Interesting editorial on Nature. Nature 457, 1058 (26 February 2009) | doi:10.1038/4571058a; Published online 25 February 2009.

“There are societal debates that have much to gain from the uncensored voices of researchers.”

Why should researchers blog? See: “Why Do We Blog and Other Important Questions, Answered by 34 Science Bloggers.” This post summarizes responses from researchers who blog and their experiences.