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Explorers found something incredible deep beneath Antarctica’s icy waters—mysterious life thriving where no one expected! 🧊🌊 Hidden under a thick sheet of ice, strange creatures like sponges and unknown organisms were discovered clinging to a boulder. Scientists were baffled because these life forms shouldn’t be able to survive in such extreme conditions, with no sunlight and barely any food. This discovery is rewriting what we know about life in the harshest places on Earth—and maybe even other planets! 🌍🚀 If creatures can survive in Antarctica’s frozen depths, who knows what we might find in the icy oceans of moons like Europa? Nature always finds a way, and this time, it left us speechless! Credit:
They Live / Alive Films and co-producer
The Thing / Morgan Creek Entertainment and co-producers
CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0/:
Taylor Glacier: by Eli Duke, https://commons.wikimedia.org/wiki/File:Taylor_Glacier,_Antarctica_2.jpg
ground-penetrating radar: by The Official CTBTO Photostream, https://commons.wikimedia.org/wiki/File:Using_ground-penetrating_radar_-_Flickr_-_The_Official_CTBTO_Photostream.jpg, https://flic.kr/p/6PhY9a
ground-penetrating radar: by The Official CTBTO Photostream, https://commons.wikimedia.org/wiki/File:Using_ground-penetrating_radar_equipment_(15871113196).jpg, https://flic.kr/p/qbtB1G
ground-penetrating radar: by The Official CTBTO Photostream, https://commons.wikimedia.org/wiki/File:Using_ground-penetrating_radar_equipment_(15894930731).jpg, https://flic.kr/p/qdzF8R
CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0/:
Cryptoendolith: by Guillaume Dargaud http://www.gdargaud.net/, https://commons.wikimedia.org/wiki/File:Cryptoendolith.jpg
Acidimicrobium ferrooxidans: by Manfred Rohde, Helmholtz Centre for Infection Research, Braunschweig, https://commons.wikimedia.org/wiki/File:Acidimicrobium_ferrooxidans.jpg
Westküste von Great Bernera II: by GerritR, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0/, https://commons.wikimedia.org/wiki/File:Gneis_mit_kleinr%C3%A4umigen_Verformungen,_Westk%C3%BCste_von_Great_Bernera_II.jpg
About Europa: by NASA, https://commons.wikimedia.org/wiki/File:What_You_Need_to_Know_About_Europa.webm, https://europa.nasa.gov/why-europa/overview/
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Fun
Transcript
00:00Consider Lake Enigma. What a fitting name. It's already strange enough because it's
00:06not even supposed to exist. But now, we stumbled upon actual life deep beneath it. And this
00:13just might help NASA in their search for life in outer space.
00:17The lake lies deep in the icy heart of Antarctica, so it's not really a water pool like we're
00:23used to. More like a lake-like block of ice. Or so we thought.
00:29Just recently, Italian scientists discovered a secret that had been buried for ages – an
00:34actual body of water. And in this water, life is thriving. Various microorganisms, and even
00:41some weird little hunters. Which is super weird, since Enigma sits in a remote and harsh
00:47corner of our planet – the northern Victoria land in Antarctica.
00:52The entire South Pole is cold, but in this place, temperatures can plummet to a horrifying
00:59minus 41 degrees Fahrenheit. Though on average, it's around 7. Brr, shitty!
01:06Like we said, this lake shouldn't even be there at all. Antarctica is technically the
01:11largest desert on Earth, even though it's covered in snow, because it's super dry.
01:17There are zero rains, truly little snowfall, and the sun barely evaporates anything. And
01:23even if there is some water, the insane winds make sure to dry everything out super quickly.
01:29Putting on our thinking caps, this lake should lose an unimaginable 7 million cubic feet
01:35of water every year. Yet the water remains. Why? No one knows.
01:42Scientists say there could be something deep underground that refills it constantly. They
01:46just have no idea what that might be. Maybe deep underground rivers, melting ice,
01:53or something else entirely. But hence the name – the Enigma Lake.
01:58The block of ice we mentioned is permanent and super thick – at least 36 feet of it,
02:04and that's higher than a three-story building. So researchers decided to check out if there's
02:08anything beneath it. They used a so-called ground-penetrating radar, a super-smart echo
02:14detector for the ground. This radar sends invisible radio waves into the Earth. When
02:20they hit something underground, like rocks, water, or anything else, they bounce back
02:25to the device. By measuring how long it takes for the signal to return and how strong they
02:31are, we can determine the distance and what exactly the radar hit. That's how animals
02:37like bats, whales, and dolphins can see underwater. And we humans stole this cool nature idea
02:43to research buried structures and hidden caves.
02:47Scientists used this device all over the Enigma surface. This way, they were able to
02:51create an entire map of this under-ice world beneath. The water itself wasn't surprising
02:57– it's the unique ecosystem in it that shocked them.
03:02Unfortunately, no secret monsters or extraterrestrial secrets this time. But there are microorganisms
03:09there that may not exist anywhere else on Earth. Somehow, these creatures have managed
03:15to survive in complete isolation and extreme cold. It's not that we don't know these
03:21microorganisms – we've met them before – just not exactly like this. There are
03:26a couple groups hanging out down there. The first one is Bacteroidota. They love breaking
03:32down complex molecules, especially in your stomach, and help digest tough plant fibers.
