Group 1 - The "2025 China Academy of Sciences Science Popularization Competition" concluded in Guangzhou, attracting 84 participants from 46 affiliated units of the Chinese Academy of Sciences [1] - The competition focused on cutting-edge technology topics, including flight lift generation, black soil protection, space unmanned driving, new models of marine farming, deep-sea "ice blood clot" targeting, and gene sequencing with precision medicine [1] - 30 contestants from 20 units advanced to the finals, evaluated by a panel of 7 experts based on content presentation, language expression, and overall image [1] Group 2 - The competition resulted in 10 first prizes awarded to participants from various research institutes, including Ma Xiaotian from the Institute of Mechanics, Ding Rao from the Shanghai Institute of Ceramics, and Li Xiyu from the Wuhan Botanical Garden [1] - The Chinese Academy of Sciences is committed to developing high-quality science popularization brands, such as "Science and China," "Public Science Day," "Science Festival," "Science Open Class," and "Genuine Discussion Forum," to promote the integration of high-end scientific resources with education and talent development [1]

Core Points - The 21st Public Science Day of the Chinese Academy of Sciences (CAS) was launched with the theme "Inspiring the Future with Scientific Questions," featuring nearly 400 science popularization activities across 135 affiliated units and involving over 6,000 researchers and volunteers [1][2]. Group 1: Physics Institute Activities - The Physics Institute's Public Science Day, themed "The Wonderful Adventure of the Physics Institute," opened its facilities in multiple locations, integrating scientific spirit into popular culture and creating a bridge between the public and cutting-edge research [2][4]. - Activities included a science show featuring a lecture by CAS academician Jin Kuijuan on the intersection of optics and artificial intelligence, as well as interactive experiments and exhibitions showcasing clean energy batteries and superconductivity [4][5]. Group 2: Computing Institute Activities - The Computing Institute's Public Science Day, themed "Science Fiction Ignites Scientific Dreams," aimed to cultivate scientific interest among the public and youth through engaging science fiction themes [5][6]. - The institute showcased advanced research achievements, including various innovative chip designs and interactive science games, aiming to inspire youth by blending scientific rigor with imaginative concepts [6]. Group 3: Chemical Physics Institute Activities - The Chemical Physics Institute's Public Science Day featured the theme "Meet Nezha, Explore Chemical Physics," offering immersive interactive experiments and showcasing cutting-edge technology [7][9]. - The event included a series of large-scale science experiments and interactive exhibits that highlighted the application of advanced research in everyday life [9][10]. Group 4: Mechanics Institute Activities - The Mechanics Institute's Public Science Day, themed "Everything Has Force," included diverse activities such as interactive experiences and science reports that aimed to engage the public with the principles of mechanics [10][11]. - The event featured discussions on the application of mechanics in various fields, including sports and daily life, and showcased intelligent robotic products [11][12]. Group 5: Process Engineering Institute Activities - The Process Engineering Institute's Public Science Day emphasized the theme "Processes Create Infinite Changes for the Future," showcasing award-winning achievements in lithium resource utilization and opening key laboratories to the public [12][14]. - The institute aimed to promote scientific understanding and innovation in the chemical industry through interactive exhibits and educational experiences [14][15]. Group 6: Modern Physics Institute Activities - The Modern Physics Institute hosted a "Nuclear Universe Science Carnival" with diverse activities including accelerator tours, science reports, and interactive games aimed at engaging youth and promoting scientific literacy [16]. - The event focused on making science accessible and inspiring young people to explore scientific applications and develop critical thinking skills [16].

Core Viewpoint - The 21st Public Science Day organized by the Chinese Academy of Sciences aims to engage the public with science through various activities, showcasing scientific achievements and inspiring interest in scientific careers. Group 1: Event Overview - The event features over 400 science popularization activities organized by more than 100 research institutes and three affiliated universities of the Chinese Academy of Sciences, with an expected attendance of nearly 500,000 visitors [10]. - This initiative has been held annually since 2005, taking place on a weekend in May [10]. Group 2: Interactive Experiences - The event includes interactive science experiences such as superconducting magnetic levitation experiments and chemical reaction shows, designed to present complex scientific principles in an accessible manner [7]. - Over 20 academicians from the Chinese Academy of Sciences are conducting popular science lectures, online Q&A sessions, and interactive discussions on trending scientific topics [5]. Group 3: AI and Biomedical Applications - This year's Public Science Day has introduced special activities focused on artificial intelligence, including a trial opening of the AI Biomedical Engineering Science Museum in Suzhou, where the public can experience AI applications in medical imaging, surgical planning, and non-invasive brain-machine interfaces [8]. Group 4: Historical Context - The "Mystery Explosion Hole" at the Institute of Mechanics allows visitors to explore historical experimental setups from the 1970s, highlighting the development of explosion mechanics in China and the dedication of earlier scientists [3].

Group 1 - The 21st Public Science Day organized by the Chinese Academy of Sciences (CAS) was launched on May 17, featuring nearly 400 science popularization activities aimed at engaging the public and showcasing scientific achievements [1][3] - The event includes open access to major scientific facilities such as the Lanzhou Heavy Ion Research Facility and the China Spallation Neutron Source, allowing the public to experience cutting-edge research [3][4] - Over 20 academicians from CAS will present lectures and engage in online Q&A sessions on popular scientific topics, encouraging youth to pursue careers in science [4][6] Group 2 - The theme of this year's Public Science Day is "Inquire with Science, Start a New Journey," emphasizing the importance of scientific inquiry for future development [6] - Interactive and experiential online science activities have been introduced to enhance public engagement, including demonstrations of artificial intelligence and robotics [4][6] - The event aims to break down barriers in AI knowledge and promote understanding of advanced technologies among the general public [4]