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Can Elephants Be Protected by Eavesdropping on Their Underground Messages?

Elephants transmit secret messages at least partly through the ground. When an elephant really lets loose, its infrasound can reverberate almost four miles through the rocks and sands of the savanna.  Now, scientists think eavesdropping on such vibrations might one day be used to protect elephants from poachers. Reach more...
 
 

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