iss048e045065 (7/27/2016) --- NASA astronaut Kate Rubins pauses for a photo while using the Microscope to conduct Heart Cells experiment operations. Effects of Microgravity on Stem Cell-Derived Cardiomyocytes (Heart Cells) studies the human heart, specifically how heart muscle tissue, contracts, grows and changes (gene expression) in microgravity and how those changes vary between subjects.
Photographer Takuya Onishi
Date July 27, 2016