Orangutan's spontaneous whistling opens new chapter in study of evolution of speech

Throughout history, human beings have used the whistle for everything from hailing a cab to carrying a tune. Now, an orangutan's spontaneous whistling is providing scientists at Great Ape Trust of Iowa new insights into the evolution of speech and learning.

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<p><a href="http://www.physorg.com/news148226438.html">Orangutan's spontaneous whistling opens new chapter in study of evolution of speech</a></p> <p>Throughout history, human beings have used the whistle for everything from hailing a cab to carrying a tune. Now, an orangutan's spontaneous whistling is providing scientists at Great Ape Trust of Iowa new insights into the evolution of speech and learning. </p>