Midshipman Hum (audio) Cell Press Share Print E-Mail Loading audio... Caption This is the sound of a midshipman hum. Credit Margaret Marchaterre and Andrew Bass, Cornell University Usage Restrictions Credit Required. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.