The scientific plot hole The Martian gets wrong 🪴

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Science fiction films are a firm favourite for many. And while the genre specialises in speculative ideas, there is still a place for factual accuracy.⁠ In 2015’s The Martian, botanist-turned-astronaut Mark Watney survives being marooned on the Red Planet by growing his own potatoes. Producing arguably more calories per square metre of growing space than any other conventional crop, potatoes are a logical choice. But there is still a problem with how they travelled to Mars.⁠

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