Core Insights - The Shenzhou-20 mission, involving astronauts Chen Dong, Chen Zhongrui, and Wang Jie, is currently ongoing with various scientific and technical activities being conducted in space [1] Group 1: Space Mission Activities - The crew completed the unpacking, transfer, and performance checks of extravehicular spacesuits D and E delivered by the Tianzhou-9 cargo spacecraft [3] - The astronauts are conducting research on the effects of the space environment on the human blood-brain barrier and brain function using organ-on-a-chip technology, which aims to provide health risk predictions and interventions for long-term space missions [6] - In the field of aerospace medicine, the crew has completed multiple studies related to bone metabolism and the interaction of gut microbiota with nutritional metabolism [9] Group 2: Microbial Control and New Technologies - Ongoing experiments are being conducted on microbial control technologies for extraterrestrial habitation modules, where astronauts assess the effectiveness of disinfection by comparing microbial counts before and after treatment [12] - The crew is testing a mixed reality training device, allowing astronauts to interact with the system using voice or gesture commands while wearing portable mixed reality glasses [15] - Health maintenance activities include measurements of bone density, muscle dimensions, maximum isometric strength, and hearing tests, along with exercises to mitigate the effects of weightlessness [15]