Dr Chris Smith and the Naked Scientist team present the latest science news, analysis and breakthroughs, In this week's episode... what’s on the agenda for the COP28 climate summit? What do we know about the new strain of swine flu found in North Yorkshire? Samples from the Bennu asteroid arrive in the UK, we talk to the scientist who just got her hands on some. As technology advances, how can we all save time and money by having a digital twin?Get the podcast from the BBC Sounds app.