Group 1 - The core point of the news is the successful return of the Shenzhou 20 mission, which included a variety of scientific samples for research, highlighting the advancements in space science and technology [2][3] - The Shenzhou 20 mission returned with a total of 26 experimental projects, weighing 46.67 kilograms, which included life, materials, and combustion experiments [2] - Four experimental mice, which were initially scheduled for a short trip of 5-7 days, extended their stay to nearly two weeks due to a delay in the spacecraft's return, increasing the scientific value of their journey [2] Group 2 - The ninth batch of space science experimental samples from the Chinese space station was successfully delivered to scientists on November 15 for further research [3] - In addition to the initial research conducted on the experimental mice post-landing, other life science samples, including zebrafish, goldfish algae, planarians, and brain chips, were also delivered to research teams in Beijing [5] - Future research will focus on transcriptome sequencing and proteomics of life cell samples, as well as morphological and chemical composition analysis of material samples [5]