Group 1 - Three astronauts interacted closely with the robot "Xiaohang" aboard the space station, conducting tests such as touch interaction and autonomous flight to gather data for optimizing future robotic movement planning [2] - In the field of space medicine, the crew utilized a space Raman spectrometer to analyze metabolic components in urine samples, with the collected information aimed at refining the relevant metabolic indicator system and evaluation criteria [4] - The crew collected saliva samples to study the impact of astronauts on the microbial population in the space station environment, with unified testing planned upon return [4] Group 2 - The crew completed sample collection and storage for a research project exploring the relationship between the origin of genetic codes and chirality in a microgravity environment, focusing on the chiral combinations of amino acids and nucleotides [6] - Ongoing research includes in-situ electrochemical optical studies of lithium-ion batteries for space applications, along with the replacement of sampling covers in combustion science experiment cabinets and the assembly and disassembly of fluid physics experiment modules [6] - A full-system pressure emergency drill was conducted as planned, simulating an internal depressurization scenario to enhance astronauts' emergency response capabilities and Earth-space coordination [8]

Core Viewpoint - The Shenzhou-21 astronauts have been working in orbit for over 70 days, continuing their busy schedule with various training and scientific experiments during the New Year holiday [1]. Group 1: In-Orbit Training - The astronauts conducted remote operation rendezvous docking training, utilizing translation and attitude control handles for speed and attitude control skills [4]. - Medical rescue training was completed, familiarizing the crew with rescue operations in microgravity, equipment locations, and operational procedures [4]. - Emergency evacuation training was performed under simulated fire conditions in the space station [4]. Group 2: Space Science Experiments - In the field of space medicine, the crew conducted experiments using EEG devices and VR glasses to explore brain control signal characteristics in microgravity [6]. - Research on intuitive physics in microgravity and space cooperation coding and regulation was also undertaken [6]. Group 3: Material Science Research - Progress was made in the electrochemical optical in-situ research of lithium-ion batteries, which is expected to provide important theoretical support for future space missions [8]. Group 4: Equipment Maintenance and Management - The crew completed various tasks including the replacement of burners in combustion science experiments, disassembly of fluid physics experiment modules, and maintenance of experimental equipment [10]. - Continuous inspection and maintenance of the space station platform and life support systems were carried out [12].

Group 1 - The Shenzhou 21 astronauts have been working in orbit for over 70 days, maintaining a busy schedule even during the New Year holiday [1] - Various in-orbit training activities are being conducted as planned, including remote operation docking training and medical rescue training [2] - The crew has completed emergency evacuation training under simulated fire conditions in the space station [2] Group 2 - In the field of space medicine, the crew is conducting experiments using EEG devices and VR glasses to explore brain control signal characteristics under microgravity [3] - Progress is being made in the field of space materials science, particularly in the electrochemical optical in-situ research of lithium-ion batteries, which may support future space missions [3] - The crew has also completed maintenance tasks such as replacing combustion devices and cleaning experimental modules [3] Group 3 - Continuous inspection and maintenance of the space station platform and life support systems are being carried out [4]

Core Insights - The Shenzhou-21 crew, consisting of astronauts Zhang Lu, Wu Fei, and Zhang Hongzhang, has been working and living in orbit for nearly two months, with multiple experimental projects underway in the national space laboratory [1] Group 1: Aerospace Medical Experiments - The Shenzhou-21 crew has utilized EEG equipment to gather data for projects such as "Metacognitive Monitoring Research" and "Group Brain Cognition-Emotion Analysis and Regulation," aiding ground researchers in ongoing studies [3] Group 2: Plant Growth Research - The Arabidopsis plant "Xiao Nan" has reappeared in the Wentian experimental module, previously serving as a "teaching assistant" in the "Tiangong Classroom" to help understand plant growth in space. In this mission, it will assist the research team in studying the regulatory networks of plant stem cells [5] Group 3: Microgravity Physics Experiments - The crew has completed the disassembly and replacement of experimental samples in the fluid physics experiment cabinet, changed gas sampling caps in the combustion science experiment cabinet, and performed maintenance on the experimental chamber and axial mechanism electrodes [7] Group 4: Lithium-Ion Battery Research - A project titled "In-Situ Electrochemical Optical Research of Lithium-Ion Batteries for Space Applications" has been initiated, leveraging the expertise of payload specialist Zhang Hongzhang to conduct in-situ optical observations of lithium dendrite growth in a microgravity environment [9] Group 5: Health Maintenance and Equipment Checks - The crew conducted regular maintenance on onboard equipment and upgraded some software. Additionally, they performed medical checks including bone density measurements, electrocardiograms, blood pressure checks, and vision assessments to monitor their health status in orbit [11]

