We've reached the end of Series 3! It's been a series of new discoveries, awe-inspiring moments, tear-jerkers and revelations.

In the final episode of the series, we are telling stories about the senses. We begin by meeting Sy Montgomery, who built a bond with an eight limbed friend through touch. Octopi have the unique ability to taste what they are touching using the suction cups on their tentacles; some are more sensitive than others and it became clear to Sy that a friendship had been born. Hear from legendary composer, Hans Zimmer, as he describes the process of composing for natural history documentaries - such as Seven Worlds, One Planet - and how these thought provoking series differs from his work on iconic, blockbuster movie soundtracks. In this episode we also tell the story of Bernie Krause who is a "soundscape ecologist", responsible for tracking and recording the sounds of our planet which are rapidly vanishing.

Thank you for listening to another series of the BBC Earth Podcast. As ever, we love hearing from you on social media, so do share with us your favourite episode so far or story that tugged your heart strings…

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