If science were a candle in the dark, we’d need only spread its light to combat climate change denial and vaccine conspiracy theories. But what if the problem is more complex than that? What if a quirk of human cognition enables us to remain willingly in the dark, even as we hold the very candle? In this episode of Stuff to Blow Your Mind, Robert and Joe explore the concept of motivated numeracy. (originally published 11/15/2018)