Pt. 1. On memory and history. Battles and bigwigs ; Deviations and wonders ; Fish or weapon?

Pt. 2. On reason and science. Links in the chain of being ; Letters in plain sight ; Sin vs. virtue ; Modus mundi ; Ugly bags of mostly water : zoology, physiology, medicine ; The wild blue yonder and what's below

Pt. 3. On imagination, poetry, and art. Perfect circles ; Rhapsodies in bloom ; Love songs and lost words.