Post-It notes, highlighting, underlining. Sam Anderson’s New York Times Magazine article, “What I Really Want Is Someone Rolling Around in the Text,” launches a study of “marginalia,” or writing thoughts in the margins of a text. After...

Where do humans fall on the food chain? Scholars read about the Industrial Food Chain in The Omnivore’s Dilemma sections. They use word catchers to record unfamiliar words as they read and place sticky notes in the margins to annotate...