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If intelligent aliens exist somewhere in the depths of space, then should we see signs of their technology? This question has motivated scientists involved in the search for extraterrestrial intelligence (SETI) to hunt for evidence of tell-tale signs of alien civilizations. But space is enormous, and any real effort to…

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For several decades scientists have been interested in the ability of psychrophilic (cold- loving) microbial communities to degrade the various components of crude oil, which is a process known as bioremediation. Because temperature has a direct impact on enzyme activity there is a concern that, at very low…