Imagine it's 1 o'clock. Would you rather wait for 30 minutes or until 1:30? They're the same, but research suggests that people tend to feel that 30 minutes will take longer. What does that tell us about how our brains think about time? Chicago Booth's Kristin Donnelly talks about her research on time-duration asymmetry. Why is it that we think differently about waiting times depending on how they're presented?