Our world is rife with misinformation. This is a course about "calling b***s*** on" - spotting, dissecting, and publicly refuting - false claims and inferences based on quantitative, statistical, and computational analysis of data. Spotting misinformation; causal fallacies; statistical traps; data visualization; big data; interpreting scientific claims; fake news and social media; refutation techniques. Prior math/stat background unnecessary. Course overlaps with: INFO 270.