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Current Event December 23, 2015

Sound You Can't Hear

Elephants roar and stomp and make loud sounds. They also make other sounds too low for humans to hear. Researchers are studying the secret signals of elephants by living among them in Africa. The audible calls are just a fraction of the elephants’ conversation. They have a longer ear canal, bigger eardrums and can hear much lower frequencies than people can. Researchers have matched the rumbling sounds with specific behaviors, such as looking for a baby elephant or greeting each other. Listen to hear more about the hidden language of elephants.

Elementary Animals Sound

Story Length: 7:18

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National Public Radio

AIR DATE: 08/20/2015

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