owl / math owl
October 9, 2012
<a href="http://www.flickr.com/photos/thenobot/8069279656/" title="owl / math owl by thenobot, on Flickr"><img src="https://farm9.staticflickr.com/8455/8069279656_4681aeca0a_z.jpg" width="622" height="640" alt="owl / math owl"></a>