What sparks deeper learning is not always neatly predictable. Sometimes instructors must move “off-script” to harness serendipitous moments of discovery. This requires flexibility, quick decision-making, and deft plan-tweaking. In this video, Dan Levy uncovers his thought process in one such classroom moment and explains his decision to withhold a correct answer from his students. The cliffhanger serves to kindle curiosity among students, many of whom conclude the week energized and eager to deepen their understanding.