This episode is a follow-up to The Sound Barrier series, which explores our brain's relationship to sound. In our third episode of the series, we asked listeners to try to experience silence and record what they heard. Today, we share the sounds of quiet from across the world in a tribute to John Cage’s 4’33”. Plus, Tinnitus researcher and Unexplainable guest Dan Polley answers your questions from the series.

Guest: Dan Polley, tinnitus researcher at Mass Eye and Ear.

Thank you to everyone who wrote in and shared their silences. If you still have thoughts or questions about the series, write us!

We also heard from a few teachers who plan to use the series as a part of their curriculum. Is this you? Let us know!

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Tending the Inner Vineyard