BIOLOGY
'(<a href="http://www.j-archive.com/media/2006-01-18_DJ_19.jpg" target="_blank">Jon of the Clue Crew delivers the clue from the Primate Center at Duke University.</a>)  Researchers here at Duke believe that when one lemur of this species meets another, it looks first at the <a href="http://www.j-archive.com/media/2006-01-18_DJ_19a.jpg" target="_blank">distinctive feature</a> it's named for'
the ring-tail