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Article: Tuning in: scientist Bruce Miller listens to bats as they use shrieks and chirps to find food.(physical science)
- Article from:
- SuperScience
- Article date:
- October 1, 2004
- Author:
CopyrightCOPYRIGHT 2004 Scholastic, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Each night, hoards of bats swoop through the jungles of Belize, many letting out shrieks and chirps as they fly. Although other bats can hear these sounds, most of the calls are too high-pitched for humans to hear. But zoologist (zoo-OL-uh-jist) Bruce Miller has found a way around that.
He uses an AnaBat--a machine that can pick up bat sounds and turn them into beeps and clicks that humans can hear. Miller can also record these sounds with the AnaBat. He often studies the recorded voices and tries to decode the meaning behind them.
Sound Science
But before scientists like Miller can understand bat language, they must first understand sound. ...