The Download: Google's AI Overviews nightmare, and improving search and rescue drones

When Google announced it was rolling out its artificial intelligence-powered search feature earlier this month, the company promised that "Google will do the googling for you."The Unfortunately, AI systems are inherently unreliable. And within days of AI Overviews being released in the US, users quickly shared examples of the feature suggesting that its users add glue to pizza, eat at least one small rock a day, and that former US president Andrew Johnson earned university degrees between 1947 and 2012, despite dying in 1875. Yesterday, Liz Reid, head of Google Search, announced that the company has been making technical improvements to the system. But why is AI Overviews returning unreliable, potentially dangerous information in the first place?