.@JohnClarkLevin reveals the one ability that turned AI into a mathematician, breaking a hard problem into pieces and solving them one at a time: "The real unlock for math breakthroughs that most people don't appreciate came more than four years ago, and the payoff wasn't evident immediately, but that breakthrough was chain of thought. It was first cracked open by PaLM, which was Gemini's grandfather." "PaLM was never even released to the public, but it solved a problem AI researchers had…