CNN Fareed Zakaria GPS March 15, 2015 17:06:00
Five people spent four months in a small dome on the mars-like volcano in hawaii. >> this is the main living space right here. >> there was a 20-minute communication delay with the outside world, similar to what mars astronauts would face. >> this is the only window that we have in the habitat. >> the only time they were allowed to leave the habitat was in spacesuits. >> okay. >> we haven't had a huge amount of interpersonal conflict, although every once in a while -- >> not always facing away from the camera. >> to keep track of the mood, crew members wore devices that detected the volume of ...