Evolution: How old is the primate line? (Introduction)
by David Turell 
, Saturday, April 14, 2012, 15:34 (5099 days ago)
Evolution: Study the tree
by David Turell , Thursday, May 24, 2012, 15:28 (5059 days ago) @ David Turell
Where do turtles fit in the tree of life. Using DNA perhaps with the birds!-http://www.sciencedaily.com/releases/2012/05/120523200301.htm