Shenzhou-23 crew conduct space experiments in biology, physics and technology #coolchina

Shenzhou-23 astronauts Zhu Yangzhu, Zhang Zhiyuan and Lai Ka-ying have spent three weeks aboard China's Tiangong space station conducting experiments in biology, materials science and space medicine.

Their work included studying cell metabolism in microgravity, exposing biological samples to space radiation, and carrying out safety drills and routine station maintenance.

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