The man and woman aboard the Inspiration Mars mission set to fly-by the Red Planet in 2018Movie Camera will face cramped conditions, muscle atrophy and potential boredom. But their greatest health risk comes from exposure to the radiation from cosmic rays. The solution? Line the spacecraft’s walls with water, food and their own faeces. “It’s a little queasy sounding, but there’s no place for that material to go, and it makes great radiation shielding,” says Taber MacCallum, a member of the team funded by multimillionaire Dennis Tito, who announced the audacious plan earlier this week.
