Recently, a group of researchers have been playing sounds of healthy coral reefs to attract young fish to degraded reefs in the northern Great Barrier Reef. We speak to coral reef ecologist Mr. Affendi Yang Amri to find out if sounds can heal at all. 

<p>Recently, a group of researchers have been playing sounds of healthy coral reefs to attract young fish to degraded reefs in the northern Great Barrier Reef. We speak to coral reef ecologist Mr. Affendi Yang Amri to find out if sounds can heal at all.&nbsp;</p>

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