How fish hear and make sounds at same time

Cornell University researchers have learned how a common fish found along the West Coast can hum and hear outside sounds at the same time.

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<p><a href="http://www.physorg.com/news4921.html">How fish hear and make sounds at same time</a></p> <p> Cornell University researchers have learned how a common fish found along the West Coast can hum and hear outside sounds at the same time.</p>