Eight go mad in Arizona: how a lockdown experiment went horribly wrong
(WorldNews Environment)

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 a new documentary Spaceship Earth tells their story, we meet the ‘biospherians` It sounds like a sci-fi movie, or the weirdest series of Big Brother ever....