“Science is formalized reality testing.” —The Skeptics’ Guide to the Universe
The Skeptics’ Guide to the Universe, the first book written by the hosts of the venerable skeptical podcast of the same name (abbreviated as SGU), is organized into five sections. The first is “Core Concepts Every Skeptic Should Know,” which begins with a discussion of the meaning of scientific skepticism itself. This introduction will be especially helpful to readers unfamiliar with this concept. “Core Concepts” is a large topic, covering almost half the book, and thus it is divided into subsections that each have a number of chapters. The subsections are: