And we've already done it. A bunch of crops were recently grown and
harvested on the International Space Station, and they've been proven
safe to eat. We've got wheat, peas, and leafy greens growing up in
space, going where no leafy greens have gone before.
in space has a few obvious benefits, all which mirror plants’ usages
here on Earth. They serve as a great source of food, yes, but they can
also help recycle the carbon dioxide that the astronauts exhale into
their environment. Finally, they can turn human waste into food. All of
this is (often) taken for granted here on Earth, but with the limited
resources found in the inky blackness of space, plant life could be a
complete game-changer. The plants are grown hydroponically, meaning they
are grown in nutrient-enriched water (without soil).
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