Could a Less Complex Larynx Have Enabled Speech in Humans? :

A paper argues that the evolutionary loss of a thin vocal membrane in the larynx may have facilitated oral communication.  

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Japan , Kyoto , Asif Ghazanfar , Takeshi Nishimura , Kristina Simonyan , Kyoto University , Princeton Neuroscience Institute , Japan Monkey Centre , Harvard Medical School , Can Make Sounds Found ,