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Current Event December 21, 2015

How Sound Works


Our brains are finely tuned to use sound to interpret what goes on around us. We are surrounded by sounds telling us something. People can hear 20-100 times faster than they see, and animals use sound to function as well as talk to each other. Hearing sounds is critical to safety and survival. Listen to hear about the many places, including space, where sounds can be found, and how listening is a tool for understanding the world.

Elementary Sound

Story Length: 7:18

Listen to the Story:

SOURCE:

National Public Radio © 2015 National Public Radio, Inc. Used with the permission of NPR. All rights reserved.

AIR DATE: 09/10/2015


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