leroy chiao, thank you forjoining _ change. leroy chiao, thank you forjoining us— change.u forjoining us today, a former. forjoining us today, a former nasa astronautjoining us from houston, in texas. headteachers at some of the uk's top schools say they're bewildered by the fast rate of change in artificial intelligence and are seeking guidance on how to best respond to the technology. in a letter to the times newspaper, they have announced a body of experts to advise schools — so they can capitalise on al's benefits while minimising its risks. our technology editor, zoe kleinman reports. just six months ago, the ai chatbot chatgpt was released to the public and since then, it's been used hundreds of millions of times. it can give human—like written answers to questions and draws on a huge portion of the internet as a giant database of information — even though not all of it is accurate. it didn't take long for students to figure out that it could be good at homework and coursework. the latest version, gpt—ii is said to be able to pass the bar exam taken by trainee lawyer