PhD student Derek Dapp, and his supervisor Associate Professor Richard Reina talk about their research into different shark breathing modes, and how they may affect survival after accidental capture. And some updates on that amazing and ambitious project to clean up plastics in the Pacific gyre, some sobering observations and short term predictions about seabirds ingesting plastic and reports of arrests of Ric O'Barry in Japan and the good people of Sea Shepherd in the Faroe Islands.