The Antarctic blue whale is the biggest animal that has ever lived. In the 20th century, humans harvested 99 per cent of them. 

In this episode we welcome Matthew Savoca and Conor Ryan. Matt is interested in how animals might teach us about human impacts on the environment, and how we might reverse those impacts. Conor is a cetacean expert and photographer who describes the Southern Ocean as "the oceanic heartbeat of the planet". Both are hugely knowledgeable about how the Southern Ocean ecosystem works. 

If you ever wondered how many blue and fin whales there are now, how many were lost to whaling, and how that impacts us, listen on! 

This is a fascinating conversation with two young and engaging scientists.

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