Dr Claas Kirchhelle from University College Dublin will be giving the Hot Topic Lecture: "Faecal Flows – a very short history of microbiology, sewers, and Britain's rivers (ca.1850-2023)" at this years Annual Conference. Clare spoke to Claas to find out how he's feeling ahead of his lecture and to pick his brain about his intriguing research area. If you're at Annual Conference this year, you can catch Claas' Hot topic Lecture at 8:45 on Thursday 11 April. Alternatively, Claas' lecture will be available online after Annual Conference.Music by Denys Kyshchuk from Pixabay You can download a full transcript of the podcast here.