Monday, April 14, 2014

The dark and dangerous world of extreme cavers.

To find something truly new on the planet, something no human had ever seen, .... years at the National Institute of Standards and Technology, in Gaithersburg, ...

Article provided by wincreator.com
Source: http://www.newyorker.com/reporting/2014/04/21/140421fa_fact_bilger%3FcurrentPage%3Dall

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