Sometimes when I google search, I can occasionally jump into some blogs maintained by PhD students. Some of them talk about the frustration with experiments, some talk about current issues, and many other stuff.

I think it's a good way to get through all the stress associated with PhD......don't you think so?

Yeah, I have a blog

www.explosivelearning.com

I've been keeping it since I started my PhD in 2005 (although 'lost' several months of posts when I had to switch servers - happily only online and will get those posts back online eventually). I think blogs are useful if you like writing. I use mine as a 'thinking' post and it's a good way to track your up and down moods and to learn not to take yourself so seriously. *grin* I also like Profgrrrl's blog (www.profgrrrrl.com) - she's a professor in complexity studies in the US and I enjoy her take on the 'other's side of academic life.