2003-02-24 04:00:00 PDT Denver-- In rumbling tones far lower than the sounds that human ears can hear, a symphony of mysterious noises constantly assails the entire globe, and scientists are learning ...
Whales show surprisingly vast differences in hearing ability. Baleen whales tune into infrasonic sounds to communicate over long distances. Toothed whales do just the opposite, relying on ultrasonic ...
The soundtrack to a wild rhinoceros’s life is wind passing through the savannah grass, birds chirping and distant animals moving across the plains. But a rhinoceros in a zoo listens to children ...
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