Dr Chris Smith and the Naked Scientist team present the latest science news, analysis and breakthroughs.

In this week's episode, the drug Anastrozole can prevent thousands of cases of breast cancer among older women, but at what cost? Climate change expert Mark Maslin on what we need to know about the forthcoming COP 28 summit that’s going to kick off soon in Dubai. How the UK’s hedgehogs have been going through something of a rough patch recently. Plus we’ll take a look at what the James Webb space telescope has been teaching us.

Get the podcast from the BBC Sounds app.