The ocean is loud, and every sound carries clues. Marine biologist Dr. Jesús Alcázar-Treviño explains how toothed whales use echolocation to hunt and coordinate in darkness, how eruptions in the Canary Islands reshape ocean soundscapes, and how human noise pollution disrupts marine communication. An accessible introduction to marine bioacoustics and the many biological, geological, and human sounds moving through the sea.

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Episode Guest: Dr. Jesús Alcázar Treviño

Learn more about Dr. Jesús Alcázar Treviño here

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Hosted, produced, and edited by Clark Marchese 

Cover art by Jomiro Eming

Theme music by Nela Ruiz

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