央视网消息：神舟二十号航天员乘组已于11月14日晚平安抵京，并于11月15日凌晨返回位于北京航天城的航天员大队公寓。同时，随神舟二十 一号飞船下行的空间站航天医学实验样本也运抵北京，交付中国航天员科研训练中心。 0时30分许，神舟二十号航天员回到位于北京航天城的航天员大队公寓，受到来自家人、队友、航天科研人员的热烈欢迎。伴随着喜庆的乐曲 和人群的欢呼声，神舟二十号航天员陈冬、陈中瑞、王杰进入航天员公寓。在这里他们将进入隔离恢复期，接受全面的医学检查和健康评估， 并安排休养。之后，将在北京航天城中国航天员科研训练中心与新闻媒体见面。 随航天员一同抵京的，还有此次随神舟二十一号载人飞船返回舱下行的一批空间站航天医学实验样本。凌晨1时，在北京航天城中国航天员科 研训练中心，科研人员为这些样本举行了交接仪式。 此次交接的是神舟二十号和天舟九号2次任务的航天医学实验样本，总重量3.2公斤，包括血液、尿液、粪便、唾液、咽拭子、微生物和细胞共 7类199份样本，将支撑19项空间站航天医学实验项目的研究实施。 参与实验的19家科研单位，将针对空间环境对人体骨代谢交互调控、核心菌群演变、大脑稳态维持、生物节律和睡眠的影响等问题 ...

据了解，本次下行的实验小鼠在中国空间站已经生活近两周，比原计划延长了约一倍时间。这次下行着陆后，科研人员将对小鼠开展现场 处置，包括将对小鼠的行为、生理生化关键指标开展研究，初步解析小鼠对空间环境的应激响应与适应性变化规律，为进一步理解空间环境对 生命体的影响提供科学依据。 央视网消息：据了解，包括小鼠在内的大批空间科学实验样品随神舟二十一号飞船顺利返回。 随神舟二十一号飞船返回的实验样品包括实验小鼠、斑马鱼和金鱼藻、巨噬细胞、肝细胞等9种生命实验样品；另外有钨铪合金、软磁材 料、水合盐相变和模拟月壤、抗辐照光纤、新型热控涂层、空间薄膜太阳电池防护等多种材料样品，以及燃烧器、碳烟采集板及采集盖3种燃 烧实验样品。 中国科学院空间应用工程与技术中心研究员张璐称："我们把整个小鼠在太空里面喂养，包括生活的整个技术走通了。同时我们还建立了 各种、全流程的天地一体化的动物培养体系，为后续开展大规模的空间的哺乳动物的培养、研究奠定了非常好的基础。希望通过小鼠这种模式 生物的研究，能够帮助人们进一步理解这种生物体，甚至可以推演到比如说人类在太空里经历微重力状态之后可能会有哪些包括肌肉、骨骼等 各方面可能的影响。" ...

Core Points - The China University of Geosciences (Wuhan) Yifu Museum is recognized as the first national 4A-level tourist attraction among university museums, specializing in geological sciences with over 40,000 geological specimens and nearly 3,000 paleontological fossils on display [1][3] - The museum serves as both a learning environment for students and a platform for public education on geosciences, attracting youth from across the country during the summer [1][9] Collection Highlights - The museum houses a diverse collection of fossils, including the "Liang's Guanling Ichthyosaur," which is notable for its length and preservation, providing insights into evolutionary history [10][12] - Significant specimens include a 50-kilogram iron meteorite and various samples collected from Mount Everest, showcasing the museum's commitment to geological research and education [5][8] Research Contributions - The museum has played a crucial role in scientific research, with teams led by Professor Xiao Long participating in the Chang'e 5 lunar mission, creating over 100 tons of simulated lunar soil for research purposes [8][9] - The discovery of the Guiyang Biota by Song Haijun's team has provided new evidence for understanding the ecological recovery following the largest mass extinction event approximately 250 million years ago, with findings published in the journal Science [12][14] Educational Impact - The museum employs simulation technology to recreate ancient biological environments, enhancing visitor engagement and understanding of geological sciences [10][19] - It serves as a practical classroom for students, inspiring them to explore geology and paleontology through hands-on experiences and fieldwork [19][21] Visitor Information - The museum is open to the public from July 9 to August 28, 2025, with daily hours from 9:00 AM to 5:00 PM, allowing visitors to purchase tickets on-site without prior reservation [22]