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The volcanic slopes of Mauna Loa in Hawaii. just happen to resemble the dry surface of Mars, making it the perfect place for a series of missions called Hi-Seas which are attempting to figure out how crews can live together in situations similar to Mars. What works and what doesn鈥檛? Kim Binstead of Hawaii University is project supervisor.

Image: Simulating Mars.
Credit: Hi-Seas Gallery, University of Hawaii