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From the article: While Matt Damon relied on potatoes cultivated in crew biowaste to survive in the hit film The Martian, researchers say it is a humble desert moss that might prove pivotal to establishing life on Mars.

Scientists in China say they have found Syntrichia caninervis – a moss found in regions including Antarctica and the Mojave desert – is able to withstand Mars-like conditions, including drought, high levels of radiation and extreme cold.

The team say their work is the first to look the survival of whole plants in such an environment, while it also focuses on the potential for growing plants on the planet’s surface, rather than in greenhouses.

“The unique insights obtained in our study lay the foundation for outer space colonisation using naturally selected plants adapted to extreme stress conditions,” the team write.

Prof Stuart McDaniel, an expert on moss at the University of Florida and who was not involved in the study, suggested the idea had merits.

“Cultivating terrestrial plants is an important part of any long-term space mission because plants efficiently turn carbon dioxide and water into oxygen and carbohydrates – essentially the air and food that humans need to survive. Desert moss is not edible, but it could provide other important services in space,” he said.

https://www.theguardian.com/science/article/2024/jun/30/scientists-find-desert-moss-that-can-survive-on-mars

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