Core Insights - The Shenzhou 21 crew, consisting of astronauts Zhang Lu, Wu Fei, and Zhang Hongzhang, has been working and living in orbit for nearly two months, with various multi-disciplinary experiments being conducted steadily in the national space laboratory [1] Group 1: Space Experiments - In the field of space medicine, the crew has utilized EEG equipment to gather data for projects such as "Metacognitive Monitoring Research" and "Group Brain Cognition-Emotion Analysis and Regulation," aiding ground researchers in ongoing studies [1] - The "Little South" plant, previously featured in the "Tiangong Classroom," is assisting the research team in studying the regulatory molecular network of plant stem cells during this mission [1] - The crew has completed the disassembly and replacement of experimental samples in the fluid physics experiment cabinet, as well as maintenance tasks in the combustion science experiment cabinet [1] Group 2: Health Monitoring - In terms of health maintenance and assurance, the astronauts have conducted daily physical exercises along with medical checks including bone density measurement, electrocardiogram and blood pressure checks, and visual function assessments to comprehensively monitor their health status in orbit [2]

Group 1 - The Shenzhou 21 crew, consisting of astronauts Zhang Lu, Wu Fei, and Zhang Hongzhang, has been working and living in orbit for nearly two months, with multiple experimental projects underway in the national space laboratory [1] - In the field of aerospace medicine, the crew has utilized EEG equipment to gather data for projects such as "Metacognitive Monitoring Research" and "Group Brain Cognition-Emotion Analysis and Regulation," aiding ground researchers in ongoing studies [1] - The crew has conducted regular maintenance on onboard equipment and upgraded some software, while also performing health checks including bone density measurement, electrocardiogram, blood pressure checks, and vision function assessments to monitor their health status in orbit [9] Group 2 - In the Wentian experimental module, the plant Arabidopsis thaliana, referred to as "Little Nan," has reappeared, assisting the research team in studying the molecular network of plant stem cell regulation [3] - The crew has completed the disassembly of complex fluid experiment modules in the fluid physics experiment cabinet and replaced experimental samples, as well as conducted maintenance on the combustion science experiment cabinet [5] - A project focusing on the in-situ electrochemical optical research of lithium-ion batteries has been initiated, leveraging the expertise of payload specialist Zhang Hongzhang to conduct optical observations of lithium dendrite growth in a microgravity environment [7]

Core Insights - The Shenzhou-21 crew, consisting of astronauts Zhang Lu, Wu Fei, and Zhang Hongzhang, has been working and living in orbit for nearly two months, with multiple experiments ongoing in the national space laboratory [1] Group 1: Space Medicine Experiments - The crew has utilized EEG equipment to gather data for projects such as "Metacognitive Monitoring Research" and "Group Brain Cognition-Emotion Analysis and Regulation," aiding ground researchers in their ongoing studies [3] Group 2: Plant Growth Research - The plant "Xiao Nan" has reappeared in the Wentian experimental module, previously serving as a "teaching assistant" in the "Tiangong Classroom" to help understand plant growth in space. In this mission, it will assist the research team in studying the regulatory networks of plant stem cells [5] Group 3: Microgravity Physics Experiments - The crew has completed the disassembly and replacement of experimental samples in the fluid physics experiment cabinet and has also changed the gas sampling cap in the combustion science experiment cabinet. Additionally, they performed sample cleaning and replacement in the containerless experiment chamber [7] Group 4: Lithium-Ion Battery Research - A project focusing on "In-situ Electrochemical Optical Research of Lithium-Ion Batteries for Space Applications" has been initiated, leveraging the expertise of payload specialist Zhang Hongzhang to conduct optical observations of lithium dendrite growth in microgravity [9] Group 5: Equipment Maintenance and Health Monitoring - The crew conducted regular maintenance on onboard equipment and upgraded some software. They also performed medical checks, including bone density measurements, ECG and blood pressure checks, and vision assessments to monitor their health status in orbit [11]