Potatoes in Space! (encore)

Today, a half century after Neil Armstrong took one small step onto
the surface of the Moon, there are still just ten humans living in
space—the crew of the International Space Station. But, after
decades of talk, both government agencies and entrepreneurs are now
drawing up more concrete plans to return to the Moon, and even
travel onward to Mars. Getting there is one thing, but if we plan
to set up colonies, we'll have to figure out how to feed ourselves.
Will Earth crops grow in space—and, if so, will they taste
different? Will we be sipping spirulina smoothies and crunching on
chlorella cookies, as scientists imagined in the 1960s, or
preparing potatoes six thousand different ways, like Matt Damon
in The Martian? Listen in this episode for the stories about
how and what we might be farming, once we get to Mars. (encore
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