Weird Life Form Found Trapped Inside Huge Underground Crystals

Posted by on March 1, 2017 in Archaeology, Earth & Space, Nature, Sci-Tech, Science with 0 Comments
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Alexa Erickson | Collective-Evolution

Trapped inside massive crystals deep in a Mexican cave, creatures have been discovered that subsist on iron, sulfur, and other chemicals. The researchers say the microbial lifeforms are new to science but have been tucked away for tens of thousands of years.

Should the discovery be verified, it will add to evidence that “microbial life on Earth can endure harsher conditions in isolated places than scientists previously thought possible.”

“These organisms have been dormant but viable for geologically significant periods of time, and they can be released due to other geological processes,” explains NASA Astrobiology Institute director Penelope Boston.“This has profound effects on how we try to understand the evolutionary history of microbial life on this planet.”

However, such a discovery does raise concerns about our search for life beyond this planet, despite the rigorous sterilization spacecraft undergo before a mission. “How do we ensure that life-detection missions are going to detect true Mars life or life from icy worlds rather than our life?” Boston questions. “Aspects of my work illustrate the extreme toughness of life on Earth and the restrictions that places on us.”

PHOTOGRAPH BY CARSTEN PETER, NATIONAL GEOGRAPHIC CREATIVE

PHOTOGRAPH BY CARSTEN PETER, NATIONAL GEOGRAPHIC CREATIVE

PHOTOGRAPH BY CARSTEN PETER, SPELEORESEARCH & FILMS, NATIONAL GEOGRAPHIC CREATIVE

The microbes were found inside the Cave of Crystals, which is part of the Naica mine in the northern state of Chihuahua. Upon hauling up lead and silver, which involved pumping groundwater out of the expansive underground caverns, a labyrinth of milky-white crystals  — some more than 30 feet long — were stumbled upon.

Boston was able to take samples from pockets of fluid trapped inside the crystals back in 2008 and 2009. Her team then woke the dormant microbes up in that fluid and grew cultures. It is thought that the organisms they now have growing in the lab are between 10,000 and 50,000 years old.

Though the work hasn’t gone through the peer-review process yet, which makes it difficult for other experts to weigh in on the findings, Brent Christner, a microbiologist at the University of Florida in Gainesville, says that “reviving microbes from samples of 10,000 to 50,000 years is not that outlandish based on previous reports of microbial resuscitations in geological materials hundreds of thousands to millions of years old.”

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