I see Discover has a report on Bart de Boer's work on vocal tracts in australopithecus. It would be surprising to learn that "Lucy" sounded like something other than a female ape, but it needs to be checked out. de Boer is the number one authority on vocal tract development.



Your blog is one of my favourites and so I have mentioned it for a Versatile Blogger Award here
http://charbonniers.org/2012/08/30
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BLOGGER: Thanks, Janet
Posted by: JanetK | August 30, 2012 at 04:17 AM
Your blog is one of my favourites and so I have mentioned it for a Versatile Blogger Award here
http://charbonniers.org/2012/08/30
Posted by: JanetK | August 30, 2012 at 04:17 AM