Evolution: pre-planning (Introduction)
by David Turell 
, Saturday, October 08, 2011, 17:25 (4795 days ago)
Are we really descended from lung fish? An Australian study says perhaps:- http://www.sciencedaily.com/releases/2011/10/111004180106.htm-Note the hind 'leg' pre-preparation.
Evolution: pre-planning; human speech
by David Turell , Tuesday, November 15, 2011, 22:00 (4757 days ago) @ David Turell
There is a chatter-box gene, that may predate humans:
http://discovermagazine.com/2011/oct/08-the-brain-language-fossils-buried-in-your-cells