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February 28, 2018 07:00 am

Scientists Find Life In 'Mars-Like' Chilean Desert

An anonymous reader writes: In 1938, CBS radio aired Orson Welles' dramatization of H.G. Wells' The War of the Worlds ; the broadcast was livened up by periodic "news bulletins" reporting strange activity on Mars and in New Jersey. There may or may have not been men on Mars at the time, and later opinions also differ on whether the broadcast caused widespread panic across the U.S. Eighty years later, scientists are again claiming to have found evidence on earth of Martian life. Well, not exactly Martian life... Washington State University reports: "For the first time, researchers have seen life rebounding in the world's driest desert, demonstrating that it could also be lurking in the soils of Mars. Led by Washington State University planetary scientist Dirk Schulze-Makuch, an international team studied the driest corner of South America's Atacama Desert, where decades pass without any rain. Scientists have long wondered whether microbes in the soil of this hyperarid environment, the most similar place on Earth to the Martian surface, are permanent residents or merely dying vestiges of life, blown in by the weather. Billions of years ago, Mars had small oceans and lakes where early lifeforms may have thrived. As the planet dried up and grew colder, these organisms could have evolved many of the adaptations lifeforms in the Atacama soil use to survive on Earth, Schulze-Makuch said. 'We know there is water frozen in the Martian soil and recent research strongly suggests nightly snowfalls and other increased moisture events near the surface,' he said. 'If life ever evolved on Mars, our research suggests it could have found a subsurface niche beneath today's severely hyper-arid surface.'" The study has been published in the journal Proceedings of the National Academy of Sciences.

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