Ex-OpenAI science head @kevinweil explains why AI is making breakthroughs in math and coding but still struggles to discover new medicines: "We now live in a world where it doesn’t matter whether you learned how to program, you can turn any idea you have into an actual working product in a few minutes." "You got models solving Navier-Stokes and making progress on the Riemann hypothesis. But I think the biggest impact that AI will have for the world will be in sciences." "These fields of…