Cotton cell samples, held by NASA astronaut and Expedition 66 Flight Engineer Kayla Barron, are pictured growing on a petri dish inside the Advanced Plant Habitat.
The samples were grown and harvested for the Plant Habitat-05 space agriculture study that explores genetic expression in cotton cultures to learn more about the process of plant regeneration possibly improving crop production on Earth.

iss066e153092 (Fab. 29, 2022) – larger image