Today on The Gist, something we’re good at when it comes to fighting infectious disease. Mathematical modeler Nina Fefferman of Rutgers University explains how a mathematical model called R0 can predict the spread of Ebola. Then, in our regular segment Is This Bulls---, Maria Konnikova of the New Yorker discusses why some priming research has gone too far. For the Spiel, a Pew Research study reveals a huge knowledge gap when it comes to the economy.

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