The Skeptics Guide to the Universe by Steven Novella is one of the best books on critical thinking and skepticism since Carl Sagan’s The Demon-Haunted World. Although you would hope, in the 21st century, that it shouldn’t have to be explained why treating eczema with turmeric infusions is a bad idea, gullibility for pseudoscience is a recurring feature of human psychology and in need of constant debunking.
The running theme throughout the book is the concept of fallibilism, and how we are all wired to engage in biased and logical fallacious thinking (even self-proclaimed skeptics or critical thinkers). As the authors constantly remind us, this is a tendency we all have to perpetually work to overcome, and that no one is immune to bias simply because they identify as a skeptic.
With that in mind, here are five concepts/tools to become a better critical thinker.