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Most volunteers enjoyed the 
 isolation. They wanted to stay 
 longer to finish 
 they had started. Deep Time's director said the 
 would, "test humans' 
 to adapt to the 
 of their frame of reference for 
 and space". He said: "Our 
 as humans on this 
 will evolve. We must learn to better understand how our brains are capable of finding new 
, whatever the situation."