Digging for life in the deadest desert CNN

Life is hard. For some, it’s almost impossible. Specialized microorganisms called extremophiles thrive in nuclear waste, volcanic vents, boiling geothermal geysers and even deep inside rocks. Their unique biology allows them to feast on chemicals and radiation that would kill most organisms. But there is a place on Earth so hostile to life that even extremophiles perish: Chile’s Atacama Desert.