Josie Paris and Jamie Stevens talk about their research on the genetics of metal tolerance in trout inhabiting the rivers of Cornwall and Devon:
http://planetearth.nerc.ac.uk/multimedia/story.aspx?id=1769
This podcast is part of the NERC Planet Earth Online series and was recorded and edited by Richard Hollingam. We thank the Westcountry Rivers Trust and the Environment Agency for supporting this research.
