There are more good science blogs out there than you can shake a stick at, but here are a few of my favorites:
Cosmic Variance, random samplings from a universe of ideas.
Yes, these are different blogs. Scienceblogs.com is a list of great blogs on science. Check out these particular blogs:
and Stranger Fruit
Here are some more great science blogs!
Savage Minds, an anthropology blog.
ABC News, a blog on science policy.
Prometheus, a blog on science policy from the Center for Science and Technology Policy Research.
Real Climate, real climate from real climate scientists.
Crooked Timber, for a blog on the environment.
and Pandas Thumb, for discussion on evolution and attacks on it.
I'll be referring to these blogs regularly in HUNBlog and SciNewsBlog, but you should check them out yourself. The science blogosphere is vibrant and growing!