What would you be prepared to do for money? For $6,500 month, to be precise.
How about the following: locking yourself inside a small metal container for three months without any communication with the outside world, with electronic monitors attached to various parts of your body and with frozen baby food and cereal bars for breakfast, lunch and dinner?
Meanwhile, from a control room outside, a team of scientists will monitor your every move checking for any signs that you are starting to crack up.
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It's all in the name of an unprecedented experiment called Mars 500 which has been talked about for many years and is now finally happening.
They'll take part in a simululated mission to the red planet.
It will focus on the psychological difficulties of prolonged isolation and claustrophobia.