Highly restrictive policies introduced after launch of ChatGPT being eased in favour of more nuanced responses, finds study of thousands of course materials
Trump security crackdown risks undermining US collaboration, with China now said to be more concerned with protecting its own research than prying into others
US-based researchers have dominated the Nobel prizes, but more than one-third of them were born abroad, drawn by the US’ world-leading research ecosystem. But many Nobel laureates fear that Donald Trump’s assault on that ecosystem will choke off the flow of future prizes. Jack Grove reports