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The harmonic series, after removing any term with a "9" in it, is convergent. (hippomath.blogspot.com)
62 points by japaget on July 3, 2011 | past | 23 comments
Take any circle: There are two points opposite each other at equal temperatures (hippomath.blogspot.com)
7 points by ColinWright on June 19, 2011 | past | 2 comments

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