Martian habitat in Arizona—in miniature
Researchers plan to host new experiments in this pressurized, sealed greenhouse on the Biosphere 2 campus in Arizona. There’s a story, possibly apocryphal, about a cosmonaut who conducted a plant-growing experiment aboard a Russian orbiter in the 1970s or ’80s. When the cosmonaut returned to Earth, he was evasive about the experiment’s outcome. “I ate …