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Antarctica covers 14.2 million km, [music] making it the fifth largest continent on Earth, bigger than the United States. Approximately 4 km beneath the ice lies Lake Vostto, a body of water that has never been touched by sunlight. A time capsule that had remained isolated from the outside world for over 15 million years.
The drilling process took around four decades, and the findings quickly generated widespread scientific interest.
But that's not all. Beneath the ice, there are vast landscapes, mountains, rivers, and hundreds of hidden lakes [music] containing nearly 70% of Earth's fresh water.
But this world isn't frozen. Beneath the ice, there's heat. And in some places, it's already melting the continent from below.
Antarctica could eventually become a zone of geopolitical tension because beneath this ice could lie one of the richest untapped regions on Earth.
China is already expanding [music] its presence. Russia is pushing deeper into the continent.
Today we step into the hidden world of Antarctica to better understand [music] what's really going on there.
From a bird's eye view, Antarctica appears as a vast frozen emptiness. But that's an illusion. Because what you're seeing is not the [music] continent itself. It's a lid.
A massive ice sheet covers 98% of Antarctica with an average thickness of around 2 km and in some places plunging nearly 5 km deep. This single ice sheet holds about 90% of all the ice on Earth and roughly 70% of the planet's fresh water. This makes Antarctica the largest water reserve on the planet.
And yet, it's also the driest continent on Earth. At the South Pole, annual precipitation is just about 15 mm, even lower than the Sahara, where it averages around 25 mm [music] a year.
Nothing about this place behaves the way you would expect. Here, a single day effectively lasts an entire year. At the South Pole, there are about 184 days of continuous sunlight, followed by roughly 184 days of complete darkness.
Temperatures can drop to -89° C, the coldest ever recorded on Earth.
Beneath Antarctica's ice, entire networks of rivers are flowing. These flows eventually connect in vast sealed reservoirs, subglacial lakes. Over the past few decades alone, scientists have identified more than 675 of them.
Some are small, others are the size of entire cities, and many have been completely isolated for millions of years.
Take Lake Vosto, buried nearly 4 km beneath the ice, it's one of the largest lakes on Earth, the sixth by volume. And it hasn't had contact with the outside world for around 15 million years. A body of water sealed off since before humans existed.
Which raises an obvious question. Why isn't it frozen solid?
The answer is pure physics. Extreme pressure up to 350 atmospheres lowers the freezing point of water. Heat rises from deep within the Earth and the ice above acts like a massive insulating layer. Together, they allow water to remain liquid even at temperatures around -3° C and in some cases far lower.
The lake has become one of the most closely studied features beneath the Antarctic ice.
Drilling toward Lake Vosto began in the 1970s as part of the Soviet Antarctic program, but progress was painfully slow. Engineers had to cut through 3,769 m of solid ice in one of the [music] most hostile environments on Earth. The equipment repeatedly failed during the process. Every meter required precision. Because of one mistake, could contaminate a lake that had been sealed for 15 million years. So they stopped, adjusted, redesigned the entire approach over and over again. The project took more than 40 years.
The first direct physical evidence from a world that had been sealed for millions of years. But what did they actually find?
Samples taken from depths between 3,563 and 3,621 m effectively represented a frozen snapshot of the lake itself. Their analysis revealed thousands of genetic sequences from bacteria to more complex organisms along with signs of active metabolic processes. This suggests that even in total darkness under immense pressure and extreme cold, a complex and potentially stable ecosystem can exist, one of the most isolated on Earth.
However, scientists emphasize that these results should be interpreted with caution. Contamination cannot be fully ruled out and some of the detected sequences may originate from the laboratory.
Whales are the largest animals on Earth. These giants don't just depend on the ocean. They depend on something that contains iron in very limited amounts and a significant portion of that input is derived [music] from Antarctic sources.
When subglacial waters escapes and [music] reaches the southern ocean, it carries those nutrients with it and that changes everything.
In the Southern Ocean, life is often limited not by sunlight or carbon, but iron. It's one of the rarest elements in these waters and yet controls what can grow here.
When iron enters the ocean, it triggers the growth of phytolanton, microscopic organisms that form the foundation of the marine food web. Given the right conditions, these tiny cells multiply into vast blooms, turning entire regions of the ocean into highly productive ecosystems. [music]
Phytolanton produce around 50% of the oxygen on Earth. Roughly every [music] second breath we take comes from the ocean.
But that's not all. That productivity feeds the next level. Krill consume phytolanton [music] in enormous volumes forming dense mobile populations that dominate the southern ocean.
And from there the system scales even further. Blue whales are among the largest animals to have ever lived on Earth. Creatures [music] the size of jets sustained almost entirely by krill.
Which means these [music] giants at the top of the system depend on something that begins deep beneath [music] the ice.
And then we broke it. In the 20th century, humans killed an estimated [music] 360,000 whales. The population declined [music] by approximately 97%.
We didn't just hunt animals. We struck the very top of a system we barely even understand.
For a long time, scientists assumed that beneath Antarctica's ice, there was nothing. But in subglacial lakes and sediments, researchers have identified active microbial life. Bacteria that don't rely on sunlight, organisms that metabolize minerals such as iron, sulfur, and carbon must survive in complete darkness. An ecosystem that doesn't need the sun.
