"Mayan Calendar Spurs End-Of-The-World Debate," All Things Considered, NPR, July 29, 2009.

  "Ancient Mayan Mural Found In Guatemala," Talk Of The Nation, December 14, 2005.

  "Interview: Uncovering A Mayan Massacre," Day To Day, NPR, November 17, 2005.

"Archeologists Locate Source Of Mayan Relics," All Things Considered, NPR, September 28, 2005.