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The first ecological study of an entire glacier has found that microbes drastically reduce surface reflectivity and therefore have an impact on the amount of sunlight that is reflected into space. The research will help improve climate change models that have previously neglected the role of microbes in darkening the Earth's surface. Observing how life thrives at extreme cold temperatures also has important implications for the search for life on distant worlds, such as Jupiter's icy moon Europa. [Source: University of Leeds]
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