As of today, more than 300 large bodies of water have been identified under the continent of Antarctica. They do not freeze because of geothermal heat and pressure or simply put – the warmth of Earth’s core. The lakes are a part of vast hydro-logical network under the thick ice sheet. It is known that some of the lakes are interconnected and exchange water. But some are thought to be completely isolated, which means that the water had to be in one place for thousands of years. Scientists believe that these isolated lakes might be home to microorganisms that are yet to be discovered by the modern science.