According to scientific estimates, Lake Vostok in Antarctica is home to the oldest and purest water on Earth. It is a mass that has been sealed for millions of years by ice and that constitutes a kind of thermostat isolated from the rest of the atmosphere.
At the moment, scientists from a Russian expedition are on the frozen continent doing surveys to try to extract a sample of water from the Vostok. The task is not easy, in fact last year researchers were forced to postpone their work due to a sharp drop in temperatures. Although the depth of the lake is unknown, the drilling has already reached more than 3,000 meters deep and it should not be long to reach the water, according to what those responsible for the exploration informed the agency EFE. The radius of the hole traced by the drilling machine is 137 millimeters, so since a human being does not fit inside, these data are obtained using the seismic method and by radiolocation.
Lake Vostok was discovered in 1957 and is the largest freshwater reservoir in the world, as well as being the largest underground lake ever found on the frozen continent. The results of its exploration will be important for the study of climate change on Earth and although there is no direct evidence, it is possible that the Vostok harbors some forms of life such as Extremophilic microorganisms, that is, capable of living in extreme conditions.
