Eight go mad in Arizona: how a lockdown experiment went horribly wrong
"If humankind was going to settle other planets, they reasoned, it would need to learn how to replicate Earth." In the 1990s, a troupe of hippies spent two years sealed inside a dome called Biosphere 2. They ended up starving and gasping for breath. As the new documentary Spaceship Earth sheds light on their story, Steve Rose from the Guardian digs deeper into what happened in that dome.
From The Guardian