I have been involved in a number of arguments about scientific consensus. The most recent debate has convinced me to write about the topic in depth. The idea of scientific consensus has been popular since reports that 97% of all papers offering a position on climate change assert that climate change is happening. I am not going to address the validity of theories on climate change. But it is important to point out a number of issues with relying on consensus among scientists. First, peer reviewed publishing is dominated by a handful of authors.« Continue »