Plunge into the ocean off the west coast of Ireland...and then keep plunging, down to where there's no light and the temperature is just above freezing. That's where underwater chemist Sam Afoullouss sends a deep sea robot to carefully collect samples of marine organisms. The goal? To search for unique chemistry that may one day inspire a medicine.

Sam talks giant sponges, dumbo octopuses and bubblegum coral with host Emily Kwong – how to use them as a source for drug discovery while also protecting their wild, intricate ecosystems.

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