The development of artificial intelligence has begun to feel inevitable and promising. But University of Chicago computer scientist, Ben Zhao, has spent much of his career testing how the security of these systems can break down. Zhao’s study involving Yelp reviews generated by A.I. show how these system could be used to distort our perceptions of reality, especially in this era of fake news. And his latest investigation into “backdoors” demonstrates how they could be used to hack crucial systems in dangerous and even deadly ways. Music used in this episode: BurrowBurrow, Lumber Down, House of Grendel, Tralaga, and Cicle DR Valga by Blue Dot Sessions Subscribe to Big Brains on Apple Podcasts, Stitcher and Spotify.