How does Sagan structure his argument to illustrate his process of skeptical thinking? Select four chapters and dissect his method in each.

Sagan makes the case for a connection between scientific thinking and the health of American democracy. Research three aspects of US democracy in the last decade. How do they support or contradict his argument?

Late in the book, Sagan makes a distinction between "pure" science and results-oriented science. Explain Sagan’s distinction and provide examples of two scientists in the book who represent these different approaches to research.