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flag Artemis II crew studies human health impacts on the moon.

flag Artemis II commander Reid Wiseman viewed the far side of the moon in April 2026, reflecting on his late wife. flag During the mission, astronauts donated bone marrow stem cells to be studied on "organ on a chip" devices, testing how space travel stresses the human body. flag Meanwhile, Australian researchers sent cancer cells to space to study how microgravity affects tumor growth, highlighting space as a frontier for medical discovery.

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