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Feathers
Submitted by rkrampf on Thu, 09/17/2009 - 13:14
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For such simple things, feathers have an amazing amount of science built in.
hi
i could not watch the viedeo because it said it was for members only and i am a member but my freinds said this video was cool
Try again. I found the
Try again. I found the problem and corrected it.
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