A sealed glass world lost about a third of its oxygen in 16 months. Scientists traced it to soil microbes and concrete.

Representative image of a glass-enclosed growing space. Photo by Milada Vigerova on Pexels. The Biosphere 2 oxygen problem is easy to remember as a failure: eight people sealed under glass, the air ...

In the early 1990s, eight people agreed to vanish from the world and live for two years inside a sealed glass habitat in the Arizona desert, a kind of fake Earth built to see whether humans could ...

Add Yahoo as a preferred source to see more of our stories on Google. A page from the Deseret News on Sept. 26, 1991, as the eight "Biospherians" entered their enclosed life biosphere in Oracle, Ariz.

ORACLE, Ariz. — Plopped in the Sonoran Desert, just outside Tucson, Ariz., sits a massive, multilevel greenhouse that's probably best known as the inspiration for a Pauly Shore movie. A slick, stepped ...