Cell Biology Experiment Facility (CBEF) Humidifier Fill: In preparation for the JAXA Space Moss experiment arriving on SpX-18, the crew performed a CBEF humidifier refilling activity.  The experiment grows mosses on the ISS and on Earth to determine how microgravity affects their growth, development, gene expression, photosynthetic activity, and other features. Tiny plants without roots, …

Source: ISS Daily Summary Report - 7/11/2019