http://blogs.ei.columbia.edu/2012/05/09/drilling-ancient-mud-from-seafloor-no-easy-task/ Tapping experts in climate, geology, oceanography, ecology, sustainable development, global health, energy, food and water, State of the Planet captures stories of how the Earth works and how we can sustainably make our lives better. Fri, 24 May 2013 17:52:04 +0000 hourly 1 http://wordpress.org/?v=3.5.1 http://blogs.ei.columbia.edu/2012/05/09/drilling-ancient-mud-from-seafloor-no-easy-task/comment-page-1/#comment-72560 seamanpelaut Mon, 06 Aug 2012 09:24:26 +0000 http://blogs.ei.columbia.edu/?p=26356#comment-72560 an one of important record for seaman like me, you are right,drilling and become a seaman is not easy task , must have more skill, learn sailing and swimming is a must

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