Marrow: Upon wakeup a 53S crewmember collected breath and ambient air samples. With operator assistance, the subject collected blood samples to support the Marrow investigation. The blood samples were processed in the centrifuge and placed in the Minus Eighty Degree Celsius Laboratory Freezer for ISS (MELFI). The Marrow investigation looks at the effect of microgravity … Continue reading “ISS Daily Summary Report – 12/21/2017”