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Collection of interesting natural things

I took the picture above to see if I could get a good shot of the ocelli - three secondary eyes between the big ones. They are just about visible. Why spanning tree? It's a routing term, from each user's perspective the network looks like a spanning tree - with no loops and only one route to any place. Every user's spanning tree is unique.

Mason bee

Science Posted on Sun, May 13, 2012 12:25:25

Can clearly see the 3 ocelli on this little bee.


Diary Posted on Sun, May 13, 2012 12:21:56

On the bird table…