03:38They mostly hang out inside us. But in the outside world, we might occasionally find
03:43them in soils and oceans. Then Actinobacterioda. Genius chemists among bacteria. They decompose
03:51organic materials and help the soil get healthier. They're also famous for producing antibiotics,
03:57so we owe a lot of our medicine to them. The third one is Pseudomonadota. These guys
04:03weren't a surprise – they're crazy adaptable. They can thrive pretty much anywhere, from
04:08soil to water to the human body. Some of them are good, helping plants grow and in
04:14nutrient cycles, but others can be opportunistic pathogens. Ooh, bad guys.
04:20But what is actually a surprise is that Lake Enigma has tons of Passive Bacteria. They're
04:27ultra-small even for microorganisms and can barely do anything themselves. So they prefer
04:33to live in symbiosis or be little parasites, relying on their hosts for nutrients and other
04:38necessities. All these little chompers might be ancient. They could be remnants of a time
04:44before the lake froze over completely, which is hundreds of thousands of years ago.
04:49It's simply weird to encounter these bacteria in the Enigma Lake, especially the little
04:54parasites. Patissa bacteria usually love low-oxygen environments, but this lake is very oxygen-rich,
05:02not even mentioning an almost 40 feet of ice above.
05:06So all this means that even though we know who these guys are, this specific species
05:11might be new to us. They could've evolved with some unique adaptations and abilities
05:16using the lake's unusual chemistry. They probably rely on a super-simple and delicate
05:22food web. Some of the microorganisms produce energy from light, well, whatever light gets
05:28down there, or the lake's chemicals. The symbiosis guys most likely survive by living
05:34on or inside their neighbors. Yep, these microscopic creatures hunt each other. Nope, things can't
05:41be peaceful even in a place like that. If we find out what their secretive survival
05:47is, we might learn more about chemistry, medicine, and even extraterrestrial life. Because if
05:54life can endure such extreme conditions, then it can probably appear pretty much anywhere.
06:01Including our closest neighbors, Europa or Enceladus, the moons of Jupiter and Saturn.
06:06They definitely hide oceans beneath their frozen surfaces, and now there's a very
06:11high chance there might be some life there. Antarctica must be the closest thing we have
06:17to extraterrestrial exploration before we actually land on other planets. It's full
06:23of hidden mysteries and surprising creatures. Even outside of Lake Enigma, the South Pole
06:29harbors life. Just take the McMurdo Dry Valleys, which are
06:33often referred to as Earthly Mars. These are among the most mysterious and extreme places
06:39on our planet. They're stretching across Victoria Land in Antarctica, and this is one
06:45of the driest places on Earth. Makes sense, if you remember the name. Surprisingly, unlike
06:51other parts of the South Pole, this land is almost entirely devoid of snow and ice.
06:57Just lots of super-cold ground. There might even be some sand dunes nestled here and there
07:02between the rugged mountains. The ground is mostly covered in loose gravel, scattered
07:07with ancient rocks made of granite, and something interesting called gneiss, just spelled differently.
07:14It's the type of rock that's been through a lot, literally. It's usually born when
07:18granite and sedimentary rocks have to endure insane pressure or horrifying heat for a while,
07:25a process called metamorphism. These conditions are so intense that they literally rearrange
07:31the minerals into layers. That's why gneiss has such beautiful foliated looks. It's
07:37the planet's version of baking a layered cake. It's amazing because this place is
07:42almost exactly the way it was millions of years ago. These valleys are frozen in time,
07:48and they give us a little glimpse into Earth's distant past. And that includes life. Once
07:54again, local winds are absolutely terrifying gusts of cold air racing downhill, and they
08:00evaporate snow faster than it can even melt. So, logically, you shouldn't find much water
08:06here, not even mentioning life. But somehow, you can still stumble across frozen lakes
08:13and saline ponds in the dry valleys. And local life stretches all reason and our understanding
08:19of biology. It exists inside the rocks themselves. Microorganisms are hidden in slightly moist
08:27cracks and crevices. Deep inside, there's endolithic bacteria. These guys are super
08:33chill. Instead of moving around like other microorganisms, they always stay put inside
08:38their little rocky homes. How do they survive? Through photosynthesis. Just like plants,
08:45they take teeny tiny parts of light that gets in crevices and acts like little solar panels,
08:51getting energy from the sun. Meanwhile, in another place, beneath the Taylor
08:56Glacier, there's bacteria that literally doesn't eat anything. Not comfort, not sunlight,
09:02not even oxygen. These guys rely on a diet of dusty rocks and sulfur to fuel their weird
09:08metabolisms. By breaking down sulfur and iron, they get energy to sustain themselves.
09:15This way, they easily survive in deep seas, at sub-freezing temperatures, completely cut
09:20off from sunlight, oxygen, and the world itself. This place is fascinating for both its life
09:27and the lack of it. In some parts of the valleys, like University Valley, the permafrost is
09:34so harsh that no microbes were found at all. This might be one of the only places on Earth
09:41where life appears to be completely absent. A quite scary idea.
09:46Anyway, now scientists are thinking about learning more about Lake Enigma and drilling
09:51this Mars-like environment. Exactly for that reason. To see how we could get samples from
09:57Mars in the future. That's it for today, so hey, if you pacified
10:02your curiosity, then give the video a like and share it with your friends. Or, if you
10:06want more, just click on these videos and stay on the Bright Side!
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