Astronaut Nichole Ayers inserts blood samples into a science freezer
iss072e808609 (March 20, 2025) --- NASA astronaut and Expedition 72 Flight Engineer Nichole Ayers inserts a cryogenic storage unit, called a dewar, containing blood samples collected from a crew member into a science freezer for preservation and later analysis. The Minus Eighty-Degree Laboratory Freezer for International Space Station, or MELFI, is a research freezer that maintains experiment samples at ultra-cold temperatures in microgravity.
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NASA ID
iss072e808609
Date Created
March 20, 2025
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JSC
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image
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