On September 26, 1991, eight researchers known as Biospherians were sealed inside Biosphere 2 in Oracle, Arizona. This massive three acre glass structure was designed to be a self sustaining alien world on Earth. The team included scientists like Jane Poynter and Roy Walford who expected to live in a perfect paradise. Instead, they entered a two year psychological and physical nightmare. The project suffered a catastrophic failure when the oxygen levels began to plummet without explanation. The