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.

Psychological egg-tooth

WritingPosted by pip Sat, April 28, 2012 06:42:07
Is the reason why religion is so popular, because it has been a psychological egg-tooth for humanity?

Why hasn't the egg-tooth fallen off? Is it because, like fire, you have to experience it personally?

If so, what a calamity for humanity, that we have to carry the weight of religion with us.