Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
Assessing global mean temperature rise using the average warming over the previous one or two decades will delay formal recognition of when Earth breaches the Paris agreement’s 1.5 °C guard rail. Here is what’s needed to avoid the wait.
Large language models such as that used by ChatGPT could soon become essential tools for diagnosing and treating patients. To protect people’s privacy and safety, medical professionals, not commercial interests, must drive their development and deployment.
Carbon fibres help to create a stable plasma with a uniform temperature. Plus, a soft robotic tentacle inspired by octopuses and materials called perovskites could help solar panels to deliver 20% more power.