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MULTIMEDIA: POLAR-PALOOZA

Life in the Cold and Deepening Dark

Sep 24, 2008 | Run Time: 04:58

Join John Priscu and team as - for the first time ever - American researchers stay out in the field for an extended research season in the McMurdo Dry Valleys, as the Antarctic summer of 24/7 days begins to turn into 24/7 night. John and colleagues explain why these valleys and their microbial ecosystem are so unique, and why it's worth the risk and discomfort to stay on so late, sampling lakes in temperatures more than 40 degrees below. This video shows some of the amazing Dry Valley landscapes in rare low-light conditions.

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