant national scientific instruments [4] - Special sessions on artificial intelligence were added to the event, featuring demonstrations of intelligent robots and AI applications in medical data management and imaging [4] - The event was organized by the Academy's Division of Academic Affairs, with comprehensive support from the Computer Network Information Center [4]

Group 1 - The 2025 Public Science Day organized by the Chinese Academy of Sciences (CAS) officially launched on May 17, 2023, with the theme "Inspiring Future Journeys with Scientific Questions" [1][3] - This year's event features nearly 400 science popularization activities organized by 135 CAS units, with participation from over 6,000 researchers and volunteers [3][4] - The event includes high-interactivity online science activities and integrates various science education topics, inviting representatives from schools and scientists for roundtable discussions [3][4] Group 2 - Prominent CAS academicians participated in the event, conducting lectures and interactive sessions on various scientific topics to inspire young people to engage in scientific careers [3][4] - Several key research facilities and laboratories were opened to the public, showcasing significant scientific instruments and national key laboratories [4][5] - Special focus was placed on artificial intelligence (AI) with dedicated activities, including demonstrations of advanced AI applications in healthcare and robotics [5]