New research from Mass General Brigham and Washington University School of Medicine in St. Louis found Xenon gas inhalation reduced neurodegeneration and boosted protection in preclinical models ...
The record for total microgravity exposure is held by Oleg Kononenko, with 1,111 days over five missions. Second longest is Gennady Padalka with 878 days. So 16 months (480 days) total has been ...