Imagine. You spend your formative high school years with your nose in a weighty textbook, at the same time avoiding parties and dating. Then, clutching a 4.0 GPA, you head to a top-tier university to ...

You and I see a cute picture of a dog. But Google’s neural network sees guacamole. The trickery behind this new way to fool AI is a bigger deal than you might think. Over the last few years, ...