Last week, scientists used ice caves in Austria as a stand-in for Martian caves, testing spacesuits and rovers in the freezing chambers. This week: We go to the desert near Baker, California, where NASA is testing out its Curiosity rover. Curiosity is 86 days away from landing on the real Martian surface.
Gene Blevins / Reuters
Maggie Koerth-Baker is the science editor at BoingBoing.net. She writes a monthly column for The New York Times Magazine and is the author of Before the Lights Go Out, a book about electricity, infrastructure, and the future of energy. You can find Maggie on Twitter and Facebook.