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An ancient relative of the modern dolphin, "Echo Hunter" could hear frequencies well above the range of hearing in humans. Its super power was aided in part by the unique shape of its inner ear features, which has given scientists new clues about the evolution of this specialized sense. The research pushes the origin of high frequency hearing in whales back in time-approximately 10-million years earlier than previous studies have indicated. [Source: NYIT (New York Institute of Technology)]
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