In the 2015 sci-fi film The Martian, a marooned astronaut survives on the red planet eating nothing but potatoes. But since there are no real humans on Mars, could a person survive eating nothing but spuds on Earth?
The short answer: Unless you’re stranded with nothing but taters, it’s not a good idea.
Learn more: http://pops.ci/OneFood
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Narrator: Jess Boddy
Researcher: Ellen Airhart
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