Jul. 27th, 2014 at 9:53 AM

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DNA clouds, spotted above Moscow on Dec 24,2012 (believed to be the result of a plane doing a spin)
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Image by Jack Hughs: http://bit.ly/10GHLRD
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Seriously. If you have a pizza with radius "z" and thickness "a", its volume is Pi(z*z)a.
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