Reader RFJ mentioned an awesome piece over at Instructables: Hidden Door Bookshelf. [1]
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Frequent content contributor Damon S. suggested two articles on do-it-yourself hydroelectric power: Homestead Hydropower [2] and Home-Made Water Power for the Homesteader [3].
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Kelly D. was the first of several SurvivalBlog readers to mention this: Two days of food stretched more than two weeks in mine; Determined to stay alive, trapped Chilean miners made two days of food last more than two weeks [4]. These guys have displayed tremendous courage and discipline. May God see them safely home!
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Why the world is running out of helium? [5] (Thanks to G.&T. for the link.)