50,000 Year Old Microbes Have Just Been Found In Crystals. Alive.
NASA finds 50,000 year-old bacteria alive inside gigantic crystals in a Mexican mine.
The presentation was called “The Astrobiological Exploration of Earth and Mars” but featured the results of eight years of digging in a lead, silver, and zinc mine in Chihuaha, Mexico. The presenter was Penelope Boston, director of the NASA Astrobiology Institute in Moffett Field, Calif. It was about what they found living inside of underground crystals. No, it’s not a science-fi movie, but it is pretty cool. The ancient living organisms Boston and her team discovered in the Naica mine would give a tardigrade pause — they’re between 10,000 and 50,000 years old. And they expand the boundaries of possible extraterrestrial lifeforms and life-supporting environments.
“The search for life elsewhere in our solar system and beyond is one of the great intellectual enterprises of our species,” says Boston in a NASA press release. “The deeper understanding of the profound biodiversity and adaptability of life here on our own planet is part of the same continuum.”
The bacteria were found floating in pockets of liquid trapped within massive crystals of calcium sulfate. The microbes are different, too, unlike any known genus. They somewhat resemble bacteria found in the surrounding cave, but that’s about it. Their closest cousins are probably previously discovered microbes found in volcanic soils, or others that somehow survive on toluene, which is basically paint thinner.
It looks like the bacteria could have been dormant at least part of the time they were encased in the crystals, but when Boston’s team brought them back to the lab, they revived them and got them growing again. Because the microbes are consistent genetically with other bacteria found in the cave, the scientists are fairly confident their presence in the crystals is not the result of some external contamination, but that they’ve really been there the whole time. And there is pretty intense, 100 to 400 meters below the surface at temperatures of 45° to 65° Celsius (113° to 149° Fahrenheit). This places the bacteria among the toughest on earth.
Boston tells Science News, “Any extremophile system that we’re studying actually allows us to push the envelope of life further. We add it to this atlas of possibilities that we can apply to different planetary settings.”
The implications cut both ways. On one hand, they show just how ingenious and flexible life can be at adapting to the most hostile conditions: “If you took some of these organisms from Earth and put them elsewhere, they may do just fine,” Boston notes. On the other hand, the bacteria raise concerns about how careful we’ll have to be to prevent indestructible extraterrestrial microbes from stowing away on spacecraft returning to earth.
The pandemic reminds us that our higher education system, with all its flaws, remains a key part of our strategic reserve.
- America's higher education system is under great scrutiny as it adapts to a remote-learning world. These criticisms will only make higher ed more innovative.
- While there are flaws in the system and great challenges ahead, higher education has adapted quickly to allow students to continue learning. John Katzman, CEO of online learning organization Noodle Partners, believes this is cause for optimism not negativity.
- Universities are pillars of scientific research on the COVID-19 frontlines, they bring facts in times of uncertainty and fake news, and, in a bad economy, education is a personal floatation device.
Meteorologists propose a stunning new explanation for the mysterious events in the Bermuda Triangle.
One of life's great mysteries, the Bermuda Triangle might have finally found an explanation. This strange region, that lies in the North Atlantic Ocean between Bermuda, Miami and San Juan, Puerto Rico, has been the presumed cause of dozens and dozens of mind-boggling disappearances of ships and planes.
A debate is raging inside and outside of churches.
- Over 1,200 pastors in California claim they're opening their churches this week against state orders.
- While church leaders demand independence from governmental oversight, 9,000 Catholic churches have received small business loans.
- A number of re-opened churches shut back down after members and clergy became infected with the novel coronavirus.
An MIT system uses wireless signals to measure in-home appliance usage to better understand health tendencies.
For many of us, our microwaves and dishwashers aren't the first thing that come to mind when trying to glean health information, beyond that we should (maybe) lay off the Hot Pockets and empty the dishes in a timely way.