Welcome to episode 131 of AI Brief! as we dive into the latest advancements shaping the world of artificial intelligence. This episode, we're tracking the intense super app race between Sam Altman's Worldcoin project and Elon Musk's X platform, both aiming to integrate finance, social, and AI services. We'll also explore Apple's move to enhance developer tools by testing an AI coding tool with Anthropic for Xcode, powered by Claude Sonnet. Plus, get the details on Google's enhanced AMIE AI doctor, which now uses visual analysis to interpret medical images, improving healthcare diagnostics. Stay tuned for fascinating news on a potential Planet Nine at the edge of our solar system, the latest in nuclear fusion progress at ITER, a breakthrough in turning raindrops into clean energy, and a potential math history rewrite. Finally, we'll highlight some of today's trending AI tools to boost your productivity and workflows.