NASA astronaut Jessica Meir shows off a tissue chamber that houses samples

iss075e0154066 (Sept. 28, 20267) --- NASA astronaut and Expedition 75 commander Jessica Meir shows off a tissue chamber that houses samples for viewing inside the Nikon Experimentation Microscope in Orbit (NEMO). Located inside the International Space Station's Destiny laboratory module, NEMO enables automated imaging of growing cells to study microgravity’s effects on disease, tissue development, and drug responses.