ISS On-Orbit Status Report

Circadian Rhythms: A 52S crewmember removed and stowed the Double Sensors and Thermolab Unit equipment that was used to complete a 36-hour Circadian Rhythms session that began on Wednesday. Circadian Rhythms investigates the role of synchronized circadian rhythms, or the “biological clock,” and how it changes during long-duration spaceflight. Researchers hypothesize that a non-24-hour cycle …