5月11日，天舟十号货运飞船成功发射，将人类胚胎模型送入太空。这是世界上首次在太空原位研究微重力和宇宙辐射对早期人类发育的影响。
这些模型由干细胞在实验室中制成，模拟自然早期胚胎结构，但不会发育成人类。它们覆盖受精后14至21天的发育阶段，这一时期是器官形成和身体轴建立的关键窗口。
项目负责人、中国科学院动物研究所教授余乐谦表示，此举旨在探索生命在突然失去重力后的反应。模型将完成五天太空发育，然后冷冻保存以待返回地球分析。
研究将比较太空与地面发育，评估模型替代自然胚胎的准确性，并揭示长期太空居住的生殖风险。两种特定模型分别模拟植入期和原肠胚形成期。
由 AI 报道 AI 生成的图像
Lai Ka-ying, Hong Kong's first astronaut, launched into space aboard the Shenzhou-23 spacecraft on Sunday evening. The mission marks a milestone for the city as she joins a three-person crew heading to the Tiangong space station.
China successfully launched the Tianzhou-10 cargo spacecraft on Monday to deliver supplies to the Tiangong space station.
由 AI 报道
China launched the Shenzhou-23 crewed spaceship on Sunday. The astronauts entered the Tiangong space station on Monday to begin handover with the Shenzhou-21 crew.
Researchers have identified the gene NANOG as the key switch that initiates the developmental program resulting in cells forming a human body. The finding came from precise DNA edits to fertilized human eggs using CRISPR base editing.
由 AI 报道
The Chinese Academy of Sciences launched a research programme on Monday to study low-altitude hypersonic flight technology.