Blogrolling for today

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I've sign into yet another sciency LinkedIn type site. This time it's Epernicus. I've had a good look at the site, it's about on par with SciLink with some exceptions.
I have a favour to ask of all of you. Go and fill in SciLink's Tree of Science (you'll have to sign up to SciLink first). Why?
There is Nature Network, there is Jeff's Bench, there is Facebook Scibook, Knowble.com is dead, and peop
I've been receiving requests from the newest networking program. I've given up fighting and just joined in.