Right now, people are living in a Mars colony — here's what it looks…

OK, so they're not living on Mars. But they're doing the next best thing, which is participating in a simulated Mars colony in Utah, where they are learning a lot about how people would behave in a harsh, cold climate with nothing but a small trailer full of atmosphere to live in. Organized by the Mars Society, this… » 12/25/12 2:00pm 12/25/12 2:00pm