Would happen if you could disappear fear? A group of scientists believe that we no longer need fear — at least not the kind we live with — to navigate the modern world. We will examine that claim, and reveal the striking (and rare) case of a woman with no fear. The second half of the show explores how the rest of us might "turn off" fear.
Learn more or listen again to this week's episode.
Image: Daniel Horowitz for NPR