Core Points - The Shenzhou-20 crew, consisting of Chen Dong, Chen Zhongrui, and Wang Jie, has been actively conducting scientific experiments in space, with significant progress reported in various fields [1] Group 1: Material Science - The crew completed the entry of the material exposure experiment device and the recovery and storage of the third batch of experimental samples [2] - The material exposure experiment aims to reveal mechanisms of material structure damage, performance degradation, and functional failure in extreme space environments, promoting the application of advanced materials for flexible solar wings, space lubrication materials, lunar base construction materials, and neutron shielding materials for precision electronic devices [2] Group 2: Aerospace Medicine - In the field of aerospace medicine, the crew utilized a fine motion measurement device to conduct sliding tests, which will aid in studying the changes in fine motor control and adaptive learning mechanisms under microgravity conditions [7] - The crew performed cardiac and vascular ultrasound examinations and used a neuromuscular stimulator for muscle relaxation and atrophy protection to counteract the physiological effects of weightlessness [15] Group 3: Microgravity Physics - Experiments related to microgravity combustion science are being conducted in an enclosed combustion chamber, which supports combustion experiments with various fuels by changing internal experimental inserts [9] Group 4: Station Management - The crew completed microbial monitoring tasks by sampling different media such as gas, surfaces, and water systems to assess microbial species and growth conditions, providing a basis for microbial control within the station [11] - Station management tasks included organizing cargo transfers, inventory checks of medications, and material management [13]