Scientists Discover New Species in Alaskan Permafrost — and the Military Is Taking Notice
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Beneath the frozen ground in Fox, Alaska, an entire world of unknown organisms has been waiting — dormant for an estimated 40,000 years.
Scientists just woke them up.
Researchers from the U.S. Army Corps of Engineers’ Cold Regions Research and Engineering Laboratory (CRREL) have discovered 26 new species of microorganisms preserved in ancient permafrost.
The organisms had never been identified before.
The findings, detailed in an announcement published by the American Society for Microbiology in August, open a strange and compelling door: using ice-age biology to build real-world products for the U.S. military.
“We are discovering new bacteria that have never been discovered before,” said Dr. Robyn Barbato, senior research microbiologist and leader of CRREL’s soil microbiology team, in a Feb. 11 press release.
“Do you remember being enchanted by the animals that Jack Hanna would bring on late night TV? It’s sort of like that. There are these organisms that we didn’t even know existed that have been locked in frozen ice or permafrost,” she added.
What Are These New Species Exactly?
The 26 newly identified species were pulled from CRREL’s Permafrost Tunnel Research Facility in Fox, Alaska, where they had been frozen and dormant for an estimated 40,000 years.
After extraction, the microbes were transported to CRREL’s soil microbiology laboratory in Hanover, New Hampshire, where they were revived and studied.
These organisms are classified as extremophiles — a category of life that can survive in conditions most living things cannot: extreme cold, low nutrients, limited oxygen.
What makes them particularly compelling to researchers is their ability to remain viable after extremely long periods in a frozen, dormant state.
They didn’t just endure the ice age. They came back from it.
And they may be just the beginning.
So far, 52% of the bacteria encountered in permafrost tunnel samples have been new species. More than half of what scientists are pulling out of that frozen ground has never been cataloged.
“We have every reason to believe that the more we look, the more new species we will find,” said Barbato. “It’s incredibly exciting to be working on the microbiological frontier, so to speak.”
Why Is the U.S. Military Getting Involved?
This research isn’t a pure-science passion project. It’s funded through a specific Defense Advanced Research Projects Agency (DARPA) initiative called Ice Control for Cold Environments (ICE).
The program’s goal: leverage biological adaptations to cold to develop new technologies that help the U.S. military survive and thrive in extreme cold regions.
The logic runs like this — these microbes have spent tens of thousands of years developing biological mechanisms to withstand freezing temperatures. Researchers want to identify exactly how they do it, then develop products that mimic those characteristics.
“These microbes have evolved to remain viable in sub-zero temperatures,” said Barbato. “We want to learn how they do it so that we can develop new biotechnologies that help the U.S. military operate in cold regions.”
The applications being explored are specific, but the opportunities are endless.
For example, researchers envision a skin cream that protects troops from frostbite, developed by mimicking the biological cold-resistance strategies these organisms evolved over millennia.
Another potential target: a spray-on coating that prevents ice buildup from negatively impacting the performance of military vehicles and equipment.
A Growing Library of Unknown Life
Each newly discovered species is being added to CRREL’s Innovative, Collaborative, Exploratory Cold Regions Organism Library for Discovery in Biotechnology (ICE COLD).
The library functions as a growing catalog of extremophile organisms found in permafrost — a biological reference collection that didn’t exist until this research began building it.
The 52% figure is worth sitting with.
When researchers examine permafrost tunnel samples and more than half of the bacteria they find turn out to be species unknown to science, it suggests the scale of biological discovery still locked in frozen ground is enormous.
Each sample could contain organisms with survival mechanisms no one has studied before.
For now, the research is in its discovery phase. Scientists are still identifying new species, building out the ICE COLD library, and working to understand the specific biological mechanisms at play.
But the pace of discovery — 26 new species identified and published through the American Society for Microbiology, with more than half of all permafrost bacteria sampled turning out to be unknown — suggests this library will keep growing.
The frozen ground beneath Alaska, it turns out, is less a dead archive and more a vault of biological strategies we’ve never had access to. Researchers are just starting to crack it open.