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Space Mice Show Unique Parenting Behavior After Shenzhou-21

12/28/2025

38 5 Full Breakdown

Summary

Story summary

Researchers from the Chinese Academy of Sciences (CAS) studied four mice from the Shenzhou-21 mission, launched Oct 31 and returned Nov 14.
One female mouse gave birth to nine pups on December 10, with six surviving.
The study found space mice displayed increased protective instincts toward their offspring compared with Earth mice.
They plan to continue monitoring the pups to understand the long-term effects of space on mammalian development.

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Story summary

Researchers from the Chinese Academy of Sciences (CAS) studied four mice from the Shenzhou-21 mission, launched Oct 31 and returned Nov 14.
One female mouse gave birth to nine pups on December 10, with six surviving.
The study found space mice displayed increased protective instincts toward their offspring compared with Earth mice.
They plan to continue monitoring the pups to understand the long-term effects of space on mammalian development.