![The Economist: Babbage show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/034/980/small/the-economist-babbage.jpg)
Summary: Concerns abound about the impact of artificial intelligence, but could history suggest a brighter future? A new algorithm is designed to hunt down hateful videos on the Internet. And we hear from two scientists, Mauro Costa-Mattioli and Shelly Buffington, whose new study links obesity to autism. Hosted by Kenneth Cukier