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flag Artemis II astronauts test bone marrow chips to study space radiation effects.

flag Four astronauts on the Artemis II mission are participating in a groundbreaking experiment using tiny chips containing their own bone marrow cells. flag The organ-on-a-chip devices, sent into space while identical copies remain on Earth, aim to study how deep space radiation and microgravity affect human biology. flag The results will help NASA predict health risks and personalize medical treatments for future long-duration missions to the Moon and Mars.

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