AI has led to breakthroughs in drug discovery and robotics and is in the process of entirely revolutionizing how we interact with machines and the web. The only problem is we don't know exactly how it works, or why it works so well. We have a fair idea, but the details are too complex to...

This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. Google DeepMind has a new way to look inside an AI's mind" We don't know exactly how AI works, or why it works so well. That's a problem: It could lead us to...