News tagged with extreme environments

Oxygen 'sensor' may shut down DNA transcription

( -- A key component found in an ancient anaerobic microorganism may serve as a sensor to detect potentially fatal oxygen, a University of Arkansas researcher and his colleagues have found. This helps researchers ...

dateJun 19, 2012 in Biochemistry
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Carbon-consuming life-forms in Antarctica

Lake Bonney in Antarctica is perennially covered in ice. It is exposed to severe environmental stresses, including minimal nutrients, low temperatures, extreme shade, and, during the winter, 24-hour darkness. But, for the ...

dateApr 23, 2012 in Cell & Microbiology
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Laboratory astrophysics

( -- The term "laboratory astrophysics" might sound like an oxymoron; after all, how can equipment in a small room possibly simulate cosmic effects seen in the vastness of space. But in fact, much of modern astrophysics ...

dateApr 02, 2012 in Astronomy
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