Beth Mortimer and Tarje Nissen-Meyer: The enigmatic language of elephants

Elephants communicate using sounds deeper than the human ear can detect. Biologist Beth Mortimer and geophysicist Tarje Nissen-Meyer plan to eavesdrop on their conversations using a noninvasive, real-time and low-cost study method that can also potentially help locals in developing countries fight poaching. Learn how they keep an ear to the ground to help protect the world's most vulnerable societies, precious landscapes and iconic animals.

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