How Living Inside Biosphere 2 Changed These Scientists’ Lives – Mental Floss August 12, 2016September 22, 2022 ©CDO courtesy of the University of Arizona Taber MacCallum and Jane Poynter witnessed the most affecting solar eclipse of their lives in 1992. That’s because as they watched the Sun disappear behind the Moon’s shadow, they were also watching their oxygen supplies slipping away. Advertisement Share this:TwitterFacebookLike this:Like Loading...