July 1st, 2024

Scientists find desert moss 'that can survive on Mars'

Scientists in China found desert moss, Syntrichia caninervis, resilient to Mars-like conditions. The moss could aid in transforming Martian soil for plant growth, potentially supporting future colonization efforts. Further research on its reproduction is required.

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Scientists find desert moss 'that can survive on Mars'

Scientists in China have discovered a desert moss, Syntrichia caninervis, capable of surviving Mars-like conditions, including drought, radiation, and extreme cold. This finding could be crucial for establishing life on the red planet. The research focuses on the potential for growing plants on Mars' surface rather than in greenhouses, with implications for outer space colonization. While the moss is not edible, it could play a vital role in transforming Martian soil to enable other plants to grow. The study, published in The Innovation journal, demonstrates the moss's resilience to Mars-like environments, including exposure to radiation and extreme temperatures. However, experts caution that further research is needed to determine the moss's ability to reproduce and proliferate under Martian conditions. Despite limitations and challenges, the extremotolerant moss shows promise as a pioneer plant for potential Mars colonization efforts, offering hope for making parts of the planet habitable for humans in the future.

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Link Icon 10 comments
By @safety1st - 4 months
Headline's a little clickbaity as the moss wouldn't be able to reproduce. There was a better article on this topic a week ago: https://news.ycombinator.com/item?id=40781266

The biggest obstacle is probably how scarce water is on Mars. Like this desert moss might survive for a while but without water it won't be able to reproduce and spread. The team in the link above is considering genetically engineering an organism to absorb water from the atmosphere but even then it is just trace amounts.

Life requires water to survive and grow, doesn't seem like you can have a living organism terraform Mars for you unless you've introduced a ton of water through other means.

By @griffzhowl - 4 months
"Survive" means, after growing in normal Earth conditions, seven days' exposure to Mars-like conditions didn't kill the plants, and they were able to regenerate after being returned to Earth-like conditions. So it doesn't show the plants could actually grow on Mars.
By @KineticLensman - 4 months
Well, they didn't try growing it in Martian-like soil or with Martian levels of surface radiation. So the quotes in the headline are doing a lot of work here.
By @mrtksn - 4 months
How hard is it to genetically engineer or develop some plant that can thrive on Martian conditions? Even if this particular desert moss wouldn't be a perfect match for Mars, maybe its a good starting point?

Is something that lives at +30C to -80C on Martian chemistry impossible?

By @snapplebobapple - 4 months
This obsession with mars seems like such a mistake. Bezos camt make a rocket for shit but he seems rigjt about oneill cylimders being the correct solution. Create limitless surface area and avoid ha ing to go up and down a gravity well is a massive win. I cant see how we are better off spending trillions on mars vs trillions on oneill cylinders.
By @motohagiography - 4 months
if we put a nuclear reactor on the moon or mars to just burn rock, would that release C02 in to the atmosphere to where we could oxygenate it over a few decades? e.g. if there a nuclear reaction that could release oxygen and other elements from rock, we could possibly terraform a planet pretty fast.
By @alkyon - 4 months
Duplicate of my earlier submission: https://news.ycombinator.com/item?id=40838917
By @lagniappe - 4 months
Grow it underwater ;)
By @lkdfjlkdfjlg - 4 months
Send it to Mars, get the process going.
By @andrewclunn - 4 months
The goals of colonization and exploration of the red planet are not always aligned. I for one am not concerned regarding contamination, but I understand why others might have different priorities.