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jsc2026e034363 (April 28, 2026) --- The Spleen Activity in Space Anemia and Red Cells Kinetics (SPARK) logo. This investigation uses imaging techniques in space to study how the spleen changes and how red blood cells break down in space. SPARK aims to better understand the biological mechanisms of space-related anemia to find ways to better protect crew health during long-duration space missions. Credit: Katbdesign Studio.

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jsc2026e034363

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December 19, 2025

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