From WMOT News A Chemical Eye on Frankincense and Myrrh WMOT Published December 23, 2005 at 8:52 AM CST Facebook Twitter LinkedIn Email By Preston MacDougall, Ph.D.http://stream.publicbroadcasting.net/production/mp3/wmot/local-wmot-493798.mp3Murfreesboro, TN – Dr. MacDougall teaches chemistry in MTSU's Honors College.