We haven't found a way to store scientific samples from space missions without any risk of degradation over decades.
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Science & Space
Precious samples brought back from the Moon or asteroids need to remain scientifically useful for generations of future researchers. Long-term sample preservation technology hasn't fully caught up with mission ambitions.
Team Humans Club. (2026). Problem WS00304: We haven't found a way to store scientific samples from space missions without any risk of degradation over decades.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=304