These science and medicine blogs offer both excellent sources of information and examples of the best practices in blogging. Chapter 15 of Explaining Research covers how to launch and manage an effective blog.

• Dot Earth, The New York Times, by Andrew Revkin
• Nature Network Blogs
• The Observatory blog on science journalism
  
• Open Directory Project list of science blogs
  
• Science & the Public, Science News, by Janet Raloff
  
• Science Blogs, a network of blogs created by Seed Media Group
• The Scientist Community
  
• 60-Second Science, Scientific American
• Small Things Considered, American Society of Microbiology
  
• Tierney Lab,The New York Times, by John Tierney
• Well, The New York Times, by Tara Parker-Pope