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The Artemis astronauts will be taking something strange on their voyage: four living "organ chips" — bone marrows, made from their own cells — the size of thumb drives. These “completely functional” living bone marrow chips will be studied as part of the sci-fi sounding AVATAR experiment.
While out in deep space, the Artemis II astronauts are showered by intense radiation — not just from our Sun, but from the rest of the cosmos. While they won’t be put in lethal danger, it will have a deleterious effect on them. And although their health will be monitored during the mission, their bone marrow organ chips will provide a precise measure of how that radiation impacts a fundamental part of their biology.
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