Today's episode - how cancers become resistant to chemotherapies, the threat posed by a new strain of flu in China, and a look inside the intestine at its bacterial inhabitants.
Available Podcasts from 5 Live Science Podcast
Subscribe to 5 Live Science Podcast
We are not the BBC, we only list available podcasts. To find out more about the programme including episodes available on BBC iPlayer, go to the 5 Live Science Podcast webpage.