Washington DC, July 2 -- The 11 crew members aboard the International Space Station, representing Expedition 73 and Axiom Mission 4 (Ax-4), resumed their space science duties on Tuesday. Their research focused on various areas, including brain circulation, the observation of cancer cells, and the study of biotechnology, among other investigations, as per a statement by NASA.

Station Commander Takuya Onishi, from the Japan Aerospace Exploration Agency (JAXA), attached sensors to his neck and chest to measure how blood flows from the brain to the heart.

Doctors will review the data to understand how blood circulation adapts to weightlessness. Meanwhile, Ax-4 crewmates Peggy Whitson and Tibor Kapu also studied cerebral circulation for anot...