NASA astronaut Jessica Meir processes stem cell samples inside the Life Science Glovebox

iss074e0603672 (May 20, 2026) --- NASA astronaut and Expedition 74 flight engineer Jessica Meir processes stem cell samples inside the Life Science Glovebox aboard the International Space Station’s Kibo laboratory module. Meir nourished the stem cells being incubated to learn how to manufacture space-designed therapies to treat cancer and blood conditions. Credit: NASA/Jessica Meir