And this [music] discovery doesn't just change how we see life on Earth. If life can exist without sunlight beneath Antarctic ice, it may not be unique to Earth.
One of the strongest candidates is Europa, a moon of Jupiter. Beneath its frozen surface lies a vast global ocean hidden under tens of kilome of ice. The same principles that allow microbes to survive beneath Antarctica could apply there as well.
Other scientific discoveries are beginning to reveal how the ice sheet itself was formed. Studies of Antarctic octopus populations show that individuals from regions now separated by vast ice sheets once shared the same gene pool. The only way this could have happened is if those ice barriers [music] temporarily disappeared.
Antarctica has already undergone major melting. Around 125,000 years ago, during a warmer interglacial period, parts of the Antarctic ice sheet may have collapsed enough to open ocean pathways, connecting seas that are now completely isolated.
And there are hints that Antarctica hasn't always been what it is today. Fossil evidence tells a very different story. Dinosaur remains have been found. Ancient plant life such as fossilized ferns. This continent was once green. Forests, rivers, a temperate climate.
At first glance, the continent appears completely frozen. But beneath the surface, there's far more heat than it seems.
Beneath [music] the ice, researchers have identified over 100 volcanoes, most of them completely hidden. This makes West Antarctica one of the largest volcanic regions on Earth.
And in the middle of this frozen world, there's one volcano that never sleeps. Mount Arabus. Rising nearly 3,800 m above sea level. It's the southernmost active volcano on the planet and the only one in Antarctica that actually breaks through the ice and [music] reaches the surface.
Inside its crater is a permanent lava lake, one of only a few on Earth. Each day, this volcano releases microscopic particles of gold along with its gases, amounting to roughly $6,000 worth daily.
Most people assume Antarctica is melting from the top because that's what we see. Rising air temperatures, collapsing ice shelves, surface melt. But that's only part of the story.
Antarctica is also actively melting from below. Beneath kilometers of ice, the continent sits on a geologically active foundation, including rift systems and volcanic heat sources. This heat doesn't erupt dramatically like a surface volcano. Instead, it slowly transfers upward, warming the base of the ice sheet. At the same time, relatively warm ocean currents circulate beneath floating ice shelves, further accelerating the process.
And when ice melts from below, it becomes far less stable. This means entire sections can weaken, fracture, and collapse, often without obvious warning from the surface.
A clear example came between 2016 and 2017 on the Larsen Sea ice shelf. A massive crack formed, stretching over 200 km, several kilome wide, and hundreds of meters deep. From above, it looked like the continent itself was splitting apart. Then in July 2017, it finally gave way. A 5,800 km iceberg A68 broke free. It was one of the largest ever recorded.
Despite its isolation, Antarctica may represent one of the largest untapped resource regions [music] on the planet. According to some theoretical estimates based on seismic data, Antarctica may contain up to 511 billion barrels of oil, potentially more than Saudi Arabia.
And that's not speculation pulled out of nowhere. We already know what's here because in the few exposed regions of the continent, scientists have found real confirmed deposits: iron, copper, silver, even kimberly is the geological signature associated with diamonds.
So the question becomes, what's hidden beneath the parts we cannot see? To answer that, scientists look back in time because Antarctica wasn't always isolated.
Hundreds of millions of years ago, it was part of the superc continent Gondwana, connected to what is now Australia. And Australia today is one of the most resourcerich regions on the planet: Gold, uranium, rare earth elements. The geological structures that carry those resources once extended into Antarctica.
This provides a basis to believe that similar mineral systems may exist there, simply hidden beneath the ice.
The [music] Antarctic Treaty signed in 1959 established the continent as a zone of scientific [music] cooperation, banning military activity, ensuring freedom of research, and effectively freezing territorial claims. And in 1991, the Madrid Protocol went further, declaring the continent a natural reserve, protecting it from resource extraction.
But here's the catch. That protection isn't permanent. In 2048, countries will have the option to initiate a review of the Madrid protocol, including its ban on resource extraction.
In 2024, China opened its [music] fifth research station in Antarctica on inexpressable island, bringing it to par with the United States in terms of total bases. But this was only part of a broader strategy. At the same time, China is expanding its presence into some of the most remote regions of the continent, including the area around Kland Station, gradually increasing its operational footprint and influence. [music]
Formally, Antarctica belongs to no one. But in practice, control comes down to logistics. The countries that can build, supply, and maintain bases in the most remote locations are the ones [music] that establish a lasting presence. And over time, that presence translates [music] into influence.
China is already one of the most active players in this space. Russia, for its part, also operates five permanent stations. Since 2017, the two countries have operated under a cooperation memorandum that coordinates logistics and frequently opposes the expansion of marine protected areas. Over the past 6 years, they've constantly blocked votes to expand these zones.
From a strategic standpoint, this approach helps preserve flexibility for future resource access. Antarctica remains one of the last regions where resources have not yet been divided.
Alongside these discoveries beneath kilometers of ice, a new potential point of geopolitical tension is emerging. And major global players are already positioning themselves for what comes next.