Agnirva Space Premier League - Expedition #31439: Testing Mouse Homes in Space: JAXA’s Habitat Verification Mission

Before conducting complex biological research in space, scientists need to ensure that lab animals can live comfortably in microgravity. The Japan Aerospace Exploration Agency (JAXA) designed a specialized Mouse Habitat Unit (MHU) to support long-term animal studies aboard the International Space Station. Dr. Dai Shiba led this critical technical verification mission during Expeditions 59/60.

The MHU allows mice to move freely, eat, drink, and even reproduce under the low-gravity conditions of space. The goal was to test life support systems, waste management, and habitat integrity before conducting more intricate biological or genetic studies. Sensors and cameras monitored the mice continuously, providing data about their behavior, health, and adaptation to space.

This verification step is vital. Without a reliable habitat, long-term biological research could yield inconsistent or harmful results. The successful operation of the MHU means researchers can now use this system for studies ranging from aging and bone density to immunology and genetics. JAXA’s work represents a foundational leap in space biology.

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